void MapNodeHelper::parse(MapNode* mapNode, osg::ArgumentParser& args, osgViewer::View* view, osg::Group* root, Control* userControl ) const { // this is a dubious move. if ( !root ) root = mapNode; // options to use for the load osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions(); // parse out custom example arguments first: bool useSky = args.read("--sky"); bool useOcean = args.read("--ocean"); bool useMGRS = args.read("--mgrs"); bool useDMS = args.read("--dms"); bool useDD = args.read("--dd"); bool useCoords = args.read("--coords") || useMGRS || useDMS || useDD; bool useOrtho = args.read("--ortho"); bool useAutoClip = args.read("--autoclip"); float ambientBrightness = 0.2f; args.read("--ambientBrightness", ambientBrightness); std::string kmlFile; args.read( "--kml", kmlFile ); std::string imageFolder; args.read( "--images", imageFolder ); std::string imageExtensions; args.read("--image-extensions", imageExtensions); // install a canvas for any UI controls we plan to create: ControlCanvas* canvas = ControlCanvas::get(view, false); Container* mainContainer = canvas->addControl( new VBox() ); mainContainer->setAbsorbEvents( true ); mainContainer->setBackColor( Color(Color::Black, 0.8) ); mainContainer->setHorizAlign( Control::ALIGN_LEFT ); mainContainer->setVertAlign( Control::ALIGN_BOTTOM ); // install the user control: if ( userControl ) mainContainer->addControl( userControl ); // look for external data in the map node: const Config& externals = mapNode->externalConfig(); const Config& skyConf = externals.child("sky"); const Config& oceanConf = externals.child("ocean"); const Config& annoConf = externals.child("annotations"); const Config& declutterConf = externals.child("decluttering"); Config viewpointsConf = externals.child("viewpoints"); // some terrain effects. const Config& normalMapConf = externals.child("normal_map"); const Config& detailTexConf = externals.child("detail_texture"); const Config& lodBlendingConf = externals.child("lod_blending"); const Config& vertScaleConf = externals.child("vertical_scale"); const Config& contourMapConf = externals.child("contour_map"); // backwards-compatibility: read viewpoints at the top level: const ConfigSet& old_viewpoints = externals.children("viewpoint"); for( ConfigSet::const_iterator i = old_viewpoints.begin(); i != old_viewpoints.end(); ++i ) viewpointsConf.add( *i ); // Loading a viewpoint list from the earth file: if ( !viewpointsConf.empty() ) { std::vector<Viewpoint> viewpoints; const ConfigSet& children = viewpointsConf.children(); if ( children.size() > 0 ) { for( ConfigSet::const_iterator i = children.begin(); i != children.end(); ++i ) { viewpoints.push_back( Viewpoint(*i) ); } } if ( viewpoints.size() > 0 ) { Control* c = ViewpointControlFactory().create(viewpoints, view); if ( c ) mainContainer->addControl( c ); } } // Adding a sky model: if ( useSky || !skyConf.empty() ) { double hours = skyConf.value( "hours", 12.0 ); SkyNode* sky = new SkyNode( mapNode->getMap() ); sky->setAmbientBrightness( ambientBrightness ); sky->setDateTime( DateTime(2011, 3, 6, hours) ); sky->attach( view ); root->addChild( sky ); Control* c = SkyControlFactory().create(sky, view); if ( c ) mainContainer->addControl( c ); } // Adding an ocean model: if ( useOcean || !oceanConf.empty() ) { OceanSurfaceNode* ocean = new OceanSurfaceNode( mapNode, oceanConf ); if ( ocean ) { root->addChild( ocean ); Control* c = OceanControlFactory().create(ocean, view); if ( c ) mainContainer->addControl(c); } } // Loading KML from the command line: if ( !kmlFile.empty() ) { KMLOptions kml_options; kml_options.declutter() = true; // set up a default icon for point placemarks: IconSymbol* defaultIcon = new IconSymbol(); defaultIcon->url()->setLiteral(KML_PUSHPIN_URL); kml_options.defaultIconSymbol() = defaultIcon; osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options ); if ( kml ) { Control* c = AnnotationGraphControlFactory().create(kml, view); if ( c ) { c->setVertAlign( Control::ALIGN_TOP ); canvas->addControl( c ); } root->addChild( kml ); } } // Annotations in the map node externals: if ( !annoConf.empty() ) { osg::Group* annotations = 0L; AnnotationRegistry::instance()->create( mapNode, annoConf, dbOptions.get(), annotations ); if ( annotations ) { root->addChild( annotations ); } } // Configure the de-cluttering engine for labels and annotations: if ( !declutterConf.empty() ) { Decluttering::setOptions( DeclutteringOptions(declutterConf) ); } // Configure the mouse coordinate readout: if ( useCoords ) { LabelControl* readout = new LabelControl(); readout->setBackColor( Color(Color::Black, 0.8) ); readout->setHorizAlign( Control::ALIGN_RIGHT ); readout->setVertAlign( Control::ALIGN_BOTTOM ); Formatter* formatter = useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) : useDMS ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) : useDD ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) : 0L; MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode ); mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) ); view->addEventHandler( mcTool ); canvas->addControl( readout ); } // Configure for an ortho camera: if ( useOrtho ) { EarthManipulator* manip = dynamic_cast<EarthManipulator*>(view->getCameraManipulator()); if ( manip ) { manip->getSettings()->setCameraProjection( EarthManipulator::PROJ_ORTHOGRAPHIC ); } } // Install an auto clip plane clamper if ( useAutoClip ) { mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) ); } // Scan for images if necessary. if ( !imageFolder.empty() ) { std::vector<std::string> extensions; if ( !imageExtensions.empty() ) StringTokenizer( imageExtensions, extensions, ",;", "", false, true ); if ( extensions.empty() ) extensions.push_back( "tif" ); OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl; ImageLayerVector imageLayers; DataScanner scanner; scanner.findImageLayers( imageFolder, extensions, imageLayers ); if ( imageLayers.size() > 0 ) { mapNode->getMap()->beginUpdate(); for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i ) { mapNode->getMap()->addImageLayer( i->get() ); } mapNode->getMap()->endUpdate(); } OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl; } // Install a normal map layer. if ( !normalMapConf.empty() ) { osg::ref_ptr<NormalMap> effect = new NormalMap(normalMapConf, mapNode->getMap()); if ( effect->getNormalMapLayer() ) { mapNode->getTerrainEngine()->addEffect( effect.get() ); } } // Install a detail texturer if ( !detailTexConf.empty() ) { osg::ref_ptr<DetailTexture> effect = new DetailTexture(detailTexConf); if ( effect->getImage() ) { mapNode->getTerrainEngine()->addEffect( effect.get() ); } } // Install elevation morphing if ( !lodBlendingConf.empty() ) { mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) ); } // Install vertical scaler if ( !vertScaleConf.empty() ) { mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) ); } // Install a contour map effect. if ( !contourMapConf.empty() ) { mapNode->getTerrainEngine()->addEffect( new ContourMap(contourMapConf) ); } // Generic named value uniform with min/max. VBox* uniformBox = 0L; while( args.find( "--uniform" ) >= 0 ) { std::string name; float minval, maxval; if ( args.read( "--uniform", name, minval, maxval ) ) { if ( uniformBox == 0L ) { uniformBox = new VBox(); uniformBox->setBackColor(0,0,0,0.5); uniformBox->setAbsorbEvents( true ); canvas->addControl( uniformBox ); } osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name); uniform->set( minval ); root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE ); HBox* box = new HBox(); box->addControl( new LabelControl(name) ); HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform))); hs->setHorizFill(true, 200); box->addControl( new LabelControl(hs) ); uniformBox->addControl( box ); OE_INFO << LC << "Installed uniform controller for " << name << std::endl; } } root->addChild( canvas ); }
void MapNodeHelper::parse(MapNode* mapNode, osg::ArgumentParser& args, osgViewer::View* view, osg::Group* root, Control* userControl ) const { if ( !root ) root = mapNode; // options to use for the load osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions(); // parse out custom example arguments first: bool useSky = args.read("--sky"); bool useOcean = args.read("--ocean"); bool useMGRS = args.read("--mgrs"); bool useDMS = args.read("--dms"); bool useDD = args.read("--dd"); bool useCoords = args.read("--coords") || useMGRS || useDMS || useDD; bool useOrtho = args.read("--ortho"); bool useAutoClip = args.read("--autoclip"); bool useShadows = args.read("--shadows"); bool animateSky = args.read("--animate-sky"); bool showActivity = args.read("--activity"); bool useLogDepth = args.read("--logdepth"); bool useLogDepth2 = args.read("--logdepth2"); bool kmlUI = args.read("--kmlui"); if (args.read("--verbose")) osgEarth::setNotifyLevel(osg::INFO); if (args.read("--quiet")) osgEarth::setNotifyLevel(osg::FATAL); float ambientBrightness = 0.2f; args.read("--ambientBrightness", ambientBrightness); std::string kmlFile; args.read( "--kml", kmlFile ); std::string imageFolder; args.read( "--images", imageFolder ); std::string imageExtensions; args.read("--image-extensions", imageExtensions); // animation path: std::string animpath; if ( args.read("--path", animpath) ) { view->setCameraManipulator( new osgGA::AnimationPathManipulator(animpath) ); } // Install a new Canvas for our UI controls, or use one that already exists. ControlCanvas* canvas = ControlCanvas::getOrCreate( view ); Container* mainContainer = canvas->addControl( new VBox() ); mainContainer->setAbsorbEvents( true ); mainContainer->setBackColor( Color(Color::Black, 0.8) ); mainContainer->setHorizAlign( Control::ALIGN_LEFT ); mainContainer->setVertAlign( Control::ALIGN_BOTTOM ); // install the user control: if ( userControl ) mainContainer->addControl( userControl ); // look for external data in the map node: const Config& externals = mapNode->externalConfig(); const Config& skyConf = externals.child("sky"); const Config& oceanConf = externals.child("ocean"); const Config& annoConf = externals.child("annotations"); const Config& declutterConf = externals.child("decluttering"); // some terrain effects. // TODO: Most of these are likely to move into extensions. const Config& lodBlendingConf = externals.child("lod_blending"); const Config& vertScaleConf = externals.child("vertical_scale"); const Config& contourMapConf = externals.child("contour_map"); // Adding a sky model: if ( useSky || !skyConf.empty() ) { SkyOptions options(skyConf); if ( options.getDriver().empty() ) { if ( mapNode->getMapSRS()->isGeographic() ) options.setDriver("simple"); else options.setDriver("gl"); } SkyNode* sky = SkyNode::create(options, mapNode); if ( sky ) { sky->attach( view, 0 ); if ( mapNode->getNumParents() > 0 ) { osgEarth::insertGroup(sky, mapNode->getParent(0)); } else { sky->addChild( mapNode ); root = sky; } Control* c = SkyControlFactory().create(sky, view); if ( c ) mainContainer->addControl( c ); if (animateSky) { sky->setUpdateCallback( new AnimateSkyUpdateCallback() ); } } } // Adding an ocean model: if ( useOcean || !oceanConf.empty() ) { OceanNode* ocean = OceanNode::create(OceanOptions(oceanConf), mapNode); if ( ocean ) { // if there's a sky, we want to ocean under it osg::Group* parent = osgEarth::findTopMostNodeOfType<SkyNode>(root); if ( !parent ) parent = root; parent->addChild( ocean ); Control* c = OceanControlFactory().create(ocean); if ( c ) mainContainer->addControl(c); } } // Shadowing. if ( useShadows ) { ShadowCaster* caster = new ShadowCaster(); caster->setLight( view->getLight() ); caster->getShadowCastingGroup()->addChild( mapNode->getModelLayerGroup() ); if ( mapNode->getNumParents() > 0 ) { insertGroup(caster, mapNode->getParent(0)); } else { caster->addChild(mapNode); root = caster; } } // Loading KML from the command line: if ( !kmlFile.empty() ) { KMLOptions kml_options; kml_options.declutter() = true; // set up a default icon for point placemarks: IconSymbol* defaultIcon = new IconSymbol(); defaultIcon->url()->setLiteral(KML_PUSHPIN_URL); kml_options.defaultIconSymbol() = defaultIcon; osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options ); if ( kml ) { if (kmlUI) { Control* c = AnnotationGraphControlFactory().create(kml, view); if ( c ) { c->setVertAlign( Control::ALIGN_TOP ); canvas->addControl( c ); } } root->addChild( kml ); } else { OE_NOTICE << "Failed to load " << kmlFile << std::endl; } } // Annotations in the map node externals: if ( !annoConf.empty() ) { osg::Group* annotations = 0L; AnnotationRegistry::instance()->create( mapNode, annoConf, dbOptions.get(), annotations ); if ( annotations ) { root->addChild( annotations ); } } // Configure the de-cluttering engine for labels and annotations: if ( !declutterConf.empty() ) { Decluttering::setOptions( DeclutteringOptions(declutterConf) ); } // Configure the mouse coordinate readout: if ( useCoords ) { LabelControl* readout = new LabelControl(); readout->setBackColor( Color(Color::Black, 0.8) ); readout->setHorizAlign( Control::ALIGN_RIGHT ); readout->setVertAlign( Control::ALIGN_BOTTOM ); Formatter* formatter = useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) : useDMS ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) : useDD ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) : 0L; MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode ); mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) ); view->addEventHandler( mcTool ); canvas->addControl( readout ); } // Configure for an ortho camera: if ( useOrtho ) { EarthManipulator* manip = dynamic_cast<EarthManipulator*>(view->getCameraManipulator()); if ( manip ) { manip->getSettings()->setCameraProjection( EarthManipulator::PROJ_ORTHOGRAPHIC ); } } // activity monitor (debugging) if ( showActivity ) { VBox* vbox = new VBox(); vbox->setBackColor( Color(Color::Black, 0.8) ); vbox->setHorizAlign( Control::ALIGN_RIGHT ); vbox->setVertAlign( Control::ALIGN_BOTTOM ); view->addEventHandler( new ActivityMonitorTool(vbox) ); canvas->addControl( vbox ); } // Install an auto clip plane clamper if ( useAutoClip ) { mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) ); } // Install logarithmic depth buffer on main camera if ( useLogDepth ) { OE_INFO << LC << "Activating logarithmic depth buffer on main camera" << std::endl; osgEarth::Util::LogarithmicDepthBuffer logDepth; logDepth.setUseFragDepth( true ); logDepth.install( view->getCamera() ); } else if ( useLogDepth2 ) { OE_INFO << LC << "Activating logarithmic depth buffer (vertex-only) on main camera" << std::endl; osgEarth::Util::LogarithmicDepthBuffer logDepth; logDepth.setUseFragDepth( false ); logDepth.install( view->getCamera() ); } // Scan for images if necessary. if ( !imageFolder.empty() ) { std::vector<std::string> extensions; if ( !imageExtensions.empty() ) StringTokenizer( imageExtensions, extensions, ",;", "", false, true ); if ( extensions.empty() ) extensions.push_back( "tif" ); OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl; ImageLayerVector imageLayers; DataScanner scanner; scanner.findImageLayers( imageFolder, extensions, imageLayers ); if ( imageLayers.size() > 0 ) { mapNode->getMap()->beginUpdate(); for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i ) { mapNode->getMap()->addImageLayer( i->get() ); } mapNode->getMap()->endUpdate(); } OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl; } // Install elevation morphing if ( !lodBlendingConf.empty() ) { mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) ); } // Install vertical scaler if ( !vertScaleConf.empty() ) { mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) ); } // Install a contour map effect. if ( !contourMapConf.empty() ) { mapNode->getTerrainEngine()->addEffect( new ContourMap(contourMapConf) ); } // Generic named value uniform with min/max. VBox* uniformBox = 0L; while( args.find( "--uniform" ) >= 0 ) { std::string name; float minval, maxval; if ( args.read( "--uniform", name, minval, maxval ) ) { if ( uniformBox == 0L ) { uniformBox = new VBox(); uniformBox->setBackColor(0,0,0,0.5); uniformBox->setAbsorbEvents( true ); canvas->addControl( uniformBox ); } osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name); uniform->set( minval ); root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE ); HBox* box = new HBox(); box->addControl( new LabelControl(name) ); HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform))); hs->setHorizFill(true, 200); box->addControl( new LabelControl(hs) ); uniformBox->addControl( box ); OE_INFO << LC << "Installed uniform controller for " << name << std::endl; } } // Process extensions. for(std::vector<osg::ref_ptr<Extension> >::const_iterator eiter = mapNode->getExtensions().begin(); eiter != mapNode->getExtensions().end(); ++eiter) { Extension* e = eiter->get(); // Check for a View interface: ExtensionInterface<osg::View>* viewIF = ExtensionInterface<osg::View>::get( e ); if ( viewIF ) viewIF->connect( view ); // Check for a Control interface: ExtensionInterface<Control>* controlIF = ExtensionInterface<Control>::get( e ); if ( controlIF ) controlIF->connect( mainContainer ); } root->addChild( canvas ); }
void MapNodeHelper::parse(MapNode* mapNode, osg::ArgumentParser& args, osgViewer::View* view, osg::Group* root, Container* userContainer ) const { if ( !root ) root = mapNode; // options to use for the load osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions(); // parse out custom example arguments first: bool useMGRS = args.read("--mgrs"); bool useDMS = args.read("--dms"); bool useDD = args.read("--dd"); bool useCoords = args.read("--coords") || useMGRS || useDMS || useDD; bool useAutoClip = args.read("--autoclip"); bool animateSky = args.read("--animate-sky"); bool showActivity = args.read("--activity"); bool useLogDepth = args.read("--logdepth"); bool useLogDepth2 = args.read("--logdepth2"); bool kmlUI = args.read("--kmlui"); if (args.read("--verbose")) osgEarth::setNotifyLevel(osg::INFO); if (args.read("--quiet")) osgEarth::setNotifyLevel(osg::FATAL); float ambientBrightness = 0.2f; args.read("--ambientBrightness", ambientBrightness); std::string kmlFile; args.read( "--kml", kmlFile ); std::string imageFolder; args.read( "--images", imageFolder ); std::string imageExtensions; args.read("--image-extensions", imageExtensions); // animation path: std::string animpath; if ( args.read("--path", animpath) ) { view->setCameraManipulator( new osgGA::AnimationPathManipulator(animpath) ); } // Install a new Canvas for our UI controls, or use one that already exists. ControlCanvas* canvas = ControlCanvas::getOrCreate( view ); Container* mainContainer; if ( userContainer ) { mainContainer = userContainer; } else { mainContainer = new VBox(); mainContainer->setAbsorbEvents( true ); mainContainer->setBackColor( Color(Color::Black, 0.8) ); mainContainer->setHorizAlign( Control::ALIGN_LEFT ); mainContainer->setVertAlign( Control::ALIGN_BOTTOM ); } canvas->addControl( mainContainer ); // Add an event handler to toggle the canvas with a key press; view->addEventHandler(new ToggleCanvasEventHandler(canvas) ); // look for external data in the map node: const Config& externals = mapNode->externalConfig(); //const Config& screenSpaceLayoutConf = // externals.hasChild("screen_space_layout") ? externals.child("screen_space_layout") : // externals.child("decluttering"); // backwards-compatibility // some terrain effects. // TODO: Most of these are likely to move into extensions. const Config& lodBlendingConf = externals.child("lod_blending"); const Config& vertScaleConf = externals.child("vertical_scale"); // Shadowing. if (args.read("--shadows")) { int unit; if ( mapNode->getTerrainEngine()->getResources()->reserveTextureImageUnit(unit, "ShadowCaster") ) { ShadowCaster* caster = new ShadowCaster(); caster->setTextureImageUnit( unit ); caster->setLight( view->getLight() ); caster->getShadowCastingGroup()->addChild( mapNode ); if ( mapNode->getNumParents() > 0 ) { insertGroup(caster, mapNode->getParent(0)); } else { caster->addChild(mapNode); root = caster; } } } // Loading KML from the command line: if ( !kmlFile.empty() ) { KMLOptions kml_options; kml_options.declutter() = true; // set up a default icon for point placemarks: IconSymbol* defaultIcon = new IconSymbol(); defaultIcon->url()->setLiteral(KML_PUSHPIN_URL); kml_options.defaultIconSymbol() = defaultIcon; TextSymbol* defaultText = new TextSymbol(); defaultText->halo() = Stroke(0.3,0.3,0.3,1.0); kml_options.defaultTextSymbol() = defaultText; osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options ); if ( kml ) { if (kmlUI) { Control* c = AnnotationGraphControlFactory().create(kml, view); if ( c ) { c->setVertAlign( Control::ALIGN_TOP ); canvas->addControl( c ); } } root->addChild( kml ); } else { OE_NOTICE << "Failed to load " << kmlFile << std::endl; } } //// Configure the de-cluttering engine for labels and annotations: //if ( !screenSpaceLayoutConf.empty() ) //{ // ScreenSpaceLayout::setOptions( ScreenSpaceLayoutOptions(screenSpaceLayoutConf) ); //} // Configure the mouse coordinate readout: if ( useCoords ) { LabelControl* readout = new LabelControl(); readout->setBackColor( Color(Color::Black, 0.8) ); readout->setHorizAlign( Control::ALIGN_RIGHT ); readout->setVertAlign( Control::ALIGN_BOTTOM ); Formatter* formatter = useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) : useDMS ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) : useDD ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) : 0L; MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode ); mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) ); view->addEventHandler( mcTool ); canvas->addControl( readout ); } // Configure for an ortho camera: if ( args.read("--ortho") ) { view->getCamera()->setProjectionMatrixAsOrtho(-1, 1, -1, 1, 0, 1); } // activity monitor (debugging) if ( showActivity ) { VBox* vbox = new VBox(); vbox->setBackColor( Color(Color::Black, 0.8) ); vbox->setHorizAlign( Control::ALIGN_RIGHT ); vbox->setVertAlign( Control::ALIGN_BOTTOM ); view->addEventHandler( new ActivityMonitorTool(vbox) ); canvas->addControl( vbox ); } // Install an auto clip plane clamper if ( useAutoClip ) { mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) ); } // Install logarithmic depth buffer on main camera if ( useLogDepth ) { OE_INFO << LC << "Activating logarithmic depth buffer (vertex-only) on main camera" << std::endl; osgEarth::Util::LogarithmicDepthBuffer logDepth; logDepth.setUseFragDepth( false ); logDepth.install( view->getCamera() ); } else if ( useLogDepth2 ) { OE_INFO << LC << "Activating logarithmic depth buffer (precise) on main camera" << std::endl; osgEarth::Util::LogarithmicDepthBuffer logDepth; logDepth.setUseFragDepth( true ); logDepth.install( view->getCamera() ); } // Scan for images if necessary. if ( !imageFolder.empty() ) { std::vector<std::string> extensions; if ( !imageExtensions.empty() ) StringTokenizer( imageExtensions, extensions, ",;", "", false, true ); if ( extensions.empty() ) extensions.push_back( "tif" ); OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl; ImageLayerVector imageLayers; DataScanner scanner; scanner.findImageLayers( imageFolder, extensions, imageLayers ); if ( imageLayers.size() > 0 ) { mapNode->getMap()->beginUpdate(); for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i ) { mapNode->getMap()->addImageLayer( i->get() ); } mapNode->getMap()->endUpdate(); } OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl; } // Install elevation morphing if ( !lodBlendingConf.empty() ) { mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) ); } // Install vertical scaler if ( !vertScaleConf.empty() ) { mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) ); } // Install a contour map effect. if (args.read("--contourmap")) { mapNode->addExtension(Extension::create("contourmap", ConfigOptions())); // with the cmdline switch, hids all the image layer so we can see the contour map. for (unsigned i = 0; i < mapNode->getMap()->getNumImageLayers(); ++i) { mapNode->getMap()->getImageLayerAt(i)->setVisible(false); } } // Generic named value uniform with min/max. VBox* uniformBox = 0L; while( args.find( "--uniform" ) >= 0 ) { std::string name; float minval, maxval; if ( args.read( "--uniform", name, minval, maxval ) ) { if ( uniformBox == 0L ) { uniformBox = new VBox(); uniformBox->setBackColor(0,0,0,0.5); uniformBox->setAbsorbEvents( true ); canvas->addControl( uniformBox ); } osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name); uniform->set( minval ); root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE ); HBox* box = new HBox(); box->addControl( new LabelControl(name) ); HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform))); hs->setHorizFill(true, 200); box->addControl( new LabelControl(hs) ); uniformBox->addControl( box ); OE_INFO << LC << "Installed uniform controller for " << name << std::endl; } } // Map inspector: if (args.read("--inspect")) { mapNode->addExtension( Extension::create("mapinspector", ConfigOptions()) ); } // Memory monitor: if (args.read("--monitor")) { mapNode->addExtension(Extension::create("monitor", ConfigOptions()) ); } // Simple sky model: if (args.read("--sky")) { mapNode->addExtension(Extension::create("sky_simple", ConfigOptions()) ); } // Simple ocean model: if (args.read("--ocean")) { mapNode->addExtension(Extension::create("ocean_simple", ConfigOptions())); } // Hook up the extensions! for(std::vector<osg::ref_ptr<Extension> >::const_iterator eiter = mapNode->getExtensions().begin(); eiter != mapNode->getExtensions().end(); ++eiter) { Extension* e = eiter->get(); // Check for a View interface: ExtensionInterface<osg::View>* viewIF = ExtensionInterface<osg::View>::get( e ); if ( viewIF ) viewIF->connect( view ); // Check for a Control interface: ExtensionInterface<Control>* controlIF = ExtensionInterface<Control>::get( e ); if ( controlIF ) controlIF->connect( mainContainer ); } root->addChild( canvas ); }
