1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * Copyright (C) 2004-2015 HUBzero Foundation, LLC |
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4 | * |
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5 | * Author: Leif Delgass <ldelgass@purdue.edu> |
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6 | */ |
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7 | |
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8 | #include <cfloat> |
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9 | #include <cstring> |
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10 | #include <cassert> |
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11 | #include <cmath> |
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12 | #include <cstdlib> |
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13 | #include <cerrno> |
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14 | |
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15 | #include <limits> |
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16 | #include <set> |
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17 | #include <fstream> |
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18 | #include <sstream> |
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19 | |
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20 | #include <sys/types.h> |
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21 | #include <unistd.h> // For getpid() |
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22 | |
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23 | #include <GL/gl.h> |
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24 | |
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25 | #ifdef WANT_TRACE |
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26 | #include <sys/time.h> |
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27 | #endif |
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28 | |
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29 | #include <osgDB/WriteFile> |
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30 | #include <osgDB/FileUtils> |
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31 | #include <osgDB/FileNameUtils> |
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32 | #include <osgGA/StateSetManipulator> |
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33 | #include <osgGA/GUIEventAdapter> |
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34 | #include <osgViewer/ViewerEventHandlers> |
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35 | |
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36 | #include <osgEarth/Version> |
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37 | #include <osgEarth/Registry> |
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38 | #include <osgEarth/FileUtils> |
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39 | #include <osgEarth/Cache> |
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40 | #include <osgEarth/CachePolicy> |
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41 | #include <osgEarthDrivers/cache_filesystem/FileSystemCache> |
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42 | #include <osgEarth/MapNode> |
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43 | #include <osgEarth/TerrainEngineNode> |
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44 | #include <osgEarth/Bounds> |
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45 | #include <osgEarth/Profile> |
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46 | #include <osgEarth/Viewpoint> |
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47 | #include <osgEarth/GeoMath> |
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48 | #include <osgEarth/TerrainLayer> |
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49 | #include <osgEarth/ImageLayer> |
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50 | #include <osgEarth/ElevationLayer> |
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51 | #include <osgEarth/ModelLayer> |
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52 | #include <osgEarth/DateTime> |
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53 | #include <osgEarth/Decluttering> |
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54 | #ifdef USE_RTT_PICKER |
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55 | #include <osgEarthUtil/RTTPicker> |
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56 | #include <osgEarthFeatures/FeatureIndex> |
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57 | #else |
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58 | #include <osgEarth/IntersectionPicker> |
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59 | #endif |
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60 | #include <osgEarthUtil/GraticuleNode> |
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61 | #include <osgEarthFeatures/FeatureModelSource> |
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62 | #include <osgEarthFeatures/Feature> |
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63 | #include <osgEarthSymbology/Color> |
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64 | #include <osgEarthSymbology/Geometry> |
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65 | #include <osgEarthSymbology/Style> |
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66 | #include <osgEarthSymbology/StyleSheet> |
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67 | #include <osgEarthSymbology/IconSymbol> |
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68 | #include <osgEarthSymbology/LineSymbol> |
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69 | |
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70 | #include <osgEarthAnnotation/AnnotationNode> |
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71 | #include <osgEarthAnnotation/FeatureNode> |
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72 | #include <osgEarthAnnotation/PlaceNode> |
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73 | #include <osgEarthAnnotation/HighlightDecoration> |
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74 | #include <osgEarthAnnotation/ScaleDecoration> |
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75 | #include <osgEarthUtil/EarthManipulator> |
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76 | #include <osgEarthUtil/Sky> |
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77 | #include <osgEarthDrivers/sky_simple/SimpleSkyOptions> |
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78 | #include <osgEarthUtil/AutoClipPlaneHandler> |
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79 | #include <osgEarthUtil/MouseCoordsTool> |
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80 | #include <osgEarthUtil/UTMGraticule> |
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81 | #include <osgEarthUtil/MGRSGraticule> |
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82 | #include <osgEarthUtil/GeodeticGraticule> |
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83 | #include <osgEarthUtil/LatLongFormatter> |
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84 | #include <osgEarthUtil/MGRSFormatter> |
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85 | #include <osgEarthUtil/GLSLColorFilter> |
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86 | #include <osgEarthUtil/VerticalScale> |
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87 | #include <osgEarthDrivers/gdal/GDALOptions> |
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88 | #include <osgEarthDrivers/engine_mp/MPTerrainEngineOptions> |
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89 | #ifdef USE_REX |
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90 | #include <osgEarthDrivers/engine_rex/RexTerrainEngineOptions> |
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91 | #endif |
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92 | |
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93 | #include "Renderer.h" |
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94 | #ifdef USE_RTT_PICKER |
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95 | #include "Picker.h" |
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96 | #endif |
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97 | #include "IData.h" |
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98 | #include "ColorMap.h" |
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99 | #if 0 |
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100 | #include "SingleWindow.h" |
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101 | #endif |
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102 | #include "ScaleBar.h" |
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103 | #include "FileUtil.h" |
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104 | #include "Util.h" |
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105 | #include "Icons.h" |
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106 | #include "Trace.h" |
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107 | |
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108 | #define MSECS_ELAPSED(t1, t2) \ |
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109 | ((t1).tv_sec == (t2).tv_sec ? (((t2).tv_usec - (t1).tv_usec)/1.0e+3) : \ |
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110 | (((t2).tv_sec - (t1).tv_sec))*1.0e+3 + (double)((t2).tv_usec - (t1).tv_usec)/1.0e+3) |
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111 | |
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112 | #ifndef CACHE_DIR |
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113 | #define CACHE_DIR "/var/cache/geovis" |
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114 | #endif |
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115 | #define BASE_IMAGE "world.tif" |
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116 | #define PIN_ICON "placemark32.png" |
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117 | |
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118 | using namespace GeoVis; |
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119 | using namespace IData; |
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120 | |
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121 | Renderer::Renderer() : |
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122 | _needsRedraw(false), |
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123 | _windowWidth(500), |
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124 | _windowHeight(500), |
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125 | _pickPending(false), |
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126 | _scaleBarUnits(UNITS_METERS) |
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127 | { |
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128 | TRACE("Enter"); |
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129 | |
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130 | initIconMap(); |
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131 | _bgColor[0] = 0; |
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132 | _bgColor[1] = 0; |
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133 | _bgColor[2] = 0; |
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134 | //setMaximumFrameRateInHertz(15.0); |
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135 | // 100 Mbps |
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136 | setMaximumBitrate(1.0e8); |
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137 | _lastFrameTime = _minFrameTime; |
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138 | TRACE("Bandwidth target: %.2f Mbps", (float)(getMaximumBitrate()/1.0e6)); |
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139 | TRACE("Frame rate target: %.2f Hz", (float)getMaximumFrameRateInHertz()); |
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140 | TRACE("Frame time target: %.2f msec", _minFrameTime * 1000.0f); |
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141 | |
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142 | iDataInit(getenv("USER")); |
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143 | setCacheBaseDirectory(CACHE_DIR); |
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144 | char *base = getenv("MAP_BASE_URI"); |
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145 | if (base != NULL) { |
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146 | _baseURI = base; |
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147 | TRACE("Setting base URI: %s", _baseURI.c_str()); |
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148 | } |
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149 | } |
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150 | |
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151 | osgGA::EventQueue *Renderer::getEventQueue() |
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152 | { |
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153 | if (_viewer.valid()) { |
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154 | osgViewer::ViewerBase::Windows windows; |
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155 | _viewer->getWindows(windows); |
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156 | if (windows.size() > 0) { |
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157 | return windows[0]->getEventQueue(); |
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158 | } |
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159 | } |
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160 | return NULL; |
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161 | } |
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162 | |
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163 | Renderer::~Renderer() |
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164 | { |
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165 | TRACE("Enter"); |
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166 | |
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167 | // Removes temp files |
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168 | deleteColorMap("all"); |
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169 | |
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170 | iDataCleanup(); |
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171 | |
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172 | // Cache is deleted in main() to allow ref-counted objects to |
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173 | // be deleted and threads to exit first |
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174 | |
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175 | TRACE("Leave"); |
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176 | } |
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177 | |
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178 | std::string Renderer::getIconFile(const char *name) const |
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179 | { |
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180 | std::ostringstream oss; |
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181 | oss << _resourcePath << "/" << GeoVis::getIconFile(name); |
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182 | return oss.str(); |
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183 | } |
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184 | |
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185 | std::string Renderer::getBaseImage() const |
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186 | { |
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187 | std::ostringstream oss; |
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188 | oss << _resourcePath << "/" << BASE_IMAGE; |
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189 | return oss.str(); |
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190 | } |
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191 | |
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192 | std::string Renderer::getPinIcon() const |
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193 | { |
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194 | std::ostringstream oss; |
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195 | oss << _resourcePath << "/" << PIN_ICON; |
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196 | return oss.str(); |
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197 | } |
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198 | |
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199 | void Renderer::setupCache() |
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200 | { |
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201 | std::ostringstream dir; |
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202 | dir << _cacheBaseDir << "/geovis_cache" << getpid(); |
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203 | _cacheDir = dir.str(); |
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204 | const char *path = _cacheDir.c_str(); |
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205 | TRACE("Cache dir: %s", path); |
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206 | removeDirectory(path); |
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207 | if (!osgDB::makeDirectory(_cacheDir)) { |
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208 | ERROR("Failed to create directory '%s'", path); |
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209 | } |
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210 | } |
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211 | |
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212 | void Renderer::initColorMaps() |
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213 | { |
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214 | if (!_colorMaps.empty()) |
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215 | return; |
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216 | #if 0 |
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217 | osg::TransferFunction1D *defaultColorMap = new osg::TransferFunction1D; |
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218 | defaultColorMap->allocate(256); |
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219 | defaultColorMap->setColor(0.00, osg::Vec4f(0,0,1,1), false); |
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220 | defaultColorMap->setColor(0.25, osg::Vec4f(0,1,1,1), false); |
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221 | defaultColorMap->setColor(0.50, osg::Vec4f(0,1,0,1), false); |
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222 | defaultColorMap->setColor(0.75, osg::Vec4f(1,1,0,1), false); |
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223 | defaultColorMap->setColor(1.00, osg::Vec4f(1,0,0,1), false); |
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224 | defaultColorMap->updateImage(); |
