1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * Copyright (C) 2004-2013 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 | |
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14 | #include <limits> |
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15 | #include <set> |
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16 | |
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17 | #include <sys/types.h> |
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18 | #include <unistd.h> // For getpid() |
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19 | |
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20 | #include <GL/gl.h> |
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21 | |
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22 | #ifdef WANT_TRACE |
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23 | #include <sys/time.h> |
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24 | #endif |
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25 | |
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26 | #include <osgDB/WriteFile> |
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27 | #include <osgDB/FileUtils> |
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28 | #include <osgDB/FileNameUtils> |
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29 | #include <osgGA/StateSetManipulator> |
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30 | #include <osgGA/GUIEventAdapter> |
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31 | #include <osgViewer/ViewerEventHandlers> |
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32 | |
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33 | #include <osgEarth/Version> |
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34 | #include <osgEarth/FileUtils> |
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35 | #include <osgEarth/Cache> |
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36 | #include <osgEarth/CachePolicy> |
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37 | #include <osgEarthDrivers/cache_filesystem/FileSystemCache> |
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38 | #include <osgEarth/MapNode> |
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39 | #include <osgEarth/Bounds> |
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40 | #include <osgEarth/Profile> |
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41 | #include <osgEarth/Viewpoint> |
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42 | #include <osgEarth/GeoMath> |
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43 | #include <osgEarth/TerrainLayer> |
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44 | #include <osgEarth/ImageLayer> |
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45 | #include <osgEarth/ElevationLayer> |
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46 | #include <osgEarth/ModelLayer> |
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47 | #include <osgEarth/DateTime> |
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48 | #include <osgEarth/Pickers> |
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49 | #include <osgEarthFeatures/Feature> |
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50 | #include <osgEarthSymbology/Color> |
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51 | #include <osgEarthSymbology/Geometry> |
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52 | #include <osgEarthSymbology/Style> |
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53 | #include <osgEarthSymbology/StyleSheet> |
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54 | #include <osgEarthSymbology/IconSymbol> |
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55 | #include <osgEarthSymbology/LineSymbol> |
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56 | |
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57 | #include <osgEarthAnnotation/AnnotationNode> |
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58 | #include <osgEarthAnnotation/FeatureNode> |
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59 | #include <osgEarthAnnotation/PlaceNode> |
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60 | #include <osgEarthAnnotation/HighlightDecoration> |
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61 | #include <osgEarthAnnotation/ScaleDecoration> |
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62 | #include <osgEarthUtil/EarthManipulator> |
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63 | #if OSGEARTH_MIN_VERSION_REQUIRED(2, 5, 1) |
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64 | #include <osgEarthUtil/Sky> |
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65 | #include <osgEarthDrivers/sky_simple/SimpleSkyOptions> |
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66 | #else |
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67 | #include <osgEarthUtil/SkyNode> |
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68 | #endif |
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69 | #include <osgEarthUtil/AutoClipPlaneHandler> |
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70 | #include <osgEarthUtil/MouseCoordsTool> |
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71 | #include <osgEarthUtil/UTMGraticule> |
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72 | #include <osgEarthUtil/MGRSGraticule> |
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73 | #include <osgEarthUtil/GeodeticGraticule> |
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74 | #include <osgEarthUtil/LatLongFormatter> |
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75 | #include <osgEarthUtil/MGRSFormatter> |
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76 | #include <osgEarthUtil/GLSLColorFilter> |
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77 | #include <osgEarthUtil/VerticalScale> |
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78 | #include <osgEarthDrivers/gdal/GDALOptions> |
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79 | #include <osgEarthDrivers/engine_mp/MPTerrainEngineOptions> |
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80 | |
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81 | #include "Renderer.h" |
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82 | #if 0 |
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83 | #include "SingleWindow.h" |
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84 | #endif |
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85 | #include "ScaleBar.h" |
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86 | #include "FileUtil.h" |
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87 | #include "Trace.h" |
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88 | |
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89 | #define MSECS_ELAPSED(t1, t2) \ |
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90 | ((t1).tv_sec == (t2).tv_sec ? (((t2).tv_usec - (t1).tv_usec)/1.0e+3) : \ |
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91 | (((t2).tv_sec - (t1).tv_sec))*1.0e+3 + (double)((t2).tv_usec - (t1).tv_usec)/1.0e+3) |
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92 | |
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93 | #ifndef CACHE_DIR |
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94 | #define CACHE_DIR "/var/cache/geovis" |
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95 | #endif |
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96 | #define BASE_IMAGE "world.tif" |
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97 | #define PIN_ICON "placemark32.png" |
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98 | |
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99 | using namespace GeoVis; |
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100 | |
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101 | Renderer::Renderer() : |
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102 | _needsRedraw(false), |
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103 | _windowWidth(500), |
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104 | _windowHeight(500), |
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105 | _scaleBarUnits(UNITS_METERS) |
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106 | { |
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107 | TRACE("Enter"); |
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108 | |
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109 | _bgColor[0] = 0; |
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110 | _bgColor[1] = 0; |
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111 | _bgColor[2] = 0; |
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112 | //setMaximumFrameRateInHertz(15.0); |
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113 | // 100 Mbps |
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114 | setMaximumBitrate(1.0e8); |
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115 | _lastFrameTime = _minFrameTime; |
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116 | TRACE("Bandwidth target: %.2f Mbps", (float)(getMaximumBitrate()/1.0e6)); |
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117 | TRACE("Frame rate target: %.2f Hz", (float)getMaximumFrameRateInHertz()); |
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118 | TRACE("Frame time target: %.2f msec", _minFrameTime * 1000.0f); |
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119 | |
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120 | setCacheBaseDirectory(CACHE_DIR); |
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121 | char *base = getenv("MAP_BASE_URI"); |
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122 | if (base != NULL) { |
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123 | _baseURI = base; |
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124 | TRACE("Setting base URI: %s", _baseURI.c_str()); |
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125 | } |
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126 | } |
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127 | |
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128 | osgGA::EventQueue *Renderer::getEventQueue() |
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129 | { |
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130 | if (_viewer.valid()) { |
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131 | osgViewer::ViewerBase::Windows windows; |
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132 | _viewer->getWindows(windows); |
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133 | if (windows.size() > 0) { |
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134 | return windows[0]->getEventQueue(); |
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135 | } |
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136 | } |
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137 | return NULL; |
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138 | } |
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139 | |
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140 | Renderer::~Renderer() |
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141 | { |
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142 | TRACE("Enter"); |
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143 | |
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144 | // Cache is deleted in main() to allow ref-counted objects to |
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145 | // be deleted and threads to exit first |
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146 | |
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147 | TRACE("Leave"); |
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148 | } |
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149 | |
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150 | std::string Renderer::getBaseImage() |
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151 | { |
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152 | std::ostringstream oss; |
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153 | oss << _resourcePath << "/" << BASE_IMAGE; |
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154 | return oss.str(); |
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155 | } |
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156 | |
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157 | std::string Renderer::getPinIcon() |
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158 | { |
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159 | std::ostringstream oss; |
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160 | oss << _resourcePath << "/" << PIN_ICON; |
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161 | return oss.str(); |
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162 | } |
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163 | |
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164 | void Renderer::setupCache() |
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165 | { |
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166 | std::ostringstream dir; |
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167 | dir << _cacheBaseDir << "/geovis_cache" << getpid(); |
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168 | _cacheDir = dir.str(); |
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169 | const char *path = _cacheDir.c_str(); |
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170 | TRACE("Cache dir: %s", path); |
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171 | removeDirectory(path); |
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172 | if (!osgDB::makeDirectory(_cacheDir)) { |
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173 | ERROR("Failed to create directory '%s'", path); |
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174 | } |
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175 | } |
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176 | |
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177 | void Renderer::initColorMaps() |
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178 | { |
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179 | if (!_colorMaps.empty()) |
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180 | return; |
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181 | |
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182 | osg::TransferFunction1D *defaultColorMap = new osg::TransferFunction1D; |
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183 | defaultColorMap->allocate(256); |
