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