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225 | addColorMap("default", defaultColorMap); |
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226 | osg::TransferFunction1D *defaultGrayColorMap = new osg::TransferFunction1D; |
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227 | defaultGrayColorMap->allocate(256); |
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228 | defaultGrayColorMap->setColor(0, osg::Vec4f(0,0,0,1), false); |
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229 | defaultGrayColorMap->setColor(1, osg::Vec4f(1,1,1,1), false); |
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230 | defaultGrayColorMap->updateImage(); |
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231 | addColorMap("grayDefault", defaultGrayColorMap); |
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232 | #endif |
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233 | } |
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234 | |
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235 | void Renderer::saveCLRFile(const std::string& path, osg::TransferFunction1D *xfer) |
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236 | { |
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237 | std::ofstream out(path.c_str()); |
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238 | float value; |
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239 | unsigned int r, g, b, a; |
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240 | for (osg::TransferFunction1D::ColorMap::const_iterator itr = xfer->getColorMap().begin(); |
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241 | itr != xfer->getColorMap().end(); ++itr) { |
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242 | value = itr->first; |
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243 | r = (unsigned int)(255.0 * itr->second.r()); |
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244 | g = (unsigned int)(255.0 * itr->second.g()); |
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245 | b = (unsigned int)(255.0 * itr->second.b()); |
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246 | a = (unsigned int)(255.0 * itr->second.a()); |
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247 | out << value << " " << r << " " << g << " " << b << " " << a << std::endl; |
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248 | } |
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249 | } |
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250 | |
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251 | void Renderer::getColorMapRange(const ColorMapId& id, float *min, float *max) const |
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252 | { |
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253 | ColorMapHashmap::const_iterator itr = _colorMaps.find(id); |
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254 | if (itr == _colorMaps.end()) { |
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255 | ERROR("Unknown ColorMap %s", id.c_str()); |
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256 | return; |
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257 | } |
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258 | |
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259 | *min = itr->second->getMinimum(); |
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260 | *max = itr->second->getMaximum(); |
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261 | } |
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262 | |
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263 | std::string Renderer::getColorMapFilePath(const ColorMapId& id) const |
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264 | { |
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265 | std::ostringstream path; |
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266 | path << "/tmp/" << id << "_" << getpid() << ".clr"; |
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267 | return path.str(); |
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268 | } |
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269 | |
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270 | void Renderer::addColorMap(const ColorMapId& id, osg::TransferFunction1D *xfer) |
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271 | { |
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272 | _colorMaps[id] = xfer; |
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273 | saveCLRFile(getColorMapFilePath(id), xfer); |
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274 | } |
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275 | |
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276 | void Renderer::deleteColorMap(const ColorMapId& id) |
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277 | { |
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278 | ColorMapHashmap::iterator itr; |
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279 | bool doAll = false; |
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280 | |
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281 | if (id.compare("all") == 0) { |
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282 | itr = _colorMaps.begin(); |
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283 | doAll = true; |
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284 | } else { |
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285 | itr = _colorMaps.find(id); |
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286 | } |
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287 | |
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288 | if (itr == _colorMaps.end()) { |
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289 | ERROR("Unknown ColorMap %s", id.c_str()); |
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290 | return; |
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291 | } |
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292 | |
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293 | do { |
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294 | TRACE("Deleting ColorMap %s", itr->first.c_str()); |
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295 | std::string path = getColorMapFilePath(itr->first); |
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296 | if (remove(path.c_str()) < 0) { |
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297 | ERROR("Failed to delete colormap file '%s': %s", |
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298 | path.c_str(), strerror(errno)); |
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299 | } |
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300 | itr = _colorMaps.erase(itr); |
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301 | } while (doAll && itr != _colorMaps.end()); |
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302 | } |
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303 | |
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304 | void Renderer::setColorMapNumberOfTableEntries(const ColorMapId& id, |
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305 | int numEntries) |
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306 | { |
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307 | ColorMapHashmap::iterator itr; |
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308 | bool doAll = false; |
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309 | |
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310 | if (id.compare("all") == 0) { |
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311 | itr = _colorMaps.begin(); |
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312 | doAll = true; |
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313 | } else { |
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314 | itr = _colorMaps.find(id); |
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315 | } |
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316 | |
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317 | if (itr == _colorMaps.end()) { |
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318 | ERROR("Unknown ColorMap %s", id.c_str()); |
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319 | return; |
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320 | } |
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321 | |
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322 | do { |
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323 | itr->second->allocate(numEntries); |
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324 | } while (doAll && ++itr != _colorMaps.end()); |
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325 | } |
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326 | |
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327 | bool |
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328 | Renderer::renderColorMap(const ColorMapId& id, int width, int height, |
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329 | osg::Image *imgData, |
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330 | bool opaque, float bgColor[3], |
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331 | bool bgr, int bytesPerPixel) const |
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332 | { |
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333 | ColorMapHashmap::const_iterator itr = _colorMaps.find(id); |
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334 | if (itr == _colorMaps.end()) { |
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335 | ERROR("Unknown ColorMap %s", id.c_str()); |
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336 | return false; |
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337 | } |
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338 | |
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339 | ColorMap::renderColorMap(itr->second, width, height, imgData, opaque, bgColor, bgr, bytesPerPixel); |
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340 | return true; |
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341 | } |
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342 | |
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343 | void Renderer::initViewer() { |
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344 | if (_viewer.valid()) |
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345 | return; |
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346 | _viewer = new osgViewer::Viewer(); |
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347 | #if 1 |
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348 | osg::DisplaySettings *ds = _viewer->getDisplaySettings(); |
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349 | if (ds == NULL) { |
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350 | ds = osg::DisplaySettings::instance().get(); |
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351 | } |
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352 | ds->setDoubleBuffer(false); |
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353 | ds->setMinimumNumAlphaBits(8); |
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354 | ds->setMinimumNumStencilBits(8); |
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355 | ds->setNumMultiSamples(0); |
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356 | #endif |
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357 | _viewer->setThreadingModel(osgViewer::ViewerBase::SingleThreaded); |
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358 | _viewer->getDatabasePager()->setUnrefImageDataAfterApplyPolicy(false, false); |
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359 | _viewer->setReleaseContextAtEndOfFrameHint(false); |
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360 | //_viewer->setLightingMode(osg::View::SKY_LIGHT); |
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361 | _viewer->getCamera()->setClearColor(osg::Vec4(_bgColor[0], _bgColor[1], _bgColor[2], 1)); |
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362 | _viewer->getCamera()->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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363 | _viewer->getCamera()->setNearFarRatio(0.00002); |
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364 | _viewer->getCamera()->setSmallFeatureCullingPixelSize(-1.0f); |
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365 | _stateManip = new osgGA::StateSetManipulator(_viewer->getCamera()->getOrCreateStateSet()); |
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366 | _viewer->addEventHandler(_stateManip); |
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367 | //_viewer->addEventHandler(new osgViewer::StatsHandler()); |
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368 | |
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369 | #ifdef DEBUG |
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370 | if (_viewer->getViewerStats() != NULL) { |
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371 | TRACE("Enabling stats"); |
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372 | _viewer->getViewerStats()->collectStats("scene", true); |
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373 | } |
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374 | #endif |
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375 | #if 0 |
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376 | osgViewer::ViewerBase::Windows windows; |
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377 | _viewer->getWindows(windows); |
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378 | if (windows.size() == 1) { |
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379 | windows[0]->setSyncToVBlank(false); |
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380 | } else { |
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381 | ERROR("Num windows: %lu", windows.size()); |
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382 | } |
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383 | #endif |
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384 | } |
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385 | |
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386 | void Renderer::finalizeViewer() { |
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387 | initViewer(); |
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388 | TRACE("Before _viewer->isRealized()"); |
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389 | if (!_viewer->isRealized()) { |
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390 | int screen = 0; |
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391 | const char *displayEnv = getenv("DISPLAY"); |
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392 | if (displayEnv != NULL) { |
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393 | TRACE("DISPLAY: %s", displayEnv); |
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394 | // 3 parts: host, display, screen |
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395 | int part = 0; |
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396 | for (size_t c = 0; c < strlen(displayEnv); c++) { |
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397 | if (displayEnv[c] == ':') { |
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398 | part = 1; |
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399 | } else if (part == 1 && displayEnv[c] == '.') { |
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400 | part = 2; |
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401 | } else if (part == 2) { |
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402 | screen = atoi(&displayEnv[c]); |
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403 | break; |
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404 | } |
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405 | } |
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406 | } |
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407 | TRACE("Using screen: %d", screen); |
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408 | #ifdef USE_OFFSCREEN_RENDERING |
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409 | #ifdef USE_PBUFFER |
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410 | osg::ref_ptr<osg::GraphicsContext> pbuffer; |
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411 | osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits; |
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412 | traits->x = 0; |
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413 | traits->y = 0; |
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414 | traits->width = _windowWidth; |
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415 | traits->height = _windowHeight; |
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416 | traits->red = 8; |
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417 | traits->green = 8; |
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418 | traits->blue = 8; |
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419 | traits->alpha = 8; |
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420 | traits->windowDecoration = false; |
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421 | traits->pbuffer = true; |
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422 | traits->doubleBuffer = true; |
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423 | traits->sharedContext = 0; |
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424 | |
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425 | pbuffer = osg::GraphicsContext::createGraphicsContext(traits.get()); |
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426 | if (pbuffer.valid()) { |
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427 | TRACE("Pixel buffer has been created successfully."); |
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428 | } else { |
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429 | ERROR("Pixel buffer has not been created successfully."); |
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430 | } |
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431 | osg::Camera *camera = new osg::Camera; |
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432 | camera->setGraphicsContext(pbuffer.get()); |
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433 | //camera->getOrCreateStateSet()->setGlobalDefaults(); |
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434 | camera->setViewport(new osg::Viewport(0, 0, _windowWidth, _windowHeight)); |
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435 | GLenum buffer = pbuffer->getTraits()->doubleBuffer ? GL_BACK : GL_FRONT; |
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436 | camera->setDrawBuffer(buffer); |
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437 | camera->setReadBuffer(buffer); |
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438 | _captureCallback = new ScreenCaptureCallback(); |
