[3998] | 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 | #ifndef GEOVIS_RENDERER_H |
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| 9 | #define GEOVIS_RENDERER_H |
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| 10 | |
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| 11 | #include <string> |
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| 12 | #include <vector> |
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| 13 | #include <tr1/unordered_map> |
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| 14 | #include <typeinfo> |
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| 15 | |
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| 16 | #include <osg/ref_ptr> |
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| 17 | #include <osg/Node> |
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| 18 | #include <osg/Image> |
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[4246] | 19 | #include <osg/TransferFunction> |
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[3998] | 20 | #include <osgViewer/Viewer> |
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[4273] | 21 | #include <osgGA/StateSetManipulator> |
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[4629] | 22 | #include <osgUtil/IncrementalCompileOperation> |
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[3998] | 23 | |
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[4307] | 24 | #include <osgEarth/StringUtils> |
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[4009] | 25 | #include <osgEarth/Map> |
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[4273] | 26 | #include <osgEarth/Viewpoint> |
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[4009] | 27 | #include <osgEarth/ImageLayer> |
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[4013] | 28 | #include <osgEarth/ElevationLayer> |
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| 29 | #include <osgEarth/ModelLayer> |
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[4009] | 30 | #include <osgEarth/TileSource> |
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[4013] | 31 | #include <osgEarth/ModelSource> |
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[4014] | 32 | #include <osgEarth/GeoData> |
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[4632] | 33 | #include <osgEarthAnnotation/AnnotationNode> |
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[4645] | 34 | #include <osgEarthAnnotation/FeatureNode> |
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[4009] | 35 | #include <osgEarthUtil/EarthManipulator> |
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[4014] | 36 | #include <osgEarthUtil/MouseCoordsTool> |
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[4307] | 37 | #include <osgEarthUtil/Controls> |
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| 38 | #include <osgEarthUtil/Formatter> |
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[4349] | 39 | #include <osgEarthUtil/MGRSFormatter> |
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[4036] | 40 | #include <osgEarthUtil/AutoClipPlaneHandler> |
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[4285] | 41 | #include <osgEarthUtil/VerticalScale> |
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[4009] | 42 | |
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[3998] | 43 | #include "Types.h" |
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| 44 | #include "Trace.h" |
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[4349] | 45 | #include "MouseCoordsTool.h" |
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| 46 | #include "ScaleBar.h" |
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[3998] | 47 | |
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| 48 | // Controls if TGA format is sent to client |
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[4028] | 49 | //#define RENDER_TARGA |
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[3998] | 50 | #define TARGA_BYTES_PER_PIXEL 3 |
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| 51 | |
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| 52 | namespace GeoVis { |
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| 53 | |
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[4009] | 54 | class ScreenCaptureCallback : public osg::Camera::DrawCallback |
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| 55 | { |
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| 56 | public: |
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[4320] | 57 | ScreenCaptureCallback(osg::Texture2D *texture = NULL) : |
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| 58 | osg::Camera::DrawCallback(), |
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| 59 | _texture(texture) |
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[4009] | 60 | { |
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| 61 | _image = new osg::Image; |
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| 62 | } |
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| 63 | |
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| 64 | virtual void operator()(osg::RenderInfo &renderInfo) const |
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| 65 | { |
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[4028] | 66 | TRACE("Enter ScreenCaptureCallback"); |
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[4009] | 67 | int width, height; |
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| 68 | if (renderInfo.getCurrentCamera() == NULL) { |
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| 69 | ERROR("No camera"); |
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| 70 | return; |
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| 71 | } |
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| 72 | if (renderInfo.getCurrentCamera()->getViewport() == NULL) { |
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| 73 | ERROR("No viewport"); |
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| 74 | return; |
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| 75 | } |
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| 76 | width = (int)renderInfo.getCurrentCamera()->getViewport()->width(); |
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| 77 | height = (int)renderInfo.getCurrentCamera()->getViewport()->height(); |
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| 78 | TRACE("readPixels: %d x %d", width, height); |
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[4320] | 79 | #if 0 //USE_OFFSCREEN_FRAMEBUFFER |
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| 80 | _image = _texture->getImage(); |
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| 81 | #else |
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[4009] | 82 | #ifdef RENDER_TARGA |
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| 83 | _image->readPixels(0, 0, width, height, |
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| 84 | GL_BGR, GL_UNSIGNED_BYTE); |
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| 85 | #else |