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184 | defaultColorMap->setColor(0.00, osg::Vec4f(0,0,1,1), false); |
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185 | defaultColorMap->setColor(0.25, osg::Vec4f(0,1,1,1), false); |
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186 | defaultColorMap->setColor(0.50, osg::Vec4f(0,1,0,1), false); |
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187 | defaultColorMap->setColor(0.75, osg::Vec4f(1,1,0,1), false); |
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188 | defaultColorMap->setColor(1.00, osg::Vec4f(1,0,0,1), false); |
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189 | defaultColorMap->updateImage(); |
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190 | addColorMap("default", defaultColorMap); |
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191 | osg::TransferFunction1D *defaultGrayColorMap = new osg::TransferFunction1D; |
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192 | defaultGrayColorMap->allocate(256); |
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193 | defaultGrayColorMap->setColor(0, osg::Vec4f(0,0,0,1), false); |
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194 | defaultGrayColorMap->setColor(1, osg::Vec4f(1,1,1,1), false); |
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195 | defaultGrayColorMap->updateImage(); |
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196 | addColorMap("grayDefault", defaultGrayColorMap); |
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197 | } |
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198 | |
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199 | void Renderer::addColorMap(const ColorMapId& id, osg::TransferFunction1D *xfer) |
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200 | { |
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201 | _colorMaps[id] = xfer; |
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202 | } |
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203 | |
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204 | void Renderer::deleteColorMap(const ColorMapId& id) |
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205 | { |
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206 | ColorMapHashmap::iterator itr; |
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207 | bool doAll = false; |
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208 | |
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209 | if (id.compare("all") == 0) { |
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210 | itr = _colorMaps.begin(); |
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211 | doAll = true; |
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212 | } else { |
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213 | itr = _colorMaps.find(id); |
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214 | } |
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215 | |
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216 | if (itr == _colorMaps.end()) { |
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217 | ERROR("Unknown ColorMap %s", id.c_str()); |
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218 | return; |
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219 | } |
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220 | |
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221 | do { |
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222 | if (itr->first.compare("default") == 0 || |
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223 | itr->first.compare("grayDefault") == 0) { |
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224 | if (id.compare("all") != 0) { |
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225 | WARN("Cannot delete a default color map"); |
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226 | } |
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227 | continue; |
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228 | } |
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229 | |
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230 | TRACE("Deleting ColorMap %s", itr->first.c_str()); |
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231 | itr = _colorMaps.erase(itr); |
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232 | } while (doAll && itr != _colorMaps.end()); |
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233 | } |
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234 | |
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235 | void Renderer::setColorMapNumberOfTableEntries(const ColorMapId& id, |
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236 | int numEntries) |
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237 | { |
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238 | ColorMapHashmap::iterator itr; |
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239 | bool doAll = false; |
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240 | |
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241 | if (id.compare("all") == 0) { |
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242 | itr = _colorMaps.begin(); |
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243 | doAll = true; |
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244 | } else { |
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245 | itr = _colorMaps.find(id); |
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246 | } |
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247 | |
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248 | if (itr == _colorMaps.end()) { |
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249 | ERROR("Unknown ColorMap %s", id.c_str()); |
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250 | return; |
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251 | } |
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252 | |
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253 | do { |
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254 | itr->second->allocate(numEntries); |
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255 | itr->second->updateImage(); |
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256 | } while (doAll && ++itr != _colorMaps.end()); |
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257 | } |
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258 | |
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259 | void Renderer::initViewer() { |
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260 | if (_viewer.valid()) |
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261 | return; |
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262 | _viewer = new osgViewer::Viewer(); |
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263 | #if 1 |
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264 | osg::DisplaySettings *ds = _viewer->getDisplaySettings(); |
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265 | if (ds == NULL) { |
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266 | ds = osg::DisplaySettings::instance().get(); |
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267 | } |
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268 | ds->setDoubleBuffer(false); |
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269 | ds->setMinimumNumAlphaBits(8); |
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270 | ds->setMinimumNumStencilBits(8); |
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271 | ds->setNumMultiSamples(0); |
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272 | #endif |
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273 | _viewer->setThreadingModel(osgViewer::ViewerBase::SingleThreaded); |
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274 | _viewer->getDatabasePager()->setUnrefImageDataAfterApplyPolicy(false, false); |
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275 | _viewer->setReleaseContextAtEndOfFrameHint(false); |
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276 | //_viewer->setLightingMode(osg::View::SKY_LIGHT); |
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277 | _viewer->getCamera()->setClearColor(osg::Vec4(_bgColor[0], _bgColor[1], _bgColor[2], 1)); |
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278 | _viewer->getCamera()->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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279 | _viewer->getCamera()->setNearFarRatio(0.00002); |
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280 | _viewer->getCamera()->setSmallFeatureCullingPixelSize(-1.0f); |
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281 | _stateManip = new osgGA::StateSetManipulator(_viewer->getCamera()->getOrCreateStateSet()); |
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282 | _viewer->addEventHandler(_stateManip); |
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283 | //_viewer->addEventHandler(new osgViewer::StatsHandler()); |
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284 | |
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285 | #ifdef DEBUG |
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286 | if (_viewer->getViewerStats() != NULL) { |
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287 | TRACE("Enabling stats"); |
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288 | _viewer->getViewerStats()->collectStats("scene", true); |
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289 | } |
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290 | #endif |
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291 | #if 0 |
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292 | osgViewer::ViewerBase::Windows windows; |
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293 | _viewer->getWindows(windows); |
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294 | if (windows.size() == 1) { |
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295 | windows[0]->setSyncToVBlank(false); |
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296 | } else { |
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297 | ERROR("Num windows: %lu", windows.size()); |
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298 | } |
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299 | #endif |
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300 | } |
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301 | |
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302 | void Renderer::finalizeViewer() { |
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303 | initViewer(); |
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304 | TRACE("Before _viewer->isRealized()"); |
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305 | if (!_viewer->isRealized()) { |
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306 | int screen = 0; |
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307 | const char *displayEnv = getenv("DISPLAY"); |
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308 | if (displayEnv != NULL) { |
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309 | TRACE("DISPLAY: %s", displayEnv); |
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310 | // 3 parts: host, display, screen |
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311 | int part = 0; |
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312 | for (size_t c = 0; c < strlen(displayEnv); c++) { |
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313 | if (displayEnv[c] == ':') { |
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314 | part = 1; |
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315 | } else if (part == 1 && displayEnv[c] == '.') { |
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316 | part = 2; |
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317 | } else if (part == 2) { |
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318 | screen = atoi(&displayEnv[c]); |
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319 | break; |
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320 | } |
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321 | } |
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322 | } |
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323 | TRACE("Using screen: %d", screen); |
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324 | #ifdef USE_OFFSCREEN_RENDERING |
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325 | #ifdef USE_PBUFFER |
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326 | osg::ref_ptr<osg::GraphicsContext> pbuffer; |
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327 | osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits; |
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328 | traits->x = 0; |
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329 | traits->y = 0; |
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330 | traits->width = _windowWidth; |
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331 | traits->height = _windowHeight; |
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332 | traits->red = 8; |
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333 | traits->green = 8; |
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334 | traits->blue = 8; |
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335 | traits->alpha = 8; |
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336 | traits->windowDecoration = false; |
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337 | traits->pbuffer = true; |
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338 | traits->doubleBuffer = true; |
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339 | traits->sharedContext = 0; |
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340 | |
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341 | pbuffer = osg::GraphicsContext::createGraphicsContext(traits.get()); |
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342 | if (pbuffer.valid()) { |
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343 | TRACE("Pixel buffer has been created successfully."); |
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344 | } else { |
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345 | ERROR("Pixel buffer has not been created successfully."); |
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346 | } |
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347 | osg::Camera *camera = new osg::Camera; |
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348 | camera->setGraphicsContext(pbuffer.get()); |
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349 | camera->setViewport(new osg::Viewport(0, 0, _windowWidth, _windowHeight)); |
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350 | GLenum buffer = pbuffer->getTraits()->doubleBuffer ? GL_BACK : GL_FRONT; |