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439 | camera->setFinalDrawCallback(_captureCallback.get()); |
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440 | _viewer->addSlave(camera, osg::Matrixd(), osg::Matrixd()); |
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441 | #else |
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442 | _viewer->getCamera()->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); |
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443 | osg::Texture2D* texture2D = new osg::Texture2D; |
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444 | texture2D->setTextureSize(_windowWidth, _windowHeight); |
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445 | texture2D->setInternalFormat(GL_RGBA); |
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446 | texture2D->setFilter(osg::Texture2D::MIN_FILTER, osg::Texture2D::NEAREST); |
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447 | texture2D->setFilter(osg::Texture2D::MAG_FILTER, osg::Texture2D::NEAREST); |
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448 | |
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449 | _viewer->getCamera()->setImplicitBufferAttachmentMask(0, 0); |
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450 | _viewer->getCamera()->attach(osg::Camera::COLOR_BUFFER0, texture2D); |
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451 | //_viewer->getCamera()->attach(osg::Camera::DEPTH_BUFFER, GL_DEPTH_COMPONENT24); |
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452 | _viewer->getCamera()->attach(osg::Camera::PACKED_DEPTH_STENCIL_BUFFER, GL_DEPTH24_STENCIL8_EXT); |
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453 | _captureCallback = new ScreenCaptureCallback(texture2D); |
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454 | _viewer->getCamera()->setFinalDrawCallback(_captureCallback.get()); |
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455 | _viewer->setUpViewInWindow(0, 0, _windowWidth, _windowHeight, screen); |
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456 | #endif |
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457 | #else |
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458 | _captureCallback = new ScreenCaptureCallback(); |
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459 | _viewer->getCamera()->setFinalDrawCallback(_captureCallback.get()); |
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460 | #if 1 |
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461 | _viewer->setUpViewInWindow(0, 0, _windowWidth, _windowHeight, screen); |
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462 | #else |
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463 | SingleWindow *windowConfig = new SingleWindow(0, 0, _windowWidth, _windowHeight, screen); |
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464 | osg::DisplaySettings *ds = windowConfig->getActiveDisplaySetting(*_viewer.get()); |
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465 | ds->setDoubleBuffer(false); |
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466 | ds->setMinimumNumAlphaBits(8); |
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467 | ds->setMinimumNumStencilBits(8); |
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468 | ds->setNumMultiSamples(0); |
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469 | windowConfig->setWindowDecoration(false); |
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470 | windowConfig->setOverrideRedirect(false); |
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471 | _viewer->apply(windowConfig); |
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472 | #endif |
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473 | #endif |
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474 | _viewer->realize(); |
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475 | initColorMaps(); |
---|
476 | // HACK: This seems to initialize something required for properly |
---|
477 | // mapping mouse coords |
---|
478 | assert(getEventQueue() != NULL); |
---|
479 | getEventQueue()->mouseMotion(_windowWidth/2, _windowHeight/2); |
---|
480 | } |
---|
481 | } |
---|
482 | |
---|
483 | void Renderer::setAttribution(const std::string& attrib) |
---|
484 | { |
---|
485 | TRACE("Setting map attribution: '%s'", attrib.c_str()); |
---|
486 | _attribution = attrib; |
---|
487 | if (_copyrightLabel.valid()) { |
---|
488 | _copyrightLabel->setText(_attribution); |
---|
489 | _needsRedraw = true; |
---|
490 | } |
---|
491 | } |
---|
492 | |
---|
493 | void Renderer::initControls() |
---|
494 | { |
---|
495 | if (_hbox.valid()) |
---|
496 | return; |
---|
497 | _hbox = |
---|
498 | new osgEarth::Util::Controls::HBox(osgEarth::Util::Controls::Control::ALIGN_RIGHT, |
---|
499 | osgEarth::Util::Controls::Control::ALIGN_BOTTOM, |
---|
500 | osgEarth::Util::Controls::Gutter(0, 2, 2, 0), 2.0f); |
---|
501 | _attribution = "Map data © OpenStreetMap"; |
---|
502 | _copyrightLabel = |
---|
503 | new osgEarth::Util::Controls::LabelControl(_attribution, 12.0f); |
---|
504 | _copyrightLabel->setForeColor(osg::Vec4f(1, 1, 1, 1)); |
---|
505 | _copyrightLabel->setHaloColor(osg::Vec4f(0, 0, 0, 1)); |
---|
506 | _copyrightLabel->setEncoding(osgText::String::ENCODING_UTF8); |
---|
507 | _scaleLabel = |
---|
508 | new osgEarth::Util::Controls::LabelControl("- km", 12.0f); |
---|
509 | _scaleLabel->setForeColor(osg::Vec4f(1, 1, 1, 1)); |
---|
510 | _scaleLabel->setHaloColor(osg::Vec4f(0, 0, 0, 1)); |
---|
511 | _scaleBar = |
---|
512 | new osgEarth::Util::Controls::Frame(); |
---|
513 | _scaleBar->setVertFill(true); |
---|
514 | _scaleBar->setForeColor(osg::Vec4f(0, 0, 0, 1)); |
---|
515 | _scaleBar->setBackColor(osg::Vec4f(1, 1, 1, 0.6)); |
---|
516 | _scaleBar->setBorderColor(osg::Vec4f(0, 0, 0 ,1)); |
---|
517 | _scaleBar->setBorderWidth(1.0); |
---|
518 | _hbox->addControl(_copyrightLabel.get()); |
---|
519 | _hbox->addControl(_scaleLabel.get()); |
---|
520 | _hbox->addControl(_scaleBar.get()); |
---|
521 | osgEarth::Util::Controls::ControlCanvas::getOrCreate(_viewer.get())->addControl(_hbox.get()); |
---|
522 | // Install an event callback to handle scale bar updates |
---|
523 | // Can't use an update callback since that will trigger |
---|
524 | // constant rendering |
---|
525 | _mapNode->setEventCallback(new MapNodeCallback(this)); |
---|
526 | } |
---|
527 | |
---|
528 | void Renderer::setGraticule(bool enable, GraticuleType type) |
---|
529 | { |
---|
530 | if (!_mapNode.valid() || !_sceneRoot.valid()) |
---|
531 | return; |
---|
532 | if (enable) { |
---|
533 | if (_graticule.valid()) { |
---|
534 | _sceneRoot->removeChild(_graticule.get()); |
---|
535 | _graticule = NULL; |
---|
536 | } |
---|
537 | switch (type) { |
---|
538 | case GRATICULE_UTM: { |
---|
539 | osgEarth::Util::UTMGraticule *gr = new osgEarth::Util::UTMGraticule(_mapNode.get()); |
---|
540 | _sceneRoot->addChild(gr); |
---|
541 | _graticule = gr; |
---|
542 | } |
---|
543 | break; |
---|
544 | case GRATICULE_MGRS: { |
---|
545 | osgEarth::Util::MGRSGraticule *gr = new osgEarth::Util::MGRSGraticule(_mapNode.get()); |
---|
546 | _sceneRoot->addChild(gr); |
---|
547 | _graticule = gr; |
---|
548 | } |
---|
549 | break; |
---|
550 | case GRATICULE_SHADER: { |
---|
551 | osgEarth::Util::GraticuleOptions opt; |
---|
552 | opt.color() = osgEarth::Symbology::Color(1, 1, 0); |
---|
553 | opt.labelColor() = osgEarth::Symbology::Color(1, 1, 0); |
---|
554 | opt.lineWidth() = 1.0; |
---|
555 | osgEarth::Util::GraticuleNode *gr = new osgEarth::Util::GraticuleNode(_mapNode.get(), opt); |
---|
556 | _sceneRoot->addChild(gr); |
---|
557 | _graticule = gr; |
---|
558 | } |
---|
559 | break; |
---|
560 | case GRATICULE_GEODETIC: |
---|
561 | default: |
---|
562 | osgEarth::Util::GeodeticGraticule *gr = new osgEarth::Util::GeodeticGraticule(_mapNode.get()); |
---|
563 | osgEarth::Util::GeodeticGraticuleOptions opt = gr->getOptions(); |
---|
564 | opt.lineStyle()->getOrCreate<osgEarth::Symbology::LineSymbol>()->stroke()->color().set(1,0,0,1); |
---|
565 | gr->setOptions(opt); |
---|
566 | _sceneRoot->addChild(gr); |
---|
567 | _graticule = gr; |
---|
568 | } |
---|
569 | } else if (_graticule.valid()) { |
---|
570 | _sceneRoot->removeChild(_graticule.get()); |
---|
571 | _graticule = NULL; |
---|
572 | } |
---|
573 | _needsRedraw = true; |
---|
574 | } |
---|
575 | |
---|
576 | void Renderer::setReadout(int x, int y) |
---|
577 | { |
---|
578 | if (!_coordsCallback.valid() || !_mapNode.valid() || !_viewer.valid()) |
---|
579 | return; |
---|
580 | |
---|
581 | osgEarth::GeoPoint mapCoord; |
---|
582 | if (mapMouseCoords(x, y, mapCoord)) { |
---|
583 | _coordsCallback->set(mapCoord, _viewer->asView(), _mapNode); |
---|
584 | } else { |
---|
585 | _coordsCallback->reset(_viewer->asView(), _mapNode); |
---|
586 | } |
---|
587 | _needsRedraw = true; |
---|
588 | } |
---|
589 | |
---|
590 | void Renderer::clearReadout() |
---|
591 | { |
---|
592 | if (_coordsCallback.valid()) { |
---|
593 | _coordsCallback->reset(_viewer->asView(), _mapNode); |
---|
594 | } |
---|
595 | _needsRedraw = true; |
---|
596 | } |
---|
597 | |
---|
598 | void Renderer::setCoordinateReadout(bool state, CoordinateDisplayType type, |
---|
599 | int precision) |
---|
600 | { |
---|
601 | if (!state) { |
---|
602 | if (_mouseCoordsTool.valid() && _viewer.valid()) { |
---|
603 | _viewer->removeEventHandler(_mouseCoordsTool.get()); |
---|
604 | _mouseCoordsTool = NULL; |
---|
605 | } |
---|
606 | if (_coordsCallback.valid() && _viewer.valid()) { |
---|
607 | osgEarth::Util::Controls::LabelControl *readout = |
---|
608 | _coordsCallback->getLabel(); |
---|
609 | osgEarth::Util::Controls::ControlCanvas::getOrCreate(_viewer.get())->removeControl(readout); |
---|
610 | _coordsCallback = NULL; |
---|
611 | } |
---|
612 | } else { |
---|
613 | initMouseCoordsTool(type, precision); |
---|
614 | } |
---|
615 | _needsRedraw = true; |
---|
616 | } |
---|
617 | |
---|
618 | osgEarth::Util::MGRSFormatter::Precision |
---|
619 | Renderer::getMGRSPrecision(int precisionInMeters) |
---|
620 | { |
---|
621 | switch (precisionInMeters) { |
---|
622 | case 1: |
---|
623 | return osgEarth::Util::MGRSFormatter::PRECISION_1M; |
---|
624 | case 10: |
---|
625 | return osgEarth::Util::MGRSFormatter::PRECISION_10M; |
---|
626 | case 100: |
---|
627 | return osgEarth::Util::MGRSFormatter::PRECISION_100M; |
---|
628 | case 1000: |
---|
629 | return osgEarth::Util::MGRSFormatter::PRECISION_1000M; |
---|
630 | case 10000: |
---|
631 | return osgEarth::Util::MGRSFormatter::PRECISION_10000M; |
---|
632 | case 100000: |
---|
633 | return osgEarth::Util::MGRSFormatter::PRECISION_100000M; |
---|
634 | default: |
---|
635 | ERROR("Invalid precision: %d", precisionInMeters); |
---|
636 | return osgEarth::Util::MGRSFormatter::PRECISION_1M; |
---|
637 | } |
---|
638 | } |
---|
639 | |
---|
640 | void Renderer::initMouseCoordsTool(CoordinateDisplayType type, int precision) |
---|
641 | { |
---|
642 | if (!_viewer.valid()) |
---|
643 | return; |
---|
644 | if (_mouseCoordsTool.valid()) { |
---|
645 | _viewer->removeEventHandler(_mouseCoordsTool.get()); |
---|
646 | } |
---|
647 | _mouseCoordsTool = new MouseCoordsTool(_mapNode.get()); |
---|
648 | osgEarth::Util::Controls::LabelControl *readout; |
---|
649 | if (_coordsCallback.valid()) { |
---|
650 | readout = _coordsCallback->getLabel(); |
---|
651 | _coordsCallback = NULL; |
---|
652 | } else { |
---|
653 | readout = new osgEarth::Util::Controls::LabelControl("", 12.0f); |
---|
654 | osgEarth::Util::Controls::ControlCanvas::getOrCreate(_viewer.get())->addControl(readout); |
---|
655 | readout->setForeColor(osg::Vec4f(1, 1, 1, 1)); |
---|
656 | readout->setHaloColor(osg::Vec4f(0, 0, 0, 1)); |
---|
657 | } |
---|
658 | |
---|
659 | osgEarth::Util::Formatter *formatter = NULL; |
---|
660 | if (type == COORDS_MGRS) { |
---|
661 | osgEarth::Util::MGRSFormatter::Precision prec = |
---|
662 | osgEarth::Util::MGRSFormatter::PRECISION_1M; |
---|
663 | if (precision > 0) { |
---|
664 | prec = getMGRSPrecision(precision); |
---|
665 | } |
---|
666 | unsigned int opts = 0u; |
---|
667 | formatter = new osgEarth::Util::MGRSFormatter(prec, NULL, opts); |
---|
668 | } else { |
---|
669 | osgEarth::Util::LatLongFormatter::AngularFormat af; |
---|
670 | unsigned int opts = osgEarth::Util::LatLongFormatter::USE_SYMBOLS; |
---|
671 | switch (type) { |
---|
672 | case COORDS_LATLONG_DEGREES_DECIMAL_MINUTES: |
---|
673 | af = osgEarth::Util::LatLongFormatter::FORMAT_DEGREES_DECIMAL_MINUTES; |
---|
674 | break; |
---|
675 | case COORDS_LATLONG_DEGREES_MINUTES_SECONDS: |
---|
676 | af = osgEarth::Util::LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS; |
---|
677 | break; |
---|
678 | default: |
---|
679 | af = osgEarth::Util::LatLongFormatter::FORMAT_DECIMAL_DEGREES; |
---|
680 | } |
---|
681 | osgEarth::Util::LatLongFormatter *latlong = new osgEarth::Util::LatLongFormatter(af, opts); |
---|
682 | if (precision > 0) { |
---|
683 | latlong->setPrecision(precision); |
---|
684 | } |
---|
685 | formatter = latlong; |
---|
686 | } |
---|
687 | _coordsCallback = new MouseCoordsCallback(readout, formatter); |
---|
688 | |
---|
689 | _mouseCoordsTool->addCallback(_coordsCallback.get()); |
---|
690 | _viewer->addEventHandler(_mouseCoordsTool.get()); |
---|
691 | } |
---|
692 | |
---|
693 | void Renderer::initEarthManipulator() |
---|
694 | { |
---|
695 | _manipulator = new osgEarth::Util::EarthManipulator; |
---|
696 | #if 1 |
---|
697 | osgEarth::Util::EarthManipulator::Settings *settings = _manipulator->getSettings(); |
---|
698 | |
---|
699 | settings->bindMouse(osgEarth::Util::EarthManipulator::ACTION_ROTATE, |
---|
700 | osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON, |
---|
701 | osgGA::GUIEventAdapter::MODKEY_ALT); |
---|
702 | osgEarth::Util::EarthManipulator::ActionOptions options; |
---|
703 | options.clear(); |
---|
704 | options.add(osgEarth::Util::EarthManipulator::OPTION_CONTINUOUS, true); |
---|
705 | settings->bindMouse(osgEarth::Util::EarthManipulator::ACTION_ZOOM, |
---|
706 | osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON, |
---|
707 | osgGA::GUIEventAdapter::MODKEY_ALT, options); |
---|
708 | |
---|
709 | if (_map->isGeocentric()) { |
---|
710 | settings->setMinMaxDistance(1.0, 2.0e7); |
---|
711 | } else { |
---|
712 | osgEarth::GeoExtent extent = _map->getProfile()->getExtent(); |
---|
713 | settings->setMinMaxDistance(1.0, getMaxDistanceFromExtent(extent)); |
---|
714 | } |
---|
715 | |
---|
716 | _manipulator->applySettings(settings); |
---|
717 | #endif |
---|
718 | _viewer->setCameraManipulator(_manipulator.get()); |
---|
719 | _manipulator->setNode(NULL); |
---|
720 | _manipulator->setNode(_sceneRoot.get()); |
---|
721 | //_manipulator->computeHomePosition(); |
---|
722 | } |
---|
723 | |
---|
724 | void Renderer::loadEarthFile(const char *path) |
---|
725 | { |
---|
726 | TRACE("Loading %s", path); |
---|
727 | osg::Node *node = osgDB::readNodeFile(path); |
---|
728 | if (node == NULL) { |
---|
729 | ERROR("Couldn't load %s", path); |
---|
730 | return; |
---|
731 | } |
---|
732 | osgEarth::MapNode *mapNode = osgEarth::MapNode::findMapNode(node); |
---|
733 | if (mapNode == NULL) { |
---|
734 | ERROR("Couldn't find MapNode"); |
---|
735 | return; |
---|
736 | } else { |
---|
737 | initViewer(); |
---|
738 | _sceneRoot = new osg::Group; |
---|
739 | _sceneRoot->addChild(node); |
---|
740 | _map = mapNode->getMap(); |
---|
741 | } |
---|
742 | _mapNode = mapNode; |
---|
743 | |
---|
744 | if (_clipPlaneCullCallback.valid()) { |
---|
745 | _viewer->getCamera()->removeCullCallback(_clipPlaneCullCallback.get()); |
---|
746 | _clipPlaneCullCallback = NULL; |
---|
747 | } |
---|
748 | if (_map->isGeocentric()) { |
---|
749 | _clipPlaneCullCallback = new osgEarth::Util::AutoClipPlaneCullCallback(mapNode); |
---|
750 | _viewer->getCamera()->addCullCallback(_clipPlaneCullCallback.get()); |
---|
751 | } |
---|
752 | _viewer->setSceneData(_sceneRoot.get()); |
---|
753 | |
---|
754 | if (_mouseCoordsTool.valid()) { |
---|
755 | initMouseCoordsTool(); |
---|
756 | } |
---|
757 | initControls(); |
---|
758 | initEarthManipulator(); |
---|
759 | |
---|
760 | _viewer->home(); |
---|
761 | finalizeViewer(); |
---|
762 | _needsRedraw = true; |
---|
763 | } |
---|
764 | |
---|
765 | void Renderer::resetMap(osgEarth::MapOptions::CoordinateSystemType type, |
---|
766 | const osg::Vec4f& bgColor, |
---|
767 | const char *profile, |
---|
768 | double bounds[4]) |
---|
769 | { |
---|
770 | TRACE("Restting map with type %d, profile %s", type, profile); |
---|
771 | |
---|
772 | osgEarth::MapOptions mapOpts; |
---|
773 | mapOpts.coordSysType() = type; |
---|
774 | if (profile != NULL) { |
---|
775 | if (bounds != NULL) { |
---|
776 | mapOpts.profile() = osgEarth::ProfileOptions(); |
---|
777 | if (strcmp(profile, "geodetic") == 0) { |
---|
778 | mapOpts.profile()->srsString() = "epsg:4326"; // WGS84 |
---|
779 | } else if (strcmp(profile, "spherical-mercator") == 0) { |
---|
780 | // Projection used by Google/Bing/OSM |
---|
781 | // aka epsg:900913 meters in x/y |
---|
782 | // aka WGS84 Web Mercator (Auxiliary Sphere) |
---|
783 | // X/Y: -20037508.34m to 20037508.34m |
---|
784 | mapOpts.profile()->srsString() = "epsg:3857"; |
---|
785 | } else { |
---|
786 | mapOpts.profile()->srsString() = profile; |
---|
787 | } |
---|
788 | TRACE("Setting profile bounds: %g %g %g %g", |
---|
789 | bounds[0], bounds[1], bounds[2], bounds[3]); |
---|
790 | if (1) { |
---|
791 | osg::ref_ptr<osgEarth::SpatialReference> fromSRS = osgEarth::SpatialReference::create("wgs84"); |
---|
792 | osg::ref_ptr<osgEarth::SpatialReference> toSRS = osgEarth::SpatialReference::create(mapOpts.profile()->srsString().get()); |
---|
793 | osgEarth::Bounds extents(bounds[0], bounds[1], bounds[2], bounds[3]); |
---|
794 | extents.transform(fromSRS, toSRS); |
---|
795 | mapOpts.profile()->bounds() = extents; |
---|
796 | //mapOpts.profile()->numTilesWideAtLod0() = 1; |
---|
797 | //mapOpts.profile()->numTilesHighAtLod0() = 2; |
---|
798 | } else { |
---|
799 | mapOpts.profile()->bounds() = |
---|
800 | osgEarth::Bounds(bounds[0], bounds[1], bounds[2], bounds[3]); |
---|
801 | } |
---|
802 | } else { |
---|
803 | mapOpts.profile() = osgEarth::ProfileOptions(profile); |
---|
804 | } |
---|
805 | } else if (type == osgEarth::MapOptions::CSTYPE_PROJECTED) { |
---|
806 | mapOpts.profile() = osgEarth::ProfileOptions("global-mercator"); |
---|
807 | } |
---|
808 | |
---|
809 | #ifdef USE_CACHE |
---|
810 | setupCache(); |
---|
811 | osgEarth::Drivers::FileSystemCacheOptions cacheOpts; |
---|
812 | cacheOpts.rootPath() = _cacheDir; |
---|
813 | mapOpts.cache() = cacheOpts; |
---|
814 | #endif |
---|
815 | |
---|
816 | initViewer(); |
---|
817 | |
---|
818 | //mapOpts.referenceURI() = _baseURI; |
---|
819 | osgEarth::Map *map = new osgEarth::Map(mapOpts); |
---|
820 | _map = map; |
---|
821 | osgEarth::Drivers::GDALOptions bopts; |
---|