void updateControlPanel() { // erase all child controls and just rebuild them b/c we're lazy. //Rebuild all the image layers s_imageBox->clearControls(); int row = 0; LabelControl* activeLabel = new LabelControl( "Image Layers", 20, osg::Vec4f(1,1,0,1) ); s_imageBox->setControl( 1, row++, activeLabel ); // the active map layers: MapFrame mapf( s_activeMap.get() ); ImageLayerVector imageLayers; mapf.getLayers(imageLayers); int layerNum = imageLayers.size()-1; for( ImageLayerVector::const_reverse_iterator i = imageLayers.rbegin(); i != imageLayers.rend(); ++i ) createLayerItem( s_imageBox, row++, layerNum--, imageLayers.size(), i->get(), true ); MapFrame mapf2( s_inactiveMap.get() ); imageLayers.clear(); mapf2.getLayers(imageLayers); if ( imageLayers.size() > 0 ) { LabelControl* inactiveLabel = new LabelControl( "Removed:", 18, osg::Vec4f(1,1,0,1) ); s_imageBox->setControl( 1, row++, inactiveLabel ); for( unsigned int i=0; i<imageLayers.size(); ++i ) { createLayerItem( s_imageBox, row++, -1, -1, imageLayers[i].get(), false ); } } //Rebuild the elevation layers s_elevationBox->clearControls(); row = 0; activeLabel = new LabelControl( "Elevation Layers", 20, osg::Vec4f(1,1,0,1) ); s_elevationBox->setControl( 1, row++, activeLabel ); // the active map layers: ElevationLayerVector elevationLayers; mapf.getLayers(elevationLayers); layerNum = elevationLayers.size()-1; for( ElevationLayerVector::const_reverse_iterator i = elevationLayers.rbegin(); i != elevationLayers.rend(); ++i ) createLayerItem( s_elevationBox, row++, layerNum--, elevationLayers.size(), i->get(), true ); if ( mapf2.elevationLayers().size() > 0 ) { LabelControl* inactiveLabel = new LabelControl( "Removed:", 18, osg::Vec4f(1,1,0,1) ); s_elevationBox->setControl( 1, row++, inactiveLabel ); for( unsigned int i=0; i<mapf2.elevationLayers().size(); ++i ) { createLayerItem( s_elevationBox, row++, -1, -1, mapf2.elevationLayers().at(i), false ); } } //Rebuild the model layers s_modelBox->clearControls(); row = 0; activeLabel = new LabelControl( "Model Layers", 20, osg::Vec4f(1,1,0,1) ); s_modelBox->setControl( 1, row++, activeLabel ); // the active map layers: ModelLayerVector modelLayers; mapf.getLayers(modelLayers); for( ModelLayerVector::const_reverse_iterator i = modelLayers.rbegin(); i != modelLayers.rend(); ++i ) createModelLayerItem( s_modelBox, row++, i->get(), true ); }
// Generates the main shader code for rendering the terrain. void MPTerrainEngineNode::updateState() { if ( _batchUpdateInProgress ) { _stateUpdateRequired = true; } else { if ( _elevationTextureUnit < 0 && elevationTexturesRequired() ) { getResources()->reserveTextureImageUnit( _elevationTextureUnit, "MP Engine Elevation" ); } osg::StateSet* terrainStateSet = getTerrainStateSet(); if ( !terrainStateSet ) return; // required for multipass tile rendering to work terrainStateSet->setAttributeAndModes( new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) ); // activate standard mix blending. terrainStateSet->setAttributeAndModes( new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA), osg::StateAttribute::ON ); // install shaders, if we're using them. if ( Registry::capabilities().supportsGLSL() ) { VirtualProgram* vp = new VirtualProgram(); vp->setName( "osgEarth.engine_mp.TerrainNode" ); terrainStateSet->setAttributeAndModes( vp, osg::StateAttribute::ON ); Shaders package; package.replace( "$MP_PRIMARY_UNIT", Stringify() << _primaryUnit ); package.replace( "$MP_SECONDARY_UNIT", Stringify() << (_secondaryUnit>=0?_secondaryUnit:0) ); package.define( "MP_USE_BLENDING", (_terrainOptions.enableBlending() == true) ); package.load( vp, package.EngineVertexModel ); package.load( vp, package.EngineVertexView ); package.load( vp, package.EngineFragment ); if ( this->normalTexturesRequired() ) { package.load( vp, package.NormalMapVertex ); package.load( vp, package.NormalMapFragment ); terrainStateSet->addUniform( new osg::Uniform("oe_tile_normalTex", _normalMapUnit) ); } // terrain background color; negative means use the vertex color. Color terrainColor = _terrainOptions.color().getOrUse( Color(1,1,1,-1) ); terrainStateSet->addUniform(new osg::Uniform("oe_terrain_color", terrainColor)); if ( _update_mapf ) { // assemble color filter code snippets. bool haveColorFilters = false; { // Color filter frag function: std::string fs_colorfilters = "#version " GLSL_VERSION_STR "\n" GLSL_DEFAULT_PRECISION_FLOAT "\n" "uniform int oe_layer_uid; \n" "$COLOR_FILTER_HEAD" "void oe_mp_apply_filters(inout vec4 color) \n" "{ \n" "$COLOR_FILTER_BODY" "} \n"; std::stringstream cf_head; std::stringstream cf_body; const char* I = " "; // second, install the per-layer color filter functions AND shared layer bindings. ImageLayerVector imageLayers; _update_mapf->getLayers(imageLayers); bool ifStarted = false; int numImageLayers = imageLayers.size(); for( int i=0; i<numImageLayers; ++i ) { ImageLayer* layer = imageLayers[i].get(); if ( layer->getEnabled() ) { // install Color Filter function calls: const ColorFilterChain& chain = layer->getColorFilters(); if ( chain.size() > 0 ) { haveColorFilters = true; if ( ifStarted ) cf_body << I << "else if "; else cf_body << I << "if "; cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n"; for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j ) { const ColorFilter* filter = j->get(); cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n"; cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n"; filter->install( terrainStateSet ); } cf_body << I << "}\n"; ifStarted = true; } } } if ( haveColorFilters ) { std::string cf_head_str, cf_body_str; cf_head_str = cf_head.str(); cf_body_str = cf_body.str(); replaceIn( fs_colorfilters, "$COLOR_FILTER_HEAD", cf_head_str ); replaceIn( fs_colorfilters, "$COLOR_FILTER_BODY", cf_body_str ); vp->setFunction( "oe_mp_apply_filters", fs_colorfilters, ShaderComp::LOCATION_FRAGMENT_COLORING, 0.5f ); } } } // binding for the terrain texture terrainStateSet->getOrCreateUniform( "oe_layer_tex", osg::Uniform::SAMPLER_2D )->set( _primaryUnit ); // binding for the secondary texture (for