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351 | camera->setDrawBuffer(buffer); |
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352 | camera->setReadBuffer(buffer); |
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353 | _captureCallback = new ScreenCaptureCallback(); |
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354 | camera->setFinalDrawCallback(_captureCallback.get()); |
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355 | _viewer->addSlave(camera, osg::Matrixd(), osg::Matrixd()); |
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356 | #else |
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357 | _viewer->getCamera()->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); |
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358 | osg::Texture2D* texture2D = new osg::Texture2D; |
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359 | texture2D->setTextureSize(_windowWidth, _windowHeight); |
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360 | texture2D->setInternalFormat(GL_RGBA); |
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361 | texture2D->setFilter(osg::Texture2D::MIN_FILTER, osg::Texture2D::NEAREST); |
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362 | texture2D->setFilter(osg::Texture2D::MAG_FILTER, osg::Texture2D::NEAREST); |
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363 | |
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364 | _viewer->getCamera()->setImplicitBufferAttachmentMask(0, 0); |
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365 | _viewer->getCamera()->attach(osg::Camera::COLOR_BUFFER0, texture2D); |
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366 | //_viewer->getCamera()->attach(osg::Camera::DEPTH_BUFFER, GL_DEPTH_COMPONENT24); |
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367 | _viewer->getCamera()->attach(osg::Camera::PACKED_DEPTH_STENCIL_BUFFER, GL_DEPTH24_STENCIL8_EXT); |
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368 | _captureCallback = new ScreenCaptureCallback(texture2D); |
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369 | _viewer->getCamera()->setFinalDrawCallback(_captureCallback.get()); |
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370 | _viewer->setUpViewInWindow(0, 0, _windowWidth, _windowHeight, screen); |
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371 | #endif |
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372 | #else |
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373 | _captureCallback = new ScreenCaptureCallback(); |
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374 | _viewer->getCamera()->setFinalDrawCallback(_captureCallback.get()); |
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375 | #if 1 |
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376 | _viewer->setUpViewInWindow(0, 0, _windowWidth, _windowHeight, screen); |
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377 | #else |
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378 | SingleWindow *windowConfig = new SingleWindow(0, 0, _windowWidth, _windowHeight, screen); |
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379 | osg::DisplaySettings *ds = windowConfig->getActiveDisplaySetting(*_viewer.get()); |
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380 | ds->setDoubleBuffer(false); |
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381 | ds->setMinimumNumAlphaBits(8); |
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382 | ds->setMinimumNumStencilBits(8); |
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383 | ds->setNumMultiSamples(0); |
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384 | windowConfig->setWindowDecoration(false); |
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385 | windowConfig->setOverrideRedirect(false); |
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386 | _viewer->apply(windowConfig); |
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387 | #endif |
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388 | #endif |
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389 | _viewer->realize(); |
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390 | initColorMaps(); |
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391 | // HACK: This seems to initialize something required for properly |
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392 | // mapping mouse coords |
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393 | assert(getEventQueue() != NULL); |
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394 | getEventQueue()->mouseMotion(_windowWidth/2, _windowHeight/2); |
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395 | } |
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396 | } |
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397 | |
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398 | void Renderer::initControls() |
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399 | { |
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400 | if (_hbox.valid()) |
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401 | return; |
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402 | _hbox = |
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403 | new osgEarth::Util::Controls::HBox(osgEarth::Util::Controls::Control::ALIGN_RIGHT, |
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404 | osgEarth::Util::Controls::Control::ALIGN_BOTTOM, |
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405 | osgEarth::Util::Controls::Gutter(0, 2, 2, 0), 2.0f); |
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406 | _copyrightLabel = |
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407 | new osgEarth::Util::Controls::LabelControl("Map data © 2014 ACME Corp.", 12.0f); |
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408 | _copyrightLabel->setForeColor(osg::Vec4f(1, 1, 1, 1)); |
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409 | _copyrightLabel->setHaloColor(osg::Vec4f(0, 0, 0, 1)); |
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410 | _copyrightLabel->setEncoding(osgText::String::ENCODING_UTF8); |
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411 | _scaleLabel = |
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412 | new osgEarth::Util::Controls::LabelControl("- km", 12.0f); |
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413 | _scaleLabel->setForeColor(osg::Vec4f(1, 1, 1, 1)); |
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414 | _scaleLabel->setHaloColor(osg::Vec4f(0, 0, 0, 1)); |
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415 | _scaleBar = |
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416 | new osgEarth::Util::Controls::Frame(); |
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417 | _scaleBar->setVertFill(true); |
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418 | _scaleBar->setForeColor(osg::Vec4f(0, 0, 0, 1)); |
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419 | _scaleBar->setBackColor(osg::Vec4f(1, 1, 1, 0.6)); |
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420 | _scaleBar->setBorderColor(osg::Vec4f(0, 0, 0 ,1)); |
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421 | _scaleBar->setBorderWidth(1.0); |
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422 | _hbox->addControl(_copyrightLabel.get()); |
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423 | _hbox->addControl(_scaleLabel.get()); |
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424 | _hbox->addControl(_scaleBar.get()); |
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425 | #if OSGEARTH_MIN_VERSION_REQUIRED(2, 5, 1) |
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426 | osgEarth::Util::Controls::ControlCanvas::getOrCreate(_viewer.get())->addControl(_hbox.get()); |
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427 | #else |
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428 | osgEarth::Util::Controls::ControlCanvas::get(_viewer.get(), true)->addControl(_hbox.get()); |
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429 | #endif |
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430 | // Install an event callback to handle scale bar updates |
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431 | // Can't use an update callback since that will trigger |
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432 | // constant rendering |
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433 | _mapNode->setEventCallback(new MapNodeCallback(this)); |
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434 | } |
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435 | |
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436 | void Renderer::setGraticule(bool enable, GraticuleType type) |
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437 | { |
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438 | if (!_mapNode.valid() || !_sceneRoot.valid()) |
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439 | return; |
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440 | if (enable) { |
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441 | if (_graticule.valid()) { |
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442 | _sceneRoot->removeChild(_graticule.get()); |
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443 | _graticule = NULL; |
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444 | } |
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445 | switch (type) { |
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446 | case GRATICULE_UTM: { |
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447 | osgEarth::Util::UTMGraticule *gr = new osgEarth::Util::UTMGraticule(_mapNode.get()); |
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448 | _sceneRoot->addChild(gr); |
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449 | _graticule = gr; |
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450 | } |
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451 | break; |
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452 | case GRATICULE_MGRS: { |
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453 | osgEarth::Util::MGRSGraticule *gr = new osgEarth::Util::MGRSGraticule(_mapNode.get()); |
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454 | _sceneRoot->addChild(gr); |
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455 | _graticule = gr; |
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456 | } |
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457 | break; |
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458 | case GRATICULE_GEODETIC: |
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459 | default: |
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460 | osgEarth::Util::GeodeticGraticule *gr = new osgEarth::Util::GeodeticGraticule(_mapNode.get()); |
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461 | osgEarth::Util::GeodeticGraticuleOptions opt = gr->getOptions(); |
---|
462 | opt.lineStyle()->getOrCreate<osgEarth::Symbology::LineSymbol>()->stroke()->color().set(1,0,0,1); |
---|
463 | gr->setOptions(opt); |
---|
464 | _sceneRoot->addChild(gr); |
---|
465 | _graticule = gr; |
---|
466 | } |
---|
467 | } else if (_graticule.valid()) { |
---|
468 | _sceneRoot->removeChild(_graticule.get()); |
---|
469 | _graticule = NULL; |
---|
470 | } |
---|
471 | _needsRedraw = true; |
---|
472 | } |
---|
473 | |
---|
474 | void Renderer::setReadout(int x, int y) |
---|
475 | { |
---|
476 | if (!_coordsCallback.valid() || !_mapNode.valid() || !_viewer.valid()) |
---|
477 | return; |
---|
478 | |
---|
479 | osgEarth::GeoPoint mapCoord; |
---|
480 | if (mapMouseCoords(x, y, mapCoord)) { |
---|
481 | _coordsCallback->set(mapCoord, _viewer->asView(), _mapNode); |
---|
482 | } else { |
---|
483 | _coordsCallback->reset(_viewer->asView(), _mapNode); |
---|
484 | } |
---|
485 | _needsRedraw = true; |
---|
486 | } |
---|
487 | |
---|
488 | void Renderer::clearReadout() |
---|
489 | { |
---|
490 | if (_coordsCallback.valid()) { |
---|
491 | _coordsCallback->reset(_viewer->asView(), _mapNode); |
---|
492 | } |
---|
493 | _needsRedraw = true; |
---|
494 | } |
---|
495 | |
---|
496 | void Renderer::setCoordinateReadout(bool state, CoordinateDisplayType type, |
---|
497 | int precision) |
---|
498 | { |
---|
499 | if (!state) { |
---|
500 | if (_mouseCoordsTool.valid() && _viewer.valid()) { |
---|
501 | _viewer->removeEventHandler(_mouseCoordsTool.get()); |
---|
502 | _mouseCoordsTool = NULL; |
---|
503 | } |
---|
504 | if (_coordsCallback.valid() && _viewer.valid()) { |
---|
505 | osgEarth::Util::Controls::LabelControl *readout = |
---|
506 | _coordsCallback->getLabel(); |
---|
507 | #if OSGEARTH_MIN_VERSION_REQUIRED(2, 5, 1) |
---|
508 | osgEarth::Util::Controls::ControlCanvas::getOrCreate(_viewer.get())->removeControl(readout); |
---|
509 | #else |
---|
510 | osgEarth::Util::Controls::ControlCanvas::get(_viewer.get(), true)->removeControl(readout); |
---|
511 | #endif |
---|
512 | _coordsCallback = NULL; |
---|
513 | } |
---|
514 | } else { |
---|
515 | initMouseCoordsTool(type, precision); |
---|
516 | } |
---|
517 | _needsRedraw = true; |
---|
518 | } |
---|
519 | |
---|
520 | osgEarth::Util::MGRSFormatter::Precision |
---|
521 | Renderer::getMGRSPrecision(int precisionInMeters) |
---|
522 | { |
---|
523 | switch (precisionInMeters) { |
---|
524 | case 1: |
---|
525 | return osgEarth::Util::MGRSFormatter::PRECISION_1M; |
---|
526 | case 10: |
---|
527 | return osgEarth::Util::MGRSFormatter::PRECISION_10M; |
---|
528 | case 100: |
---|
529 | return osgEarth::Util::MGRSFormatter::PRECISION_100M; |
---|
530 | case 1000: |
---|
531 | return osgEarth::Util::MGRSFormatter::PRECISION_1000M; |
---|
532 | case 10000: |
---|
533 | return osgEarth::Util::MGRSFormatter::PRECISION_10000M; |
---|
534 | case 100000: |
---|
535 | return osgEarth::Util::MGRSFormatter::PRECISION_100000M; |
---|
536 | default: |
---|
537 | ERROR("Invalid precision: %d", precisionInMeters); |
---|
538 | return osgEarth::Util::MGRSFormatter::PRECISION_1M; |
---|
539 | } |
---|
540 | } |
---|
541 | |
---|
542 | void Renderer::initMouseCoordsTool(CoordinateDisplayType type, int precision) |
---|
543 | { |
---|
544 | if (!_viewer.valid()) |
---|
545 | return; |
---|
546 | if (_mouseCoordsTool.valid()) { |
---|
547 | _viewer->removeEventHandler(_mouseCoordsTool.get()); |
---|
548 | } |
---|
549 | _mouseCoordsTool = new MouseCoordsTool(_mapNode.get()); |
---|
550 | osgEarth::Util::Controls::LabelControl *readout; |
---|
551 | if (_coordsCallback.valid()) { |
---|
552 | readout = _coordsCallback->getLabel(); |
---|
553 | _coordsCallback = NULL; |
---|