822 | bopts.url() = getBaseImage(); |
---|
823 | addImageLayer("base", bopts); |
---|
824 | #ifdef USE_REX |
---|
825 | osgEarth::Drivers::RexTerrainEngine::RexTerrainEngineOptions engineOpt; |
---|
826 | #else |
---|
827 | osgEarth::Drivers::MPTerrainEngine::MPTerrainEngineOptions engineOpt; |
---|
828 | #endif |
---|
829 | // Set background layer color |
---|
830 | engineOpt.color() = bgColor; |
---|
831 | //engineOpt.minLOD() = 1; |
---|
832 | // Sets shader uniform for terrain renderer (config var defaults to false) |
---|
833 | if (!_map->isGeocentric()) { |
---|
834 | engineOpt.enableLighting() = false; |
---|
835 | } |
---|
836 | osgEarth::MapNodeOptions mapNodeOpts(engineOpt); |
---|
837 | // Sets GL_LIGHTING state in MapNode StateSet (config var defaults to true) |
---|
838 | //mapNodeOpts.enableLighting() = true; |
---|
839 | //mapNodeOpts.getTerrainOptions().loadingPolicy().mapLoadingThreadsPerCore() = 1; |
---|
840 | //mapNodeOpts.getTerrainOptions().loadingPolicy().numLoadingThreads() = 1; |
---|
841 | //mapNodeOpts.getTerrainOptions().loadingPolicy().numCompileThreadsPerCore() = 1; |
---|
842 | //mapNodeOpts.getTerrainOptions().loadingPolicy().numCompileThreads() = 1; |
---|
843 | osgEarth::MapNode *mapNode = new osgEarth::MapNode(map, mapNodeOpts); |
---|
844 | _mapNode = mapNode; |
---|
845 | if (_map->isGeocentric()) { |
---|
846 | osgEarth::DateTime now; |
---|
847 | TRACE("Creating SkyNode"); |
---|
848 | osgEarth::Drivers::SimpleSky::SimpleSkyOptions skyOpts; |
---|
849 | skyOpts.hours() = now.hours(); |
---|
850 | skyOpts.ambient() = 0.2f; |
---|
851 | skyOpts.atmosphericLighting() = true; |
---|
852 | skyOpts.exposure() = 3.0; |
---|
853 | _skyNode = osgEarth::Util::SkyNode::create(skyOpts, mapNode); |
---|
854 | _skyNode->addChild(mapNode); |
---|
855 | _skyNode->attach(_viewer.get(), 0); |
---|
856 | _sceneRoot = new osg::Group(); |
---|
857 | _sceneRoot->addChild(_skyNode.get()); |
---|
858 | //_sceneRoot = _skyNode; |
---|
859 | } else { |
---|
860 | _sceneRoot = new osg::Group(); |
---|
861 | _sceneRoot->addChild(_mapNode.get()); |
---|
862 | } |
---|
863 | |
---|
864 | if (_clipPlaneCullCallback.valid()) { |
---|
865 | _viewer->getCamera()->removeCullCallback(_clipPlaneCullCallback.get()); |
---|
866 | _clipPlaneCullCallback = NULL; |
---|
867 | } |
---|
868 | if (_map->isGeocentric()) { |
---|
869 | _clipPlaneCullCallback = new osgEarth::Util::AutoClipPlaneCullCallback(mapNode); |
---|
870 | _viewer->getCamera()->addCullCallback(_clipPlaneCullCallback.get()); |
---|
871 | } |
---|
872 | _viewer->setSceneData(_sceneRoot.get()); |
---|
873 | if (_mouseCoordsTool.valid()) { |
---|
874 | initMouseCoordsTool(); |
---|
875 | } |
---|
876 | #ifdef USE_RTT_PICKER |
---|
877 | if (_picker.valid()) { |
---|
878 | _viewer->removeEventHandler(_picker.get()); |
---|
879 | _picker = NULL; |
---|
880 | } |
---|
881 | if (!_picker.valid()) { |
---|
882 | _picker = new osgEarth::Util::RTTPicker; |
---|
883 | _picker->addChild(mapNode); |
---|
884 | //osg::ref_ptr<HoverCallback> callback = new HoverCallback(this); |
---|
885 | osg::ref_ptr<SelectCallback> callback = new SelectCallback(this); |
---|
886 | _picker->setDefaultCallback(callback.get()); |
---|
887 | _viewer->addEventHandler(_picker.get()); |
---|
888 | } |
---|
889 | #endif |
---|
890 | initControls(); |
---|
891 | //_viewer->setSceneData(_sceneRoot.get()); |
---|
892 | initEarthManipulator(); |
---|
893 | _viewer->home(); |
---|
894 | |
---|
895 | finalizeViewer(); |
---|
896 | _needsRedraw = true; |
---|
897 | } |
---|
898 | |
---|
899 | void Renderer::clearMap() |
---|
900 | { |
---|
901 | if (_map.valid()) { |
---|
902 | _map->clear(); |
---|
903 | _needsRedraw = true; |
---|
904 | } |
---|
905 | } |
---|
906 | |
---|
907 | void Renderer::setSkyAmbient(float value) |
---|
908 | { |
---|
909 | #if OSG_MIN_VERSION_REQUIRED(2, 7, 0) |
---|
910 | if (_skyNode.valid()) { |
---|
911 | _skyNode->setMinimumAmbient(osg::Vec4f(value, value, value, 1.0f)); |
---|
912 | _needsRedraw = true; |
---|
913 | } |
---|
914 | #endif |
---|
915 | } |
---|
916 | |
---|
917 | void Renderer::setLighting(bool state) |
---|
918 | { |
---|
919 | if (_mapNode.valid()) { |
---|
920 | TRACE("Setting lighting: %d", state ? 1 : 0); |
---|
921 | _mapNode->getOrCreateStateSet() |
---|
922 | ->setMode(GL_LIGHTING, state ? 1 : 0); |
---|
923 | _needsRedraw = true; |
---|
924 | } |
---|
925 | } |
---|
926 | |
---|
927 | void Renderer::setViewerLightType(osg::View::LightingMode mode) |
---|
928 | { |
---|
929 | if (_viewer.valid()) { |
---|
930 | _viewer->setLightingMode(mode); |
---|
931 | _needsRedraw = true; |
---|
932 | } |
---|
933 | } |
---|
934 | |
---|
935 | void Renderer::setTerrainVerticalScale(double scale) |
---|
936 | { |
---|
937 | if (_mapNode.valid()) { |
---|
938 | if (!_verticalScale.valid()) { |
---|
939 | _verticalScale = new osgEarth::Util::VerticalScale; |
---|
940 | _mapNode->getTerrainEngine()->addEffect(_verticalScale); |
---|
941 | } |
---|
942 | _verticalScale->setScale(scale); |
---|
943 | _needsRedraw = true; |
---|
944 | } |
---|
945 | } |
---|
946 | |
---|
947 | void Renderer::setEphemerisTime(time_t utcTime) |
---|
948 | { |
---|
949 | if (_skyNode.valid()) { |
---|
950 | osgEarth::DateTime time(utcTime); |
---|
951 | _skyNode->setDateTime(time); |
---|
952 | _needsRedraw = true; |
---|
953 | } |
---|
954 | } |
---|
955 | |
---|
956 | void Renderer::setEphemerisTime(int year, int month, int day, double hours) |
---|
957 | { |
---|
958 | if (_skyNode.valid()) { |
---|
959 | osgEarth::DateTime time(year, month, day, hours); |
---|
960 | _skyNode->setDateTime(time); |
---|
961 | _needsRedraw = true; |
---|
962 | } |
---|
963 | } |
---|
964 | |
---|
965 | void Renderer::setTerrainColor(const osg::Vec4f& color) |
---|
966 | { |
---|
967 | // XXX: Don't know how to change this at runtime without a map reset |
---|
968 | _needsRedraw = true; |
---|
969 | } |
---|
970 | |
---|
971 | void Renderer::setTerrainLighting(bool state) |
---|
972 | { |
---|
973 | if (_skyNode.valid()) { |
---|
974 | _skyNode->setLighting((state ? osg::StateAttribute::ON : osg::StateAttribute::OFF)); |
---|
975 | } else { |
---|
976 | #if 1 |
---|
977 | if (!_mapNode.valid()) { |
---|
978 | ERROR("No map node"); |
---|
979 | return; |
---|
980 | } |
---|
981 | // XXX: HACK alert |
---|
982 | // Find the terrain engine container (might be above one or more decorators) |
---|
983 | osg::Group *group = _mapNode->getTerrainEngine(); |
---|
984 | while (group->getParent(0) != NULL && group->getParent(0) != _mapNode.get()) { |
---|
985 | group = group->getParent(0); |
---|
986 | } |
---|
987 | if (group != NULL && group->getParent(0) == _mapNode.get()) { |
---|
988 | TRACE("Setting terrain lighting: %d", state ? 1 : 0); |
---|
989 | if (group->getOrCreateStateSet()->getUniform("oe_mode_GL_LIGHTING") != NULL) { |
---|
990 | group->getStateSet()->getUniform("oe_mode_GL_LIGHTING")->set(state); |
---|
991 | } else { |
---|
992 | ERROR("Can't get terrain lighting uniform"); |
---|
993 | } |
---|
994 | } else { |
---|
995 | ERROR("Can't find terrain engine container"); |
---|
996 | } |
---|
997 | #else |
---|
998 | if (_stateManip.valid()) { |
---|
999 | _stateManip->setLightingEnabled(state); |
---|
1000 | } |
---|
1001 | #endif |
---|
1002 | } |
---|
1003 | _needsRedraw = true; |
---|
1004 | } |
---|
1005 | |
---|
1006 | void Renderer::setTerrainWireframe(bool state) |
---|
1007 | { |
---|
1008 | if (!_map.valid()) { |
---|
1009 | ERROR("No map"); |
---|
1010 | return; |
---|
1011 | } |
---|
1012 | #if 0 |
---|
1013 | if (!_mapNode.valid()) { |
---|
1014 | ERROR("No map node"); |
---|
1015 | return; |
---|
1016 | } |
---|
1017 | TRACE("Setting terrain wireframe: %d", state ? 1 : 0); |
---|
1018 | osg::StateSet *state = _mapNode->getOrCreateStateSet(); |
---|
1019 | osg::PolygonMode *pmode = dynamic_cast< osg::PolygonMode* >(state->getAttribute(osg::StateAttribute::POLYGONMODE)); |
---|
1020 | if (pmode == NULL) { |
---|
1021 | pmode = new osg::PolygonMode; |
---|
1022 | state->setAttribute(pmode); |
---|
1023 | } |
---|
1024 | if (state) { |
---|
1025 | pmode->setMode(osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::LINE); |
---|
1026 | } else { |
---|
1027 | pmode->setMode(osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::FILL); |
---|
1028 | } |
---|
1029 | _needsRedraw = true; |
---|
1030 | #else |
---|
1031 | if (_stateManip.valid()) { |
---|
1032 | _stateManip->setPolygonMode(state ? osg::PolygonMode::LINE : osg::PolygonMode::FILL); |
---|
1033 | _needsRedraw = true; |
---|
1034 | } |
---|
1035 | #endif |
---|
1036 | } |
---|
1037 | |
---|
1038 | void Renderer::saveNamedViewpoint(const char *name) |
---|
1039 | { |
---|
1040 | _viewpoints[name] = getViewpoint(); |
---|
1041 | } |
---|
1042 | |
---|
1043 | bool Renderer::removeNamedViewpoint(const char *name) |
---|
1044 | { |
---|
1045 | ViewpointHashmap::iterator itr = _viewpoints.find(name); |
---|
1046 | if (itr != _viewpoints.end()) { |
---|
1047 | _viewpoints.erase(name); |
---|
1048 | return true; |
---|
1049 | } else { |
---|
1050 | ERROR("Unknown viewpoint: '%s'", name); |
---|
1051 | return false; |
---|
1052 | } |
---|
1053 | } |
---|
1054 | |
---|
1055 | bool Renderer::restoreNamedViewpoint(const char *name, double durationSecs) |
---|
1056 | { |
---|
1057 | ViewpointHashmap::iterator itr = _viewpoints.find(name); |
---|
1058 | if (itr != _viewpoints.end()) { |
---|
1059 | setViewpoint(itr->second, durationSecs); |
---|
1060 | return true; |
---|
1061 | } else { |
---|
1062 | ERROR("Unknown viewpoint: '%s'", name); |
---|
1063 | return false; |
---|
1064 | } |
---|
1065 | } |
---|
1066 | |
---|
1067 | void Renderer::setViewpoint(const osgEarth::Viewpoint& v, double durationSecs) |
---|
1068 | { |
---|
1069 | if (_manipulator.valid()) { |
---|
1070 | TRACE("Setting viewpoint: %g %g %g %g %g %g", |
---|
1071 | v.focalPoint()->x(), v.focalPoint()->y(), v.focalPoint()->z(), |
---|
1072 | v.heading()->as(osgEarth::Units::DEGREES), |
---|
1073 | v.pitch()->as(osgEarth::Units::DEGREES), |
---|
1074 | v.range()->as(osgEarth::Units::METERS)); |
---|
1075 | _manipulator->setViewpoint(v, durationSecs); |
---|
1076 | _needsRedraw = true; |
---|
1077 | } else { |
---|
1078 | ERROR("No manipulator"); |
---|
1079 | } |
---|
1080 | } |
---|
1081 | |
---|
1082 | osgEarth::Viewpoint Renderer::getViewpoint() |
---|
1083 | { |
---|
1084 | if (_manipulator.valid()) { |
---|
1085 | return _manipulator->getViewpoint(); |
---|
1086 | } else { |
---|
1087 | // Uninitialized, invalid viewpoint |
---|
1088 | return osgEarth::Viewpoint(); |
---|
1089 | } |
---|
1090 | } |
---|
1091 | |
---|
1092 | static void srsInfo(const osgEarth::SpatialReference *srs) |
---|
1093 | { |
---|
1094 | TRACE("SRS: %s", srs->getName().c_str()); |
---|
1095 | TRACE("horiz: \"%s\" vert: \"%s\"", srs->getHorizInitString().c_str(), srs->getVertInitString().c_str()); |
---|
1096 | TRACE("geographic: %d geodetic: %d projected: %d ecef: %d mercator: %d spherical mercator: %d northpolar: %d southpolar: %d userdefined: %d contiguous: %d cube: %d ltp: %d plate_carre: %d", |
---|
1097 | srs->isGeographic() ? 1 : 0, |
---|
1098 | srs->isGeodetic() ? 1 : 0, |
---|
1099 | srs->isProjected() ? 1 : 0, |
---|
1100 | srs->isECEF() ? 1 : 0, |
---|
1101 | srs->isMercator() ? 1 : 0, |
---|
1102 | srs->isSphericalMercator() ? 1 : 0, |
---|
1103 | srs->isNorthPolar() ? 1 : 0, |
---|
1104 | srs->isSouthPolar() ? 1 : 0, |
---|
1105 | srs->isUserDefined() ? 1 : 0, |
---|
1106 | srs->isContiguous() ? 1 : 0, |
---|
1107 | srs->isCube() ? 1 : 0, |
---|
1108 | srs->isLTP() ? 1 : 0, |
---|
1109 | srs->isPlateCarre() ? 1 : 0); |
---|
1110 | } |
---|
1111 | |
---|
1112 | bool Renderer::getWorldCoords(const osgEarth::GeoPoint& mapPt, osg::Vec3d *world) |
---|
1113 | { |
---|
1114 | if (!_mapNode.valid() || _mapNode->getTerrain() == NULL) { |
---|
1115 | ERROR("No map"); |
---|
1116 | return false; |
---|
1117 | } |
---|
1118 | TRACE("Input SRS:"); |
---|
1119 | srsInfo(mapPt.getSRS()); |
---|
1120 | TRACE("Map SRS:"); |
---|
1121 | srsInfo(_mapNode->getMapSRS()); |
---|
1122 | bool ret = mapPt.toWorld(*world, _mapNode->getTerrain()); |
---|
1123 | TRACE("In: %g,%g,%g Out: %g,%g,%g", |
---|
1124 | mapPt.x(), mapPt.y(), mapPt.z(), |
---|
1125 | world->x(), world->y(), world->z()); |
---|
1126 | return ret; |
---|
1127 | } |
---|
1128 | |
---|
1129 | bool Renderer::worldToScreen(const osg::Vec3d& world, osg::Vec3d *screen, bool invertY) |
---|
1130 | { |
---|
1131 | if (!_viewer.valid()) { |
---|
1132 | ERROR("No viewer"); |
---|
1133 | return false; |
---|
1134 | } |
---|
1135 | osg::Camera *cam = _viewer->getCamera(); |
---|
1136 | osg::Matrixd MVP = cam->getViewMatrix() * cam->getProjectionMatrix(); |
---|
1137 | // Get clip coords |
---|
1138 | osg::Vec4d pt; |
---|
1139 | pt = osg::Vec4d(world, 1.0) * MVP; |
---|
1140 | // Clip |
---|
1141 | if (pt.x() < -pt.w() || |
---|
1142 | pt.x() > pt.w() || |
---|
1143 | pt.y() < -pt.w() || |
---|
1144 | pt.y() > pt.w() || |
---|
1145 | pt.z() < -pt.w() || |
---|
1146 | pt.z() > pt.w()) { |
---|
1147 | // Outside frustum |
---|
1148 | TRACE("invalid pt: %g,%g,%g,%g", pt.x(), pt.y(), pt.z(), pt.w()); |
---|
1149 | return false; |
---|
1150 | } |
---|
1151 | TRACE("clip pt: %g,%g,%g,%g", pt.x(), pt.y(), pt.z(), pt.w()); |
---|
1152 | // Perspective divide: now NDC |
---|
1153 | pt /= pt.w(); |
---|
1154 | const osg::Viewport *viewport = cam->getViewport(); |
---|
1155 | #if 1 |
---|
1156 | screen->x() = viewport->x() + viewport->width() * 0.5 + pt.x() * viewport->width() * 0.5; |
---|
1157 | screen->y() = viewport->y() + viewport->height() * 0.5 + pt.y() * viewport->height() * 0.5; |
---|
1158 | //double near = 0; |
---|
1159 | //double far = 1; |
---|
1160 | //screen->z() = (far + near) * 0.5 + (far - near) * 0.5 * pt.z(); |
---|
1161 | screen->z() = 0.5 + 0.5 * pt.z(); |
---|
1162 | #else |
---|
1163 | *screen = osg::Vec3d(pt.x(), pt.y(), pt.z()) * cam->getViewport()->computeWindowMatrix(); |
---|
1164 | #endif |
---|
1165 | if (invertY) { |
---|
1166 | screen->y() = viewport->height() - screen->y(); |
---|
1167 | } |
---|
1168 | TRACE("screen: %g,%g,%g", screen->x(), screen->y(), screen->z()); |
---|
1169 | return true; |
---|
1170 | } |
---|
1171 | |
---|
1172 | bool Renderer::worldToScreen(std::vector<osg::Vec3d>& coords, bool invertY) |
---|
1173 | { |
---|
1174 | if (!_viewer.valid()) { |
---|
1175 | ERROR("No viewer"); |
---|
1176 | return false; |
---|
1177 | } |
---|
1178 | bool ret = true; |
---|
1179 | osg::Camera *cam = _viewer->getCamera(); |
---|
1180 | osg::Matrixd MVP = cam->getViewMatrix() * cam->getProjectionMatrix(); |
---|
1181 | const osg::Viewport *viewport = cam->getViewport(); |
---|
1182 | for (std::vector<osg::Vec3d>::iterator itr = coords.begin(); |
---|
1183 | itr != coords.end(); ++itr) { |
---|
1184 | // Get clip coords |
---|
1185 | osg::Vec4d pt; |
---|
1186 | pt = osg::Vec4d(*itr, 1.0) * MVP; |
---|
1187 | // Clip |
---|
1188 | if (pt.x() < -pt.w() || |
---|
1189 | pt.x() > pt.w() || |
---|
1190 | pt.y() < -pt.w() || |
---|
1191 | pt.y() > pt.w() || |
---|
1192 | pt.z() < -pt.w() || |
---|
1193 | pt.z() > pt.w()) { |
---|
1194 | // Outside frustum |
---|
1195 | TRACE("invalid pt: %g,%g,%g,%g", pt.x(), pt.y(), pt.z(), pt.w()); |
---|
1196 | itr->set(std::numeric_limits<double>::quiet_NaN(), |
---|
1197 | std::numeric_limits<double>::quiet_NaN(), |
---|
1198 | std::numeric_limits<double>::quiet_NaN()); |
---|
1199 | ret = false; |
---|
1200 | continue; |
---|
1201 | } |
---|
1202 | TRACE("clip pt: %g,%g,%g,%g", pt.x(), pt.y(), pt.z(), pt.w()); |
---|
1203 | // Perspective divide: now NDC |
---|
1204 | pt /= pt.w(); |
---|
1205 | #if 1 |
---|
1206 | itr->x() = viewport->x() + viewport->width() * 0.5 + pt.x() * viewport->width() * 0.5; |
---|
1207 | itr->y() = viewport->y() + viewport->height() * 0.5 + pt.y() * viewport->height() * 0.5; |
---|
1208 | //double near = 0; |
---|
1209 | //double far = 1; |
---|
1210 | //itr->z() = (far + near) * 0.5 + (far - near) * 0.5 * pt.z(); |
---|
1211 | itr->z() = 0.5 + 0.5 * pt.z(); |
---|
1212 | #else |
---|
1213 | *itr = osg::Vec3d(pt.x(), pt.y(), pt.z()) * viewport->computeWindowMatrix(); |
---|
1214 | #endif |
---|
1215 | if (invertY) { |
---|
1216 | itr->y() = viewport->height() - itr->y(); |
---|
1217 | } |
---|
1218 | TRACE("screen: %g,%g,%g", itr->x(), itr->y(), itr->z()); |
---|
1219 | } |
---|
1220 | return ret; |
---|
1221 | } |
---|
1222 | |
---|
1223 | bool Renderer::mouseToLatLong(int mouseX, int mouseY, |
---|
1224 | double *latitude, double *longitude) |
---|
1225 | { |
---|
1226 | if (getMapSRS() == NULL) |
---|
1227 | return false; |
---|
1228 | const osgEarth::SpatialReference *outSRS = |
---|
1229 | getMapSRS()->getGeographicSRS(); |
---|
1230 | if (outSRS == NULL) |
---|
1231 | return false; |
---|
1232 | osgEarth::GeoPoint mapPoint; |
---|
1233 | if (mapMouseCoords(mouseX, mouseY, mapPoint)) { |
---|
1234 | mapPoint = mapPoint.transform(outSRS); |
---|
1235 | *longitude = mapPoint.x(); |
---|
1236 | *latitude = mapPoint.y(); |
---|
1237 | return true; |
---|
1238 | } else { |
---|
1239 | return false; |
---|
1240 | } |
---|
1241 | } |
---|
1242 | #if 0 |
---|
1243 | bool Renderer::mapToLatLong(osgEarth::GeoPoint& mapPoint) |
---|
1244 | { |
---|
1245 | if (getMapSRS() == NULL) |
---|
1246 | return false; |
---|
1247 | const osgEarth::SpatialReference *outSRS = |
---|
1248 | getMapSRS()->getGeographicSRS(); |
---|
1249 | if (outSRS == NULL) |
---|
1250 | return false; |
---|
1251 | mapPoint = mapPoint.transform(outSRS); |
---|
1252 | return true; |
---|
1253 | } |
---|
1254 | #endif |
---|
1255 | /** |
---|
1256 | * \brief Map screen mouse coordinates to map coordinates |
---|
1257 | * |
---|
1258 | * This method assumes that mouse Y coordinates are 0 at the top |
---|
1259 | * of the screen and increase going down if invertY is set, and |
---|
1260 | * 0 at the bottom and increase going up otherwise. |
---|
1261 | */ |
---|
1262 | bool Renderer::mapMouseCoords(float mouseX, float mouseY, |
---|
1263 | osgEarth::GeoPoint& map, bool invertY) |
---|
1264 | { |
---|
1265 | if (!_mapNode.valid() || _mapNode->getTerrain() == NULL) { |
---|
1266 | ERROR("No map"); |
---|
1267 | return false; |
---|
1268 | } |
---|
1269 | if (!_viewer.valid()) { |
---|
1270 | ERROR("No viewer"); |
---|
1271 | return false; |
---|
1272 | } |
---|
1273 | if (invertY) { |
---|
1274 | mouseY = ((float)_windowHeight - mouseY); |
---|
1275 | } |
---|
1276 | osg::Vec3d world; |
---|
1277 | if (_mapNode->getTerrain()->getWorldCoordsUnderMouse(_viewer->asView(), mouseX, mouseY, world)) { |
---|
1278 | map.fromWorld(getMapSRS(), world); |
---|
1279 | return true; |
---|
1280 | } |
---|
1281 | return false; |
---|
1282 | } |
---|
1283 | |
---|
1284 | bool Renderer::addImageLayer(const char *name, |
---|
1285 | osgEarth::TileSourceOptions& opts, |
---|
1286 | bool enableCache, |
---|
1287 | bool coverage, |
---|
1288 | bool makeShared, |
---|