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| 86 | _image->readPixels(0, 0, width, height, |
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| 87 | GL_RGB, GL_UNSIGNED_BYTE); |
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| 88 | #endif |
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[4320] | 89 | #endif |
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[4009] | 90 | } |
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| 91 | |
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| 92 | osg::Image *getImage() |
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| 93 | { |
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| 94 | return _image.get(); |
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| 95 | } |
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| 96 | |
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[4320] | 97 | osg::Texture2D *getTexture() |
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| 98 | { |
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| 99 | return _texture.get(); |
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| 100 | } |
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| 101 | |
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[4009] | 102 | private: |
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[4320] | 103 | osg::ref_ptr<osg::Texture2D> _texture; |
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[4009] | 104 | osg::ref_ptr<osg::Image> _image; |
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| 105 | }; |
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| 106 | |
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[3998] | 107 | /** |
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| 108 | * \brief GIS Renderer |
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| 109 | */ |
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| 110 | class Renderer |
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| 111 | { |
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| 112 | public: |
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[4246] | 113 | typedef std::string ColorMapId; |
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[4312] | 114 | typedef std::string ViewpointId; |
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[4246] | 115 | |
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[4310] | 116 | enum GraticuleType { |
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| 117 | GRATICULE_UTM, |
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| 118 | GRATICULE_MGRS, |
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| 119 | GRATICULE_GEODETIC |
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| 120 | }; |
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| 121 | |
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[4349] | 122 | enum CoordinateDisplayType { |
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| 123 | COORDS_LATLONG_DECIMAL_DEGREES, |
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| 124 | COORDS_LATLONG_DEGREES_DECIMAL_MINUTES, |
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| 125 | COORDS_LATLONG_DEGREES_MINUTES_SECONDS, |
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| 126 | COORDS_MGRS |
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| 127 | }; |
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| 128 | |
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[3998] | 129 | Renderer(); |
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| 130 | virtual ~Renderer(); |
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| 131 | |
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[4636] | 132 | void setResourcePath(const std::string& path) |
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[4635] | 133 | { |
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| 134 | TRACE("Set resource path to %s", path.c_str()); |
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| 135 | _resourcePath = path; |
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| 136 | } |
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| 137 | |
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[4956] | 138 | void setCacheBaseDirectory(const std::string& path) |
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| 139 | { |
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| 140 | TRACE("Set cache base dir to %s", path.c_str()); |
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| 141 | _cacheBaseDir = path; |
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| 142 | } |
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| 143 | |
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| 144 | std::string getCacheDirectory() |
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| 145 | { |
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| 146 | return _cacheDir; |
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| 147 | } |
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| 148 | |
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[4635] | 149 | std::string getBaseImage(); |
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| 150 | |
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| 151 | std::string getPinIcon(); |
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| 152 | |
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[4246] | 153 | // Colormaps |
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| 154 | |
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| 155 | void addColorMap(const ColorMapId& id, osg::TransferFunction1D *xfer); |
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| 156 | |
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| 157 | void deleteColorMap(const ColorMapId& id); |
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| 158 | |
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| 159 | void setColorMapNumberOfTableEntries(const ColorMapId& id, int numEntries); |
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| 160 | |
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[4009] | 161 | // Scene |
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| 162 | |
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| 163 | void loadEarthFile(const char *path); |
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| 164 | |
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[4246] | 165 | void resetMap(osgEarth::MapOptions::CoordinateSystemType type, |
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| 166 | const char *profile = NULL, |
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| 167 | double bounds[4] = NULL); |
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[4028] | 168 | |
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[4036] | 169 | void clearMap(); |
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| 170 | |
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[4028] | 171 | // Map options |
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| 172 | |