LOD blending) if ( parentTexturesRequired() ) { terrainStateSet->getOrCreateUniform( "oe_layer_tex_parent", osg::Uniform::SAMPLER_2D )->set( _secondaryUnit ); // binding for the default secondary texture matrix osg::Matrixf parent_mat; parent_mat(0,0) = 0.0f; terrainStateSet->getOrCreateUniform( "oe_layer_parent_matrix", osg::Uniform::FLOAT_MAT4 )->set( parent_mat ); } // uniform for accessing the elevation texture sampler. if ( elevationTexturesRequired() ) { terrainStateSet->getOrCreateUniform( "oe_terrain_tex", osg::Uniform::SAMPLER_2D)->set( _elevationTextureUnit ); } // uniform that controls per-layer opacity terrainStateSet->getOrCreateUniform( "oe_layer_opacity", osg::Uniform::FLOAT )->set( 1.0f ); // uniform that conveys the layer UID to the shaders; necessary // for per-layer branching (like color filters) // UID -1 => no image layer (no texture) terrainStateSet->getOrCreateUniform( "oe_layer_uid", osg::Uniform::INT )->set( -1 ); // uniform that conveys the render order, since the shaders // need to know which is the first layer in order to blend properly terrainStateSet->getOrCreateUniform( "oe_layer_order", osg::Uniform::INT )->set( 0 ); // default min/max range uniforms. (max < min means ranges are disabled) terrainStateSet->addUniform( new osg::Uniform("oe_layer_minRange", 0.0f) ); terrainStateSet->addUniform( new osg::Uniform("oe_layer_maxRange", FLT_MAX) ); terrainStateSet->addUniform( new osg::Uniform("oe_layer_attenuationRange", _terrainOptions.attentuationDistance().get()) ); terrainStateSet->getOrCreateUniform( "oe_min_tile_range_factor", osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() ); // special object ID that denotes the terrain surface. terrainStateSet->addUniform( new osg::Uniform( Registry::objectIndex()->getObjectIDUniformName().c_str(), OSGEARTH_OBJECTID_TERRAIN) ); // assign the uniforms for each shared layer. if ( _update_mapf ) { ImageLayerVector imageLayers; _update_mapf->getLayers(imageLayers); int numImageLayers = imageLayers.size(); for( int i=0; i<numImageLayers; ++i ) { ImageLayer* layer = imageLayers[i].get(); if ( layer->getEnabled() && layer->isShared() ) { terrainStateSet->addUniform( new osg::Uniform( layer->shareTexUniformName()->c_str(), layer->shareImageUnit().get() ) ); } } } } _stateUpdateRequired = false; } }
// Generates the main shader code for rendering the terrain. void RexTerrainEngineNode::updateState() { if ( _batchUpdateInProgress ) { _stateUpdateRequired = true; } else { osg::StateSet* terrainStateSet = _terrain->getOrCreateStateSet(); // everything osg::StateSet* surfaceStateSet = getSurfaceStateSet(); // just the surface //terrainStateSet->setRenderBinDetails(0, "SORT_FRONT_TO_BACK"); // required for multipass tile rendering to work surfaceStateSet->setAttributeAndModes( new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) ); surfaceStateSet->setAttributeAndModes( new osg::CullFace(), osg::StateAttribute::ON); // activate standard mix blending. terrainStateSet->setAttributeAndModes( new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA), osg::StateAttribute::ON ); // install patch param if we are tessellation on the GPU. if ( _terrainOptions.gpuTessellation() == true ) { #ifdef HAVE_PATCH_PARAMETER terrainStateSet->setAttributeAndModes( new osg::PatchParameter(3) ); #endif } // install shaders, if we're using them. if ( Registry::capabilities().supportsGLSL() ) { Shaders package; VirtualProgram* terrainVP = VirtualProgram::getOrCreate(terrainStateSet); terrainVP->setName( "Rex Terrain" ); package.load(terrainVP, package.ENGINE_VERT_MODEL); surfaceStateSet->addUniform(new osg::Uniform("oe_terrain_color", _terrainOptions.color().get())); if (_terrainOptions.enableBlending() == true) { surfaceStateSet->setDefine("OE_TERRAIN_BLEND_IMAGERY"); } // Funtions that affect only the terrain surface: VirtualProgram* surfaceVP = VirtualProgram::getOrCreate(surfaceStateSet); surfaceVP->setName("Rex Surface"); // Functions that affect the terrain surface only: package.load(surfaceVP, package.ENGINE_VERT_VIEW); package.load(surfaceVP, package.ENGINE_FRAG); // Elevation? if (this->elevationTexturesRequired()) { surfaceStateSet->setDefine("OE_TERRAIN_RENDER_ELEVATION"); } // Normal mapping shaders: if ( this->normalTexturesRequired() ) { package.load(surfaceVP, package.NORMAL_MAP_VERT); package.load(surfaceVP, package.NORMAL_MAP_FRAG); surfaceStateSet->setDefine("OE_TERRAIN_RENDER_NORMAL_MAP"); } // Morphing? if (_terrainOptions.morphTerrain() == true || _terrainOptions.morphImagery() == true) { package.load(surfaceVP, package.MORPHING_VERT); if (_terrainOptions.morphImagery() == true) { surfaceStateSet->setDefine("OE_TERRAIN_MORPH_IMAGERY"); } if (_terrainOptions.morphTerrain() == true) { surfaceStateSet->setDefine("OE_TERRAIN_MORPH_GEOMETRY"); } } // assemble color filter code snippets. bool haveColorFilters = false; { // Color filter frag function: std::string fs_colorfilters = "#version " GLSL_VERSION_STR "\n" GLSL_DEFAULT_PRECISION_FLOAT "\n" "uniform int oe_layer_uid; \n" "$COLOR_FILTER_HEAD" "void oe_rexEngine_applyFilters(inout vec4 color) \n" "{ \n" "$COLOR_FILTER_BODY" "} \n"; std::stringstream cf_head; std::stringstream cf_body; const char* I = " "; // second, install the per-layer color filter functions AND shared layer bindings. bool ifStarted = false; ImageLayerVector