1289 | bool visible, |
---|
1290 | unsigned int minLOD, unsigned int maxLOD) |
---|
1291 | { |
---|
1292 | if (!_map.valid()) { |
---|
1293 | ERROR("No map"); |
---|
1294 | return false; |
---|
1295 | } |
---|
1296 | TRACE("layer: %s", name); |
---|
1297 | if (!opts.tileSize().isSet()) { |
---|
1298 | opts.tileSize() = 256; |
---|
1299 | } |
---|
1300 | osgEarth::ImageLayerOptions layerOpts(name, opts); |
---|
1301 | layerOpts.textureCompression() = osg::Texture::USE_IMAGE_DATA_FORMAT; |
---|
1302 | if (coverage) { |
---|
1303 | layerOpts.coverage() = true; |
---|
1304 | } |
---|
1305 | if (makeShared) { |
---|
1306 | layerOpts.shared() = true; |
---|
1307 | } |
---|
1308 | if (!enableCache) { |
---|
1309 | TRACE("Disabling cache for layer %s", name); |
---|
1310 | layerOpts.cachePolicy() = osgEarth::CachePolicy(osgEarth::CachePolicy::USAGE_NO_CACHE); |
---|
1311 | } |
---|
1312 | if (!visible) { |
---|
1313 | layerOpts.visible() = false; |
---|
1314 | } |
---|
1315 | layerOpts.minLevel() = minLOD; |
---|
1316 | layerOpts.maxLevel() = maxLOD; |
---|
1317 | osg::ref_ptr<osgEarth::ImageLayer> layer = new osgEarth::ImageLayer(layerOpts); |
---|
1318 | _map->addImageLayer(layer.get()); |
---|
1319 | if (layer->getTileSource() == NULL || !layer->getTileSource()->isOK()) { |
---|
1320 | ERROR("Failed to add image layer: %s", name); |
---|
1321 | _map->removeImageLayer(layer.get()); |
---|
1322 | return false; |
---|
1323 | } |
---|
1324 | _needsRedraw = true; |
---|
1325 | return true; |
---|
1326 | } |
---|
1327 | |
---|
1328 | void Renderer::addColorFilter(const char *name, |
---|
1329 | const char *shader) |
---|
1330 | { |
---|
1331 | if (!_map.valid()) { |
---|
1332 | ERROR("No map"); |
---|
1333 | return; |
---|
1334 | } |
---|
1335 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1336 | if (layer == NULL) { |
---|
1337 | TRACE("Image layer not found: %s", name); |
---|
1338 | return; |
---|
1339 | } |
---|
1340 | osgEarth::Util::GLSLColorFilter *filter = new osgEarth::Util::GLSLColorFilter; |
---|
1341 | filter->setCode(shader); |
---|
1342 | //filter->setCode("color.rgb = color.r > 0.5 ? vec3(1.0) : vec3(0.0);"); |
---|
1343 | layer->addColorFilter(filter); |
---|
1344 | _needsRedraw = true; |
---|
1345 | } |
---|
1346 | |
---|
1347 | void Renderer::removeColorFilter(const char *name, int idx) |
---|
1348 | { |
---|
1349 | if (!_map.valid()) { |
---|
1350 | ERROR("No map"); |
---|
1351 | return; |
---|
1352 | } |
---|
1353 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1354 | if (layer == NULL) { |
---|
1355 | TRACE("Image layer not found: %s", name); |
---|
1356 | return; |
---|
1357 | } |
---|
1358 | if (idx < 0) { |
---|
1359 | while (!layer->getColorFilters().empty()) { |
---|
1360 | layer->removeColorFilter(layer->getColorFilters()[0]); |
---|
1361 | } |
---|
1362 | } else { |
---|
1363 | layer->removeColorFilter(layer->getColorFilters().at(idx)); |
---|
1364 | } |
---|
1365 | _needsRedraw = true; |
---|
1366 | } |
---|
1367 | |
---|
1368 | void Renderer::removeImageLayer(const char *name) |
---|
1369 | { |
---|
1370 | if (!_map.valid()) { |
---|
1371 | ERROR("No map"); |
---|
1372 | return; |
---|
1373 | } |
---|
1374 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1375 | if (layer != NULL) { |
---|
1376 | _map->removeImageLayer(layer); |
---|
1377 | _needsRedraw = true; |
---|
1378 | } else { |
---|
1379 | TRACE("Image layer not found: %s", name); |
---|
1380 | } |
---|
1381 | } |
---|
1382 | |
---|
1383 | void Renderer::moveImageLayer(const char *name, unsigned int pos) |
---|
1384 | { |
---|
1385 | if (!_map.valid()) { |
---|
1386 | ERROR("No map"); |
---|
1387 | return; |
---|
1388 | } |
---|
1389 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1390 | if (layer != NULL) { |
---|
1391 | _map->moveImageLayer(layer, pos); |
---|
1392 | _needsRedraw = true; |
---|
1393 | } else { |
---|
1394 | TRACE("Image layer not found: %s", name); |
---|
1395 | } |
---|
1396 | } |
---|
1397 | |
---|
1398 | void Renderer::setImageLayerOpacity(const char *name, double opacity) |
---|
1399 | { |
---|
1400 | if (!_map.valid()) { |
---|
1401 | ERROR("No map"); |
---|
1402 | return; |
---|
1403 | } |
---|
1404 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1405 | if (layer != NULL) { |
---|
1406 | layer->setOpacity(opacity); |
---|
1407 | _needsRedraw = true; |
---|
1408 | } else { |
---|
1409 | TRACE("Image layer not found: %s", name); |
---|
1410 | } |
---|
1411 | } |
---|
1412 | |
---|
1413 | void Renderer::setImageLayerVisibleRange(const char *name, float min, float max) |
---|
1414 | { |
---|
1415 | if (!_map.valid()) { |
---|
1416 | ERROR("No map"); |
---|
1417 | return; |
---|
1418 | } |
---|
1419 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1420 | if (layer != NULL) { |
---|
1421 | layer->setMinVisibleRange(min); |
---|
1422 | layer->setMaxVisibleRange(max); |
---|
1423 | _needsRedraw = true; |
---|
1424 | } else { |
---|
1425 | TRACE("Image layer not found: %s", name); |
---|
1426 | } |
---|
1427 | } |
---|
1428 | |
---|
1429 | void Renderer::setImageLayerVisibility(const char *name, bool state) |
---|
1430 | { |
---|
1431 | if (!_map.valid()) { |
---|
1432 | ERROR("No map"); |
---|
1433 | return; |
---|
1434 | } |
---|
1435 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1436 | if (layer != NULL) { |
---|
1437 | layer->setVisible(state); |
---|
1438 | _needsRedraw = true; |
---|
1439 | } else { |
---|
1440 | TRACE("Image layer not found: %s", name); |
---|
1441 | } |
---|
1442 | } |
---|
1443 | |
---|
1444 | void Renderer::addElevationLayer(const char *name, |
---|
1445 | osgEarth::TileSourceOptions& opts, |
---|
1446 | bool enableCache, |
---|
1447 | bool visible, |
---|
1448 | unsigned int minLOD, unsigned int maxLOD) |
---|
1449 | { |
---|
1450 | if (!_map.valid()) { |
---|
1451 | ERROR("No map"); |
---|
1452 | return; |
---|
1453 | } |
---|
1454 | TRACE("layer: %s", name); |
---|
1455 | if (!opts.tileSize().isSet()) { |
---|
1456 | opts.tileSize() = 17; |
---|
1457 | } |
---|
1458 | osgEarth::ElevationLayerOptions layerOpts(name, opts); |
---|
1459 | if (!enableCache) { |
---|
1460 | layerOpts.cachePolicy() = osgEarth::CachePolicy(osgEarth::CachePolicy::USAGE_NO_CACHE); |
---|
1461 | } |
---|
1462 | if (!visible) { |
---|
1463 | layerOpts.visible() = false; |
---|
1464 | } |
---|
1465 | layerOpts.minLevel() = minLOD; |
---|
1466 | layerOpts.maxLevel() = maxLOD; |
---|
1467 | // XXX: GDAL does not report vertical datum, it should be specified here |
---|
1468 | // Common options: geodetic (default), egm96, egm84, egm2008 |
---|
1469 | //layerOpts.verticalDatum() = "egm96"; |
---|
1470 | _map->addElevationLayer(new osgEarth::ElevationLayer(layerOpts)); |
---|
1471 | _needsRedraw = true; |
---|
1472 | } |
---|
1473 | |
---|
1474 | void Renderer::removeElevationLayer(const char *name) |
---|
1475 | { |
---|
1476 | if (!_map.valid()) { |
---|
1477 | ERROR("No map"); |
---|
1478 | return; |
---|
1479 | } |
---|
1480 | osgEarth::ElevationLayer *layer = _map->getElevationLayerByName(name); |
---|
1481 | if (layer != NULL) { |
---|
1482 | _map->removeElevationLayer(layer); |
---|
1483 | _needsRedraw = true; |
---|
1484 | } else { |
---|
1485 | TRACE("Elevation layer not found: %s", name); |
---|
1486 | } |
---|
1487 | } |
---|
1488 | |
---|
1489 | void Renderer::moveElevationLayer(const char *name, unsigned int pos) |
---|
1490 | { |
---|
1491 | if (!_map.valid()) { |
---|
1492 | ERROR("No map"); |
---|
1493 | return; |
---|
1494 | } |
---|
1495 | osgEarth::ElevationLayer *layer = _map->getElevationLayerByName(name); |
---|
1496 | if (layer != NULL) { |
---|
1497 | _map->moveElevationLayer(layer, pos); |
---|
1498 | _needsRedraw = true; |
---|
1499 | } else { |
---|
1500 | TRACE("Elevation layer not found: %s", name); |
---|
1501 | } |
---|
1502 | } |
---|
1503 | |
---|
1504 | void Renderer::setElevationLayerVisibility(const char *name, bool state) |
---|
1505 | { |
---|
1506 | if (!_map.valid()) { |
---|
1507 | ERROR("No map"); |
---|
1508 | return; |
---|
1509 | } |
---|
1510 | osgEarth::ElevationLayer *layer = _map->getElevationLayerByName(name); |
---|
1511 | if (layer != NULL) { |
---|
1512 | layer->setVisible(state); |
---|
1513 | _needsRedraw = true; |
---|
1514 | } else { |
---|
1515 | TRACE("Elevation layer not found: %s", name); |
---|
1516 | } |
---|
1517 | } |
---|
1518 | |
---|
1519 | void Renderer::initAnnotations() |
---|
1520 | { |
---|
1521 | if (!_annotations.valid()) { |
---|
1522 | _annotations = new osg::Group(); |
---|
1523 | _annotations->setName("Annotations"); |
---|
1524 | _sceneRoot->addChild(_annotations.get()); |
---|
1525 | _placeNodes = new osg::Group(); |
---|
1526 | _placeNodes->setName("Place Nodes"); |
---|
1527 | osgEarth::Decluttering::setEnabled(_placeNodes->getOrCreateStateSet(), true); |
---|
1528 | _annotations->addChild(_placeNodes.get()); |
---|
1529 | if (_picker.valid()) { |
---|
1530 | _picker->addChild(_placeNodes.get()); |
---|
1531 | } |
---|
1532 | } |
---|
1533 | } |
---|
1534 | |
---|
1535 | void Renderer::setSelectMode(SelectMode mode) |
---|
1536 | { |
---|
1537 | _selectMode = mode; |
---|
1538 | switch (_selectMode) { |
---|
1539 | case SELECT_OFF: { |
---|
1540 | #ifdef USE_RTT_PICKER |
---|
1541 | if (_picker.valid()) { |
---|
1542 | _viewer->removeEventHandler(_picker.get()); |
---|
1543 | _picker = NULL; |
---|
1544 | } |
---|
1545 | #endif |
---|
1546 | } |
---|
1547 | break; |
---|
1548 | case SELECT_ON: { |
---|
1549 | #ifdef USE_RTT_PICKER |
---|
1550 | if (!_picker.valid()) { |
---|
1551 | _picker = new osgEarth::Util::RTTPicker; |
---|
1552 | _picker->addChild(_mapNode); |
---|
1553 | osg::ref_ptr<SelectCallback> callback = new SelectCallback(this); |
---|
1554 | _picker->setDefaultCallback(callback.get()); |
---|
1555 | _viewer->addEventHandler(_picker.get()); |
---|
1556 | } |
---|
1557 | #endif |
---|
1558 | } |
---|
1559 | break; |
---|
1560 | default: |
---|
1561 | ERROR("Unknown select mode"); |
---|
1562 | } |
---|
1563 | } |
---|
1564 | |
---|
1565 | void Renderer::setPlacardConfig(const Placard& placardConf, const char *layerName) |
---|
1566 | { |
---|
1567 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(layerName); |
---|
1568 | if (layer == NULL) { |
---|
1569 | ERROR("Unknown layer '%s'", layerName); |
---|
1570 | return; |
---|
1571 | } |
---|
1572 | //PlacardNode *node; |
---|
1573 | //node->setConfig(placardConf); |
---|
1574 | _placardConfigs[layerName] = placardConf; |
---|
1575 | } |
---|
1576 | |
---|
1577 | void Renderer::deselectFeatures(std::vector<unsigned long>& featureIDs, const char *layerName) |
---|
1578 | { |
---|
1579 | TRACE("Deselect features layer '%s', num features: %u", layerName, featureIDs.size()); |
---|
1580 | for (unsigned int i = 0; i < featureIDs.size(); i++) { |
---|
1581 | _selectedFeatures[layerName].erase(featureIDs.at(i)); |
---|
1582 | } |
---|
1583 | FeatureSelectionHashmap::iterator itr = _selectedFeatures.find(layerName); |
---|
1584 | if (itr != _selectedFeatures.end()) { |
---|
1585 | for (FeatureSelectionHashmap::mapped_type::iterator fitr = itr->second.begin(); |
---|
1586 | fitr != itr->second.end(); ++fitr) { |
---|
1587 | TRACE("Selection: %lu", *fitr); |
---|
1588 | } |
---|
1589 | } else { |
---|
1590 | TRACE("No selection"); |
---|
1591 | } |
---|
1592 | } |
---|
1593 | |
---|
1594 | void Renderer::selectFeatures(std::vector<unsigned long>& featureIDs, const char *layerName, bool clear) |
---|
1595 | { |
---|
1596 | TRACE("Select layer '%s', num features: %u", layerName, featureIDs.size()); |
---|
1597 | if (clear) { |
---|
1598 | clearSelection(); |
---|
1599 | _selectedFeatures.clear(); |
---|
1600 | } |
---|
1601 | if (featureIDs.size() == 0) { |
---|
1602 | // clear selection |
---|
1603 | return; |
---|
1604 | } |
---|
1605 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(layerName); |
---|
1606 | if (layer == NULL) { |
---|
1607 | ERROR("Unknown layer '%s'", layerName); |
---|
1608 | return; |
---|
1609 | } |
---|
1610 | for (unsigned int i = 0; i < featureIDs.size(); i++) { |
---|
1611 | TRACE("feature ID: %u", featureIDs.at(i)); |
---|
1612 | _selectedFeatures[layerName].insert(featureIDs.at(i)); |
---|
1613 | } |
---|
1614 | FeatureSelectionHashmap::iterator itr = _selectedFeatures.find(layerName); |
---|
1615 | if (itr != _selectedFeatures.end()) { |
---|
1616 | for (FeatureSelectionHashmap::mapped_type::iterator fitr = itr->second.begin(); |
---|
1617 | fitr != itr->second.end(); ++fitr) { |
---|
1618 | TRACE("Selection: %lu", *fitr); |
---|
1619 | } |
---|
1620 | } else { |
---|
1621 | TRACE("No selection"); |
---|
1622 | } |
---|
1623 | unsigned long fid = featureIDs.at(0); |
---|
1624 | |
---|
1625 | osgEarth::ModelSource *modelSource = layer->getModelSource(); |
---|
1626 | osgEarth::Features::FeatureModelSource *fms = dynamic_cast<osgEarth::Features::FeatureModelSource *>(modelSource); |
---|
1627 | if (fms != NULL) { |
---|
1628 | osgEarth::Features::FeatureSource *fs = fms->getFeatureSource(); |
---|
1629 | FindFeatureSourceIndexNodeVisitor visitor; |
---|
1630 | visitor.source = fs; |
---|
1631 | _sceneRoot->accept(visitor); |
---|
1632 | TRACE("Num FeatureSourceIndexNodes found: %lu", visitor.nodes.size()); |
---|
1633 | for (size_t i = 0; i < visitor.nodes.size(); i++) { |
---|
1634 | osgEarth::Features::FeatureIndex *index = visitor.nodes[i]->getIndex(); |
---|
1635 | #if OSGEARTH_MIN_VERSION_REQUIRED(3, 0, 0) |
---|
1636 | osgEarth::ObjectID id = index->getObjectID(fid); |
---|
1637 | #if 0 |
---|
1638 | osgEarth::Features::Feature *feature = index->getFeature(id); |
---|
1639 | if (feature) { |
---|
1640 | // Find feature centroid |
---|
1641 | osgEarth::GeoPoint location; |
---|
1642 | if (feature->getGeometry()) { |
---|
1643 | osg::BoundingSphered bound; |
---|
1644 | feature->getWorldBound(getMapSRS(), bound); |
---|
1645 | location.set(getMapSRS(), bound.center(), |
---|
1646 | osgEarth::ALTMODE_ABSOLUTE); |
---|
1647 | } |
---|
1648 | addPlacard(location, feature, layerName); |
---|
1649 | } |
---|
1650 | #endif |
---|
1651 | setHighlightByObjectID(id); |
---|
1652 | TRACE("FID %lu = OID %d", fid, id); |
---|
1653 | #endif |
---|
1654 | } |
---|
1655 | _needsRedraw = true; |
---|
1656 | } |
---|
1657 | } |
---|
1658 | |
---|
1659 | void Renderer::addPlacard(const osgEarth::GeoPoint& location, |
---|
1660 | osgEarth::Features::Feature *feature, |
---|
1661 | const char *layerName) |
---|
1662 | { |
---|
1663 | if (feature == NULL) return; |
---|
1664 | |
---|
1665 | const osgEarth::Features::AttributeTable &attrs = feature->getAttrs(); |
---|
1666 | Placard placard = getPlacardConfig(layerName); |
---|
1667 | if (placard.getNumEntries() == 0) { |
---|
1668 | placard.addAllAttributes(attrs); |
---|
1669 | } |
---|
1670 | PlacardNode *label = |
---|
1671 | new PlacardNode(_mapNode.get(), location, placard, attrs); |
---|
1672 | label->getOrCreateStateSet()->setRenderBinDetails(INT_MAX, "RenderBin"); |
---|
1673 | getAnnotations()->addChild(label); |
---|
1674 | } |
---|
1675 | |
---|
1676 | void Renderer::clearSelection() |
---|
1677 | { |
---|
1678 | clearHighlight(); |
---|
1679 | clearSelectionAnnotationNodes(); |
---|
1680 | clearBoxSelection(); |
---|
1681 | _needsRedraw = true; |
---|
1682 | } |
---|
1683 | |
---|
1684 | /** |
---|
1685 | * \brief Remove annotation nodes created during a pick/selection |
---|
1686 | * |
---|
1687 | * The primary purpose of this method is to take down the feature placard |
---|
1688 | */ |
---|
1689 | void Renderer::clearSelectionAnnotationNodes() |
---|
1690 | { |
---|
1691 | osg::Group *nodes = getAnnotations(); |
---|
1692 | std::vector<osg::Node *> toRemove; |
---|
1693 | for (unsigned int i = 0; i < nodes->getNumChildren(); i++) { |
---|
1694 | osg::Node *node = nodes->getChild(i); |
---|
1695 | // This can be Placard, PlacardLabel, Label, Place or Track Node |
---|
1696 | if (dynamic_cast<osgEarth::Annotation::OrthoNode *>(node) != NULL) { |
---|
1697 | toRemove.push_back(node); |
---|
1698 | } |
---|
1699 | } |
---|
1700 | for (std::vector<osg::Node *>::iterator itr = toRemove.begin(); |
---|
1701 | itr != toRemove.end(); ++itr) { |
---|
1702 | nodes->removeChild(*itr); |
---|
1703 | } |
---|
1704 | _needsRedraw = true; |
---|
1705 | } |
---|
1706 | |
---|
1707 | void Renderer::initBoxSelection(int x, int y) |
---|
1708 | { |
---|
1709 | double latitude, longitude; |
---|
1710 | if (!mouseToLatLong(x, y, &latitude, &longitude)) { |
---|
1711 | return; |
---|
1712 | } |
---|
1713 | _anchorLat = latitude; |
---|
1714 | _anchorLong = longitude; |
---|
1715 | addRhumbBox(latitude, latitude, longitude, longitude); |
---|
1716 | } |
---|
1717 | |
---|
1718 | void Renderer::updateBoxSelection(int x, int y) |
---|
1719 | { |
---|
1720 | double nlat, nlong; |
---|
1721 | if (!mouseToLatLong(x, y, &nlat, &nlong)) { |
---|
1722 | return; |
---|
1723 | } |
---|
1724 | double latMin, latMax, longMin, longMax; |
---|
1725 | if (nlong >= _anchorLong && nlat >= _anchorLat) { |
---|
1726 | // +x +y |
---|
1727 | longMin = _anchorLong; |
---|
1728 | latMin = _anchorLat; |
---|
1729 | longMax = nlong; |
---|
1730 | latMax = nlat; |
---|
1731 | } else if (nlong < _anchorLong && nlat >= _anchorLat) { |
---|
1732 | // -x +y |
---|
1733 | longMin = nlong; |
---|
1734 | latMin = _anchorLat; |
---|
1735 | longMax = _anchorLong; |
---|
1736 | latMax = nlat; |
---|
1737 | } else if (nlong < _anchorLong && nlat < _anchorLat) { |
---|
1738 | // -x -y |
---|
1739 | longMin = nlong; |
---|
1740 | latMin = nlat; |
---|
1741 | longMax = _anchorLong; |
---|
1742 | latMax = _anchorLat; |
---|
1743 | } else { |
---|
1744 | // +x -y |
---|
1745 | longMin = _anchorLong; |
---|
1746 | latMin = nlat; |
---|
1747 | longMax = nlong; |
---|
1748 | latMax = _anchorLat; |
---|
1749 | } |
---|
1750 | osgEarth::Annotation::FeatureNode *node = _selectionBox.get(); |
---|
1751 | osgEarth::Symbology::Geometry *geom = node->getFeature()->getGeometry(); |
---|
1752 | (*geom)[0] = osg::Vec3d(longMax, latMin, 0); |
---|
1753 | (*geom)[1] = osg::Vec3d(longMin, latMin, 0); |
---|
1754 | (*geom)[2] = osg::Vec3d(longMin, latMax, 0); |
---|
1755 | (*geom)[3] = osg::Vec3d(longMax, latMax, 0); |
---|
1756 | node->init(); |
---|
1757 | for (std::set<osgEarth::Annotation::AnnotationNode *>::iterator itr = _selected.begin(); |
---|
1758 | itr != _selected.end(); ++itr) { |
---|
1759 | (*itr)->clearDecoration(); |
---|
1760 | } |
---|
1761 | _selected.clear(); |
---|
1762 | SelectPlaceNodesVisitor spnv(this, latMin, latMax, longMin, longMax); |
---|
1763 | _sceneRoot->accept(spnv); |
---|
1764 | _needsRedraw = true; |
---|
1765 | } |
---|
1766 | |
---|
1767 | void SelectPlaceNodesVisitor::apply(osg::Node& node) |
---|
1768 | { |
---|
1769 | osgEarth::Annotation::PlaceNode *placeNode = |
---|
1770 | dynamic_cast<osgEarth::Annotation::PlaceNode*>(&node); |
---|
1771 | if (placeNode != NULL) { |
---|
1772 | const osgEarth::SpatialReference *outSRS = |
---|
1773 | _renderer->getMapSRS()->getGeographicSRS(); |