554 | } else { |
---|
555 | readout = new osgEarth::Util::Controls::LabelControl("", 12.0f); |
---|
556 | #if OSGEARTH_MIN_VERSION_REQUIRED(2, 5, 1) |
---|
557 | osgEarth::Util::Controls::ControlCanvas::getOrCreate(_viewer.get())->addControl(readout); |
---|
558 | #else |
---|
559 | osgEarth::Util::Controls::ControlCanvas::get(_viewer.get(), true)->addControl(readout); |
---|
560 | #endif |
---|
561 | readout->setForeColor(osg::Vec4f(1, 1, 1, 1)); |
---|
562 | readout->setHaloColor(osg::Vec4f(0, 0, 0, 1)); |
---|
563 | } |
---|
564 | |
---|
565 | osgEarth::Util::Formatter *formatter = NULL; |
---|
566 | if (type == COORDS_MGRS) { |
---|
567 | osgEarth::Util::MGRSFormatter::Precision prec = |
---|
568 | osgEarth::Util::MGRSFormatter::PRECISION_1M; |
---|
569 | if (precision > 0) { |
---|
570 | prec = getMGRSPrecision(precision); |
---|
571 | } |
---|
572 | unsigned int opts = 0u; |
---|
573 | formatter = new osgEarth::Util::MGRSFormatter(prec, NULL, opts); |
---|
574 | } else { |
---|
575 | osgEarth::Util::LatLongFormatter::AngularFormat af; |
---|
576 | unsigned int opts = osgEarth::Util::LatLongFormatter::USE_SYMBOLS; |
---|
577 | switch (type) { |
---|
578 | case COORDS_LATLONG_DEGREES_DECIMAL_MINUTES: |
---|
579 | af = osgEarth::Util::LatLongFormatter::FORMAT_DEGREES_DECIMAL_MINUTES; |
---|
580 | break; |
---|
581 | case COORDS_LATLONG_DEGREES_MINUTES_SECONDS: |
---|
582 | af = osgEarth::Util::LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS; |
---|
583 | break; |
---|
584 | default: |
---|
585 | af = osgEarth::Util::LatLongFormatter::FORMAT_DECIMAL_DEGREES; |
---|
586 | } |
---|
587 | osgEarth::Util::LatLongFormatter *latlong = new osgEarth::Util::LatLongFormatter(af, opts); |
---|
588 | if (precision > 0) { |
---|
589 | latlong->setPrecision(precision); |
---|
590 | } |
---|
591 | formatter = latlong; |
---|
592 | } |
---|
593 | _coordsCallback = new MouseCoordsCallback(readout, formatter); |
---|
594 | |
---|
595 | _mouseCoordsTool->addCallback(_coordsCallback.get()); |
---|
596 | _viewer->addEventHandler(_mouseCoordsTool.get()); |
---|
597 | } |
---|
598 | |
---|
599 | void Renderer::initEarthManipulator() |
---|
600 | { |
---|
601 | _manipulator = new osgEarth::Util::EarthManipulator; |
---|
602 | #if 1 |
---|
603 | osgEarth::Util::EarthManipulator::Settings *settings = _manipulator->getSettings(); |
---|
604 | settings->bindMouse(osgEarth::Util::EarthManipulator::ACTION_ROTATE, |
---|
605 | osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON, |
---|
606 | osgGA::GUIEventAdapter::MODKEY_ALT); |
---|
607 | osgEarth::Util::EarthManipulator::ActionOptions options; |
---|
608 | options.clear(); |
---|
609 | options.add(osgEarth::Util::EarthManipulator::OPTION_CONTINUOUS, true); |
---|
610 | settings->bindMouse(osgEarth::Util::EarthManipulator::ACTION_ZOOM, |
---|
611 | osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON, |
---|
612 | osgGA::GUIEventAdapter::MODKEY_ALT, options); |
---|
613 | _manipulator->applySettings(settings); |
---|
614 | #endif |
---|
615 | _viewer->setCameraManipulator(_manipulator.get()); |
---|
616 | _manipulator->setNode(NULL); |
---|
617 | _manipulator->setNode(_sceneRoot.get()); |
---|
618 | //_manipulator->computeHomePosition(); |
---|
619 | } |
---|
620 | |
---|
621 | void Renderer::loadEarthFile(const char *path) |
---|
622 | { |
---|
623 | TRACE("Loading %s", path); |
---|
624 | osg::Node *node = osgDB::readNodeFile(path); |
---|
625 | if (node == NULL) { |
---|
626 | ERROR("Couldn't load %s", path); |
---|
627 | return; |
---|
628 | } |
---|
629 | osgEarth::MapNode *mapNode = osgEarth::MapNode::findMapNode(node); |
---|
630 | if (mapNode == NULL) { |
---|
631 | ERROR("Couldn't find MapNode"); |
---|
632 | return; |
---|
633 | } else { |
---|
634 | initViewer(); |
---|
635 | _sceneRoot = new osg::Group; |
---|
636 | _sceneRoot->addChild(node); |
---|
637 | _map = mapNode->getMap(); |
---|
638 | } |
---|
639 | _mapNode = mapNode; |
---|
640 | |
---|
641 | if (_clipPlaneCullCallback.valid()) { |
---|
642 | _viewer->getCamera()->removeCullCallback(_clipPlaneCullCallback.get()); |
---|
643 | _clipPlaneCullCallback = NULL; |
---|
644 | } |
---|
645 | if (_map->isGeocentric()) { |
---|
646 | _clipPlaneCullCallback = new osgEarth::Util::AutoClipPlaneCullCallback(mapNode); |
---|
647 | _viewer->getCamera()->addCullCallback(_clipPlaneCullCallback.get()); |
---|
648 | } |
---|
649 | _viewer->setSceneData(_sceneRoot.get()); |
---|
650 | |
---|
651 | if (_mouseCoordsTool.valid()) { |
---|
652 | initMouseCoordsTool(); |
---|
653 | } |
---|
654 | initControls(); |
---|
655 | initEarthManipulator(); |
---|
656 | |
---|
657 | _viewer->home(); |
---|
658 | finalizeViewer(); |
---|
659 | _needsRedraw = true; |
---|
660 | } |
---|
661 | |
---|
662 | void Renderer::resetMap(osgEarth::MapOptions::CoordinateSystemType type, |
---|
663 | const char *profile, |
---|
664 | double bounds[4]) |
---|
665 | { |
---|
666 | TRACE("Restting map with type %d, profile %s", type, profile); |
---|
667 | |
---|
668 | osgEarth::MapOptions mapOpts; |
---|
669 | mapOpts.coordSysType() = type; |
---|
670 | if (profile != NULL) { |
---|
671 | if (bounds != NULL) { |
---|
672 | mapOpts.profile() = osgEarth::ProfileOptions(); |
---|
673 | if (strcmp(profile, "geodetic") == 0) { |
---|
674 | mapOpts.profile()->srsString() = "epsg:4326"; |
---|
675 | } else if (strcmp(profile, "spherical-mercator") == 0) { |
---|
676 | // Projection used by Google/Bing/OSM |
---|
677 | // aka epsg:900913 meters in x/y |
---|
678 | // aka WGS84 Web Mercator (Auxiliary Sphere) |
---|
679 | // X/Y: -20037508.34m to 20037508.34m |
---|
680 | mapOpts.profile()->srsString() = "epsg:3857"; |
---|
681 | } else { |
---|
682 | mapOpts.profile()->srsString() = profile; |
---|
683 | } |
---|
684 | TRACE("Setting profile bounds: %g %g %g %g", |
---|
685 | bounds[0], bounds[1], bounds[2], bounds[3]); |
---|
686 | mapOpts.profile()->bounds() = |
---|
687 | osgEarth::Bounds(bounds[0], bounds[1], bounds[2], bounds[3]); |
---|
688 | } else { |
---|
689 | mapOpts.profile() = osgEarth::ProfileOptions(profile); |
---|
690 | } |
---|
691 | } else if (type == osgEarth::MapOptions::CSTYPE_PROJECTED) { |
---|
692 | mapOpts.profile() = osgEarth::ProfileOptions("global-mercator"); |
---|
693 | } |
---|
694 | |
---|
695 | #ifdef USE_CACHE |
---|
696 | setupCache(); |
---|
697 | osgEarth::Drivers::FileSystemCacheOptions cacheOpts; |
---|
698 | cacheOpts.rootPath() = _cacheDir; |
---|
699 | mapOpts.cache() = cacheOpts; |
---|
700 | #endif |
---|
701 | |
---|
702 | initViewer(); |
---|
703 | |
---|
704 | //mapOpts.referenceURI() = _baseURI; |
---|
705 | osgEarth::Map *map = new osgEarth::Map(mapOpts); |
---|
706 | _map = map; |
---|
707 | osgEarth::Drivers::GDALOptions bopts; |
---|
708 | bopts.url() = getBaseImage(); |
---|
709 | addImageLayer("base", bopts); |
---|
710 | #if OSGEARTH_MIN_VERSION_REQUIRED(2, 5, 1) |
---|
711 | osgEarth::Drivers::MPTerrainEngine::MPTerrainEngineOptions mpOpt; |
---|
712 | #else |
---|
713 | osgEarth::Drivers::MPTerrainEngineOptions mpOpt; |
---|
714 | #endif |
---|
715 | // Set background layer color |
---|
716 | mpOpt.color() = osg::Vec4(1, 1, 1, 1); |
---|
717 | //mpOpt.minLOD() = 1; |
---|
718 | // Sets shader uniform for terrain renderer (config var defaults to false) |
---|
719 | mpOpt.enableLighting() = false; |
---|
720 | osgEarth::MapNodeOptions mapNodeOpts(mpOpt); |
---|
721 | // Sets GL_LIGHTING state in MapNode's StateSet (config var defaults to true) |
---|
722 | mapNodeOpts.enableLighting() = true; |
---|
723 | //mapNodeOpts.getTerrainOptions().loadingPolicy().mapLoadingThreadsPerCore() = 1; |
---|
724 | //mapNodeOpts.getTerrainOptions().loadingPolicy().numLoadingThreads() = 1; |
---|
725 | //mapNodeOpts.getTerrainOptions().loadingPolicy().numCompileThreadsPerCore() = 1; |
---|
726 | //mapNodeOpts.getTerrainOptions().loadingPolicy().numCompileThreads() = 1; |
---|
727 | osgEarth::MapNode *mapNode = new osgEarth::MapNode(map, mapNodeOpts); |
---|
728 | _mapNode = mapNode; |
---|
729 | if (_map->isGeocentric()) { |
---|
730 | osgEarth::DateTime now; |
---|
731 | #if OSGEARTH_MIN_VERSION_REQUIRED(2, 5, 1) |
---|
732 | TRACE("Creating SkyNode"); |
---|
733 | osgEarth::Drivers::SimpleSky::SimpleSkyOptions skyOpts; |
---|
734 | skyOpts.hours() = now.hours(); |
---|
735 | skyOpts.ambient() = 0.2f; |
---|
736 | skyOpts.atmosphericLighting() = true; |
---|
737 | skyOpts.exposure() = 3.0; |
---|
738 | _skyNode = osgEarth::Util::SkyNode::create(skyOpts, mapNode); |
---|
739 | _skyNode->addChild(mapNode); |
---|
740 | _skyNode->attach(_viewer.get(), 0); |
---|
741 | _sceneRoot = _skyNode; |
---|
742 | #else |
---|
743 | _sceneRoot = new osg::Group(); |
---|
744 | _sceneRoot->addChild(_mapNode.get()); |
---|
745 | |
---|
746 | TRACE("Creating SkyNode"); |
---|
747 | _skyNode = new osgEarth::Util::SkyNode(map); |
---|
748 | _sceneRoot->addChild(_skyNode.get()); |
---|
749 | _skyNode->setAmbientBrightness(0.2f); |
---|
750 | _skyNode->setDateTime(now); |
---|
751 | _skyNode->attach(_viewer.get(), 0); |
---|
752 | #endif |
---|
753 | } else { |
---|
754 | _sceneRoot = new osg::Group(); |
---|
755 | _sceneRoot->addChild(_mapNode.get()); |
---|
756 | } |
---|
757 | |
---|
758 | if (_clipPlaneCullCallback.valid()) { |
---|
759 | _viewer->getCamera()->removeCullCallback(_clipPlaneCullCallback.get()); |
---|
760 | _clipPlaneCullCallback = NULL; |
---|
761 | } |
---|
762 | if (_map->isGeocentric()) { |
---|
763 | _clipPlaneCullCallback = new osgEarth::Util::AutoClipPlaneCullCallback(mapNode); |
---|
764 | _viewer->getCamera()->addCullCallback(_clipPlaneCullCallback.get()); |
---|
765 | } |
---|
766 | _viewer->setSceneData(_sceneRoot.get()); |
---|
767 | if (_mouseCoordsTool.valid()) { |
---|
768 | initMouseCoordsTool(); |
---|
769 | } |
---|
770 | initControls(); |
---|
771 | //_viewer->setSceneData(_sceneRoot.get()); |
---|
772 | initEarthManipulator(); |
---|
773 | _viewer->home(); |
---|
774 | |
---|
775 | finalizeViewer(); |
---|
776 | _needsRedraw = true; |
---|
777 | } |
---|
778 | |
---|
779 | void Renderer::clearMap() |
---|
780 | { |
---|
781 | if (_map.valid()) { |
---|
782 | _map->clear(); |
---|
783 | _needsRedraw = true; |
---|
784 | } |
---|
785 | } |
---|
786 | |
---|
787 | void Renderer::setLighting(bool state) |
---|
788 | { |
---|
789 | if (_mapNode.valid()) { |
---|
790 | TRACE("Setting lighting: %d", state ? 1 : 0); |
---|
791 | _mapNode->getOrCreateStateSet() |
---|
792 | ->setMode(GL_LIGHTING, state ? 1 : 0); |
---|
793 | _needsRedraw = true; |
---|
794 | } |
---|
795 | } |
---|
796 | |
---|
797 | void Renderer::setViewerLightType(osg::View::LightingMode mode) |
---|
798 | { |
---|
799 | if (_viewer.valid()) { |
---|
800 | _viewer->setLightingMode(mode); |
---|
801 | _needsRedraw = true; |
---|
802 | } |
---|
803 | } |
---|
804 | |
---|
805 | void Renderer::setTerrainVerticalScale(double scale) |
---|
806 | { |
---|
807 | if (_mapNode.valid()) { |
---|
808 | if (!_verticalScale.valid()) { |
---|
809 | _verticalScale = new osgEarth::Util::VerticalScale; |
---|
810 | _mapNode->getTerrainEngine()->addEffect(_verticalScale); |
---|
811 | } |
---|
812 | _verticalScale->setScale(scale); |
---|
813 | _needsRedraw = true; |
---|
814 | } |
---|
815 | } |
---|
816 | |
---|
817 | void Renderer::setEphemerisTime(int year, int month, int day, double hours) |
---|
818 | { |
---|
819 | if (_skyNode.valid()) { |
---|
820 | osgEarth::DateTime time(year, month, day, hours); |
---|
821 | _skyNode->setDateTime(time); |
---|
822 | _needsRedraw = true; |
---|
823 | } |
---|
824 | } |
---|
825 | |
---|
826 | void Renderer::setTerrainLighting(bool state) |
---|
827 | { |
---|
828 | #if 1 |
---|
829 | if (!_mapNode.valid()) { |
---|
830 | ERROR("No map node"); |
---|
831 | return; |
---|
832 | } |
---|
833 | // XXX: HACK alert |
---|
834 | // Find the terrain engine container (might be above one or more decorators) |
---|
835 | osg::Group *group = _mapNode->getTerrainEngine(); |
---|
836 | while (group->getParent(0) != NULL && group->getParent(0) != _mapNode.get()) { |
---|
837 | group = group->getParent(0); |
---|
838 | } |
---|
839 | if (group != NULL && group->getParent(0) == _mapNode.get()) { |
---|
840 | TRACE("Setting terrain lighting: %d", state ? 1 : 0); |
---|
841 | if (group->getOrCreateStateSet()->getUniform("oe_mode_GL_LIGHTING") != NULL) { |
---|
842 | group->getStateSet()->getUniform("oe_mode_GL_LIGHTING")->set(state); |
---|
843 | } else { |
---|
844 | ERROR("Can't get terrain lighting uniform"); |
---|
845 | } |
---|
846 | } else { |
---|
847 | ERROR("Can't find terrain engine container"); |
---|
848 | } |
---|
849 | #else |
---|
850 | if (_stateManip.valid()) { |
---|
851 | _stateManip->setLightingEnabled(state); |
---|
852 | } |
---|
853 | #endif |
---|
854 | _needsRedraw = true; |
---|
855 | } |
---|
856 | |
---|
857 | void Renderer::setTerrainWireframe(bool state) |
---|
858 | { |
---|
859 | if (!_map.valid()) { |
---|
860 | ERROR("No map"); |
---|
861 | return; |
---|
862 | } |
---|
863 | #if 0 |
---|
864 | if (!_mapNode.valid()) { |
---|
865 | ERROR("No map node"); |
---|
866 | return; |
---|
867 | } |
---|
868 | TRACE("Setting terrain wireframe: %d", state ? 1 : 0); |
---|
869 | osg::StateSet *state = _mapNode->getOrCreateStateSet(); |
---|
870 | osg::PolygonMode *pmode = dynamic_cast< osg::PolygonMode* >(state->getAttribute(osg::StateAttribute::POLYGONMODE)); |
---|
871 | if (pmode == NULL) { |
---|
872 | pmode = new osg::PolygonMode; |
---|
873 | state->setAttribute(pmode); |
---|
874 | } |
---|
875 | if (state) { |
---|
876 | pmode->setMode(osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::LINE); |
---|
877 | } else { |
---|
878 | pmode->setMode(osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::FILL); |
---|
879 | } |
---|
880 | _needsRedraw = true; |
---|
881 | #else |
---|
882 | if (_stateManip.valid()) { |
---|
883 | _stateManip->setPolygonMode(state ? osg::PolygonMode::LINE : osg::PolygonMode::FILL); |
---|
884 | _needsRedraw = true; |
---|
885 | } |
---|
886 | #endif |
---|
887 | } |
---|
888 | |
---|
889 | void Renderer::saveNamedViewpoint(const char *name) |
---|
890 | { |
---|
891 | _viewpoints[name] = getViewpoint(); |
---|
892 | } |
---|
893 | |
---|
894 | bool Renderer::removeNamedViewpoint(const char *name) |
---|
895 | { |
---|
896 | ViewpointHashmap::iterator itr = _viewpoints.find(name); |
---|
897 | if (itr != _viewpoints.end()) { |
---|
898 | _viewpoints.erase(name); |
---|
899 | return true; |
---|
900 | } else { |
---|
901 | ERROR("Unknown viewpoint: '%s'", name); |
---|
902 | return false; |
---|
903 | } |
---|
904 | } |
---|
905 | |
---|
906 | bool Renderer::restoreNamedViewpoint(const char *name, double durationSecs) |
