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