---|
1774 | osgEarth::GeoPoint pt = placeNode->getPosition(); |
---|
1775 | pt = pt.transform(outSRS); |
---|
1776 | if (pt.x() >= _longMin && pt.x() <= _longMax && |
---|
1777 | pt.y() >= _latMin && pt.y() <= _latMax) { |
---|
1778 | if (_renderer->select(placeNode)) { |
---|
1779 | TRACE("Select PlaceNode: %g %g n:'%s' t:'%s'", |
---|
1780 | pt.x(), pt.y(), placeNode->getName().c_str(), |
---|
1781 | placeNode->getText().c_str()); |
---|
1782 | placeNode->setDecoration("select"); |
---|
1783 | } |
---|
1784 | } |
---|
1785 | } |
---|
1786 | traverse(node); |
---|
1787 | } |
---|
1788 | |
---|
1789 | void Renderer::clearBoxSelection() |
---|
1790 | { |
---|
1791 | if (_annotations.valid() && _selectionBox.valid()) { |
---|
1792 | _annotations->removeChild(_selectionBox.get()); |
---|
1793 | _selectionBox = NULL; |
---|
1794 | } |
---|
1795 | for (std::set<osgEarth::Annotation::AnnotationNode *>::iterator itr = _selected.begin(); |
---|
1796 | itr != _selected.end(); ++itr) { |
---|
1797 | (*itr)->clearDecoration(); |
---|
1798 | } |
---|
1799 | _selected.clear(); |
---|
1800 | _needsRedraw = true; |
---|
1801 | } |
---|
1802 | |
---|
1803 | void Renderer::addRhumbBox(double latMin, double latMax, |
---|
1804 | double longMin, double longMax) |
---|
1805 | { |
---|
1806 | if (!_mapNode.valid()) { |
---|
1807 | ERROR("No map node"); |
---|
1808 | return; |
---|
1809 | } |
---|
1810 | initAnnotations(); |
---|
1811 | |
---|
1812 | if (_selectionBox.valid()) { |
---|
1813 | osgEarth::Symbology::Geometry *geom = _selectionBox->getFeature()->getGeometry(); |
---|
1814 | (*geom)[0] = osg::Vec3d(longMax, latMin, 0); |
---|
1815 | (*geom)[1] = osg::Vec3d(longMin, latMin, 0); |
---|
1816 | (*geom)[2] = osg::Vec3d(longMin, latMax, 0); |
---|
1817 | (*geom)[3] = osg::Vec3d(longMax, latMax, 0); |
---|
1818 | _selectionBox->init(); |
---|
1819 | } else { |
---|
1820 | const osgEarth::SpatialReference* geoSRS = _mapNode->getMapSRS()->getGeographicSRS(); |
---|
1821 | osgEarth::Symbology::Geometry *geom = new osgEarth::Symbology::Polygon(); |
---|
1822 | geom->push_back(osg::Vec3d(longMax, latMin, 0)); |
---|
1823 | geom->push_back(osg::Vec3d(longMin, latMin, 0)); |
---|
1824 | geom->push_back(osg::Vec3d(longMin, latMax, 0)); |
---|
1825 | geom->push_back(osg::Vec3d(longMax, latMax, 0)); |
---|
1826 | osgEarth::Symbology::Style boxStyle; |
---|
1827 | #if 1 |
---|
1828 | osgEarth::Symbology::PolygonSymbol *poly = boxStyle.getOrCreate<osgEarth::Symbology::PolygonSymbol>(); |
---|
1829 | poly->fill()->color() = osgEarth::Symbology::Color::Cyan; |
---|
1830 | poly->fill()->color().a() = 0.5; |
---|
1831 | #else |
---|
1832 | osgEarth::Symbology::LineSymbol *line = boxStyle.getOrCreate<osgEarth::Symbology::LineSymbol>(); |
---|
1833 | line->stroke()->color() = osgEarth::Symbology::Color::Yellow; |
---|
1834 | line->stroke()->width() = 2.0f; |
---|
1835 | //line->creaseAngle() = 45.0f; |
---|
1836 | line->tessellation() = 10; |
---|
1837 | #endif |
---|
1838 | osgEarth::Symbology::AltitudeSymbol *alt = boxStyle.getOrCreate<osgEarth::Symbology::AltitudeSymbol>(); |
---|
1839 | alt->clamping() = osgEarth::Symbology::AltitudeSymbol::CLAMP_TO_TERRAIN; |
---|
1840 | //alt->technique() = osgEarth::Symbology::AltitudeSymbol::TECHNIQUE_GPU; |
---|
1841 | alt->technique() = osgEarth::Symbology::AltitudeSymbol::TECHNIQUE_DRAPE; |
---|
1842 | //alt->technique() = osgEarth::Symbology::AltitudeSymbol::TECHNIQUE_SCENE; |
---|
1843 | #if 0 |
---|
1844 | osgEarth::Symbology::RenderSymbol* rs = boxStyle.getOrCreateSymbol<osgEarth::Symbology::RenderSymbol>(); |
---|
1845 | rs->depthOffset()->enabled() = true; |
---|
1846 | rs->depthOffset()->minBias() = 1000; |
---|
1847 | #endif |
---|
1848 | osgEarth::Features::Feature *feature = new osgEarth::Features::Feature(geom, geoSRS, boxStyle); |
---|
1849 | //feature->geoInterp() = osgEarth::GEOINTERP_GREAT_CIRCLE; |
---|
1850 | feature->geoInterp() = osgEarth::GEOINTERP_RHUMB_LINE; |
---|
1851 | _selectionBox = |
---|
1852 | new osgEarth::Annotation::FeatureNode(_mapNode, feature); |
---|
1853 | _annotations->addChild(_selectionBox.get()); |
---|
1854 | } |
---|
1855 | |
---|
1856 | _needsRedraw = true; |
---|
1857 | } |
---|
1858 | |
---|
1859 | void Renderer::addPlaceNode(double latitude, double longitude, char *labelText) |
---|
1860 | { |
---|
1861 | if (!_mapNode.valid()) { |
---|
1862 | ERROR("No map node"); |
---|
1863 | return; |
---|
1864 | } |
---|
1865 | initAnnotations(); |
---|
1866 | |
---|
1867 | const osgEarth::SpatialReference *geoSRS = _mapNode->getMapSRS()->getGeographicSRS(); |
---|
1868 | |
---|
1869 | osgEarth::Symbology::Style pin; |
---|
1870 | pin.getOrCreate<osgEarth::Symbology::IconSymbol>()->url()->setLiteral(getPinIcon()); |
---|
1871 | osgEarth::Annotation::AnnotationNode *anno = |
---|
1872 | new osgEarth::Annotation::PlaceNode(_mapNode, osgEarth::GeoPoint(geoSRS, longitude, latitude), labelText, pin); |
---|
1873 | anno->setName(labelText); |
---|
1874 | _placeNodes->addChild(anno); |
---|
1875 | #ifdef USE_RTT_PICKER |
---|
1876 | osgEarth::Registry::objectIndex()->tagNode(anno, anno); |
---|
1877 | #else |
---|
1878 | osgEarth::Annotation::DecorationInstaller |
---|
1879 | highlightInstaller("select", new osgEarth::Annotation::HighlightDecoration(osg::Vec4f(1,1,0,0.5))); |
---|
1880 | _placeNodes->accept(highlightInstaller); |
---|
1881 | |
---|
1882 | // scale labels when hovering: |
---|
1883 | osgEarth::Annotation::DecorationInstaller |
---|
1884 | scaleInstaller("hover", new osgEarth::Annotation::ScaleDecoration(1.1f)); |
---|
1885 | _placeNodes->accept(scaleInstaller); |
---|
1886 | #endif |
---|
1887 | #if 0 |
---|
1888 | writeScene("/tmp/test.osg"); |
---|
1889 | #endif |
---|
1890 | _needsRedraw = true; |
---|
1891 | } |
---|
1892 | #if 0 |
---|
1893 | void Renderer::hoverFeatureNodes(int x, int y, bool invertY) |
---|
1894 | { |
---|
1895 | if (!_mapNode.valid()) { |
---|
1896 | ERROR("No map node"); |
---|
1897 | return; |
---|
1898 | } |
---|
1899 | osgEarth::IntersectionPicker picker(_viewer.get(), _mapNode.get()); |
---|
1900 | osgEarth::IntersectionPicker::Hits hits; |
---|
1901 | float mouseX = (float)x; |
---|
1902 | float mouseY = (float)y; |
---|
1903 | if (invertY) { |
---|
1904 | mouseY = ((float)_windowHeight - mouseY); |
---|
1905 | } |
---|
1906 | std::set<osgEarth::Annotation::FeatureNode*> toUnHover; |
---|
1907 | for (std::set<osgEarth::Annotation::FeatureNode*>::iterator itr = _hovered.begin(); |
---|
1908 | itr != _hovered.end(); ++itr) { |
---|
1909 | toUnHover.insert(*itr); |
---|
1910 | } |
---|
1911 | if (picker.pick(mouseX, mouseY, hits)) { |
---|
1912 | TRACE("Picker hits: %d", hits.size()); |
---|
1913 | for (osgEarth::IntersectionPicker::Hits::const_iterator hitr = hits.begin(); |
---|
1914 | hitr != hits.end(); ++hitr) { |
---|
1915 | osgEarth::Annotation::FeatureNode *anno = |
---|
1916 | picker.getNode<osgEarth::Annotation::FeatureNode>(*hitr); |
---|
1917 | if (anno != NULL) { |
---|
1918 | TRACE("Hit FeatureNode: %p", anno); |
---|
1919 | if (_hovered.find(anno) == _hovered.end()) { |
---|
1920 | _hovered.insert(anno); |
---|
1921 | anno->setDecoration("hover"); |
---|
1922 | _needsRedraw = true; |
---|
1923 | } |
---|
1924 | toUnHover.erase(anno); |
---|
1925 | } |
---|
1926 | } |
---|
1927 | #if 0 |
---|
1928 | writeScene("/tmp/test.osgt"); |
---|
1929 | #endif |
---|
1930 | } |
---|
1931 | for (std::set<osgEarth::Annotation::FeatureNode *>::iterator itr = toUnHover.begin(); |
---|
1932 | itr != toUnHover.end(); ++itr) { |
---|
1933 | _hovered.erase(*itr); |
---|
1934 | (*itr)->clearDecoration(); |
---|
1935 | _needsRedraw = true; |
---|
1936 | } |
---|
1937 | } |
---|
1938 | #endif |
---|
1939 | |
---|
1940 | #ifdef USE_RTT_PICKER |
---|
1941 | void Renderer::hoverPlaceNode(int x, int y, bool invertY) |
---|
1942 | { |
---|
1943 | if (!_placeNodes.valid()) { |
---|
1944 | TRACE("No place nodes"); |
---|
1945 | return; |
---|
1946 | } |
---|
1947 | return; |
---|
1948 | |
---|
1949 | float mouseX = (float)x; |
---|
1950 | float mouseY = (float)y; |
---|
1951 | if (invertY) { |
---|
1952 | mouseY = ((float)_windowHeight - mouseY); |
---|
1953 | } |
---|
1954 | if (_picker->pick(_viewer.get(), mouseX, mouseY)) { |
---|
1955 | TRACE("Hover pick queued: %g %g", mouseX, mouseY); |
---|
1956 | } else { |
---|
1957 | TRACE("Failed to queue pick: %g %g", mouseX, mouseY); |
---|
1958 | } |
---|
1959 | } |
---|
1960 | |
---|
1961 | void Renderer::deletePlaceNode(int x, int y, bool invertY) |
---|
1962 | { |
---|
1963 | if (!_placeNodes.valid()) { |
---|
1964 | TRACE("No place nodes"); |
---|
1965 | return; |
---|
1966 | } |
---|
1967 | return; |
---|
1968 | |
---|
1969 | osg::ref_ptr<osgEarth::Util::RTTPicker> picker = new osgEarth::Util::RTTPicker; |
---|
1970 | picker->addChild(_placeNodes.get()); |
---|
1971 | osg::ref_ptr<DeleteCallback> callback = new DeleteCallback(this); |
---|
1972 | float mouseX = (float)x; |
---|
1973 | float mouseY = (float)y; |
---|
1974 | if (invertY) { |
---|
1975 | mouseY = ((float)_windowHeight - mouseY); |
---|
1976 | } |
---|
1977 | if (picker->pick(_viewer.get(), mouseX, mouseY, callback)) { |
---|
1978 | TRACE("Delete pick queued: %g %g", mouseX, mouseY); |
---|
1979 | } |
---|
1980 | } |
---|
1981 | #else |
---|
1982 | void Renderer::hoverPlaceNode(int x, int y, bool invertY) |
---|
1983 | { |
---|
1984 | if (!_placeNodes.valid()) { |
---|
1985 | TRACE("No place nodes"); |
---|
1986 | return; |
---|
1987 | } |
---|
1988 | |
---|
1989 | osgEarth::IntersectionPicker picker(_viewer.get(), _placeNodes.get()); |
---|
1990 | osgEarth::IntersectionPicker::Hits hits; |
---|
1991 | float mouseX = (float)x; |
---|
1992 | float mouseY = (float)y; |
---|
1993 | if (invertY) { |
---|
1994 | mouseY = ((float)_windowHeight - mouseY); |
---|
1995 | } |
---|
1996 | std::set<osgEarth::Annotation::AnnotationNode*> toUnHover; |
---|
1997 | for (std::set<osgEarth::Annotation::AnnotationNode*>::iterator itr = _hovered.begin(); |
---|
1998 | itr != _hovered.end(); ++itr) { |
---|
1999 | toUnHover.insert(*itr); |
---|
2000 | } |
---|
2001 | if (picker.pick(mouseX, mouseY, hits)) { |
---|
2002 | TRACE("Picker hits: %d", hits.size()); |
---|
2003 | for (osgEarth::IntersectionPicker::Hits::const_iterator hitr = hits.begin(); |
---|
2004 | hitr != hits.end(); ++hitr) { |
---|
2005 | TRACE("Hit: node %p drawable %p idx %d", picker.getNode<osg::Node>(*hitr), hitr->drawable.get(), hitr->primitiveIndex); |
---|
2006 | osgEarth::Annotation::AnnotationNode *anno = |
---|
2007 | picker.getNode<osgEarth::Annotation::AnnotationNode>(*hitr); |
---|
2008 | if (anno != NULL && anno->getDecoration().empty()) { |
---|
2009 | TRACE("Hit AnnotationNode: %p", anno); |
---|
2010 | if (_hovered.find(anno) == _hovered.end()) { |
---|
2011 | _hovered.insert(anno); |
---|
2012 | anno->setDecoration("hover"); |
---|
2013 | _needsRedraw = true; |
---|
2014 | } |
---|
2015 | toUnHover.erase(anno); |
---|
2016 | } |
---|
2017 | } |
---|
2018 | #if 0 |
---|
2019 | writeScene("/tmp/test.osgt"); |
---|
2020 | #endif |
---|
2021 | } |
---|
2022 | for (std::set<osgEarth::Annotation::AnnotationNode *>::iterator itr = toUnHover.begin(); |
---|
2023 | itr != toUnHover.end(); ++itr) { |
---|
2024 | _hovered.erase(*itr); |
---|
2025 | (*itr)->clearDecoration(); |
---|
2026 | _needsRedraw = true; |
---|
2027 | } |
---|
2028 | } |
---|
2029 | |
---|
2030 | void Renderer::deletePlaceNode(int x, int y, bool invertY) |
---|
2031 | { |
---|
2032 | if (!_placeNodes.valid()) { |
---|
2033 | TRACE("No place nodes"); |
---|
2034 | return; |
---|
2035 | } |
---|
2036 | osgEarth::IntersectionPicker picker(_viewer.get(), _placeNodes.get()); |
---|
2037 | osgEarth::IntersectionPicker::Hits hits; |
---|
2038 | float mouseX = (float)x; |
---|
2039 | float mouseY = (float)y; |
---|
2040 | if (invertY) { |
---|
2041 | mouseY = ((float)_windowHeight - mouseY); |
---|
2042 | } |
---|
2043 | if (picker.pick(mouseX, mouseY, hits)) { |
---|
2044 | TRACE("Picker hit!"); |
---|
2045 | // prevent multiple hits on the same instance |
---|
2046 | std::set<osgEarth::Annotation::AnnotationNode *> fired; |
---|
2047 | for (osgEarth::IntersectionPicker::Hits::const_iterator hitr = hits.begin(); |
---|
2048 | hitr != hits.end(); ++hitr) { |
---|
2049 | osgEarth::Annotation::AnnotationNode *anno = |
---|
2050 | picker.getNode<osgEarth::Annotation::AnnotationNode>(*hitr); |
---|
2051 | if (anno != NULL && fired.find(anno) == fired.end()) { |
---|
2052 | fired.insert(anno); |
---|
2053 | _needsRedraw = true; |
---|
2054 | } |
---|
2055 | } |
---|
2056 | for (std::set<osgEarth::Annotation::AnnotationNode *>::iterator itr = fired.begin(); |
---|
2057 | itr != fired.end(); ++itr) { |
---|
2058 | (*itr)->clearDecoration(); |
---|
2059 | _placeNodes->removeChild(*itr); |
---|
2060 | if (_hovered.find(*itr) != _hovered.end()) { |
---|
2061 | _hovered.erase(*itr); |
---|
2062 | } |
---|
2063 | } |
---|
2064 | } else { |
---|
2065 | TRACE("NO Picker hits"); |
---|
2066 | } |
---|
2067 | #if 0 |
---|
2068 | writeScene("/tmp/test.osg"); |
---|
2069 | #endif |
---|
2070 | } |
---|
2071 | #endif |
---|
2072 | |
---|
2073 | void Renderer::addModelLayer(const char *name, |
---|
2074 | osgEarth::ModelSourceOptions& opts, |
---|
2075 | bool enableCache, |
---|
2076 | bool lighting, |
---|
2077 | bool visible) |
---|
2078 | { |
---|
2079 | if (!_map.valid()) { |
---|
2080 | ERROR("No map"); |
---|
2081 | return; |
---|
2082 | } |
---|
2083 | TRACE("layer: %s", name); |
---|
2084 | osgEarth::ModelLayerOptions layerOpts(name, opts); |
---|
2085 | if (!enableCache) { |
---|
2086 | TRACE("Disabling cache for layer %s", name); |
---|
2087 | layerOpts.cachePolicy() = osgEarth::CachePolicy(osgEarth::CachePolicy::USAGE_NO_CACHE); |
---|
2088 | } |
---|
2089 | if (!visible) { |
---|
2090 | layerOpts.visible() = false; |
---|
2091 | } |
---|
2092 | layerOpts.lightingEnabled() = lighting; |
---|
2093 | _map->addModelLayer(new osgEarth::ModelLayer(layerOpts)); |
---|
2094 | _needsRedraw = true; |
---|
2095 | } |
---|
2096 | |
---|
2097 | void Renderer::removeModelLayer(const char *name) |
---|
2098 | { |
---|
2099 | if (!_map.valid()) { |
---|
2100 | ERROR("No map"); |
---|
2101 | return; |
---|
2102 | } |
---|
2103 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
2104 | if (layer != NULL) { |
---|
2105 | _map->removeModelLayer(layer); |
---|
2106 | _needsRedraw = true; |
---|
2107 | } else { |
---|
2108 | TRACE("Model layer not found: %s", name); |
---|
2109 | } |
---|
2110 | } |
---|
2111 | |
---|
2112 | void Renderer::moveModelLayer(const char *name, unsigned int pos) |
---|
2113 | { |
---|
2114 | if (!_map.valid()) { |
---|
2115 | ERROR("No map"); |
---|
2116 | return; |
---|
2117 | } |
---|
2118 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
2119 | if (layer != NULL) { |
---|
2120 | _map->moveModelLayer(layer, pos); |
---|
2121 | _needsRedraw = true; |
---|
2122 | } else { |
---|
2123 | TRACE("Model layer not found: %s", name); |
---|
2124 | } |
---|
2125 | } |
---|
2126 | |
---|
2127 | void Renderer::setModelLayerOpacity(const char *name, double opacity) |
---|
2128 | { |
---|
2129 | if (!_map.valid()) { |
---|
2130 | ERROR("No map"); |
---|
2131 | return; |
---|
2132 | } |
---|
2133 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
2134 | if (layer != NULL) { |
---|
2135 | layer->setOpacity(opacity); |
---|
2136 | _needsRedraw = true; |
---|
2137 | } else { |
---|
2138 | TRACE("Model layer not found: %s", name); |
---|
2139 | } |
---|
2140 | } |
---|
2141 | #if 0 |
---|
2142 | void Renderer::setModelLayerVisibleRange(const char *name, float min, float max) |
---|
2143 | { |
---|
2144 | if (!_map.valid()) { |
---|
2145 | ERROR("No map"); |
---|
2146 | return; |
---|
2147 | } |
---|
2148 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
2149 | if (layer != NULL) { |
---|
2150 | layer->minVisibleRange(min); |
---|
2151 | layer->maxVisibleRange(max); |
---|
2152 | _needsRedraw = true; |
---|
2153 | } else { |
---|
2154 | TRACE("Model layer not found: %s", name); |
---|
2155 | } |
---|
2156 | } |
---|
2157 | #endif |
---|
2158 | void Renderer::setModelLayerVisibility(const char *name, bool state) |
---|
2159 | { |
---|
2160 | if (!_map.valid()) { |
---|
2161 | ERROR("No map"); |
---|
2162 | return; |
---|
2163 | } |
---|
2164 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
2165 | if (layer != NULL) { |
---|
2166 | layer->setVisible(state); |
---|
2167 | _needsRedraw = true; |
---|
2168 | } else { |
---|
2169 | TRACE("Model layer not found: %s", name); |
---|
2170 | } |
---|
2171 | } |
---|
2172 | |
---|
2173 | /** |
---|
2174 | * \brief Resize the render window (image size for renderings) |
---|
2175 | */ |
---|
2176 | void Renderer::setWindowSize(int width, int height) |
---|
2177 | { |
---|
2178 | if (_windowWidth == width && |
---|
2179 | _windowHeight == height) { |
---|
2180 | TRACE("No change"); |
---|
2181 | return; |
---|
2182 | } |
---|
2183 | |
---|
2184 | TRACE("Setting window size to %dx%d", width, height); |
---|
2185 | |
---|
2186 | double origBitrate = getMaximumBitrate(); |
---|
2187 | |
---|
2188 | _windowWidth = width; |
---|
2189 | _windowHeight = height; |
---|
2190 | |
---|
2191 | setMaximumBitrate(origBitrate); |
---|
2192 | TRACE("Bandwidth target: %.2f Mbps", (float)(getMaximumBitrate()/1.0e6)); |
---|
2193 | TRACE("Frame rate target: %.2f Hz", (float)getMaximumFrameRateInHertz()); |
---|
2194 | |
---|
2195 | if (_viewer.valid()) { |
---|
2196 | #ifdef USE_OFFSCREEN_RENDERING |
---|
2197 | #ifdef USE_PBUFFER |
---|
2198 | osg::ref_ptr<osg::GraphicsContext> pbuffer; |
---|
2199 | osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits; |
---|
2200 | traits->x = 0; |
---|
2201 | traits->y = 0; |
---|
2202 | traits->width = _windowWidth; |
---|
2203 | traits->height = _windowHeight; |
---|
2204 | traits->red = 8; |
---|
2205 | traits->green = 8; |
---|
2206 | traits->blue = 8; |
---|
2207 | traits->alpha = 8; |
---|
2208 | traits->windowDecoration = false; |
---|
2209 | traits->pbuffer = true; |
---|
2210 | traits->doubleBuffer = true; |
---|
2211 | traits->sharedContext = 0; |
---|
2212 | |
---|
2213 | pbuffer = osg::GraphicsContext::createGraphicsContext(traits.get()); |
---|
2214 | if (pbuffer.valid()) { |
---|
2215 | TRACE("Pixel buffer has been created successfully."); |
---|
2216 | } else { |
---|
2217 | ERROR("Pixel buffer has not been created successfully."); |
---|
2218 | } |
---|
2219 | osg::Camera *camera = new osg::Camera; |
---|
2220 | camera->setGraphicsContext(pbuffer.get()); |
---|
2221 | //camera->getOrCreateStateSet()->setGlobalDefaults(); |
---|
2222 | camera->setViewport(new osg::Viewport(0, 0, _windowWidth, _windowHeight)); |
---|
2223 | GLenum buffer = pbuffer->getTraits()->doubleBuffer ? GL_BACK : GL_FRONT; |
---|
2224 | camera->setDrawBuffer(buffer); |
---|
2225 | camera->setReadBuffer(buffer); |
---|
2226 | camera->setFinalDrawCallback(_captureCallback.get()); |
---|