---|
907 | { |
---|
908 | ViewpointHashmap::iterator itr = _viewpoints.find(name); |
---|
909 | if (itr != _viewpoints.end()) { |
---|
910 | setViewpoint(itr->second, durationSecs); |
---|
911 | return true; |
---|
912 | } else { |
---|
913 | ERROR("Unknown viewpoint: '%s'", name); |
---|
914 | return false; |
---|
915 | } |
---|
916 | } |
---|
917 | |
---|
918 | void Renderer::setViewpoint(const osgEarth::Viewpoint& v, double durationSecs) |
---|
919 | { |
---|
920 | if (_manipulator.valid()) { |
---|
921 | TRACE("Setting viewpoint: %g %g %g %g %g %g", |
---|
922 | v.x(), v.y(), v.z(), v.getHeading(), v.getPitch(), v.getRange()); |
---|
923 | _manipulator->setViewpoint(v, durationSecs); |
---|
924 | _needsRedraw = true; |
---|
925 | } else { |
---|
926 | ERROR("No manipulator"); |
---|
927 | } |
---|
928 | } |
---|
929 | |
---|
930 | osgEarth::Viewpoint Renderer::getViewpoint() |
---|
931 | { |
---|
932 | if (_manipulator.valid()) { |
---|
933 | return _manipulator->getViewpoint(); |
---|
934 | } else { |
---|
935 | // Uninitialized, invalid viewpoint |
---|
936 | return osgEarth::Viewpoint(); |
---|
937 | } |
---|
938 | } |
---|
939 | |
---|
940 | static void srsInfo(const osgEarth::SpatialReference *srs) |
---|
941 | { |
---|
942 | TRACE("SRS: %s", srs->getName().c_str()); |
---|
943 | TRACE("horiz: \"%s\" vert: \"%s\"", srs->getHorizInitString().c_str(), srs->getVertInitString().c_str()); |
---|
944 | 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", |
---|
945 | srs->isGeographic() ? 1 : 0, |
---|
946 | srs->isGeodetic() ? 1 : 0, |
---|
947 | srs->isProjected() ? 1 : 0, |
---|
948 | srs->isECEF() ? 1 : 0, |
---|
949 | srs->isMercator() ? 1 : 0, |
---|
950 | srs->isSphericalMercator() ? 1 : 0, |
---|
951 | srs->isNorthPolar() ? 1 : 0, |
---|
952 | srs->isSouthPolar() ? 1 : 0, |
---|
953 | srs->isUserDefined() ? 1 : 0, |
---|
954 | srs->isContiguous() ? 1 : 0, |
---|
955 | srs->isCube() ? 1 : 0, |
---|
956 | srs->isLTP() ? 1 : 0, |
---|
957 | srs->isPlateCarre() ? 1 : 0); |
---|
958 | } |
---|
959 | |
---|
960 | bool Renderer::getWorldCoords(const osgEarth::GeoPoint& mapPt, osg::Vec3d *world) |
---|
961 | { |
---|
962 | if (!_mapNode.valid() || _mapNode->getTerrain() == NULL) { |
---|
963 | ERROR("No map"); |
---|
964 | return false; |
---|
965 | } |
---|
966 | TRACE("Input SRS:"); |
---|
967 | srsInfo(mapPt.getSRS()); |
---|
968 | TRACE("Map SRS:"); |
---|
969 | srsInfo(_mapNode->getMapSRS()); |
---|
970 | bool ret = mapPt.toWorld(*world, _mapNode->getTerrain()); |
---|
971 | TRACE("In: %g,%g,%g Out: %g,%g,%g", |
---|
972 | mapPt.x(), mapPt.y(), mapPt.z(), |
---|
973 | world->x(), world->y(), world->z()); |
---|
974 | return ret; |
---|
975 | } |
---|
976 | |
---|
977 | bool Renderer::worldToScreen(const osg::Vec3d& world, osg::Vec3d *screen, bool invertY) |
---|
978 | { |
---|
979 | if (!_viewer.valid()) { |
---|
980 | ERROR("No viewer"); |
---|
981 | return false; |
---|
982 | } |
---|
983 | osg::Camera *cam = _viewer->getCamera(); |
---|
984 | osg::Matrixd MVP = cam->getViewMatrix() * cam->getProjectionMatrix(); |
---|
985 | // Get clip coords |
---|
986 | osg::Vec4d pt; |
---|
987 | pt = osg::Vec4d(world, 1.0) * MVP; |
---|
988 | // Clip |
---|
989 | if (pt.x() < -pt.w() || |
---|
990 | pt.x() > pt.w() || |
---|
991 | pt.y() < -pt.w() || |
---|
992 | pt.y() > pt.w() || |
---|
993 | pt.z() < -pt.w() || |
---|
994 | pt.z() > pt.w()) { |
---|
995 | // Outside frustum |
---|
996 | TRACE("invalid pt: %g,%g,%g,%g", pt.x(), pt.y(), pt.z(), pt.w()); |
---|
997 | return false; |
---|
998 | } |
---|
999 | TRACE("clip pt: %g,%g,%g,%g", pt.x(), pt.y(), pt.z(), pt.w()); |
---|
1000 | // Perspective divide: now NDC |
---|
1001 | pt /= pt.w(); |
---|
1002 | const osg::Viewport *viewport = cam->getViewport(); |
---|
1003 | #if 1 |
---|
1004 | screen->x() = viewport->x() + viewport->width() * 0.5 + pt.x() * viewport->width() * 0.5; |
---|
1005 | screen->y() = viewport->y() + viewport->height() * 0.5 + pt.y() * viewport->height() * 0.5; |
---|
1006 | //double near = 0; |
---|
1007 | //double far = 1; |
---|
1008 | //screen->z() = (far + near) * 0.5 + (far - near) * 0.5 * pt.z(); |
---|
1009 | screen->z() = 0.5 + 0.5 * pt.z(); |
---|
1010 | #else |
---|
1011 | *screen = osg::Vec3d(pt.x(), pt.y(), pt.z()) * cam->getViewport()->computeWindowMatrix(); |
---|
1012 | #endif |
---|
1013 | if (invertY) { |
---|
1014 | screen->y() = viewport->height() - screen->y(); |
---|
1015 | } |
---|
1016 | TRACE("screen: %g,%g,%g", screen->x(), screen->y(), screen->z()); |
---|
1017 | return true; |
---|
1018 | } |
---|
1019 | |
---|
1020 | bool Renderer::worldToScreen(std::vector<osg::Vec3d>& coords, bool invertY) |
---|
1021 | { |
---|
1022 | if (!_viewer.valid()) { |
---|
1023 | ERROR("No viewer"); |
---|
1024 | return false; |
---|
1025 | } |
---|
1026 | bool ret = true; |
---|
1027 | osg::Camera *cam = _viewer->getCamera(); |
---|
1028 | osg::Matrixd MVP = cam->getViewMatrix() * cam->getProjectionMatrix(); |
---|
1029 | const osg::Viewport *viewport = cam->getViewport(); |
---|
1030 | for (std::vector<osg::Vec3d>::iterator itr = coords.begin(); |
---|
1031 | itr != coords.end(); ++itr) { |
---|
1032 | // Get clip coords |
---|
1033 | osg::Vec4d pt; |
---|
1034 | pt = osg::Vec4d(*itr, 1.0) * MVP; |
---|
1035 | // Clip |
---|
1036 | if (pt.x() < -pt.w() || |
---|
1037 | pt.x() > pt.w() || |
---|
1038 | pt.y() < -pt.w() || |
---|
1039 | pt.y() > pt.w() || |
---|
1040 | pt.z() < -pt.w() || |
---|
1041 | pt.z() > pt.w()) { |
---|
1042 | // Outside frustum |
---|
1043 | TRACE("invalid pt: %g,%g,%g,%g", pt.x(), pt.y(), pt.z(), pt.w()); |
---|
1044 | itr->set(std::numeric_limits<double>::quiet_NaN(), |
---|
1045 | std::numeric_limits<double>::quiet_NaN(), |
---|
1046 | std::numeric_limits<double>::quiet_NaN()); |
---|
1047 | ret = false; |
---|
1048 | continue; |
---|
1049 | } |
---|
1050 | TRACE("clip pt: %g,%g,%g,%g", pt.x(), pt.y(), pt.z(), pt.w()); |
---|
1051 | // Perspective divide: now NDC |
---|
1052 | pt /= pt.w(); |
---|
1053 | #if 1 |
---|
1054 | itr->x() = viewport->x() + viewport->width() * 0.5 + pt.x() * viewport->width() * 0.5; |
---|
1055 | itr->y() = viewport->y() + viewport->height() * 0.5 + pt.y() * viewport->height() * 0.5; |
---|
1056 | //double near = 0; |
---|
1057 | //double far = 1; |
---|
1058 | //itr->z() = (far + near) * 0.5 + (far - near) * 0.5 * pt.z(); |
---|
1059 | itr->z() = 0.5 + 0.5 * pt.z(); |
---|
1060 | #else |
---|
1061 | *itr = osg::Vec3d(pt.x(), pt.y(), pt.z()) * viewport->computeWindowMatrix(); |
---|
1062 | #endif |
---|
1063 | if (invertY) { |
---|
1064 | itr->y() = viewport->height() - itr->y(); |
---|
1065 | } |
---|
1066 | TRACE("screen: %g,%g,%g", itr->x(), itr->y(), itr->z()); |
---|
1067 | } |
---|
1068 | return ret; |
---|
1069 | } |
---|
1070 | |
---|
1071 | bool Renderer::mouseToLatLong(int mouseX, int mouseY, |
---|
1072 | double *latitude, double *longitude) |
---|
1073 | { |
---|
1074 | if (getMapSRS() == NULL) |
---|
1075 | return false; |
---|
1076 | const osgEarth::SpatialReference *outSRS = |
---|
1077 | getMapSRS()->getGeographicSRS(); |
---|
1078 | if (outSRS == NULL) |
---|
1079 | return false; |
---|
1080 | osgEarth::GeoPoint mapPoint; |
---|
1081 | if (mapMouseCoords(mouseX, mouseY, mapPoint)) { |
---|
1082 | mapPoint = mapPoint.transform(outSRS); |
---|
1083 | *longitude = mapPoint.x(); |
---|
1084 | *latitude = mapPoint.y(); |
---|
1085 | return true; |
---|
1086 | } else { |
---|
1087 | return false; |
---|
1088 | } |
---|
1089 | } |
---|
1090 | #if 0 |
---|
1091 | bool Renderer::mapToLatLong(osgEarth::GeoPoint& mapPoint) |
---|
1092 | { |
---|
1093 | if (getMapSRS() == NULL) |
---|
1094 | return false; |
---|
1095 | const osgEarth::SpatialReference *outSRS = |
---|
1096 | getMapSRS()->getGeographicSRS(); |
---|
1097 | if (outSRS == NULL) |
---|
1098 | return false; |
---|
1099 | mapPoint = mapPoint.transform(outSRS); |
---|
1100 | return true; |
---|
1101 | } |
---|
1102 | #endif |
---|
1103 | /** |
---|
1104 | * \brief Map screen mouse coordinates to map coordinates |
---|
1105 | * |
---|
1106 | * This method assumes that mouse Y coordinates are 0 at the top |
---|
1107 | * of the screen and increase going down if invertY is set, and |
---|
1108 | * 0 at the bottom and increase going up otherwise. |
---|
1109 | */ |
---|
1110 | bool Renderer::mapMouseCoords(float mouseX, float mouseY, |
---|
1111 | osgEarth::GeoPoint& map, bool invertY) |
---|
1112 | { |
---|
1113 | if (!_mapNode.valid() || _mapNode->getTerrain() == NULL) { |
---|
1114 | ERROR("No map"); |
---|
1115 | return false; |
---|
1116 | } |
---|
1117 | if (!_viewer.valid()) { |
---|
1118 | ERROR("No viewer"); |
---|
1119 | return false; |
---|
1120 | } |
---|
1121 | if (invertY) { |
---|
1122 | mouseY = ((float)_windowHeight - mouseY); |
---|
1123 | } |
---|
1124 | osg::Vec3d world; |
---|
1125 | if (_mapNode->getTerrain()->getWorldCoordsUnderMouse(_viewer->asView(), mouseX, mouseY, world)) { |
---|
1126 | map.fromWorld(getMapSRS(), world); |
---|
1127 | return true; |
---|
1128 | } |
---|
1129 | return false; |
---|
1130 | } |
---|
1131 | |
---|
1132 | bool Renderer::addImageLayer(const char *name, |
---|
1133 | osgEarth::TileSourceOptions& opts, |
---|
1134 | bool enableCache, |
---|
1135 | bool makeShared, |
---|
1136 | bool visible) |
---|
1137 | { |
---|
1138 | if (!_map.valid()) { |
---|
1139 | ERROR("No map"); |
---|
1140 | return false; |
---|
1141 | } |
---|
1142 | TRACE("layer: %s", name); |
---|
1143 | if (!opts.tileSize().isSet()) { |
---|
1144 | opts.tileSize() = 256; |
---|
1145 | } |
---|
1146 | osgEarth::ImageLayerOptions layerOpts(name, opts); |
---|
1147 | #if OSGEARTH_MIN_VERSION_REQUIRED(2, 5, 1) |
---|
1148 | layerOpts.textureCompression() = osg::Texture::USE_IMAGE_DATA_FORMAT; |
---|
1149 | #endif |
---|
1150 | if (makeShared) { |
---|
1151 | layerOpts.shared() = true; |
---|
1152 | } |
---|
1153 | if (!enableCache) { |
---|
1154 | TRACE("Disabling cache for layer %s", name); |
---|
1155 | layerOpts.cachePolicy() = osgEarth::CachePolicy(osgEarth::CachePolicy::USAGE_NO_CACHE); |
---|
1156 | } |
---|
1157 | if (!visible) { |
---|
1158 | layerOpts.visible() = false; |
---|
1159 | } |
---|
1160 | osg::ref_ptr<osgEarth::ImageLayer> layer = new osgEarth::ImageLayer(layerOpts); |
---|
1161 | _map->addImageLayer(layer.get()); |
---|
1162 | if (layer->getTileSource() == NULL || !layer->getTileSource()->isOK()) { |
---|
1163 | ERROR("Failed to add image layer: %s", name); |
---|
1164 | _map->removeImageLayer(layer.get()); |
---|
1165 | return false; |
---|
1166 | } |
---|
1167 | _needsRedraw = true; |
---|
1168 | return true; |
---|
1169 | } |
---|
1170 | |
---|
1171 | void Renderer::addColorFilter(const char *name, |
---|
1172 | const char *shader) |
---|
1173 | { |
---|
1174 | if (!_map.valid()) { |
---|
1175 | ERROR("No map"); |
---|
1176 | return; |
---|
1177 | } |
---|
1178 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1179 | if (layer == NULL) { |
---|
1180 | TRACE("Image layer not found: %s", name); |
---|
1181 | return; |
---|
1182 | } |
---|
1183 | osgEarth::Util::GLSLColorFilter *filter = new osgEarth::Util::GLSLColorFilter; |
---|
1184 | filter->setCode(shader); |
---|
1185 | //filter->setCode("color.rgb = color.r > 0.5 ? vec3(1.0) : vec3(0.0);"); |
---|
1186 | layer->addColorFilter(filter); |
---|
1187 | _needsRedraw = true; |
---|
1188 | } |
---|
1189 | |
---|
1190 | void Renderer::removeColorFilter(const char *name, int idx) |
---|
1191 | { |
---|
1192 | if (!_map.valid()) { |
---|
1193 | ERROR("No map"); |
---|
1194 | return; |
---|
1195 | } |
---|
1196 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1197 | if (layer == NULL) { |
---|
1198 | TRACE("Image layer not found: %s", name); |
---|
1199 | return; |
---|
1200 | } |
---|
1201 | if (idx < 0) { |
---|
1202 | while (!layer->getColorFilters().empty()) { |
---|
1203 | layer->removeColorFilter(layer->getColorFilters()[0]); |
---|
1204 | } |
---|
1205 | } else { |
---|
1206 | layer->removeColorFilter(layer->getColorFilters().at(idx)); |
---|
1207 | } |
---|
1208 | _needsRedraw = true; |
---|
1209 | } |
---|
1210 | |
---|
1211 | void Renderer::removeImageLayer(const char *name) |
---|
1212 | { |
---|
1213 | if (!_map.valid()) { |
---|
1214 | ERROR("No map"); |
---|
1215 | return; |
---|
1216 | } |
---|
1217 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1218 | if (layer != NULL) { |
---|
1219 | _map->removeImageLayer(layer); |
---|
1220 | _needsRedraw = true; |
---|
1221 | } else { |
---|
1222 | TRACE("Image layer not found: %s", name); |
---|
1223 | } |
---|
1224 | } |
---|
1225 | |
---|
1226 | void Renderer::moveImageLayer(const char *name, unsigned int pos) |
---|
1227 | { |
---|
1228 | if (!_map.valid()) { |
---|
1229 | ERROR("No map"); |
---|
1230 | return; |
---|
1231 | } |
---|
1232 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1233 | if (layer != NULL) { |
---|
1234 | _map->moveImageLayer(layer, pos); |
---|
1235 | _needsRedraw = true; |
---|
1236 | } else { |
---|
1237 | TRACE("Image layer not found: %s", name); |
---|
1238 | } |
---|
1239 | } |
---|
1240 | |
---|
1241 | void Renderer::setImageLayerOpacity(const char *name, double opacity) |
---|
1242 | { |
---|
1243 | if (!_map.valid()) { |
---|
1244 | ERROR("No map"); |
---|
1245 | return; |
---|
1246 | } |
---|
1247 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1248 | if (layer != NULL) { |
---|
1249 | layer->setOpacity(opacity); |
---|
1250 | _needsRedraw = true; |
---|
1251 | } else { |
---|
1252 | TRACE("Image layer not found: %s", name); |
---|
1253 | } |
---|
1254 | } |
---|
1255 | |
---|
1256 | void Renderer::setImageLayerVisibility(const char *name, bool state) |
---|
1257 | { |
---|
1258 | if (!_map.valid()) { |
---|
1259 | ERROR("No map"); |
---|
1260 | return; |
---|
1261 | } |
---|
1262 | osgEarth::ImageLayer *layer = _map->getImageLayerByName(name); |
---|
1263 | if (layer != NULL) { |
---|
1264 | layer->setVisible(state); |
---|
1265 | _needsRedraw = true; |
---|
1266 | } else { |
---|
1267 | TRACE("Image layer not found: %s", name); |
---|
1268 | } |
---|
1269 | } |
---|
1270 | |
---|
1271 | void Renderer::addElevationLayer(const char *name, |
---|
1272 | osgEarth::TileSourceOptions& opts, |
---|
1273 | bool enableCache, |
---|
1274 | bool visible) |
---|
1275 | { |
---|
1276 | if (!_map.valid()) { |
---|
1277 | ERROR("No map"); |
---|
1278 | return; |
---|
1279 | } |
---|
1280 | TRACE("layer: %s", name); |
---|
1281 | if (!opts.tileSize().isSet()) { |
---|
1282 | opts.tileSize() = 15; |
---|
1283 | } |
---|
1284 | osgEarth::ElevationLayerOptions layerOpts(name, opts); |
---|
1285 | if (!enableCache) { |
---|
1286 | layerOpts.cachePolicy() = osgEarth::CachePolicy(osgEarth::CachePolicy::USAGE_NO_CACHE); |