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[4349] | 173 | void setCoordinateReadout(bool state, |
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| 174 | CoordinateDisplayType type = COORDS_LATLONG_DECIMAL_DEGREES, |
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| 175 | int precision = -1); |
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| 176 | |
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| 177 | void setReadout(int mouseX, int mouseY); |
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| 178 | |
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| 179 | void clearReadout(); |
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| 180 | |
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| 181 | void setScaleBar(bool state); |
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| 182 | |
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| 183 | void setScaleBarUnits(ScaleBarUnits units); |
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| 184 | |
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[4310] | 185 | void setGraticule(bool enable, GraticuleType type = GRATICULE_GEODETIC); |
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| 186 | |
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[4293] | 187 | void setViewerLightType(osg::View::LightingMode mode); |
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| 188 | |
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[4028] | 189 | void setLighting(bool state); |
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| 190 | |
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[4273] | 191 | void setTerrainLighting(bool state); |
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| 192 | |
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| 193 | void setTerrainVerticalScale(double scale); |
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| 194 | |
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| 195 | void setTerrainWireframe(bool state); |
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| 196 | |
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[4009] | 197 | // Image raster layers |
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| 198 | |
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[4036] | 199 | int getNumImageLayers() const |
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| 200 | { |
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| 201 | return (_map.valid() ? _map->getNumImageLayers() : 0); |
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| 202 | } |
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| 203 | |
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[4297] | 204 | void getImageLayerNames(std::vector<std::string>& names) |
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| 205 | { |
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| 206 | if (_map.valid()) { |
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| 207 | osgEarth::ImageLayerVector layerVector; |
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| 208 | _map->getImageLayers(layerVector); |
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| 209 | osgEarth::ImageLayerVector::const_iterator itr; |
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| 210 | for (itr = layerVector.begin(); itr != layerVector.end(); ++itr) { |
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| 211 | //osgEarth::UID uid = (*itr)->getUID(); |
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| 212 | names.push_back((*itr)->getName()); |
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| 213 | } |
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| 214 | } |
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| 215 | } |
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| 216 | |
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[4628] | 217 | bool addImageLayer(const char *name, osgEarth::TileSourceOptions& opts, |
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[4957] | 218 | bool enableCache = true, bool makeShared = false, |
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| 219 | bool visible = true); |
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[4009] | 220 | |
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| 221 | void removeImageLayer(const char *name); |
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| 222 | |
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[4013] | 223 | void moveImageLayer(const char *name, unsigned int pos); |
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[4009] | 224 | |
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| 225 | void setImageLayerOpacity(const char *name, double opacity); |
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| 226 | |
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| 227 | void setImageLayerVisibility(const char *name, bool state); |
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| 228 | |
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[4246] | 229 | void addColorFilter(const char *name, const char *shader); |
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| 230 | |
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| 231 | void removeColorFilter(const char *name, int idx = -1); |
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| 232 | |
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[4009] | 233 | // Elevation raster layers |
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| 234 | |
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[4036] | 235 | int getNumElevationLayers() const |
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| 236 | { |
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| 237 | return (_map.valid() ? _map->getNumElevationLayers() : 0); |
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| 238 | } |
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| 239 | |
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[4297] | 240 | void getElevationLayerNames(std::vector<std::string>& names) |
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| 241 | { |
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| 242 | if (_map.valid()) { |
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| 243 | osgEarth::ElevationLayerVector layerVector; |
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| 244 | _map->getElevationLayers(layerVector); |
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| 245 | osgEarth::ElevationLayerVector::const_iterator itr; |
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| 246 | for (itr = layerVector.begin(); itr != layerVector.end(); ++itr) { |
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| 247 | //osgEarth::UID uid = (*itr)->getUID(); |
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| 248 | names.push_back((*itr)->getName()); |
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| 249 | } |
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| 250 | } |
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| 251 | } |
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| 252 | |