2227 | _viewer->addSlave(camera, osg::Matrixd(), osg::Matrixd()); |
---|
2228 | _viewer->realize(); |
---|
2229 | #else |
---|
2230 | if (_captureCallback.valid()) { |
---|
2231 | _captureCallback->getTexture()->setTextureSize(_windowWidth, _windowHeight); |
---|
2232 | } |
---|
2233 | osgViewer::ViewerBase::Windows windows; |
---|
2234 | _viewer->getWindows(windows); |
---|
2235 | if (windows.size() == 1) { |
---|
2236 | windows[0]->setWindowRectangle(0, 0, _windowWidth, _windowHeight); |
---|
2237 | } else { |
---|
2238 | ERROR("Num windows: %lu", windows.size()); |
---|
2239 | } |
---|
2240 | #endif |
---|
2241 | #else |
---|
2242 | osgViewer::ViewerBase::Windows windows; |
---|
2243 | _viewer->getWindows(windows); |
---|
2244 | #if 1 |
---|
2245 | for (osgViewer::Viewer::Windows::iterator itr = windows.begin(); |
---|
2246 | itr != windows.end(); ++itr) { |
---|
2247 | osgViewer::GraphicsWindow *window = *itr; |
---|
2248 | window->setWindowRectangle(0, 0, _windowWidth, _windowHeight); |
---|
2249 | //window->grabFocusIfPointerInWindow(); |
---|
2250 | } |
---|
2251 | //_viewer->getCamera()->setViewport(new osg::Viewport(0, 0, _windowWidth, _windowHeight)); |
---|
2252 | #else |
---|
2253 | if (windows.size() == 1) { |
---|
2254 | windows[0]->setWindowRectangle(0, 0, _windowWidth, _windowHeight); |
---|
2255 | } else { |
---|
2256 | ERROR("Num windows: %lu", windows.size()); |
---|
2257 | } |
---|
2258 | #endif |
---|
2259 | #endif |
---|
2260 | // HACK: Without this, the mouse coordinate mapping uses the old size |
---|
2261 | // for 1 frame. |
---|
2262 | assert(_viewer->getEventQueue() != NULL); |
---|
2263 | //TRACE("Window EventQueue: %p", getEventQueue()); |
---|
2264 | //TRACE("Viewer EventQueue: %p", _viewer->getEventQueue()); |
---|
2265 | _viewer->getEventQueue()->windowResize(0, 0, _windowWidth, _windowHeight); |
---|
2266 | _needsRedraw = true; |
---|
2267 | } |
---|
2268 | } |
---|
2269 | |
---|
2270 | /** |
---|
2271 | * \brief Set the orientation of the camera from a quaternion |
---|
2272 | * rotation |
---|
2273 | * |
---|
2274 | * \param[in] quat A quaternion with scalar part first: w,x,y,z |
---|
2275 | * \param[in] absolute Is rotation absolute or relative? |
---|
2276 | */ |
---|
2277 | void Renderer::setCameraOrientation(const double quat[4], bool absolute) |
---|
2278 | { |
---|
2279 | if (_manipulator.valid()) { |
---|
2280 | _manipulator->setRotation(osg::Quat(quat[1], quat[2], quat[3], quat[0])); |
---|
2281 | _needsRedraw = true; |
---|
2282 | } |
---|
2283 | } |
---|
2284 | |
---|
2285 | /** |
---|
2286 | * \brief Reset pan, zoom, clipping planes and optionally rotation |
---|
2287 | * |
---|
2288 | * \param[in] resetOrientation Reset the camera rotation/orientation also |
---|
2289 | */ |
---|
2290 | void Renderer::resetCamera(bool resetOrientation) |
---|
2291 | { |
---|
2292 | TRACE("Enter: resetOrientation=%d", resetOrientation ? 1 : 0); |
---|
2293 | if (_viewer.valid()) { |
---|
2294 | _viewer->home(); |
---|
2295 | _needsRedraw = true; |
---|
2296 | } |
---|
2297 | } |
---|
2298 | |
---|
2299 | /** |
---|
2300 | * \brief Perform a 2D translation of the camera |
---|
2301 | * |
---|
2302 | * x,y pan amount are specified as signed absolute pan amount in viewport |
---|
2303 | * units -- i.e. 0 is no pan, .5 is half the viewport, 2 is twice the viewport, |
---|
2304 | * etc. |
---|
2305 | * |
---|
2306 | * \param[in] x Viewport coordinate horizontal panning (positive number pans |
---|
2307 | * camera left, object right) |
---|
2308 | * \param[in] y Viewport coordinate vertical panning (positive number pans |
---|
2309 | * camera up, object down) |
---|
2310 | */ |
---|
2311 | void Renderer::panCamera(double x, double y) |
---|
2312 | { |
---|
2313 | TRACE("Enter: %g %g", x, y); |
---|
2314 | |
---|
2315 | if (_manipulator.valid()) { |
---|
2316 | // Wants mouse delta x,y in normalized screen coords |
---|
2317 | _manipulator->pan(x, y); |
---|
2318 | _needsRedraw = true; |
---|
2319 | } |
---|
2320 | } |
---|
2321 | |
---|
2322 | void Renderer::rotateCamera(double x, double y) |
---|
2323 | { |
---|
2324 | TRACE("Enter: %g %g", x, y); |
---|
2325 | |
---|
2326 | if (_manipulator.valid()) { |
---|
2327 | _manipulator->rotate(x, y); |
---|
2328 | _needsRedraw = true; |
---|
2329 | } |
---|
2330 | } |
---|
2331 | |
---|
2332 | /** |
---|
2333 | * \brief Dolly camera or set orthographic scaling based on camera type |
---|
2334 | * |
---|
2335 | * \param[in] y Mouse y coordinate in normalized screen coords |
---|
2336 | */ |
---|
2337 | void Renderer::zoomCamera(double y) |
---|
2338 | { |
---|
2339 | TRACE("Enter: y: %g", y); |
---|
2340 | |
---|
2341 | if (_manipulator.valid()) { |
---|
2342 | // +y = zoom out, -y = zoom in |
---|
2343 | TRACE("camDist: %g", _manipulator->getDistance()); |
---|
2344 | #ifdef LIMIT_ZOOM_BY_MAP_SCALE |
---|
2345 | if ((_mapScale < 0.0 && y > 0.0) || |
---|
2346 | (_mapScale < 0.1 && y < 0.0) || |
---|
2347 | (_mapScale > 40000.0 && y > 0.0)) |
---|
2348 | return; |
---|
2349 | #endif |
---|
2350 | #if 1 |
---|
2351 | _manipulator->zoom(0, y); |
---|
2352 | #else |
---|
2353 | double dist = _manipulator->getDistance(); |
---|
2354 | dist *= (1.0 + y); |
---|
2355 | _manipulator->setDistance(dist); |
---|
2356 | #endif |
---|
2357 | _needsRedraw = true; |
---|
2358 | } |
---|
2359 | } |
---|
2360 | |
---|
2361 | bool Renderer::getImageLayerExtent(const char *name, osgEarth::GeoExtent &ext) |
---|
2362 | { |
---|
2363 | if (!_map.valid()) { |
---|
2364 | ERROR("No map"); |
---|
2365 | return false; |
---|
2366 | } |
---|
2367 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
2368 | if (layer != NULL) { |
---|
2369 | osgEarth::TileSource *ts = layer->getTileSource(); |
---|
2370 | if (ts != NULL) { |
---|
2371 | ext = ts->getDataExtentsUnion(); |
---|
2372 | if (!ext.isValid() && ts->getProfile() != NULL) { |
---|
2373 | ext = ts->getProfile()->getExtent(); |
---|
2374 | } |
---|
2375 | TRACE("Image layer %s srs: %s extent: %g %g %g %g", |
---|
2376 | name, ext.getSRS() ? ext.getSRS()->getName().c_str() : "nil", |
---|
2377 | ext.xMin(), ext.yMin(), ext.xMax(), ext.yMax()); |
---|
2378 | return true; |
---|
2379 | } |
---|
2380 | } else { |
---|
2381 | TRACE("Image layer not found: %s", name); |
---|
2382 | } |
---|
2383 | return false; |
---|
2384 | } |
---|
2385 | |
---|
2386 | bool Renderer::getElevationLayerExtent(const char *name, osgEarth::GeoExtent &ext) |
---|
2387 | { |
---|
2388 | if (!_map.valid()) { |
---|
2389 | ERROR("No map"); |
---|
2390 | return false; |
---|
2391 | } |
---|
2392 | osgEarth::ElevationLayer *layer = _map->getElevationLayerByName(name); |
---|
2393 | if (layer != NULL) { |
---|
2394 | osgEarth::TileSource *ts = layer->getTileSource(); |
---|
2395 | if (ts != NULL) { |
---|
2396 | ext = ts->getDataExtentsUnion(); |
---|
2397 | if (!ext.isValid() && ts->getProfile() != NULL) { |
---|
2398 | ext = ts->getProfile()->getExtent(); |
---|
2399 | } |
---|
2400 | TRACE("Elevation Layer %s srs: %s extent: %g %g %g %g", |
---|
2401 | name, ext.getSRS() ? ext.getSRS()->getName().c_str() : "nil", |
---|
2402 | ext.xMin(), ext.yMin(), ext.xMax(), ext.yMax()); |
---|
2403 | return true; |
---|
2404 | } |
---|
2405 | } else { |
---|
2406 | TRACE("Elevation layer not found: %s", name); |
---|
2407 | } |
---|
2408 | return false; |
---|
2409 | } |
---|
2410 | |
---|
2411 | bool Renderer::getModelLayerExtent(const char *name, osgEarth::GeoExtent &ext) |
---|
2412 | { |
---|
2413 | if (!_map.valid()) { |
---|
2414 | ERROR("No map"); |
---|
2415 | return false; |
---|
2416 | } |
---|
2417 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
2418 | if (layer != NULL) { |
---|
2419 | osgEarth::ModelSource *ms = layer->getModelSource(); |
---|
2420 | if (ms != NULL) { |
---|
2421 | osgEarth::DataExtentList& dataExtents = ms->getDataExtents(); |
---|
2422 | if (dataExtents.size() > 0) { |
---|
2423 | ext = dataExtents[0]; |
---|
2424 | for (unsigned int i = 1; i < dataExtents.size(); i++) { |
---|
2425 | ext.expandToInclude(dataExtents[i]); |
---|
2426 | } |
---|
2427 | } |
---|
2428 | if (!ext.isValid()) { |
---|
2429 | ERROR("Couldn't find extent of layer %s", name); |
---|
2430 | return false; |
---|
2431 | } |
---|
2432 | TRACE("Model Layer %s srs: %s extent: %g %g %g %g", |
---|
2433 | name, ext.getSRS() ? ext.getSRS()->getName().c_str() : "nil", |
---|
2434 | ext.xMin(), ext.yMin(), ext.xMax(), ext.yMax()); |
---|
2435 | return true; |
---|
2436 | } |
---|
2437 | } else { |
---|
2438 | TRACE("Model layer not found: %s", name); |
---|
2439 | } |
---|
2440 | return false; |
---|
2441 | } |
---|
2442 | |
---|
2443 | /** |
---|
2444 | * \brief Set view to fit a bounding rectangle |
---|
2445 | * |
---|
2446 | * A camera distance is chosen such that the extent rectangle |
---|
2447 | * will fit in the vertical field of view. |
---|
2448 | * |
---|
2449 | * \param ext input GeoExtent |
---|
2450 | * \param durationSecs Animation duration for the view change. |
---|
2451 | */ |
---|
2452 | void Renderer::setViewpointFromExtent(const osgEarth::GeoExtent& ext, |
---|
2453 | double durationSecs) |
---|
2454 | { |
---|
2455 | setViewpointFromRect(ext.xMin(), ext.yMin(), ext.xMax(), ext.yMax(), |
---|
2456 | ext.getSRS(), durationSecs); |
---|
2457 | } |
---|
2458 | |
---|
2459 | /** |
---|
2460 | * \brief Set view to fit a bounding rectangle |
---|
2461 | * |
---|
2462 | * A camera distance is chosen such that the extent rectangle |
---|
2463 | * will fit in the vertical field of view. |
---|
2464 | * |
---|
2465 | * \param xmin Minimum X coord in the given SRS |
---|
2466 | * \param ymin Minimum Y coord in the given SRS |
---|
2467 | * \param xmax Maximum X coord in the given SRS |
---|
2468 | * \param ymax Maximum Y coord in the given SRS |
---|
2469 | * \param srs Optional SRS of bounding points. If omitted, wgs84 is assumed. |
---|
2470 | * \param durationSecs Animation duration for the view change. |
---|
2471 | */ |
---|
2472 | void Renderer::setViewpointFromRect(double xmin, double ymin, |
---|
2473 | double xmax, double ymax, |
---|
2474 | const osgEarth::SpatialReference *srs, |
---|
2475 | double durationSecs) |
---|
2476 | { |
---|
2477 | if (!_viewer.valid() || !_manipulator.valid() || getMapSRS() == NULL) |
---|
2478 | return; |
---|
2479 | |
---|
2480 | double x = 0.0, y = 0.0, distance = 0.0; |
---|
2481 | double x1 = xmin, y1 = ymin, x2 = xmax, y2 = ymax; |
---|
2482 | osgEarth::Units distanceUnits = getMapSRS()->getUnits(); |
---|
2483 | if (getMapSRS()->isProjected() && !getMapSRS()->isPlateCarre()) { |
---|
2484 | TRACE("Projected"); |
---|
2485 | osg::ref_ptr<const osgEarth::SpatialReference> fromSRS = |
---|
2486 | srs ? srs : osgEarth::SpatialReference::create("wgs84"); |
---|
2487 | fromSRS->transformExtentToMBR(getMapSRS(), x1, y1, x2, y2); |
---|
2488 | double height = y2 - y1; |
---|
2489 | double fovy, aspect, near, far; |
---|
2490 | _viewer->getCamera()->getProjectionMatrixAsPerspective(fovy, aspect, near, far); |
---|
2491 | distance = height / (2. * tan(osg::DegreesToRadians(fovy)/2.)); |
---|
2492 | TRACE("fov: %g a: %g n: %g f: %g (%g, %g, %g, %g)", fovy, aspect, near, far, x1, y1, x2, y2); |
---|
2493 | x = x1 + (x2 - x1)/2.0; |
---|
2494 | y = y1 + (y2 - y1)/2.0; |
---|
2495 | TRACE("x: %g y: %g, dist: %g", x, y, distance); |
---|
2496 | } else if (getMapSRS()->isGeographic() && !getMapSRS()->isPlateCarre()) { |
---|
2497 | // World coords are ECEF |
---|
2498 | TRACE("Geocentric"); |
---|
2499 | osg::ref_ptr<const osgEarth::SpatialReference> fromSRS = |
---|
2500 | srs ? srs : osgEarth::SpatialReference::create("wgs84"); |
---|
2501 | fromSRS->transformExtentToMBR(getMapSRS(), x1, y1, x2, y2); |
---|
2502 | TRACE("(%g, %g, %g, %g)", x1, y1, x2, y2); |
---|
2503 | // These are angular units |
---|
2504 | x = x1 + (x2 - x1)/2.0; |
---|
2505 | y = y1 + (y2 - y1)/2.0; |
---|
2506 | // These will be ECEF |
---|
2507 | osg::Vec3d world1, world2, world3, world4; |
---|
2508 | // bottom |
---|
2509 | getMapSRS()->transformToWorld(osg::Vec3d(x, y1, 0), world1); |
---|
2510 | // top |
---|
2511 | getMapSRS()->transformToWorld(osg::Vec3d(x, y2, 0), world2); |
---|
2512 | // Focal point on surface |
---|
2513 | getMapSRS()->transformToWorld(osg::Vec3d(x, y, 0), world3); |
---|
2514 | // point on line between top and bottom points |
---|
2515 | world4 = world1 + (world2 - world1)/2.0; |
---|
2516 | TRACE("world1: %g,%g,%g world2: %g,%g,%g", |
---|
2517 | world1.x(), world1.y(), world1.z(), |
---|
2518 | world2.x(), world2.y(), world2.z()); |
---|
2519 | TRACE("world3: %g,%g,%g world4: %g,%g,%g", |
---|
2520 | world3.x(), world3.y(), world3.z(), |
---|
2521 | world4.x(), world4.y(), world4.z()); |
---|
2522 | double height = (world2 - world1).length(); |
---|
2523 | double fovy, aspect, near, far; |
---|
2524 | _viewer->getCamera()->getProjectionMatrixAsPerspective(fovy, aspect, near, far); |
---|
2525 | distance = height / (2. * tan(osg::DegreesToRadians(fovy)/2.)); |
---|
2526 | distance -= (world4 - world3).length(); |
---|
2527 | if (distance < 0.0) distance = 0.0; |
---|
2528 | distanceUnits = osgEarth::Units::METERS; |
---|
2529 | TRACE("fov: %g a: %g n: %g f: %g (%g, %g, %g, %g)", fovy, aspect, near, far, x1, y1, x2, y2); |
---|
2530 | TRACE("x: %g y: %g, dist: %g", x, y, distance); |
---|
2531 | } else { |
---|
2532 | assert(getMapSRS()->isPlateCarre()); |
---|
2533 | ERROR("Plate Carree not supported"); |
---|
2534 | return; |
---|
2535 | } |
---|
2536 | TRACE("Map units: %d", getMapSRS()->getUnits().getType()); |
---|
2537 | osgEarth::Viewpoint vpt; |
---|
2538 | vpt.focalPoint()->set(getMapSRS(), x, y, 0.0, osgEarth::ALTMODE_ABSOLUTE); |
---|
2539 | vpt.range()->set(distance, distanceUnits); |
---|
2540 | vpt.heading()->set(0.0, osgEarth::Units::DEGREES); |
---|
2541 | vpt.pitch()->set(-90.0, osgEarth::Units::DEGREES); |
---|
2542 | |
---|
2543 | _manipulator->setViewpoint(vpt, durationSecs); |
---|
2544 | _needsRedraw = true; |
---|
2545 | } |
---|
2546 | |
---|
2547 | double Renderer::getMaxDistanceFromExtent(const osgEarth::GeoExtent& extent) |
---|
2548 | { |
---|
2549 | if (!_viewer.valid() || extent.getSRS() == NULL) |
---|
2550 | return 2.0e7; |
---|
2551 | |
---|
2552 | double x = 0.0, y = 0.0, distance = 0.0; |
---|
2553 | double x1 = extent.xMin(), y1 = extent.yMin(), x2 = extent.xMax(), y2 = extent.yMax(); |
---|
2554 | osgEarth::Units distanceUnits = extent.getSRS()->getUnits(); |
---|
2555 | if (extent.getSRS()->isProjected() && !extent.getSRS()->isPlateCarre()) { |
---|
2556 | TRACE("Projected"); |
---|
2557 | double height = y2 - y1; |
---|
2558 | double fovy, aspect, near, far; |
---|
2559 | _viewer->getCamera()->getProjectionMatrixAsPerspective(fovy, aspect, near, far); |
---|
2560 | distance = height / (2. * tan(osg::DegreesToRadians(fovy)/2.)); |
---|
2561 | TRACE("fov: %g a: %g n: %g f: %g (%g, %g, %g, %g)", fovy, aspect, near, far, x1, y1, x2, y2); |
---|
2562 | x = x1 + (x2 - x1)/2.0; |
---|
2563 | y = y1 + (y2 - y1)/2.0; |
---|
2564 | TRACE("x: %g y: %g, dist: %g", x, y, distance); |
---|
2565 | } else if (extent.getSRS()->isGeographic() && !extent.getSRS()->isPlateCarre()) { |
---|
2566 | // World coords are ECEF |
---|
2567 | TRACE("Geocentric"); |
---|
2568 | TRACE("(%g, %g, %g, %g)", x1, y1, x2, y2); |
---|
2569 | // These are angular units |
---|
2570 | x = x1 + (x2 - x1)/2.0; |
---|
2571 | y = y1 + (y2 - y1)/2.0; |
---|
2572 | // These will be ECEF |
---|
2573 | osg::Vec3d world1, world2, world3, world4; |
---|
2574 | // bottom |
---|
2575 | getMapSRS()->transformToWorld(osg::Vec3d(x, y1, 0), world1); |
---|
2576 | // top |
---|
2577 | getMapSRS()->transformToWorld(osg::Vec3d(x, y2, 0), world2); |
---|
2578 | // Focal point on surface |
---|
2579 | getMapSRS()->transformToWorld(osg::Vec3d(x, y, 0), world3); |
---|
2580 | // point on line between top and bottom points |
---|
2581 | world4 = world1 + (world2 - world1)/2.0; |
---|
2582 | double height = (world2 - world1).length(); |
---|
2583 | double fovy, aspect, near, far; |
---|
2584 | _viewer->getCamera()->getProjectionMatrixAsPerspective(fovy, aspect, near, far); |
---|
2585 | distance = height / (2. * tan(osg::DegreesToRadians(fovy)/2.)); |
---|
2586 | distance -= (world4 - world3).length(); |
---|
2587 | if (distance < 0.0) distance = 0.0; |
---|
2588 | distanceUnits = osgEarth::Units::METERS; |
---|
2589 | TRACE("fov: %g a: %g n: %g f: %g (%g, %g, %g, %g)", fovy, aspect, near, far, x1, y1, x2, y2); |
---|
2590 | TRACE("x: %g y: %g, dist: %g", x, y, distance); |
---|
2591 | } else { |
---|
2592 | assert(extent.getSRS()->isPlateCarre()); |
---|
2593 | ERROR("Plate Carree not supported"); |
---|
2594 | } |
---|
2595 | |
---|
2596 | return distance; |
---|
2597 | } |
---|
2598 | |
---|
2599 | /** |
---|
2600 | * \brief Dolly camera to set distance from focal point |
---|
2601 | * |
---|
2602 | * \param[in] dist distance in world coordinate units (typically meters) |
---|
2603 | */ |
---|
2604 | void Renderer::setCameraDistance(double dist) |
---|
2605 | { |
---|
2606 | TRACE("Enter: dist: %g", dist); |
---|
2607 | |
---|
2608 | if (_manipulator.valid()) { |
---|
2609 | TRACE("camDist: %g", _manipulator->getDistance()); |
---|
2610 | |
---|
2611 | _manipulator->setDistance(dist); |
---|
2612 | |
---|
2613 | _needsRedraw = true; |
---|
2614 | } |
---|
2615 | } |
---|
2616 | |
---|
2617 | void Renderer::keyPress(int key) |
---|
2618 | { |
---|
2619 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2620 | if (queue != NULL) { |
---|
2621 | queue->keyPress(key); |
---|
2622 | _needsRedraw = true; |
---|
2623 | } |
---|
2624 | } |
---|
2625 | |
---|
2626 | void Renderer::keyRelease(int key) |
---|
2627 | { |
---|
2628 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2629 | if (queue != NULL) { |
---|
2630 | queue->keyRelease(key); |
---|
2631 | _needsRedraw = true; |
---|
2632 | } |
---|
2633 | } |
---|
2634 | |
---|
2635 | void Renderer::setThrowingEnabled(bool state) |
---|
2636 | { |
---|
2637 | if (_manipulator.valid()) { |
---|
2638 | _manipulator->getSettings()->setThrowingEnabled(state); |
---|
2639 | } |
---|
2640 | } |
---|
2641 | |
---|
2642 | void Renderer::mouseDoubleClick(int button, double x, double y) |
---|
2643 | { |
---|
2644 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2645 | if (queue != NULL) { |
---|
2646 | queue->mouseDoubleButtonPress((float)x, (float)y, button); |
---|
2647 | _needsRedraw = true; |
---|
2648 | } |
---|
2649 | } |
---|
2650 | |
---|
2651 | void Renderer::mouseClick(int button, double x, double y) |
---|
2652 | { |
---|
2653 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2654 | if (queue != NULL) { |
---|
2655 | queue->mouseButtonPress((float)x, (float)y, button); |
---|
2656 | _needsRedraw = true; |
---|
2657 | } |
---|
2658 | } |
---|
2659 | |
---|
2660 | void Renderer::mouseDrag(int button, double x, double y) |
---|
2661 | { |
---|
2662 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2663 | if (queue != NULL) { |
---|
