C++ ControlCanvas::setNodeMask方法代码示例

int
main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);
    osg::DisplaySettings::instance()->setMinimumNumStencilBits( 8 );

    osgViewer::Viewer viewer(arguments);

    // load the .earth file from the command line.
    osg::Node* earthNode = MapNodeHelper().load( arguments, &viewer );
    if (!earthNode)
    {
        OE_NOTICE << "Unable to load earth model." << std::endl;
        return 1;
    }

    MapNode* mapNode = MapNode::findMapNode( earthNode );
    if ( !mapNode )
    {
        OE_NOTICE << "Input file was not a .earth file" << std::endl;
        return 1;
    }

    earthNode->setNodeMask( 0x1 );
    
    osgEarth::Util::EarthManipulator* earthManip = new EarthManipulator();
    viewer.setCameraManipulator( earthManip );

    osg::Group* root = new osg::Group();
    root->addChild( earthNode );

    //Create the MeasureToolHandler
    MeasureToolHandler* measureTool = new MeasureToolHandler(root, mapNode);    
    measureTool->setIntersectionMask( 0x1 );
    viewer.addEventHandler( measureTool );

    //Create some controls to interact with the measuretool
    ControlCanvas* canvas = new ControlCanvas( &viewer );
    root->addChild( canvas );
    canvas->setNodeMask( 0x1 << 1 );

    Grid* grid = new Grid();
    grid->setBackColor(0,0,0,0.5);
    grid->setMargin( 10 );
    grid->setPadding( 10 );
    grid->setChildSpacing( 10 );
    grid->setChildVertAlign( Control::ALIGN_CENTER );
    grid->setAbsorbEvents( true );
    grid->setVertAlign( Control::ALIGN_BOTTOM );    

    canvas->addControl( grid );

    //Add a label to display the distance
    // Add a text label:
    grid->setControl( 0, 0, new LabelControl("Distance:") );
    LabelControl* label = new LabelControl();
    label->setFont( osgEarth::Registry::instance()->getDefaultFont() );
    label->setFontSize( 24.0f );
    label->setHorizAlign( Control::ALIGN_LEFT );    
    label->setText("click to measure");
    grid->setControl( 1, 0, label );

    //Add a callback to update the label when the distance changes
    measureTool->addEventHandler( new MyMeasureToolCallback(label) );
    
    Style style = measureTool->getLineStyle();
    style.getOrCreate<LineSymbol>()->stroke()->color() = Color::Red;
    style.getOrCreate<LineSymbol>()->stroke()->width() = 4.0f;
    measureTool->setLineStyle(style);

    //Add a checkbox to control if we are doing path based measurement or just point to point
    grid->setControl( 0, 1, new LabelControl("Path"));
    CheckBoxControl* checkBox = new CheckBoxControl(false);
    checkBox->setHorizAlign(Control::ALIGN_LEFT);
    checkBox->addEventHandler( new TogglePathHandler(measureTool));
    grid->setControl( 1, 1, checkBox);

    //Add a toggle to set the mode of the measuring tool
    grid->setControl( 0, 2, new LabelControl("Great Circle"));
    CheckBoxControl* mode = new CheckBoxControl(true);
    mode->setHorizAlign(Control::ALIGN_LEFT);
    mode->addEventHandler( new ToggleModeHandler(measureTool));
    grid->setControl( 1, 2, mode);

    //Add a mouse coords readout:
    LabelControl* mouseLabel = new LabelControl();
    grid->setControl( 0, 3, new LabelControl("Mouse:"));
    grid->setControl( 1, 3, mouseLabel );
    viewer.addEventHandler(new MouseCoordsTool(mapNode, mouseLabel) );

    viewer.setSceneData( root );

    // add some stock OSG handlers:
    viewer.addEventHandler(new osgViewer::StatsHandler());
    viewer.addEventHandler(new osgViewer::WindowSizeHandler());
    viewer.addEventHandler(new osgViewer::ThreadingHandler());
    viewer.addEventHandler(new osgViewer::LODScaleHandler());
    viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
    viewer.addEventHandler(new osgViewer::HelpHandler(arguments.getApplicationUsage()));

//.........这里部分代码省略.........

//
// NOTE: run this sample from the repo/tests directory.
//
int main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);

    osgViewer::Viewer viewer(arguments);
    s_viewer = &viewer;

    // Start by creating the map:
    s_mapNode = MapNode::load(arguments);
    if ( !s_mapNode )
    {
        Map* map = new Map();

        // Start with a basemap imagery layer; we'll be using the GDAL driver
        // to load a local GeoTIFF file:
        GDALOptions basemapOpt;
        basemapOpt.url() = "../data/world.tif";
        map->addImageLayer( new ImageLayer( ImageLayerOptions("basemap", basemapOpt) ) );

        // That's it, the map is ready; now create a MapNode to render the Map:
        MapNodeOptions mapNodeOptions;
        mapNodeOptions.enableLighting() = false;

        s_mapNode = new MapNode( map, mapNodeOptions );
    }
    s_mapNode->setNodeMask( 0x01 );

        
    // Define a style for the feature data. Since we are going to render the
    // vectors as lines, configure the line symbolizer:
    StyleSheet* styleSheet = buildStyleSheet( Color::Yellow, 2.0f );

    s_source = new FeatureListSource();