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[4957] | 253 | void addElevationLayer(const char *name, osgEarth::TileSourceOptions& opts, |
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| 254 | bool enableCache = true, bool visible = true); |
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[4009] | 255 | |
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[4013] | 256 | void removeElevationLayer(const char *name); |
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| 257 | |
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| 258 | void moveElevationLayer(const char *name, unsigned int pos); |
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| 259 | |
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[4036] | 260 | void setElevationLayerVisibility(const char *name, bool state); |
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| 261 | |
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[4009] | 262 | // Model layers |
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| 263 | |
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[4036] | 264 | int getNumModelLayers() const |
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| 265 | { |
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| 266 | return (_map.valid() ? _map->getNumModelLayers() : 0); |
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| 267 | } |
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| 268 | |
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[4297] | 269 | void getModelLayerNames(std::vector<std::string>& names) |
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| 270 | { |
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| 271 | if (_map.valid()) { |
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| 272 | osgEarth::ModelLayerVector layerVector; |
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| 273 | _map->getModelLayers(layerVector); |
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| 274 | osgEarth::ModelLayerVector::const_iterator itr; |
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| 275 | for (itr = layerVector.begin(); itr != layerVector.end(); ++itr) { |
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| 276 | //osgEarth::UID uid = (*itr)->getUID(); |
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| 277 | names.push_back((*itr)->getName()); |
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| 278 | } |
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| 279 | } |
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| 280 | } |
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| 281 | |
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[4284] | 282 | void addModelLayer(const char *name, osgEarth::ModelSourceOptions& opts); |
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[4009] | 283 | |
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[4013] | 284 | void removeModelLayer(const char *name); |
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| 285 | |
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| 286 | void moveModelLayer(const char *name, unsigned int pos); |
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| 287 | |
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[4054] | 288 | void setModelLayerOpacity(const char *name, double opacity); |
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| 289 | |
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[4036] | 290 | void setModelLayerVisibility(const char *name, bool state); |
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| 291 | |
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[3998] | 292 | // Render window |
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| 293 | |
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| 294 | void setWindowSize(int width, int height); |
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| 295 | |
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| 296 | int getWindowWidth() const |
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| 297 | { |
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| 298 | return _windowWidth; |
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| 299 | } |
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| 300 | |
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| 301 | int getWindowHeight() const |
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| 302 | { |
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| 303 | return _windowHeight; |
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| 304 | } |
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| 305 | |
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[4273] | 306 | // Camera |
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| 307 | |
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[4312] | 308 | void saveNamedViewpoint(const char *name); |
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| 309 | |
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| 310 | bool restoreNamedViewpoint(const char *name, double durationSecs); |
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| 311 | |
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[4319] | 312 | bool removeNamedViewpoint(const char *name); |
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| 313 | |
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[4273] | 314 | osgEarth::Viewpoint getViewpoint(); |
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| 315 | |
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| 316 | void setViewpoint(const osgEarth::Viewpoint& v, double durationSecs = 0.0); |
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| 317 | |
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[3998] | 318 | void resetCamera(bool resetOrientation = true); |
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| 319 | |
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| 320 | void setCameraOrientation(const double quat[4], bool absolute = true); |
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| 321 | |
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[4313] | 322 | void panCamera(double x, double y); |
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[3998] | 323 | |
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[4313] | 324 | void rotateCamera(double x, double y); |
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[3998] | 325 | |
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[4313] | 326 | void zoomCamera(double z); |
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[4009] | 327 | |
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[4315] | 328 | void setCameraDistance(double dist); |
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| 329 | |
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[4033] | 330 | // Keyboard events |
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| 331 | |
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| 332 | void keyPress(int key); |
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| 333 | |