---|
1287 | } |
---|
1288 | if (!visible) { |
---|
1289 | layerOpts.visible() = false; |
---|
1290 | } |
---|
1291 | // XXX: GDAL does not report vertical datum, it should be specified here |
---|
1292 | // Common options: geodetic (default), egm96, egm84, egm2008 |
---|
1293 | //layerOpts.verticalDatum() = "egm96"; |
---|
1294 | _map->addElevationLayer(new osgEarth::ElevationLayer(layerOpts)); |
---|
1295 | _needsRedraw = true; |
---|
1296 | } |
---|
1297 | |
---|
1298 | void Renderer::removeElevationLayer(const char *name) |
---|
1299 | { |
---|
1300 | if (!_map.valid()) { |
---|
1301 | ERROR("No map"); |
---|
1302 | return; |
---|
1303 | } |
---|
1304 | osgEarth::ElevationLayer *layer = _map->getElevationLayerByName(name); |
---|
1305 | if (layer != NULL) { |
---|
1306 | _map->removeElevationLayer(layer); |
---|
1307 | _needsRedraw = true; |
---|
1308 | } else { |
---|
1309 | TRACE("Elevation layer not found: %s", name); |
---|
1310 | } |
---|
1311 | } |
---|
1312 | |
---|
1313 | void Renderer::moveElevationLayer(const char *name, unsigned int pos) |
---|
1314 | { |
---|
1315 | if (!_map.valid()) { |
---|
1316 | ERROR("No map"); |
---|
1317 | return; |
---|
1318 | } |
---|
1319 | osgEarth::ElevationLayer *layer = _map->getElevationLayerByName(name); |
---|
1320 | if (layer != NULL) { |
---|
1321 | _map->moveElevationLayer(layer, pos); |
---|
1322 | _needsRedraw = true; |
---|
1323 | } else { |
---|
1324 | TRACE("Elevation layer not found: %s", name); |
---|
1325 | } |
---|
1326 | } |
---|
1327 | |
---|
1328 | void Renderer::setElevationLayerVisibility(const char *name, bool state) |
---|
1329 | { |
---|
1330 | if (!_map.valid()) { |
---|
1331 | ERROR("No map"); |
---|
1332 | return; |
---|
1333 | } |
---|
1334 | osgEarth::ElevationLayer *layer = _map->getElevationLayerByName(name); |
---|
1335 | if (layer != NULL) { |
---|
1336 | layer->setVisible(state); |
---|
1337 | _needsRedraw = true; |
---|
1338 | } else { |
---|
1339 | TRACE("Elevation layer not found: %s", name); |
---|
1340 | } |
---|
1341 | } |
---|
1342 | |
---|
1343 | void Renderer::initAnnotations() |
---|
1344 | { |
---|
1345 | if (!_annotations.valid()) { |
---|
1346 | _annotations = new osg::Group(); |
---|
1347 | _annotations->setName("Annotations"); |
---|
1348 | _sceneRoot->addChild(_annotations.get()); |
---|
1349 | _placeNodes = new osg::Group(); |
---|
1350 | _placeNodes->setName("Place Nodes"); |
---|
1351 | osgEarth::Decluttering::setEnabled(_placeNodes->getOrCreateStateSet(), true); |
---|
1352 | _annotations->addChild(_placeNodes.get()); |
---|
1353 | } |
---|
1354 | } |
---|
1355 | |
---|
1356 | void Renderer::initBoxSelection(int x, int y) |
---|
1357 | { |
---|
1358 | double latitude, longitude; |
---|
1359 | if (!mouseToLatLong(x, y, &latitude, &longitude)) { |
---|
1360 | return; |
---|
1361 | } |
---|
1362 | _anchorLat = latitude; |
---|
1363 | _anchorLong = longitude; |
---|
1364 | addRhumbBox(latitude, latitude, longitude, longitude); |
---|
1365 | } |
---|
1366 | |
---|
1367 | void Renderer::updateBoxSelection(int x, int y) |
---|
1368 | { |
---|
1369 | double nlat, nlong; |
---|
1370 | if (!mouseToLatLong(x, y, &nlat, &nlong)) { |
---|
1371 | return; |
---|
1372 | } |
---|
1373 | double latMin, latMax, longMin, longMax; |
---|
1374 | if (nlong >= _anchorLong && nlat >= _anchorLat) { |
---|
1375 | // +x +y |
---|
1376 | longMin = _anchorLong; |
---|
1377 | latMin = _anchorLat; |
---|
1378 | longMax = nlong; |
---|
1379 | latMax = nlat; |
---|
1380 | } else if (nlong < _anchorLong && nlat >= _anchorLat) { |
---|
1381 | // -x +y |
---|
1382 | longMin = nlong; |
---|
1383 | latMin = _anchorLat; |
---|
1384 | longMax = _anchorLong; |
---|
1385 | latMax = nlat; |
---|
1386 | } else if (nlong < _anchorLong && nlat < _anchorLat) { |
---|
1387 | // -x -y |
---|
1388 | longMin = nlong; |
---|
1389 | latMin = nlat; |
---|
1390 | longMax = _anchorLong; |
---|
1391 | latMax = _anchorLat; |
---|
1392 | } else { |
---|
1393 | // +x -y |
---|
1394 | longMin = _anchorLong; |
---|
1395 | latMin = nlat; |
---|
1396 | longMax = nlong; |
---|
1397 | latMax = _anchorLat; |
---|
1398 | } |
---|
1399 | osgEarth::Annotation::FeatureNode *node = _selectionBox.get(); |
---|
1400 | osgEarth::Symbology::Geometry *geom = node->getFeature()->getGeometry(); |
---|
1401 | (*geom)[0] = osg::Vec3d(longMax, latMin, 0); |
---|
1402 | (*geom)[1] = osg::Vec3d(longMin, latMin, 0); |
---|
1403 | (*geom)[2] = osg::Vec3d(longMin, latMax, 0); |
---|
1404 | (*geom)[3] = osg::Vec3d(longMax, latMax, 0); |
---|
1405 | node->init(); |
---|
1406 | for (std::set<osgEarth::Annotation::AnnotationNode *>::iterator itr = _selected.begin(); |
---|
1407 | itr != _selected.end(); ++itr) { |
---|
1408 | (*itr)->clearDecoration(); |
---|
1409 | } |
---|
1410 | _selected.clear(); |
---|
1411 | SelectPlaceNodesVisitor spnv(this, latMin, latMax, longMin, longMax); |
---|
1412 | _sceneRoot->accept(spnv); |
---|
1413 | _needsRedraw = true; |
---|
1414 | } |
---|
1415 | |
---|
1416 | void SelectPlaceNodesVisitor::apply(osg::Node& node) |
---|
1417 | { |
---|
1418 | osgEarth::Annotation::PlaceNode *placeNode = |
---|
1419 | dynamic_cast<osgEarth::Annotation::PlaceNode*>(&node); |
---|
1420 | if (placeNode != NULL) { |
---|
1421 | const osgEarth::SpatialReference *outSRS = |
---|
1422 | _renderer->getMapSRS()->getGeographicSRS(); |
---|
1423 | osgEarth::GeoPoint pt = placeNode->getPosition(); |
---|
1424 | pt = pt.transform(outSRS); |
---|
1425 | if (pt.x() >= _longMin && pt.x() <= _longMax && |
---|
1426 | pt.y() >= _latMin && pt.y() <= _latMax) { |
---|
1427 | if (_renderer->select(placeNode)) { |
---|
1428 | //TRACE("SELECT IT: %p", placeNode); |
---|
1429 | placeNode->setDecoration("select"); |
---|
1430 | } |
---|
1431 | } |
---|
1432 | } |
---|
1433 | traverse(node); |
---|
1434 | } |
---|
1435 | |
---|
1436 | void Renderer::clearBoxSelection() |
---|
1437 | { |
---|
1438 | if (_annotations.valid() && _selectionBox.valid()) { |
---|
1439 | _annotations->removeChild(_selectionBox.get()); |
---|
1440 | _selectionBox = NULL; |
---|
1441 | } |
---|
1442 | for (std::set<osgEarth::Annotation::AnnotationNode *>::iterator itr = _selected.begin(); |
---|
1443 | itr != _selected.end(); ++itr) { |
---|
1444 | (*itr)->clearDecoration(); |
---|
1445 | } |
---|
1446 | _selected.clear(); |
---|
1447 | _needsRedraw = true; |
---|
1448 | } |
---|
1449 | |
---|
1450 | void Renderer::addRhumbBox(double latMin, double latMax, |
---|
1451 | double longMin, double longMax) |
---|
1452 | { |
---|
1453 | if (!_mapNode.valid()) { |
---|
1454 | ERROR("No map node"); |
---|
1455 | return; |
---|
1456 | } |
---|
1457 | initAnnotations(); |
---|
1458 | |
---|
1459 | if (_selectionBox.valid()) { |
---|
1460 | osgEarth::Symbology::Geometry *geom = _selectionBox->getFeature()->getGeometry(); |
---|
1461 | (*geom)[0] = osg::Vec3d(longMax, latMin, 0); |
---|
1462 | (*geom)[1] = osg::Vec3d(longMin, latMin, 0); |
---|
1463 | (*geom)[2] = osg::Vec3d(longMin, latMax, 0); |
---|
1464 | (*geom)[3] = osg::Vec3d(longMax, latMax, 0); |
---|
1465 | _selectionBox->init(); |
---|
1466 | } else { |
---|
1467 | const osgEarth::SpatialReference* geoSRS = _mapNode->getMapSRS()->getGeographicSRS(); |
---|
1468 | osgEarth::Symbology::Geometry *geom = new osgEarth::Symbology::Polygon(); |
---|
1469 | geom->push_back(osg::Vec3d(longMax, latMin, 0)); |
---|
1470 | geom->push_back(osg::Vec3d(longMin, latMin, 0)); |
---|
1471 | geom->push_back(osg::Vec3d(longMin, latMax, 0)); |
---|
1472 | geom->push_back(osg::Vec3d(longMax, latMax, 0)); |
---|
1473 | osgEarth::Symbology::Style boxStyle; |
---|
1474 | #if 1 |
---|
1475 | osgEarth::Symbology::PolygonSymbol *poly = boxStyle.getOrCreate<osgEarth::Symbology::PolygonSymbol>(); |
---|
1476 | poly->fill()->color() = osgEarth::Symbology::Color::Cyan; |
---|
1477 | poly->fill()->color().a() = 0.5; |
---|
1478 | #else |
---|
1479 | osgEarth::Symbology::LineSymbol *line = boxStyle.getOrCreate<osgEarth::Symbology::LineSymbol>(); |
---|
1480 | line->stroke()->color() = osgEarth::Symbology::Color::Yellow; |
---|
1481 | line->stroke()->width() = 2.0f; |
---|
1482 | //line->creaseAngle() = 45.0f; |
---|
1483 | line->tessellation() = 10; |
---|
1484 | #endif |
---|
1485 | osgEarth::Symbology::AltitudeSymbol *alt = boxStyle.getOrCreate<osgEarth::Symbology::AltitudeSymbol>(); |
---|
1486 | alt->clamping() = osgEarth::Symbology::AltitudeSymbol::CLAMP_TO_TERRAIN; |
---|
1487 | //alt->technique() = osgEarth::Symbology::AltitudeSymbol::TECHNIQUE_GPU; |
---|
1488 | alt->technique() = osgEarth::Symbology::AltitudeSymbol::TECHNIQUE_DRAPE; |
---|
1489 | //alt->technique() = osgEarth::Symbology::AltitudeSymbol::TECHNIQUE_SCENE; |
---|
1490 | #if 0 |
---|
1491 | osgEarth::Symbology::RenderSymbol* rs = boxStyle.getOrCreateSymbol<osgEarth::Symbology::RenderSymbol>(); |
---|
1492 | rs->depthOffset()->enabled() = true; |
---|
1493 | rs->depthOffset()->minBias() = 1000; |
---|
1494 | #endif |
---|
1495 | osgEarth::Features::Feature *feature = new osgEarth::Features::Feature(geom, geoSRS, boxStyle); |
---|
1496 | //feature->geoInterp() = osgEarth::GEOINTERP_GREAT_CIRCLE; |
---|
1497 | feature->geoInterp() = osgEarth::GEOINTERP_RHUMB_LINE; |
---|
1498 | _selectionBox = |
---|
1499 | new osgEarth::Annotation::FeatureNode(_mapNode, feature); |
---|
1500 | _annotations->addChild(_selectionBox.get()); |
---|
1501 | } |
---|
1502 | |
---|
1503 | _needsRedraw = true; |
---|
1504 | } |
---|
1505 | |
---|
1506 | void Renderer::addPlaceNode(double latitude, double longitude, char *labelText) |
---|
1507 | { |
---|
1508 | if (!_mapNode.valid()) { |
---|
1509 | ERROR("No map node"); |
---|
1510 | return; |
---|
1511 | } |
---|
1512 | initAnnotations(); |
---|
1513 | |
---|
1514 | const osgEarth::SpatialReference* geoSRS = _mapNode->getMapSRS()->getGeographicSRS(); |
---|
1515 | |
---|
1516 | osgEarth::Symbology::Style pin; |
---|
1517 | pin.getOrCreate<osgEarth::Symbology::IconSymbol>()->url()->setLiteral(getPinIcon()); |
---|
1518 | osgEarth::Annotation::AnnotationNode *anno = |
---|
1519 | new osgEarth::Annotation::PlaceNode(_mapNode, osgEarth::GeoPoint(geoSRS, longitude, latitude), labelText, pin); |
---|
1520 | anno->setName(labelText); |
---|
1521 | _placeNodes->addChild(anno); |
---|
1522 | osgEarth::Annotation::DecorationInstaller |
---|
1523 | highlightInstaller("select", new osgEarth::Annotation::HighlightDecoration(osg::Vec4f(1,1,0,0.5))); |
---|
1524 | _placeNodes->accept(highlightInstaller); |
---|
1525 | _mapNode->accept(highlightInstaller); |
---|
1526 | // scale labels when hovering: |
---|
1527 | osgEarth::Annotation::DecorationInstaller |
---|
1528 | scaleInstaller("hover", new osgEarth::Annotation::ScaleDecoration(1.1f)); |
---|
1529 | _placeNodes->accept(scaleInstaller); |
---|
1530 | _mapNode->accept(scaleInstaller); |
---|
1531 | #if 0 |
---|
1532 | writeScene("/tmp/test.osg"); |
---|
1533 | #endif |
---|
1534 | _needsRedraw = true; |
---|
1535 | } |
---|
1536 | #if 0 |
---|
1537 | void Renderer::hoverFeatureNodes(int x, int y, bool invertY) |
---|
1538 | { |
---|
1539 | if (!_mapNode.valid()) { |
---|
1540 | ERROR("No map node"); |
---|
1541 | return; |
---|
1542 | } |
---|
1543 | osgEarth::Picker picker(_viewer.get(), _mapNode.get()); |
---|
1544 | osgEarth::Picker::Hits hits; |
---|
1545 | float mouseX = (float)x; |
---|
1546 | float mouseY = (float)y; |
---|
1547 | if (invertY) { |
---|
1548 | mouseY = ((float)_windowHeight - mouseY); |
---|
1549 | } |
---|
1550 | std::set<osgEarth::Annotation::FeatureNode*> toUnHover; |
---|
1551 | for (std::set<osgEarth::Annotation::FeatureNode*>::iterator itr = _hovered.begin(); |
---|
1552 | itr != _hovered.end(); ++itr) { |
---|
1553 | toUnHover.insert(*itr); |
---|
1554 | } |
---|
1555 | if (picker.pick(mouseX, mouseY, hits)) { |
---|
1556 | TRACE("Picker hits: %d", hits.size()); |
---|
1557 | for (osgEarth::Picker::Hits::const_iterator hitr = hits.begin(); |
---|
1558 | hitr != hits.end(); ++hitr) { |
---|
1559 | osgEarth::Annotation::FeatureNode *anno = |
---|
1560 | picker.getNode<osgEarth::Annotation::FeatureNode>(*hitr); |
---|
1561 | if (anno != NULL) { |
---|
1562 | if (_hovered.find(anno) == _hovered.end()) { |
---|
1563 | _hovered.insert(anno); |
---|
1564 | anno->setDecoration("hover"); |
---|
1565 | _needsRedraw = true; |
---|
1566 | } |
---|
1567 | toUnHover.erase(anno); |
---|
1568 | } |
---|
1569 | } |
---|
1570 | #if 0 |
---|
1571 | writeScene("/tmp/test.osgt"); |
---|
1572 | #endif |
---|
1573 | } |
---|
1574 | for (std::set<osgEarth::Annotation::FeatureNode *>::iterator itr = toUnHover.begin(); |
---|
1575 | itr != toUnHover.end(); ++itr) { |
---|
1576 | _hovered.erase(*itr); |
---|
1577 | (*itr)->clearDecoration(); |
---|
1578 | _needsRedraw = true; |
---|
1579 | } |
---|
1580 | } |
---|
1581 | #endif |
---|
1582 | void Renderer::hoverPlaceNode(int x, int y, bool invertY) |
---|
1583 | { |
---|
1584 | if (!_placeNodes.valid()) { |
---|
1585 | ERROR("No place nodes"); |
---|
1586 | return; |
---|
1587 | } |
---|
1588 | osgEarth::Picker picker(_viewer.get(), _sceneRoot.get());//_placeNodes.get()); |
---|
1589 | osgEarth::Picker::Hits hits; |
---|
1590 | float mouseX = (float)x; |
---|
1591 | float mouseY = (float)y; |
---|
1592 | if (invertY) { |
---|
1593 | mouseY = ((float)_windowHeight - mouseY); |
---|
1594 | } |
---|
1595 | std::set<osgEarth::Annotation::AnnotationNode*> toUnHover; |
---|
1596 | for (std::set<osgEarth::Annotation::AnnotationNode*>::iterator itr = _hovered.begin(); |
---|
1597 | itr != _hovered.end(); ++itr) { |
---|
1598 | toUnHover.insert(*itr); |
---|
1599 | } |
---|
1600 | if (picker.pick(mouseX, mouseY, hits)) { |
---|
1601 | TRACE("Picker hits: %d", hits.size()); |
---|
1602 | for (osgEarth::Picker::Hits::const_iterator hitr = hits.begin(); |
---|
1603 | hitr != hits.end(); ++hitr) { |
---|
1604 | TRACE("Hit: node %p drawable %p idx %d", picker.getNode<osg::Node>(*hitr), hitr->drawable.get(), hitr->primitiveIndex); |
---|
1605 | osgEarth::Annotation::AnnotationNode *anno = |
---|
1606 | picker.getNode<osgEarth::Annotation::AnnotationNode>(*hitr); |
---|
1607 | if (anno != NULL && anno->getDecoration().empty()) { |
---|
1608 | TRACE("Hit AnnotationNode: %p", anno); |
---|
1609 | if (_hovered.find(anno) == _hovered.end()) { |
---|
1610 | _hovered.insert(anno); |
---|
1611 | anno->setDecoration("hover"); |
---|
1612 | _needsRedraw = true; |
---|
1613 | } |
---|
1614 | toUnHover.erase(anno); |
---|
1615 | } |
---|
1616 | } |
---|
1617 | #if 0 |
---|
1618 | writeScene("/tmp/test.osgt"); |
---|
1619 | #endif |
---|
1620 | } |
---|
1621 | for (std::set<osgEarth::Annotation::AnnotationNode *>::iterator itr = toUnHover.begin(); |
---|