imageLayers; _update_mapf->getLayers(imageLayers); for( int i=0; i<imageLayers.size(); ++i ) { ImageLayer* layer = imageLayers.at(i); if ( layer->getEnabled() ) { // install Color Filter function calls: const ColorFilterChain& chain = layer->getColorFilters(); if ( chain.size() > 0 ) { haveColorFilters = true; if ( ifStarted ) cf_body << I << "else if "; else cf_body << I << "if "; cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n"; for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j ) { const ColorFilter* filter = j->get(); cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n"; cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n"; filter->install( surfaceStateSet ); } cf_body << I << "}\n"; ifStarted = true; } } } if ( haveColorFilters ) { std::string cf_head_str, cf_body_str; cf_head_str = cf_head.str(); cf_body_str = cf_body.str(); replaceIn( fs_colorfilters, "$COLOR_FILTER_HEAD", cf_head_str ); replaceIn( fs_colorfilters, "$COLOR_FILTER_BODY", cf_body_str ); surfaceVP->setFunction( "oe_rexEngine_applyFilters", fs_colorfilters, ShaderComp::LOCATION_FRAGMENT_COLORING, 0.6 ); } } // Apply uniforms for sampler bindings: OE_DEBUG << LC << "Render Bindings:\n"; osg::ref_ptr<osg::Texture> tex = new osg::Texture2D(ImageUtils::createEmptyImage(1,1)); for (unsigned i = 0; i < _renderBindings.size(); ++i) { SamplerBinding& b = _renderBindings[i]; if (b.isActive()) { osg::Uniform* u = new osg::Uniform(b.samplerName().c_str(), b.unit()); terrainStateSet->addUniform( u ); OE_DEBUG << LC << " > Bound \"" << b.samplerName() << "\" to unit " << b.unit() << "\n"; terrainStateSet->setTextureAttribute(b.unit(), tex.get()); } } // uniform that controls per-layer opacity terrainStateSet->addUniform( new osg::Uniform("oe_layer_opacity", 1.0f) ); // uniform that conveys the layer UID to the shaders; necessary // for per-layer branching (like color filters) // UID -1 => no image layer (no texture) terrainStateSet->addUniform( new osg::Uniform("oe_layer_uid", (int)-1 ) ); // uniform that conveys the render order, since the shaders // need to know which is the first layer in order to blend properly terrainStateSet->addUniform( new osg::Uniform("oe_layer_order", (int)0) ); // default min/max range uniforms. (max < min means ranges are disabled) terrainStateSet->addUniform( new osg::Uniform("oe_layer_minRange", 0.0f) ); terrainStateSet->addUniform( new osg::Uniform("oe_layer_maxRange", -1.0f) ); terrainStateSet->addUniform( new osg::Uniform("oe_layer_attenuationRange", _terrainOptions.attentuationDistance().get()) ); terrainStateSet->getOrCreateUniform( "oe_min_tile_range_factor", osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() ); terrainStateSet->addUniform(new osg::Uniform("oe_tile_size", (float)_terrainOptions.tileSize().get())); // special object ID that denotes the terrain surface. surfaceStateSet->addUniform( new osg::Uniform( Registry::objectIndex()->getObjectIDUniformName().c_str(), OSGEARTH_OBJECTID_TERRAIN) ); } _stateUpdateRequired = false; } }
void RexTerrainEngineNode::addTileLayer(Layer* tileLayer) { if ( tileLayer && tileLayer->getEnabled() ) { ImageLayer* imageLayer = dynamic_cast<ImageLayer*>(tileLayer); if (imageLayer) { // for a shared layer, allocate a shared image unit if necessary. if ( imageLayer->isShared() ) { if (!imageLayer->shareImageUnit().isSet()) { int temp; if ( getResources()->reserveTextureImageUnit(temp, imageLayer->getName().c_str()) ) { imageLayer->shareImageUnit() = temp; //OE_INFO << LC << "Image unit " << temp << " assigned to shared layer " << imageLayer->getName() << std::endl; } else { OE_WARN << LC << "Insufficient GPU image units to share layer " << imageLayer->getName() << std::endl; } } // Build a sampler binding for the shared layer. if ( imageLayer->shareImageUnit().isSet() ) { // Find the next empty SHARED slot: unsigned newIndex = SamplerBinding::SHARED; while (_renderBindings[newIndex].isActive()) ++newIndex; // Put the new binding there: SamplerBinding& newBinding = _renderBindings[newIndex]; newBinding.usage() = SamplerBinding::SHARED; newBinding.sourceUID() = imageLayer->getUID(); newBinding.unit() = imageLayer->shareImageUnit().get(); newBinding.samplerName() = imageLayer->shareTexUniformName().get(); newBinding.matrixName() = imageLayer->shareTexMatUniformName().get(); OE_INFO << LC << "Shared Layer \"" << imageLayer->getName() << "\" : sampler=\"" << newBinding.samplerName() << "\", " << "matrix=\"" << newBinding.matrixName() << "\", " << "unit=" << newBinding.unit() << "\n"; } } } else { // non-image tile layer. Keep track of these.. } if (_terrain) { // Update the existing render models, and trigger a data reload. // Later we can limit the reload to an update of only the new data. UpdateRenderModels updateModels(_mapFrame); #if 0 // This uses the loaddata filter approach which will only request // data for one layer. It mostly works but not 100%; see hires-insets // as an example. Removing the world layer and re-adding it while // zoomed in doesn't result in all tiles reloading. Possibly a // synchronization issue. ImageLayerVector imageLayers; _mapFrame.getLayers(imageLayers); if (imageLayers.size() == 1) updateModels.setReloadData(true); else updateModels.layersToLoad().insert(tileLayer->getUID()); #else updateModels.setReloadData(true); #endif _terrain->accept(updateModels); } } }