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| 334 | void keyRelease(int key); |
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| 335 | |
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[4014] | 336 | // Mouse events |
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| 337 | |
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[4028] | 338 | void setThrowingEnabled(bool state); |
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| 339 | |
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[4014] | 340 | void mouseClick(int button, double x, double y); |
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| 341 | |
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| 342 | void mouseDoubleClick(int button, double x, double y); |
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| 343 | |
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| 344 | void mouseDrag(int button, double x, double y); |
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| 345 | |
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| 346 | void mouseRelease(int button, double x, double y); |
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| 347 | |
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| 348 | void mouseMotion(double x, double y); |
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| 349 | |
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| 350 | void mouseScroll(int direction); |
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| 351 | |
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[3998] | 352 | // Rendering an image |
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| 353 | |
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| 354 | void setBackgroundColor(float color[3]); |
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| 355 | |
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| 356 | void eventuallyRender(); |
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| 357 | |
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| 358 | bool render(); |
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| 359 | |
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[4009] | 360 | osg::Image *getRenderedFrame(); |
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[3998] | 361 | |
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[4322] | 362 | bool mapMouseCoords(float mouseX, float mouseY, |
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| 363 | osgEarth::GeoPoint &pt, bool invertY = true); |
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[4028] | 364 | |
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[4345] | 365 | double computeMapScale(); |
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| 366 | |
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[4575] | 367 | const osgEarth::SpatialReference *getMapSRS() |
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| 368 | { |
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| 369 | if (_mapNode.valid()) { |
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| 370 | return _mapNode->getMapSRS(); |
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| 371 | } else { |
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| 372 | return NULL; |
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| 373 | } |
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| 374 | } |
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| 375 | |
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[4632] | 376 | void addPlaceNode(double latitude, double longitude, char *labelText); |
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| 377 | |
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| 378 | void hoverPlaceNode(int x, int y, bool invertY = true); |
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| 379 | |
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| 380 | void deletePlaceNode(int x, int y, bool invertY = true); |
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| 381 | |
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[4014] | 382 | bool getMousePoint(double *x, double *y, double *z) |
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| 383 | { |
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[4282] | 384 | return (_coordsCallback.valid() && _coordsCallback->report(x, y, z)); |
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[4014] | 385 | } |
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| 386 | |
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[4645] | 387 | bool mouseToLatLong(int mouseX, int mouseY, double *latitude, double *longitude); |
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| 388 | |
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[4575] | 389 | bool getWorldCoords(const osgEarth::GeoPoint& mapPt, osg::Vec3d *world); |
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| 390 | |
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| 391 | bool worldToScreen(const osg::Vec3d& world, osg::Vec3d *screen, |
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| 392 | bool invertY = true); |
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| 393 | |
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[4636] | 394 | bool worldToScreen(std::vector<osg::Vec3d>& coords, bool invertY = true); |
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| 395 | |
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[4628] | 396 | void setMaximumFrameRateInHertz(double rate) |
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| 397 | { |
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| 398 | if (rate > 60.0) |
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| 399 | rate = 60.0; |
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| 400 | if (rate < 0.25) |
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| 401 | rate = 0.25; |
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| 402 | _minFrameTime = 1.0/rate; |
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[4629] | 403 | if (_viewer.valid()) { |
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| 404 | osgUtil::IncrementalCompileOperation *op = |
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| 405 | _viewer->getDatabasePager()->getIncrementalCompileOperation(); |
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| 406 | if (op != NULL) { |
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| 407 | TRACE("Setting DB Pager target frame rate to %g", rate); |
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| 408 | op->setTargetFrameRate(rate); |
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| 409 | } |
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| 410 | } |
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[4628] | 411 | } |
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| 412 | |
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| 413 | void setMaximumBitrate(double bitsPerSecond) |
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| 414 | { |
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| 415 | unsigned long bitsPerFrame = (_windowWidth * _windowHeight * 3 + 16) * 8; |