2664 | queue->mouseMotion((float)x, (float)y); |
---|
2665 | _needsRedraw = true; |
---|
2666 | } |
---|
2667 | } |
---|
2668 | |
---|
2669 | void Renderer::mouseRelease(int button, double x, double y) |
---|
2670 | { |
---|
2671 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2672 | if (queue != NULL) { |
---|
2673 | queue->mouseButtonRelease((float)x, (float)y, button); |
---|
2674 | _needsRedraw = true; |
---|
2675 | } |
---|
2676 | } |
---|
2677 | |
---|
2678 | void Renderer::mouseMotion(double x, double y) |
---|
2679 | { |
---|
2680 | #if 1 |
---|
2681 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2682 | if (queue != NULL) { |
---|
2683 | queue->mouseMotion((float)x, (float)y); |
---|
2684 | _needsRedraw = true; |
---|
2685 | } |
---|
2686 | #else |
---|
2687 | if (_mouseCoordsTool.valid()) { |
---|
2688 | if (_viewer.valid() && _coordsCallback.valid()) { |
---|
2689 | osgEarth::GeoPoint mapPt; |
---|
2690 | if (mapMouseCoords((float)x, (float)y, mapPt)) { |
---|
2691 | _coordsCallback->set(mapPt, _viewer->asView(), _mapNode); |
---|
2692 | } else { |
---|
2693 | _coordsCallback->reset(_viewer->asView(), _mapNode); |
---|
2694 | } |
---|
2695 | _needsRedraw = true; |
---|
2696 | } |
---|
2697 | } |
---|
2698 | #endif |
---|
2699 | } |
---|
2700 | |
---|
2701 | void Renderer::mouseScroll(int direction) |
---|
2702 | { |
---|
2703 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2704 | if (queue != NULL) { |
---|
2705 | queue->mouseScroll((direction > 0 ? osgGA::GUIEventAdapter::SCROLL_UP : osgGA::GUIEventAdapter::SCROLL_DOWN)); |
---|
2706 | _needsRedraw = true; |
---|
2707 | } |
---|
2708 | } |
---|
2709 | |
---|
2710 | /** |
---|
2711 | * \brief Set the RGB background color to render into the image |
---|
2712 | */ |
---|
2713 | void Renderer::setBackgroundColor(float color[3]) |
---|
2714 | { |
---|
2715 | _bgColor[0] = color[0]; |
---|
2716 | _bgColor[1] = color[1]; |
---|
2717 | _bgColor[2] = color[2]; |
---|
2718 | |
---|
2719 | if (_viewer.valid()) { |
---|
2720 | _viewer->getCamera()->setClearColor(osg::Vec4(color[0], color[1], color[2], 1)); |
---|
2721 | |
---|
2722 | _needsRedraw = true; |
---|
2723 | } |
---|
2724 | } |
---|
2725 | |
---|
2726 | /** |
---|
2727 | * \brief Sets flag to trigger rendering next time render() is called |
---|
2728 | */ |
---|
2729 | void Renderer::eventuallyRender() |
---|
2730 | { |
---|
2731 | _needsRedraw = true; |
---|
2732 | } |
---|
2733 | |
---|
2734 | /** |
---|
2735 | * \brief Get a timeout in usecs for select() |
---|
2736 | * |
---|
2737 | * If the paging thread is idle, returns <0 indicating that the |
---|
2738 | * select call can block until data is available. Otherwise, |
---|
2739 | * if the frame render time was faster than the target frame |
---|
2740 | * rate, return the remaining frame time. |
---|
2741 | */ |
---|
2742 | long Renderer::getTimeout() |
---|
2743 | { |
---|
2744 | if (!checkNeedToDoFrame()) |
---|
2745 | // <0 means no timeout, block until socket has data |
---|
2746 | return -1L; |
---|
2747 | if (_lastFrameTime < _minFrameTime) { |
---|
2748 | return (long)1.0e6*(_minFrameTime - _lastFrameTime); |
---|
2749 | } else { |
---|
2750 | // No timeout (poll) |
---|
2751 | return 0L; |
---|
2752 | } |
---|
2753 | } |
---|
2754 | |
---|
2755 | /** |
---|
2756 | * \brief Check if paging thread is quiescent |
---|
2757 | */ |
---|
2758 | bool Renderer::isPagerIdle() |
---|
2759 | { |
---|
2760 | if (!_viewer.valid()) |
---|
2761 | return true; |
---|
2762 | else |
---|
2763 | return (!_viewer->getDatabasePager()->requiresUpdateSceneGraph() && |
---|
2764 | !_viewer->getDatabasePager()->getRequestsInProgress()); |
---|
2765 | } |
---|
2766 | |
---|
2767 | /** |
---|
2768 | * \brief Check is frame call is necessary to render and/or update |
---|
2769 | * in response to events or timed actions |
---|
2770 | */ |
---|
2771 | bool Renderer::checkNeedToDoFrame() |
---|
2772 | { |
---|
2773 | return (_needsRedraw || _pickPending || |
---|
2774 | (_viewer.valid() && _viewer->checkNeedToDoFrame())); |
---|
2775 | } |
---|
2776 | |
---|
2777 | /** |
---|
2778 | * \brief MapNode event phase |
---|
2779 | * |
---|
2780 | * This is called by the MapNode's event callback during the event |
---|
2781 | * traversal of the viewer |
---|
2782 | */ |
---|
2783 | void Renderer::mapNodeUpdate() |
---|
2784 | { |
---|
2785 | computeMapScale(); |
---|
2786 | } |
---|
2787 | |
---|
2788 | void Renderer::markFrameStart() |
---|
2789 | { |
---|
2790 | _startFrameTime = osg::Timer::instance()->tick(); |
---|
2791 | } |
---|
2792 | |
---|
2793 | void Renderer::markFrameEnd() |
---|
2794 | { |
---|
2795 | osg::Timer_t endFrameTick = osg::Timer::instance()->tick(); |
---|
2796 | _lastFrameTime = osg::Timer::instance()->delta_s(_startFrameTime, endFrameTick); |
---|
2797 | if (_lastFrameTime > _minFrameTime) { |
---|
2798 | FRAME("BROKE FRAME by %.2f msec", (_lastFrameTime - _minFrameTime)*1000.0f); |
---|
2799 | } else { |
---|
2800 | FRAME("Frame time: %.2f msec", _lastFrameTime*1000.0f); |
---|
2801 | } |
---|
2802 | #ifdef USE_THROTTLING_SLEEP |
---|
2803 | if (_lastFrameTime < _minFrameTime) { |
---|
2804 | FRAME("Sleeping for %.2f msec", (_minFrameTime - _lastFrameTime)*1000.0f); |
---|
2805 | OpenThreads::Thread::microSleep(static_cast<unsigned int>(1000000.0*(_minFrameTime - _lastFrameTime))); |
---|
2806 | } |
---|
2807 | #endif |
---|
2808 | } |
---|
2809 | |
---|
2810 | /** |
---|
2811 | * \brief Cause the rendering to render a new image if needed |
---|
2812 | * |
---|
2813 | * The _needsRedraw flag indicates if a state change has occured since |
---|
2814 | * the last rendered frame |
---|
2815 | */ |
---|
2816 | bool Renderer::render() |
---|
2817 | { |
---|
2818 | if (_viewer.valid() && checkNeedToDoFrame()) { |
---|
2819 | FRAME("Enter needsRedraw=%d", _needsRedraw ? 1 : 0); |
---|
2820 | _renderStartTime = osg::Timer::instance()->tick(); |
---|
2821 | FRAME("Before frame()"); |
---|
2822 | _viewer->frame(); |
---|
2823 | FRAME("After frame()"); |
---|
2824 | _renderStopTime = osg::Timer::instance()->tick(); |
---|
2825 | _renderTime = osg::Timer::instance()->delta_s(_renderStartTime, _renderStopTime); |
---|
2826 | FRAME("Render time: %g msec", _renderTime * 1000.0); |
---|
2827 | #ifndef SLEEP_AFTER_QUEUE_FRAME |
---|
2828 | _lastFrameTime = _renderTime; |
---|
2829 | #ifdef USE_THROTTLING_SLEEP |
---|
2830 | if (_lastFrameTime < _minFrameTime) { |
---|
2831 | FRAME("Sleeping for %.2f msec", (_minFrameTime - _lastFrameTime)*1000.0f); |
---|
2832 | OpenThreads::Thread::microSleep(static_cast<unsigned int>(1.0e6*(_minFrameTime - _lastFrameTime))); |
---|
2833 | } |
---|
2834 | #endif |
---|
2835 | #endif |
---|
2836 | #ifdef WANT_FRAME |
---|
2837 | if (_viewer->getViewerStats() != NULL) { |
---|
2838 | _viewer->getViewerStats()->report(std::cerr, _viewer->getViewerStats()->getLatestFrameNumber()); |
---|
2839 | } |
---|
2840 | #endif |
---|
2841 | _needsRedraw = false; |
---|
2842 | return true; |
---|
2843 | } else { |
---|
2844 | _renderStartTime = _renderStopTime = osg::Timer::instance()->tick(); |
---|
2845 | _renderTime = 0; |
---|
2846 | return false; |
---|
2847 | } |
---|
2848 | } |
---|
2849 | |
---|
2850 | /** |
---|
2851 | * \brief Read back the rendered framebuffer image |
---|
2852 | */ |
---|
2853 | osg::Image *Renderer::getRenderedFrame() |
---|
2854 | { |
---|
2855 | if (_captureCallback.valid()) |
---|
2856 | return _captureCallback->getImage(); |
---|
2857 | else |
---|
2858 | return NULL; |
---|
2859 | } |
---|
2860 | |
---|
2861 | void Renderer::setScaleBar(bool state) |
---|
2862 | { |
---|
2863 | if (_scaleLabel.valid()) { |
---|
2864 | _scaleLabel->setVisible(state); |
---|
2865 | } |
---|
2866 | if (_scaleBar.valid()) { |
---|
2867 | _scaleBar->setVisible(state); |
---|
2868 | } |
---|
2869 | _needsRedraw = true; |
---|
2870 | } |
---|
2871 | |
---|
2872 | void Renderer::setScaleBarUnits(ScaleBarUnits units) |
---|
2873 | { |
---|
2874 | _scaleBarUnits = units; |
---|
2875 | _needsRedraw = true; |
---|
2876 | } |
---|
2877 | |
---|
2878 | /** |
---|
2879 | * \brief Compute the scale ratio of the map based on a horizontal center line |
---|
2880 | * |
---|
2881 | * The idea here is to take 2 screen points on a horizontal line in the center |
---|
2882 | * of the screen and convert to lat/long. The lat/long coordinates are then |
---|
2883 | * used to compute the great circle distance (assuming spherical earth) between |
---|
2884 | * the points. |
---|
2885 | * |
---|
2886 | * We could use local projected map coordinates for the distance computation, |
---|
2887 | * which would be faster; however, this would not show e.g. the change in |
---|
2888 | * scale at different latitudes |
---|
2889 | */ |
---|
2890 | double Renderer::computeMapScale() |
---|
2891 | { |
---|
2892 | if (!_scaleLabel.valid() || !_scaleLabel->visible()) { |
---|
2893 | return -1.0; |
---|
2894 | } |
---|
2895 | if (!_mapNode.valid() || _mapNode->getTerrain() == NULL) { |
---|
2896 | ERROR("No map"); |
---|
2897 | return -1.0; |
---|
2898 | } |
---|
2899 | if (!_viewer.valid()) { |
---|
2900 | ERROR("No viewer"); |
---|
2901 | return -1.0; |
---|
2902 | } |
---|
2903 | |
---|
2904 | double x, y; |
---|
2905 | double pixelWidth = _windowWidth * 0.1 * 2.0; |
---|
2906 | if (pixelWidth < 10) |
---|
2907 | pixelWidth = 10; |
---|
2908 | if (pixelWidth > 150) |
---|
2909 | pixelWidth = 150; |
---|
2910 | x = (double)(_windowWidth -1)/2.0 - pixelWidth / 2.0; |
---|
2911 | y = (double)(_windowHeight-1)/2.0; |
---|
2912 | |
---|
2913 | osg::Vec3d world1, world2; |
---|
2914 | if (!_mapNode->getTerrain()->getWorldCoordsUnderMouse(_viewer->asView(), x, y, world1)) { |
---|
2915 | // off map |
---|
2916 | TRACE("Off map coords: %g %g", x, y); |
---|
2917 | _scaleLabel->setText(""); |
---|
2918 | _scaleBar->setWidth(0); |
---|
2919 | return -1.0; |
---|
2920 | } |
---|
2921 | x += pixelWidth; |
---|
2922 | if (!_mapNode->getTerrain()->getWorldCoordsUnderMouse(_viewer->asView(), x, y, world2)) { |
---|
2923 | // off map |
---|
2924 | TRACE("Off map coords: %g %g", x, y); |
---|
2925 | _scaleLabel->setText(""); |
---|
2926 | _scaleBar->setWidth(0); |
---|
2927 | return -1.0; |
---|
2928 | } |
---|
2929 | |
---|
2930 | #if 0 |
---|
2931 | TRACE("w1: %g %g %g w2: %g %g %g", |
---|
2932 | world1.x(), world1.y(), world1.z(), |
---|
2933 | world2.x(), world2.y(), world2.z()); |
---|
2934 | #endif |
---|
2935 | |
---|
2936 | double meters; |
---|
2937 | double radius = 6378137.0; |
---|
2938 | if (_mapNode->getMapSRS() && |
---|
2939 | _mapNode->getMapSRS()->getEllipsoid()) { |
---|
2940 | radius = _mapNode->getMapSRS()->getEllipsoid()->getRadiusEquator(); |
---|
2941 | } |
---|
2942 | if (!_map->isGeocentric() && |
---|
2943 | _mapNode->getMapSRS() && |
---|
2944 | _mapNode->getMapSRS()->isGeographic()) { |
---|
2945 | TRACE("Map is geographic"); |
---|
2946 | // World cords are already lat/long |
---|
2947 | // Compute great circle distance |
---|
2948 | meters = |
---|
2949 | osgEarth::GeoMath::distance(world1, world2, _mapNode->getMapSRS()); |
---|
2950 | } else if (_mapNode->getMapSRS()) { |
---|
2951 | // Get map coords in lat/long |
---|
2952 | osgEarth::GeoPoint mapPoint1, mapPoint2; |
---|
2953 | mapPoint1.fromWorld(_mapNode->getMapSRS(), world1); |
---|
2954 | mapPoint1.makeGeographic(); |
---|
2955 | mapPoint2.fromWorld(_mapNode->getMapSRS(), world2); |
---|
2956 | mapPoint2.makeGeographic(); |
---|
2957 | // Compute great circle distance |
---|
2958 | meters = |
---|
2959 | osgEarth::GeoMath::distance(osg::DegreesToRadians(mapPoint1.y()), |
---|
2960 | osg::DegreesToRadians(mapPoint1.x()), |
---|
2961 | osg::DegreesToRadians(mapPoint2.y()), |
---|
2962 | osg::DegreesToRadians(mapPoint2.x()), |
---|
2963 | radius); |
---|
2964 | } else { |
---|
2965 | // Assume geocentric? |
---|
2966 | ERROR("No map SRS"); |
---|
2967 | _scaleLabel->setText(""); |
---|
2968 | _scaleBar->setWidth(0); |
---|
2969 | return -1.0; |
---|
2970 | } |
---|
2971 | |
---|
2972 | double scale = meters / pixelWidth; |
---|
2973 | // 1mi = 5280 feet |
---|
2974 | //double scaleMiles = scale / 1609.344; // International mile = 1609.344m |
---|
2975 | //double scaleNauticalMiles = scale / 1852.0; // nautical mile = 1852m |
---|
2976 | //double scaleUSSurveyMiles = scale / 1609.347218694; // US survey mile = 5280 US survey feet |
---|
2977 | //double scaleUSSurveyFeet = scale * 3937.0/1200.0; // US survey foot = 1200/3937 m |
---|
2978 | #if 0 |
---|
2979 | TRACE("m: %g px: %g m/px: %g", meters, pixelWidth, scale); |
---|
2980 | #endif |
---|
2981 | _mapScale = scale; |
---|
2982 | switch (_scaleBarUnits) { |
---|
2983 | case UNITS_NAUTICAL_MILES: { |
---|
2984 | double nmi = meters / 1852.0; |
---|
2985 | scale = nmi / pixelWidth; |
---|
2986 | nmi = normalizeScaleNauticalMiles(nmi); |
---|
2987 | pixelWidth = nmi / scale; |
---|
2988 | if (_scaleLabel.valid()) { |
---|
2989 | _scaleLabel->setText(osgEarth::Stringify() |
---|
2990 | << nmi |
---|
2991 | << " nmi"); |
---|
2992 | } |
---|
2993 | } |
---|
2994 | break; |
---|
2995 | case UNITS_US_SURVEY_FEET: { |
---|
2996 | double feet = meters * 3937.0/1200.0; |
---|
2997 | scale = feet / pixelWidth; |
---|
2998 | feet = normalizeScaleFeet(feet); |
---|
2999 | pixelWidth = feet / scale; |
---|
3000 | if (_scaleLabel.valid()) { |
---|
3001 | if (feet >= 5280) { |
---|
3002 | _scaleLabel->setText(osgEarth::Stringify() |
---|
3003 | << feet / 5280.0 |
---|
3004 | << " miUS"); |
---|
3005 | } else { |
---|
3006 | _scaleLabel->setText(osgEarth::Stringify() |
---|
3007 | << feet |
---|
3008 | << " ftUS"); |
---|
3009 | } |
---|
3010 | } |
---|
3011 | } |
---|
3012 | break; |
---|
3013 | case UNITS_INTL_FEET: { |
---|
3014 | double feet = 5280.0 * meters / 1609.344; |
---|
3015 | scale = feet / pixelWidth; |
---|
3016 | feet = normalizeScaleFeet(feet); |
---|
3017 | pixelWidth = feet / scale; |
---|
3018 | if (_scaleLabel.valid()) { |
---|
3019 | if (feet >= 5280) { |
---|
3020 | _scaleLabel->setText(osgEarth::Stringify() |
---|
3021 | << feet / 5280.0 |
---|
3022 | << " mi"); |
---|
3023 | } else { |
---|
3024 | _scaleLabel->setText(osgEarth::Stringify() |
---|
3025 | << feet |
---|
3026 | << " ft"); |
---|
3027 | } |
---|
3028 | } |
---|
3029 | } |
---|
3030 | break; |
---|
3031 | case UNITS_METERS: |
---|
3032 | default: { |
---|
3033 | meters = normalizeScaleMeters(meters); |
---|
3034 | pixelWidth = meters / scale; |
---|
3035 | if (_scaleLabel.valid()) { |
---|
3036 | if (meters >= 1000) { |
---|
3037 | _scaleLabel->setText(osgEarth::Stringify() |
---|
3038 | << meters / 1000.0 |
---|
3039 | << " km"); |
---|
3040 | } else { |
---|
3041 | _scaleLabel->setText(osgEarth::Stringify() |
---|
3042 | << meters |
---|
3043 | << " m"); |
---|
3044 | } |
---|
3045 | } |
---|
3046 | } |
---|
3047 | break; |
---|
3048 | } |
---|
3049 | if (_scaleBar.valid()) { |
---|
3050 | _scaleBar->setWidth(pixelWidth); |
---|
3051 | } |
---|
3052 | return scale; |
---|
3053 | } |
---|
3054 | |
---|
3055 | std::string Renderer::getCanonicalPath(const std::string& url) const |
---|
3056 | { |
---|
3057 | std::string retStr; |
---|
3058 | std::string proto = osgDB::getServerProtocol(url); |
---|
3059 | if (proto.empty()) { |
---|
3060 | retStr = osgDB::getRealPath(url); |
---|
3061 | if (!osgDB::fileExists(retStr)) { |
---|
3062 | if (!url.empty() && url[0] != '/') { |
---|
3063 | // Relative URL, assume local:// |
---|
3064 | std::ostringstream oss; |
---|
3065 | oss << getCacheDirectory() << "/" << url; |
---|
3066 | retStr = oss.str(); |
---|
3067 | } else { |
---|
3068 | retStr = ""; |
---|
3069 | } |
---|
3070 | } |
---|
3071 | } else if (proto == "local") { |
---|
3072 | TRACE("Local protocol: '%s'", getLocalFilePath(url).c_str()); |
---|
3073 | std::ostringstream oss; |
---|
3074 | oss << getCacheDirectory() << "/" << getLocalFilePath(url); |
---|
3075 | retStr = oss.str(); |
---|
3076 | } else if (proto == "file") { |
---|
3077 | TRACE("File: '/%s'", osgDB::getServerFileName(url).c_str()); |
---|
3078 | std::ostringstream oss; |
---|
3079 | oss << "/" << osgDB::getServerFileName(url); |
---|
3080 | retStr = oss.str(); |
---|
3081 | } else if (proto == "idata") { |
---|
3082 | std::string fileName = osgDB::getServerFileName(url); |
---|
3083 | TRACE("IData protocol: coll: '%s', '%s'", osgDB::getServerAddress(url).c_str(), fileName.c_str()); |
---|
3084 | int collection = atoi(osgDB::getServerAddress(url).c_str()); |
---|
3085 | { |
---|
3086 | std::ostringstream oss; |
---|
3087 | oss << getCacheDirectory() << "/" << fileName; |
---|
3088 | retStr = oss.str(); |
---|
3089 | std::string dirPath = osgDB::getFilePath(retStr); |
---|
3090 | osgDB::makeDirectory(dirPath); |
---|
3091 | } |
---|
3092 | // If this is a shape file, get auxiliary files (e.g. .dbf, .shx, etc) |
---|
3093 | if (osgDB::getFileExtension(fileName) == "shp") { |
---|
3094 | // Check for files with same basename |
---|
3095 | std::vector<DirectoryItem> items; |
---|
3096 | std::string path = osgDB::getFilePath(fileName); |
---|
3097 | getContents(collection, path.c_str(), items); |
---|
3098 | // Get name without extension |
---|
3099 | std::string basename = osgDB::getStrippedName(fileName); |
---|
3100 | for (std::vector<DirectoryItem>::const_iterator itr = items.begin(); |
---|
3101 | itr != items.end(); ++itr) { |
---|
3102 | if (!itr->isDir && |
---|
3103 | osgDB::getStrippedName(itr->name) == basename) { |
---|
3104 | std::string localName; |
---|
3105 | { |
---|
3106 | std::ostringstream oss; |
---|
3107 | oss << getCacheDirectory() << "/" << itr->name; |
---|
3108 | localName = oss.str(); |
---|
3109 | } |
---|
3110 | if (!localName.empty() && !osgDB::fileExists(localName)) { |
---|
3111 | IData::Buffer buf; |
---|
3112 | { |
---|
3113 | std::ostringstream oss; |
---|
3114 | oss << "//" << itr->name; |
---|
3115 | IData::getFile(collection, oss.str().c_str(), &buf); |
---|
3116 | } |
---|
3117 | std::ofstream file(localName.c_str()); |
---|
3118 | file.write((char *)buf.data, buf.size); |
---|
3119 | file.close(); |
---|
3120 | } |
---|
3121 | } |
---|
3122 | } |
---|
3123 | } |
---|
3124 | if (!osgDB::fileExists(retStr)) { |
---|
3125 | std::ostringstream oss; |
---|
3126 | oss << "//" << fileName; |
---|
3127 | IData::Buffer buf; |
---|
3128 | IData::getFile(collection, oss.str().c_str(), &buf); |
---|
3129 | std::ofstream file(retStr.c_str()); |
---|
3130 | file.write((char *)buf.data, buf.size); |
---|
3131 | file.close(); |
---|
3132 | } |
---|
3133 | } else { |
---|
3134 | TRACE("Protocol: '%s' url: '%s'", proto.c_str(), url.c_str()); |
---|
3135 | retStr = url; |
---|
3136 | } |
---|
3137 | return retStr; |
---|
3138 | } |
---|
3139 | |
---|
3140 | void Renderer::writeScene(const std::string& file) |
---|
3141 | { |
---|
3142 | if (_sceneRoot.valid()) { |
---|
3143 | GraphPrintVisitor gpv; |
---|
3144 | _sceneRoot->accept(gpv); |
---|
3145 | //osgDB::writeNodeFile(*_sceneRoot.get(), file); |
---|
3146 | } |
---|
3147 | } |
---|