1622 | itr != toUnHover.end(); ++itr) { |
---|
1623 | _hovered.erase(*itr); |
---|
1624 | (*itr)->clearDecoration(); |
---|
1625 | _needsRedraw = true; |
---|
1626 | } |
---|
1627 | } |
---|
1628 | |
---|
1629 | void Renderer::deletePlaceNode(int x, int y, bool invertY) |
---|
1630 | { |
---|
1631 | if (!_placeNodes.valid()) { |
---|
1632 | ERROR("No place nodes"); |
---|
1633 | return; |
---|
1634 | } |
---|
1635 | osgEarth::Picker picker(_viewer.get(), _placeNodes.get()); |
---|
1636 | osgEarth::Picker::Hits hits; |
---|
1637 | float mouseX = (float)x; |
---|
1638 | float mouseY = (float)y; |
---|
1639 | if (invertY) { |
---|
1640 | mouseY = ((float)_windowHeight - mouseY); |
---|
1641 | } |
---|
1642 | if (picker.pick(mouseX, mouseY, hits)) { |
---|
1643 | TRACE("Picker hit!"); |
---|
1644 | // prevent multiple hits on the same instance |
---|
1645 | std::set<osgEarth::Annotation::AnnotationNode *> fired; |
---|
1646 | for (osgEarth::Picker::Hits::const_iterator hitr = hits.begin(); |
---|
1647 | hitr != hits.end(); ++hitr) { |
---|
1648 | osgEarth::Annotation::AnnotationNode *anno = |
---|
1649 | picker.getNode<osgEarth::Annotation::AnnotationNode>(*hitr); |
---|
1650 | if (anno != NULL && fired.find(anno) == fired.end()) { |
---|
1651 | fired.insert(anno); |
---|
1652 | _needsRedraw = true; |
---|
1653 | } |
---|
1654 | } |
---|
1655 | for (std::set<osgEarth::Annotation::AnnotationNode *>::iterator itr = fired.begin(); |
---|
1656 | itr != fired.end(); ++itr) { |
---|
1657 | (*itr)->clearDecoration(); |
---|
1658 | _placeNodes->removeChild(*itr); |
---|
1659 | if (_hovered.find(*itr) != _hovered.end()) { |
---|
1660 | _hovered.erase(*itr); |
---|
1661 | } |
---|
1662 | } |
---|
1663 | } else { |
---|
1664 | TRACE("NO Picker hits"); |
---|
1665 | } |
---|
1666 | #if 0 |
---|
1667 | writeScene("/tmp/test.osg"); |
---|
1668 | #endif |
---|
1669 | } |
---|
1670 | |
---|
1671 | void Renderer::addModelLayer(const char *name, osgEarth::ModelSourceOptions& opts) |
---|
1672 | { |
---|
1673 | if (!_map.valid()) { |
---|
1674 | ERROR("No map"); |
---|
1675 | return; |
---|
1676 | } |
---|
1677 | TRACE("layer: %s", name); |
---|
1678 | osgEarth::ModelLayerOptions layerOpts(name, opts); |
---|
1679 | _map->addModelLayer(new osgEarth::ModelLayer(layerOpts)); |
---|
1680 | _needsRedraw = true; |
---|
1681 | } |
---|
1682 | |
---|
1683 | void Renderer::removeModelLayer(const char *name) |
---|
1684 | { |
---|
1685 | if (!_map.valid()) { |
---|
1686 | ERROR("No map"); |
---|
1687 | return; |
---|
1688 | } |
---|
1689 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
1690 | if (layer != NULL) { |
---|
1691 | _map->removeModelLayer(layer); |
---|
1692 | _needsRedraw = true; |
---|
1693 | } else { |
---|
1694 | TRACE("Model layer not found: %s", name); |
---|
1695 | } |
---|
1696 | } |
---|
1697 | |
---|
1698 | void Renderer::moveModelLayer(const char *name, unsigned int pos) |
---|
1699 | { |
---|
1700 | if (!_map.valid()) { |
---|
1701 | ERROR("No map"); |
---|
1702 | return; |
---|
1703 | } |
---|
1704 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
1705 | if (layer != NULL) { |
---|
1706 | _map->moveModelLayer(layer, pos); |
---|
1707 | _needsRedraw = true; |
---|
1708 | } else { |
---|
1709 | TRACE("Model layer not found: %s", name); |
---|
1710 | } |
---|
1711 | } |
---|
1712 | |
---|
1713 | void Renderer::setModelLayerOpacity(const char *name, double opacity) |
---|
1714 | { |
---|
1715 | #if OSGEARTH_MIN_VERSION_REQUIRED(2, 5, 0) |
---|
1716 | if (!_map.valid()) { |
---|
1717 | ERROR("No map"); |
---|
1718 | return; |
---|
1719 | } |
---|
1720 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
1721 | if (layer != NULL) { |
---|
1722 | layer->setOpacity(opacity); |
---|
1723 | _needsRedraw = true; |
---|
1724 | } else { |
---|
1725 | TRACE("Model layer not found: %s", name); |
---|
1726 | } |
---|
1727 | #endif |
---|
1728 | } |
---|
1729 | |
---|
1730 | void Renderer::setModelLayerVisibility(const char *name, bool state) |
---|
1731 | { |
---|
1732 | if (!_map.valid()) { |
---|
1733 | ERROR("No map"); |
---|
1734 | return; |
---|
1735 | } |
---|
1736 | osgEarth::ModelLayer *layer = _map->getModelLayerByName(name); |
---|
1737 | if (layer != NULL) { |
---|
1738 | layer->setVisible(state); |
---|
1739 | _needsRedraw = true; |
---|
1740 | } else { |
---|
1741 | TRACE("Model layer not found: %s", name); |
---|
1742 | } |
---|
1743 | } |
---|
1744 | |
---|
1745 | /** |
---|
1746 | * \brief Resize the render window (image size for renderings) |
---|
1747 | */ |
---|
1748 | void Renderer::setWindowSize(int width, int height) |
---|
1749 | { |
---|
1750 | if (_windowWidth == width && |
---|
1751 | _windowHeight == height) { |
---|
1752 | TRACE("No change"); |
---|
1753 | return; |
---|
1754 | } |
---|
1755 | |
---|
1756 | TRACE("Setting window size to %dx%d", width, height); |
---|
1757 | |
---|
1758 | double origBitrate = getMaximumBitrate(); |
---|
1759 | |
---|
1760 | _windowWidth = width; |
---|
1761 | _windowHeight = height; |
---|
1762 | |
---|
1763 | setMaximumBitrate(origBitrate); |
---|
1764 | TRACE("Bandwidth target: %.2f Mbps", (float)(getMaximumBitrate()/1.0e6)); |
---|
1765 | TRACE("Frame rate target: %.2f Hz", (float)getMaximumFrameRateInHertz()); |
---|
1766 | |
---|
1767 | if (_viewer.valid()) { |
---|
1768 | #ifdef USE_OFFSCREEN_RENDERING |
---|
1769 | #ifdef USE_PBUFFER |
---|
1770 | osg::ref_ptr<osg::GraphicsContext> pbuffer; |
---|
1771 | osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits; |
---|
1772 | traits->x = 0; |
---|
1773 | traits->y = 0; |
---|
1774 | traits->width = _windowWidth; |
---|
1775 | traits->height = _windowHeight; |
---|
1776 | traits->red = 8; |
---|
1777 | traits->green = 8; |
---|
1778 | traits->blue = 8; |
---|
1779 | traits->alpha = 8; |
---|
1780 | traits->windowDecoration = false; |
---|
1781 | traits->pbuffer = true; |
---|
1782 | traits->doubleBuffer = true; |
---|
1783 | traits->sharedContext = 0; |
---|
1784 | |
---|
1785 | pbuffer = osg::GraphicsContext::createGraphicsContext(traits.get()); |
---|
1786 | if (pbuffer.valid()) { |
---|
1787 | TRACE("Pixel buffer has been created successfully."); |
---|
1788 | } else { |
---|
1789 | ERROR("Pixel buffer has not been created successfully."); |
---|
1790 | } |
---|
1791 | osg::Camera *camera = new osg::Camera; |
---|
1792 | camera->setGraphicsContext(pbuffer.get()); |
---|
1793 | camera->setViewport(new osg::Viewport(0, 0, _windowWidth, _windowHeight)); |
---|
1794 | GLenum buffer = pbuffer->getTraits()->doubleBuffer ? GL_BACK : GL_FRONT; |
---|
1795 | camera->setDrawBuffer(buffer); |
---|
1796 | camera->setReadBuffer(buffer); |
---|
1797 | camera->setFinalDrawCallback(_captureCallback.get()); |
---|
1798 | _viewer->addSlave(camera, osg::Matrixd(), osg::Matrixd()); |
---|
1799 | _viewer->realize(); |
---|
1800 | #else |
---|
1801 | if (_captureCallback.valid()) { |
---|
1802 | _captureCallback->getTexture()->setTextureSize(_windowWidth, _windowHeight); |
---|
1803 | } |
---|
1804 | osgViewer::ViewerBase::Windows windows; |
---|
1805 | _viewer->getWindows(windows); |
---|
1806 | if (windows.size() == 1) { |
---|
1807 | windows[0]->setWindowRectangle(0, 0, _windowWidth, _windowHeight); |
---|
1808 | } else { |
---|
1809 | ERROR("Num windows: %lu", windows.size()); |
---|
1810 | } |
---|
1811 | #endif |
---|
1812 | #else |
---|
1813 | osgViewer::ViewerBase::Windows windows; |
---|
1814 | _viewer->getWindows(windows); |
---|
1815 | if (windows.size() == 1) { |
---|
1816 | windows[0]->setWindowRectangle(0, 0, _windowWidth, _windowHeight); |
---|
1817 | } else { |
---|
1818 | ERROR("Num windows: %lu", windows.size()); |
---|
1819 | } |
---|
1820 | #endif |
---|
1821 | // HACK: Without this, the mouse coordinate mapping uses the old size |
---|
1822 | // for 1 frame. |
---|
1823 | assert(_viewer->getEventQueue() != NULL); |
---|
1824 | //TRACE("Window EventQueue: %p", getEventQueue()); |
---|
1825 | //TRACE("Viewer EventQueue: %p", _viewer->getEventQueue()); |
---|
1826 | _viewer->getEventQueue()->windowResize(0, 0, _windowWidth, _windowHeight); |
---|
1827 | _needsRedraw = true; |
---|
1828 | } |
---|
1829 | } |
---|
1830 | |
---|
1831 | /** |
---|
1832 | * \brief Set the orientation of the camera from a quaternion |
---|
1833 | * rotation |
---|
1834 | * |
---|
1835 | * \param[in] quat A quaternion with scalar part first: w,x,y,z |
---|
1836 | * \param[in] absolute Is rotation absolute or relative? |
---|
1837 | */ |
---|
1838 | void Renderer::setCameraOrientation(const double quat[4], bool absolute) |
---|
1839 | { |
---|
1840 | if (_manipulator.valid()) { |
---|
1841 | _manipulator->setRotation(osg::Quat(quat[1], quat[2], quat[3], quat[0])); |
---|
1842 | _needsRedraw = true; |
---|
1843 | } |
---|
1844 | } |
---|
1845 | |
---|
1846 | /** |
---|
1847 | * \brief Reset pan, zoom, clipping planes and optionally rotation |
---|
1848 | * |
---|
1849 | * \param[in] resetOrientation Reset the camera rotation/orientation also |
---|
1850 | */ |
---|
1851 | void Renderer::resetCamera(bool resetOrientation) |
---|
1852 | { |
---|
1853 | TRACE("Enter: resetOrientation=%d", resetOrientation ? 1 : 0); |
---|
1854 | if (_viewer.valid()) { |
---|
1855 | _viewer->home(); |
---|
1856 | _needsRedraw = true; |
---|
1857 | } |
---|
1858 | } |
---|
1859 | |
---|
1860 | /** |
---|
1861 | * \brief Perform a 2D translation of the camera |
---|
1862 | * |
---|
1863 | * x,y pan amount are specified as signed absolute pan amount in viewport |
---|
1864 | * units -- i.e. 0 is no pan, .5 is half the viewport, 2 is twice the viewport, |
---|
1865 | * etc. |
---|
1866 | * |
---|
1867 | * \param[in] x Viewport coordinate horizontal panning (positive number pans |
---|
1868 | * camera left, object right) |
---|
1869 | * \param[in] y Viewport coordinate vertical panning (positive number pans |
---|
1870 | * camera up, object down) |
---|
1871 | */ |
---|
1872 | void Renderer::panCamera(double x, double y) |
---|
1873 | { |
---|
1874 | TRACE("Enter: %g %g", x, y); |
---|
1875 | |
---|
1876 | if (_manipulator.valid()) { |
---|
1877 | // Wants mouse delta x,y in normalized screen coords |
---|
1878 | _manipulator->pan(x, y); |
---|
1879 | _needsRedraw = true; |
---|
1880 | } |
---|
1881 | } |
---|
1882 | |
---|
1883 | void Renderer::rotateCamera(double x, double y) |
---|
1884 | { |
---|
1885 | TRACE("Enter: %g %g", x, y); |
---|
1886 | |
---|
1887 | if (_manipulator.valid()) { |
---|
1888 | _manipulator->rotate(x, y); |
---|
1889 | _needsRedraw = true; |
---|
1890 | } |
---|
1891 | } |
---|
1892 | |
---|
1893 | /** |
---|
1894 | * \brief Dolly camera or set orthographic scaling based on camera type |
---|
1895 | * |
---|
1896 | * \param[in] y Mouse y coordinate in normalized screen coords |
---|
1897 | */ |
---|
1898 | void Renderer::zoomCamera(double y) |
---|
1899 | { |
---|
1900 | TRACE("Enter: y: %g", y); |
---|
1901 | |
---|
1902 | if (_manipulator.valid()) { |
---|
1903 | // +y = zoom out, -y = zoom in |
---|
1904 | TRACE("camDist: %g", _manipulator->getDistance()); |
---|
1905 | if ((_mapScale < 0.0 && y > 0.0) || |
---|
1906 | (_mapScale < 0.1 && y < 0.0) || |
---|
1907 | (_mapScale > 40000.0 && y > 0.0)) |
---|
1908 | return; |
---|
1909 | #if 1 |
---|
1910 | _manipulator->zoom(0, y); |
---|
1911 | #else |
---|
1912 | double dist = _manipulator->getDistance(); |
---|
1913 | dist *= (1.0 + y); |
---|
1914 | _manipulator->setDistance(dist); |
---|
1915 | #endif |
---|
1916 | _needsRedraw = true; |
---|
1917 | } |
---|
1918 | } |
---|
1919 | |
---|
1920 | /** |
---|
1921 | * \brief Dolly camera to set distance from focal point |
---|
1922 | * |
---|
1923 | * \param[in] dist distance in map? coordinates |
---|
1924 | */ |
---|
1925 | void Renderer::setCameraDistance(double dist) |
---|
1926 | { |
---|
1927 | TRACE("Enter: dist: %g", dist); |
---|
1928 | |
---|
1929 | if (_manipulator.valid()) { |
---|
1930 | TRACE("camDist: %g", _manipulator->getDistance()); |
---|
1931 | |
---|
1932 | _manipulator->setDistance(dist); |
---|
1933 | |
---|
1934 | _needsRedraw = true; |
---|
1935 | } |
---|
1936 | } |
---|
1937 | |
---|
1938 | void Renderer::keyPress(int key) |
---|
1939 | { |
---|
1940 | osgGA::EventQueue *queue = getEventQueue(); |
---|
1941 | if (queue != NULL) { |
---|
1942 | queue->keyPress(key); |
---|
1943 | _needsRedraw = true; |
---|
1944 | } |
---|
1945 | } |
---|
1946 | |
---|
1947 | void Renderer::keyRelease(int key) |
---|
1948 | { |
---|
1949 | osgGA::EventQueue *queue = getEventQueue(); |
---|
1950 | if (queue != NULL) { |
---|
1951 | queue->keyRelease(key); |
---|
1952 | _needsRedraw = true; |
---|
1953 | } |
---|
1954 | } |
---|
1955 | |
---|
1956 | void Renderer::setThrowingEnabled(bool state) |
---|
1957 | { |
---|
1958 | if (_manipulator.valid()) { |
---|
1959 | _manipulator->getSettings()->setThrowingEnabled(state); |
---|
1960 | } |
---|
1961 | } |
---|
1962 | |
---|
1963 | void Renderer::mouseDoubleClick(int button, double x, double y) |
---|
1964 | { |
---|
1965 | osgGA::EventQueue *queue = getEventQueue(); |
---|
1966 | if (queue != NULL) { |
---|
1967 | queue->mouseDoubleButtonPress((float)x, (float)y, button); |
---|
1968 | _needsRedraw = true; |
---|
1969 | } |
---|
1970 | } |
---|
1971 | |
---|
1972 | void Renderer::mouseClick(int button, double x, double y) |
---|
1973 | { |
---|
1974 | osgGA::EventQueue *queue = getEventQueue(); |
---|
1975 | if (queue != NULL) { |
---|
1976 | queue->mouseButtonPress((float)x, (float)y, button); |
---|
1977 | _needsRedraw = true; |
---|
1978 | } |
---|
1979 | } |
---|
1980 | |
---|
1981 | void Renderer::mouseDrag(int button, double x, double y) |
---|
1982 | { |
---|
1983 | osgGA::EventQueue *queue = getEventQueue(); |
---|
1984 | if (queue != NULL) { |
---|
1985 | queue->mouseMotion((float)x, (float)y); |
---|
1986 | _needsRedraw = true; |
---|
1987 | } |
---|
1988 | } |
---|
1989 | |
---|
1990 | void Renderer::mouseRelease(int button, double x, double y) |
---|
1991 | { |
---|
1992 | osgGA::EventQueue *queue = getEventQueue(); |
---|
1993 | if (queue != NULL) { |
---|
1994 | queue->mouseButtonRelease((float)x, (float)y, button); |
---|
1995 | _needsRedraw = true; |
---|
1996 | } |
---|
1997 | } |
---|
1998 | |
---|
1999 | void Renderer::mouseMotion(double x, double y) |
---|
2000 | { |
---|
2001 | if (_mouseCoordsTool.valid()) { |
---|
2002 | #if 1 |
---|
2003 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2004 | if (queue != NULL) { |
---|
2005 | queue->mouseMotion((float)x, (float)y); |
---|
2006 | _needsRedraw = true; |
---|
2007 | } |
---|
2008 | #else |
---|
2009 | if (_viewer.valid() && _coordsCallback.valid()) { |
---|
2010 | osgEarth::GeoPoint mapPt; |
---|
2011 | if (mapMouseCoords((float)x, (float)y, mapPt)) { |
---|