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| 416 | double fps = bitsPerSecond / ((double)bitsPerFrame); |
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| 417 | setMaximumFrameRateInHertz(fps); |
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| 418 | } |
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| 419 | |
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| 420 | double getMaximumFrameRateInHertz() |
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| 421 | { |
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| 422 | return (1.0/_minFrameTime); |
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| 423 | } |
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| 424 | |
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| 425 | double getMaximumBitrate() |
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| 426 | { |
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| 427 | unsigned long bitsPerFrame = (_windowWidth * _windowHeight * 3 + 16) * 8; |
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| 428 | return ((double)bitsPerFrame * getMaximumFrameRateInHertz()); |
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| 429 | } |
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| 430 | |
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| 431 | void markFrameStart(); |
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| 432 | |
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| 433 | void markFrameEnd(); |
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| 434 | |
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[4025] | 435 | long getTimeout(); |
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| 436 | |
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[4349] | 437 | void mapNodeUpdate(); |
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| 438 | |
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[4382] | 439 | std::string getCanonicalPath(const std::string& url) const; |
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| 440 | |
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[4645] | 441 | void writeScene(const std::string& file); |
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| 442 | |
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| 443 | void addRhumbBox(double latMin, double latMax, double longMin, double longMax); |
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| 444 | |
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| 445 | void initBoxSelection(int x, int y); |
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| 446 | void updateBoxSelection(int x, int y); |
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| 447 | void clearBoxSelection(); |
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| 448 | |
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[4655] | 449 | bool select(osgEarth::Annotation::AnnotationNode *node) |
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| 450 | { |
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| 451 | if (_selected.find(node) == _selected.end()) { |
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| 452 | _selected.insert(node); |
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| 453 | return true; |
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| 454 | } else { |
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| 455 | return false; |
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| 456 | } |
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| 457 | } |
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| 458 | |
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[3998] | 459 | private: |
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[4246] | 460 | typedef std::tr1::unordered_map<ColorMapId, osg::ref_ptr<osg::TransferFunction1D> > ColorMapHashmap; |
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[4312] | 461 | typedef std::tr1::unordered_map<ViewpointId, osgEarth::Viewpoint> ViewpointHashmap; |
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[4246] | 462 | |
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[4382] | 463 | void setupCache(); |
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| 464 | |
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[4645] | 465 | void initAnnotations(); |
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| 466 | |
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[4293] | 467 | void initViewer(); |
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| 468 | |
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| 469 | void finalizeViewer(); |
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[4345] | 470 | |
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| 471 | void initControls(); |
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[4293] | 472 | |
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[4305] | 473 | void initEarthManipulator(); |
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| 474 | |
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[4349] | 475 | void initMouseCoordsTool(CoordinateDisplayType type = COORDS_LATLONG_DECIMAL_DEGREES, |
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| 476 | int precision = -1); |
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[4307] | 477 | |
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[4349] | 478 | osgEarth::Util::MGRSFormatter::Precision getMGRSPrecision(int precisionInMeters); |
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| 479 | |
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[4246] | 480 | void initColorMaps(); |
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| 481 | |
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[3998] | 482 | void initCamera(); |
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| 483 | |
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[4033] | 484 | bool isPagerIdle(); |
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| 485 | |
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| 486 | bool checkNeedToDoFrame(); |
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| 487 | |
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[4028] | 488 | osgGA::EventQueue *getEventQueue(); |
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| 489 | |
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[3998] | 490 | bool _needsRedraw; |
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| 491 | int _windowWidth, _windowHeight; |
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[4645] | 492 | double _mapScale; |
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[3998] | 493 | float _bgColor[3]; |
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| 494 | |
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[4025] | 495 | double _minFrameTime; |
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| 496 | double _lastFrameTime; |
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[4632] | 497 | double _renderTime; |