2012 | _coordsCallback->set(mapPt, _viewer->asView(), _mapNode); |
---|
2013 | } else { |
---|
2014 | _coordsCallback->reset(_viewer->asView(), _mapNode); |
---|
2015 | } |
---|
2016 | _needsRedraw = true; |
---|
2017 | } |
---|
2018 | #endif |
---|
2019 | } |
---|
2020 | } |
---|
2021 | |
---|
2022 | void Renderer::mouseScroll(int direction) |
---|
2023 | { |
---|
2024 | osgGA::EventQueue *queue = getEventQueue(); |
---|
2025 | if (queue != NULL) { |
---|
2026 | queue->mouseScroll((direction > 0 ? osgGA::GUIEventAdapter::SCROLL_UP : osgGA::GUIEventAdapter::SCROLL_DOWN)); |
---|
2027 | _needsRedraw = true; |
---|
2028 | } |
---|
2029 | } |
---|
2030 | |
---|
2031 | /** |
---|
2032 | * \brief Set the RGB background color to render into the image |
---|
2033 | */ |
---|
2034 | void Renderer::setBackgroundColor(float color[3]) |
---|
2035 | { |
---|
2036 | _bgColor[0] = color[0]; |
---|
2037 | _bgColor[1] = color[1]; |
---|
2038 | _bgColor[2] = color[2]; |
---|
2039 | |
---|
2040 | if (_viewer.valid()) { |
---|
2041 | _viewer->getCamera()->setClearColor(osg::Vec4(color[0], color[1], color[2], 1)); |
---|
2042 | |
---|
2043 | _needsRedraw = true; |
---|
2044 | } |
---|
2045 | } |
---|
2046 | |
---|
2047 | /** |
---|
2048 | * \brief Sets flag to trigger rendering next time render() is called |
---|
2049 | */ |
---|
2050 | void Renderer::eventuallyRender() |
---|
2051 | { |
---|
2052 | _needsRedraw = true; |
---|
2053 | } |
---|
2054 | |
---|
2055 | /** |
---|
2056 | * \brief Get a timeout in usecs for select() |
---|
2057 | * |
---|
2058 | * If the paging thread is idle, returns <0 indicating that the |
---|
2059 | * select call can block until data is available. Otherwise, |
---|
2060 | * if the frame render time was faster than the target frame |
---|
2061 | * rate, return the remaining frame time. |
---|
2062 | */ |
---|
2063 | long Renderer::getTimeout() |
---|
2064 | { |
---|
2065 | if (!checkNeedToDoFrame()) |
---|
2066 | // <0 means no timeout, block until socket has data |
---|
2067 | return -1L; |
---|
2068 | if (_lastFrameTime < _minFrameTime) { |
---|
2069 | return (long)1.0e6*(_minFrameTime - _lastFrameTime); |
---|
2070 | } else { |
---|
2071 | // No timeout (poll) |
---|
2072 | return 0L; |
---|
2073 | } |
---|
2074 | } |
---|
2075 | |
---|
2076 | /** |
---|
2077 | * \brief Check if paging thread is quiescent |
---|
2078 | */ |
---|
2079 | bool Renderer::isPagerIdle() |
---|
2080 | { |
---|
2081 | if (!_viewer.valid()) |
---|
2082 | return true; |
---|
2083 | else |
---|
2084 | return (!_viewer->getDatabasePager()->requiresUpdateSceneGraph() && |
---|
2085 | !_viewer->getDatabasePager()->getRequestsInProgress()); |
---|
2086 | } |
---|
2087 | |
---|
2088 | /** |
---|
2089 | * \brief Check is frame call is necessary to render and/or update |
---|
2090 | * in response to events or timed actions |
---|
2091 | */ |
---|
2092 | bool Renderer::checkNeedToDoFrame() |
---|
2093 | { |
---|
2094 | return (_needsRedraw || |
---|
2095 | (_viewer.valid() && _viewer->checkNeedToDoFrame())); |
---|
2096 | } |
---|
2097 | |
---|
2098 | /** |
---|
2099 | * \brief MapNode event phase |
---|
2100 | * |
---|
2101 | * This is called by the MapNode's event callback during the event |
---|
2102 | * traversal of the viewer |
---|
2103 | */ |
---|
2104 | void Renderer::mapNodeUpdate() |
---|
2105 | { |
---|
2106 | computeMapScale(); |
---|
2107 | } |
---|
2108 | |
---|
2109 | void Renderer::markFrameStart() |
---|
2110 | { |
---|
2111 | _startFrameTime = osg::Timer::instance()->tick(); |
---|
2112 | } |
---|
2113 | |
---|
2114 | void Renderer::markFrameEnd() |
---|
2115 | { |
---|
2116 | osg::Timer_t endFrameTick = osg::Timer::instance()->tick(); |
---|
2117 | _lastFrameTime = osg::Timer::instance()->delta_s(_startFrameTime, endFrameTick); |
---|
2118 | if (_lastFrameTime > _minFrameTime) { |
---|
2119 | ERROR("BROKE FRAME by %.2f msec", (_lastFrameTime - _minFrameTime)*1000.0f); |
---|
2120 | } else { |
---|
2121 | TRACE("Frame time: %.2f msec", _lastFrameTime*1000.0f); |
---|
2122 | } |
---|
2123 | #ifdef USE_THROTTLING_SLEEP |
---|
2124 | if (_lastFrameTime < _minFrameTime) { |
---|
2125 | TRACE("Sleeping for %.2f msec", (_minFrameTime - _lastFrameTime)*1000.0f); |
---|
2126 | OpenThreads::Thread::microSleep(static_cast<unsigned int>(1000000.0*(_minFrameTime - _lastFrameTime))); |
---|
2127 | } |
---|
2128 | #endif |
---|
2129 | } |
---|
2130 | |
---|
2131 | /** |
---|
2132 | * \brief Cause the rendering to render a new image if needed |
---|
2133 | * |
---|
2134 | * The _needsRedraw flag indicates if a state change has occured since |
---|
2135 | * the last rendered frame |
---|
2136 | */ |
---|
2137 | bool Renderer::render() |
---|
2138 | { |
---|
2139 | if (_viewer.valid() && checkNeedToDoFrame()) { |
---|
2140 | TRACE("Enter needsRedraw=%d", _needsRedraw ? 1 : 0); |
---|
2141 | _renderStartTime = osg::Timer::instance()->tick(); |
---|
2142 | TRACE("Before frame()"); |
---|
2143 | _viewer->frame(); |
---|
2144 | TRACE("After frame()"); |
---|
2145 | _renderStopTime = osg::Timer::instance()->tick(); |
---|
2146 | _renderTime = osg::Timer::instance()->delta_s(_renderStartTime, _renderStopTime); |
---|
2147 | TRACE("Render time: %g msec", _renderTime * 1000.0); |
---|
2148 | #ifndef SLEEP_AFTER_QUEUE_FRAME |
---|
2149 | _lastFrameTime = _renderTime; |
---|
2150 | #ifdef USE_THROTTLING_SLEEP |
---|
2151 | if (_lastFrameTime < _minFrameTime) { |
---|
2152 | TRACE("Sleeping for %.2f msec", (_minFrameTime - _lastFrameTime)*1000.0f); |
---|
2153 | OpenThreads::Thread::microSleep(static_cast<unsigned int>(1.0e6*(_minFrameTime - _lastFrameTime))); |
---|
2154 | } |
---|
2155 | #endif |
---|
2156 | #endif |
---|
2157 | #ifdef WANT_TRACE |
---|
2158 | if (_viewer->getViewerStats() != NULL) { |
---|
2159 | _viewer->getViewerStats()->report(std::cerr, _viewer->getViewerStats()->getLatestFrameNumber()); |
---|
2160 | } |
---|
2161 | #endif |
---|
2162 | _needsRedraw = false; |
---|
2163 | return true; |
---|
2164 | } else { |
---|
2165 | _renderStartTime = _renderStopTime = osg::Timer::instance()->tick(); |
---|
2166 | _renderTime = 0; |
---|
2167 | return false; |
---|
2168 | } |
---|
2169 | } |
---|
2170 | |
---|
2171 | /** |
---|
2172 | * \brief Read back the rendered framebuffer image |
---|
2173 | */ |
---|
2174 | osg::Image *Renderer::getRenderedFrame() |
---|
2175 | { |
---|
2176 | if (_captureCallback.valid()) |
---|
2177 | return _captureCallback->getImage(); |
---|
2178 | else |
---|
2179 | return NULL; |
---|
2180 | } |
---|
2181 | |
---|
2182 | void Renderer::setScaleBar(bool state) |
---|
2183 | { |
---|
2184 | if (_scaleLabel.valid()) { |
---|
2185 | _scaleLabel->setVisible(state); |
---|
2186 | } |
---|
2187 | if (_scaleBar.valid()) { |
---|
2188 | _scaleBar->setVisible(state); |
---|
2189 | } |
---|
2190 | _needsRedraw = true; |
---|
2191 | } |
---|
2192 | |
---|
2193 | void Renderer::setScaleBarUnits(ScaleBarUnits units) |
---|
2194 | { |
---|
2195 | _scaleBarUnits = units; |
---|
2196 | _needsRedraw = true; |
---|
2197 | } |
---|
2198 | |
---|
2199 | /** |
---|
2200 | * \brief Compute the scale ratio of the map based on a horizontal center line |
---|
2201 | * |
---|
2202 | * The idea here is to take 2 screen points on a horizontal line in the center |
---|
2203 | * of the screen and convert to lat/long. The lat/long coordinates are then |
---|
2204 | * used to compute the great circle distance (assuming spherical earth) between |
---|
2205 | * the points. |
---|
2206 | * |
---|
2207 | * We could use local projected map coordinates for the distance computation, |
---|
2208 | * which would be faster; however, this would not show e.g. the change in |
---|
2209 | * scale at different latitudes |
---|
2210 | */ |
---|
2211 | double Renderer::computeMapScale() |
---|
2212 | { |
---|
2213 | if (!_scaleLabel.valid() || !_scaleLabel->visible()) { |
---|
2214 | return -1.0; |
---|
2215 | } |
---|
2216 | if (!_mapNode.valid() || _mapNode->getTerrain() == NULL) { |
---|
2217 | ERROR("No map"); |
---|
2218 | return -1.0; |
---|
2219 | } |
---|
2220 | if (!_viewer.valid()) { |
---|
2221 | ERROR("No viewer"); |
---|
2222 | return -1.0; |
---|
2223 | } |
---|
2224 | |
---|
2225 | double x, y; |
---|
2226 | double pixelWidth = _windowWidth * 0.1 * 2.0; |
---|
2227 | if (pixelWidth < 10) |
---|
2228 | pixelWidth = 10; |
---|
2229 | if (pixelWidth > 150) |
---|
2230 | pixelWidth = 150; |
---|
2231 | x = (double)(_windowWidth -1)/2.0 - pixelWidth / 2.0; |
---|
2232 | y = (double)(_windowHeight-1)/2.0; |
---|
2233 | |
---|
2234 | osg::Vec3d world1, world2; |
---|
2235 | if (!_mapNode->getTerrain()->getWorldCoordsUnderMouse(_viewer->asView(), x, y, world1)) { |
---|
2236 | // off map |
---|
2237 | TRACE("Off map coords: %g %g", x, y); |
---|
2238 | _scaleLabel->setText(""); |
---|
2239 | _scaleBar->setWidth(0); |
---|
2240 | return -1.0; |
---|
2241 | } |
---|
2242 | x += pixelWidth; |
---|
2243 | if (!_mapNode->getTerrain()->getWorldCoordsUnderMouse(_viewer->asView(), x, y, world2)) { |
---|
2244 | // off map |
---|
2245 | TRACE("Off map coords: %g %g", x, y); |
---|
2246 | _scaleLabel->setText(""); |
---|
2247 | _scaleBar->setWidth(0); |
---|
2248 | return -1.0; |
---|
2249 | } |
---|
2250 | |
---|
2251 | TRACE("w1: %g %g %g w2: %g %g %g", |
---|
2252 | world1.x(), world1.y(), world1.z(), |
---|
2253 | world2.x(), world2.y(), world2.z()); |
---|
2254 | |
---|
2255 | double meters; |
---|
2256 | double radius = 6378137.0; |
---|
2257 | if (_mapNode->getMapSRS() && |
---|
2258 | _mapNode->getMapSRS()->getEllipsoid()) { |
---|
2259 | radius = _mapNode->getMapSRS()->getEllipsoid()->getRadiusEquator(); |
---|
2260 | } |
---|
2261 | if (!_map->isGeocentric() && |
---|
2262 | _mapNode->getMapSRS() && |
---|
2263 | _mapNode->getMapSRS()->isGeographic()) { |
---|
2264 | TRACE("Map is geographic"); |
---|
2265 | // World cords are already lat/long |
---|
2266 | // Compute great circle distance |
---|
2267 | meters = |
---|
2268 | osgEarth::GeoMath::distance(world1, world2, _mapNode->getMapSRS()); |
---|
2269 | } else if (_mapNode->getMapSRS()) { |
---|
2270 | // Get map coords in lat/long |
---|
2271 | osgEarth::GeoPoint mapPoint1, mapPoint2; |
---|
2272 | mapPoint1.fromWorld(_mapNode->getMapSRS(), world1); |
---|
2273 | mapPoint1.makeGeographic(); |
---|
2274 | mapPoint2.fromWorld(_mapNode->getMapSRS(), world2); |
---|
2275 | mapPoint2.makeGeographic(); |
---|
2276 | // Compute great circle distance |
---|
2277 | meters = |
---|
2278 | osgEarth::GeoMath::distance(osg::DegreesToRadians(mapPoint1.y()), |
---|
2279 | osg::DegreesToRadians(mapPoint1.x()), |
---|
2280 | osg::DegreesToRadians(mapPoint2.y()), |
---|
2281 | osg::DegreesToRadians(mapPoint2.x()), |
---|
2282 | radius); |
---|
2283 | } else { |
---|
2284 | // Assume geocentric? |
---|
2285 | ERROR("No map SRS"); |
---|
2286 | _scaleLabel->setText(""); |
---|
2287 | _scaleBar->setWidth(0); |
---|
2288 | return -1.0; |
---|
2289 | } |
---|
2290 | |
---|
2291 | double scale = meters / pixelWidth; |
---|
2292 | // 1mi = 5280 feet |
---|
2293 | //double scaleMiles = scale / 1609.344; // International mile = 1609.344m |
---|
2294 | //double scaleNauticalMiles = scale / 1852.0; // nautical mile = 1852m |
---|
2295 | //double scaleUSSurveyMiles = scale / 1609.347218694; // US survey mile = 5280 US survey feet |
---|
2296 | //double scaleUSSurveyFeet = scale * 3937.0/1200.0; // US survey foot = 1200/3937 m |
---|
2297 | TRACE("m: %g px: %g m/px: %g", meters, pixelWidth, scale); |
---|
2298 | _mapScale = scale; |
---|
2299 | switch (_scaleBarUnits) { |
---|
2300 | case UNITS_NAUTICAL_MILES: { |
---|
2301 | double nmi = meters / 1852.0; |
---|
2302 | scale = nmi / pixelWidth; |
---|
2303 | nmi = normalizeScaleNauticalMiles(nmi); |
---|
2304 | pixelWidth = nmi / scale; |
---|
2305 | if (_scaleLabel.valid()) { |
---|
2306 | _scaleLabel->setText(osgEarth::Stringify() |
---|
2307 | << nmi |
---|
2308 | << " nmi"); |
---|
2309 | } |
---|
2310 | } |
---|
2311 | break; |
---|
2312 | case UNITS_US_SURVEY_FEET: { |
---|
2313 | double feet = meters * 3937.0/1200.0; |
---|
2314 | scale = feet / pixelWidth; |
---|
2315 | feet = normalizeScaleFeet(feet); |
---|
2316 | pixelWidth = feet / scale; |
---|
2317 | if (_scaleLabel.valid()) { |
---|
2318 | if (feet >= 5280) { |
---|
2319 | _scaleLabel->setText(osgEarth::Stringify() |
---|
2320 | << feet / 5280.0 |
---|
2321 | << " miUS"); |
---|
2322 | } else { |
---|
2323 | _scaleLabel->setText(osgEarth::Stringify() |
---|
2324 | << feet |
---|
2325 | << " ftUS"); |
---|
2326 | } |
---|
2327 | } |
---|
2328 | } |
---|
2329 | break; |
---|
2330 | case UNITS_INTL_FEET: { |
---|
2331 | double feet = 5280.0 * meters / 1609.344; |
---|
2332 | scale = feet / pixelWidth; |
---|
2333 | feet = normalizeScaleFeet(feet); |
---|
2334 | pixelWidth = feet / scale; |
---|
2335 | if (_scaleLabel.valid()) { |
---|
2336 | if (feet >= 5280) { |
---|
2337 | _scaleLabel->setText(osgEarth::Stringify() |
---|
2338 | << feet / 5280.0 |
---|
2339 | << " mi"); |
---|
2340 | } else { |
---|
2341 | _scaleLabel->setText(osgEarth::Stringify() |
---|
2342 | << feet |
---|
2343 | << " ft"); |
---|
2344 | } |
---|
2345 | } |
---|
2346 | } |
---|
2347 | break; |
---|
2348 | case UNITS_METERS: |
---|
2349 | default: { |
---|
2350 | meters = normalizeScaleMeters(meters); |
---|
2351 | pixelWidth = meters / scale; |
---|
2352 | if (_scaleLabel.valid()) { |
---|
2353 | if (meters >= 1000) { |
---|
2354 | _scaleLabel->setText(osgEarth::Stringify() |
---|
2355 | << meters / 1000.0 |
---|
2356 | << " km"); |
---|
2357 | } else { |
---|
2358 | _scaleLabel->setText(osgEarth::Stringify() |
---|
2359 | << meters |
---|
2360 | << " m"); |
---|
2361 | } |
---|
2362 | } |
---|
2363 | } |
---|
2364 | break; |
---|
2365 | } |
---|
2366 | if (_scaleBar.valid()) { |
---|
2367 | _scaleBar->setWidth(pixelWidth); |
---|
2368 | } |
---|
2369 | return scale; |
---|
2370 | } |
---|
2371 | |
---|
2372 | std::string Renderer::getCanonicalPath(const std::string& url) const |
---|
2373 | { |
---|
2374 | std::string retStr; |
---|
2375 | std::string proto = osgDB::getServerProtocol(url); |
---|
2376 | if (proto.empty()) { |
---|
2377 | retStr = osgDB::getRealPath(url); |
---|
2378 | if (!osgDB::fileExists(retStr)) { |
---|
2379 | retStr = ""; |
---|
2380 | } |
---|
2381 | } else { |
---|
2382 | retStr = url; |
---|
2383 | } |
---|
2384 | return retStr; |
---|
2385 | } |
---|
2386 | |
---|
2387 | void Renderer::writeScene(const std::string& file) |
---|
2388 | { |
---|
2389 | if (_sceneRoot.valid()) { |
---|
2390 | GraphPrintVisitor gpv; |
---|
2391 | _sceneRoot->accept(gpv); |
---|
2392 | //osgDB::writeNodeFile(*_sceneRoot.get(), file); |
---|
2393 | } |
---|
2394 | } |
---|