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[4628] | 498 | osg::Timer_t _startFrameTime; |
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[4632] | 499 | osg::Timer_t _renderStartTime; |
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| 500 | osg::Timer_t _renderStopTime; |
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[4025] | 501 | |
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[4246] | 502 | ColorMapHashmap _colorMaps; |
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| 503 | |
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[4635] | 504 | std::string _resourcePath; |
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[4956] | 505 | std::string _cacheBaseDir; |
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| 506 | std::string _cacheDir; |
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[4305] | 507 | std::string _baseURI; |
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| 508 | |
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[4310] | 509 | osg::ref_ptr<osg::Group> _sceneRoot; |
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| 510 | osg::ref_ptr<osg::Group> _graticule; |
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[4632] | 511 | osg::ref_ptr<osg::Group> _annotations; |
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[4645] | 512 | double _anchorLat, _anchorLong; |
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| 513 | osg::ref_ptr<osgEarth::Annotation::FeatureNode> _selectionBox; |
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[4632] | 514 | osg::ref_ptr<osg::Group> _placeNodes; |
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| 515 | std::set<osgEarth::Annotation::AnnotationNode *> _hovered; |
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[4655] | 516 | std::set<osgEarth::Annotation::AnnotationNode *> _selected; |
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[4014] | 517 | osg::ref_ptr<osgEarth::MapNode> _mapNode; |
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[4009] | 518 | osg::ref_ptr<osgEarth::Map> _map; |
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[3998] | 519 | osg::ref_ptr<osgViewer::Viewer> _viewer; |
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[4009] | 520 | osg::ref_ptr<ScreenCaptureCallback> _captureCallback; |
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[4036] | 521 | osg::ref_ptr<osgEarth::Util::AutoClipPlaneCullCallback> _clipPlaneCullCallback; |
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[4349] | 522 | osg::ref_ptr<MouseCoordsTool> _mouseCoordsTool; |
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[4014] | 523 | osg::ref_ptr<MouseCoordsCallback> _coordsCallback; |
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[4345] | 524 | osg::ref_ptr<osgEarth::Util::Controls::HBox> _hbox; |
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| 525 | osg::ref_ptr<osgEarth::Util::Controls::LabelControl> _copyrightLabel; |
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| 526 | osg::ref_ptr<osgEarth::Util::Controls::LabelControl> _scaleLabel; |
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| 527 | osg::ref_ptr<osgEarth::Util::Controls::Frame> _scaleBar; |
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[4349] | 528 | ScaleBarUnits _scaleBarUnits; |
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[4009] | 529 | osg::ref_ptr<osgEarth::Util::EarthManipulator> _manipulator; |
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[4273] | 530 | osg::ref_ptr<osgGA::StateSetManipulator> _stateManip; |
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[4285] | 531 | osg::ref_ptr<osgEarth::Util::VerticalScale> _verticalScale; |
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[4312] | 532 | ViewpointHashmap _viewpoints; |
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[3998] | 533 | }; |
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| 534 | |
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[4349] | 535 | class MapNodeCallback : public osg::NodeCallback |
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| 536 | { |
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| 537 | public: |
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| 538 | MapNodeCallback(Renderer *renderer) : |
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| 539 | _renderer(renderer) |
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| 540 | {} |
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| 541 | |
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| 542 | virtual void operator()(osg::Node* node, osg::NodeVisitor* nv) |
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| 543 | { |
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| 544 | _renderer->mapNodeUpdate(); |
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| 545 | traverse(node, nv); |
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| 546 | } |
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| 547 | private: |
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| 548 | Renderer *_renderer; |
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| 549 | }; |
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| 550 | |
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[4655] | 551 | class SelectPlaceNodesVisitor : public osg::NodeVisitor |
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| 552 | { |
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| 553 | public: |
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| 554 | SelectPlaceNodesVisitor(Renderer *renderer, |
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| 555 | double latMin, double latMax, |
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| 556 | double longMin, double longMax) : |
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| 557 | osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN), |
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| 558 | _renderer(renderer), |
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| 559 | _latMin(latMin), _latMax(latMax), |
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| 560 | _longMin(longMin), _longMax(longMax) |
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| 561 | {} |
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| 562 | |
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| 563 | virtual void apply(osg::Node& node); |
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| 564 | |
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| 565 | private: |
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| 566 | Renderer *_renderer; |
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| 567 | double _latMin, _latMax, _longMin, _longMax; |
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| 568 | }; |
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| 569 | |
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[3998] | 570 | } |
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| 571 | |
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| 572 | #endif |
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