    LineString* line = new LineString();
    line->push_back( osg::Vec3d(-60, 20, 0) );
    line->push_back( osg::Vec3d(-120, 20, 0) );
    line->push_back( osg::Vec3d(-120, 60, 0) );
    line->push_back( osg::Vec3d(-60, 60, 0) );
    Feature *feature = new Feature(line, s_mapNode->getMapSRS(), Style(), s_fid++);
    s_source->insertFeature( feature );
    s_activeFeature = feature;
  
    s_root = new osg::Group;
    s_root->addChild( s_mapNode.get() );

    Session* session = new Session(s_mapNode->getMap(), styleSheet, s_source.get());

    FeatureModelGraph* graph = new FeatureModelGraph( 
        session,
        FeatureModelSourceOptions(), 
        new GeomFeatureNodeFactory() );

    graph->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
    graph->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);

    s_root->addChild( graph );

    //Setup the controls
    ControlCanvas* canvas = ControlCanvas::get( &viewer );
    s_root->addChild( canvas );
    Grid *toolbar = createToolBar( );
    canvas->addControl( toolbar );
    canvas->setNodeMask( 0x1 << 1 );



    int col = 0;
    LabelControl* addVerts = new LabelControl("Add Verts");
    toolbar->setControl(col++, 0, addVerts );    
    addVerts->addEventHandler( new AddVertsModeHandler( graph ));
    
    LabelControl* edit = new LabelControl("Edit");
    toolbar->setControl(col++, 0, edit );    
    edit->addEventHandler(new EditModeHandler( graph ));

    unsigned int row = 0;
    Grid *styleBar = createToolBar( );
    styleBar->setPosition(0, 50);
    canvas->addControl( styleBar );
    
    //Make a list of styles
    styleBar->setControl(0, row++, new LabelControl("Styles") );    

    unsigned int numStyles = 8;
    for (unsigned int i = 0; i < numStyles; ++i)
    {
        float w = 50;
        osg::Vec4 color = randomColor();

        float widths[3] = {2, 4, 8};

        unsigned int r = row++;
        for (unsigned int j = 0; j < 3; j++) 
        {
            Control* l = new Control();            
            l->setBackColor( color );
//.........这里部分代码省略.........

//
// NOTE: run this sample from the repo/tests directory.
//
int main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);

    osgViewer::Viewer viewer(arguments);
    s_viewer = &viewer;

    // Start by creating the map:
    s_mapNode = MapNode::load(arguments);
    if ( !s_mapNode )
    {
        Map* map = new Map();

        // Start with a basemap imagery layer; we'll be using the GDAL driver
        // to load a local GeoTIFF file:
        GDALOptions basemapOpt;
        basemapOpt.url() = "../data/world.tif";
        map->addImageLayer( new ImageLayer( ImageLayerOptions("basemap", basemapOpt) ) );

        // That's it, the map is ready; now create a MapNode to render the Map:
        MapNodeOptions mapNodeOptions;
        mapNodeOptions.enableLighting() = false;

        s_mapNode = new MapNode( map, mapNodeOptions );
    }
    s_mapNode->setNodeMask( 0x01 );    

        
    // Define a style for the feature data.
    Style style = buildStyle( Color::Yellow, 2.0f );    

    //LineString* line = new LineString();    
    Geometry* geom = GeometryUtils::geometryFromWKT("POLYGON((191.026667 87.63333,114.75 78,89.5 77.333336,81.833336 75.333336,70.683334 74.5,70.916664 73.666664,68.666664 73.666664,66.291664 71.505,57.65 71.166664,58 73.9,48.616665 73,49.198334 71.43,49.5 70.5,43.266666 68.666664,32.083332 71.5,32.083332 74,35 74,35 81,32 81,32 90,191.026667 87.63333))");
    OE_NOTICE << "Geometry " << GeometryUtils::geometryToWKT(geom) << std::endl;
    Feature* feature = new Feature(geom, s_mapNode->getMapSRS(), Style(), s_fid++);
    s_featureNode = new FeatureNode( s_mapNode, feature );    
    s_featureNode->setStyle( style );
    
    s_editorsRoot = new osg::Group;

    s_root = new osg::Group;
    s_root->addChild( s_mapNode.get() );
    s_root->addChild( s_featureNode.get() );
    s_root->addChild( s_editorsRoot.get() );


    //Setup the controls
    ControlCanvas* canvas = ControlCanvas::getOrCreate( &viewer );
    s_root->addChild( canvas );
    Grid *toolbar = createToolBar( );
    canvas->addControl( toolbar );
    canvas->setNodeMask( 0x1 << 1 );

    int col = 0;
    LabelControl* addVerts = new LabelControl("Add Verts");
    toolbar->setControl(col++, 0, addVerts );    
    addVerts->addEventHandler( new AddVertsModeHandler());
    
    LabelControl* edit = new LabelControl("Edit");
    toolbar->setControl(col++, 0, edit );    
    edit->addEventHandler(new EditModeHandler());

    unsigned int row = 0;
    Grid *styleBar = createToolBar( );
    styleBar->setPosition(0, 50);
    canvas->addControl( styleBar );
    
    //Make a list of styles
    styleBar->setControl(0, row++, new LabelControl("Styles") );    

    unsigned int numStyles = 8;
    for (unsigned int i = 0; i < numStyles; ++i)
    {
        float w = 50;
        osg::Vec4 color = randomColor();

        float widths[3] = {2, 4, 8};

        unsigned int r = row++;
        for (unsigned int j = 0; j < 3; j++) 
        {
            Control* l = new Control();            
            l->setBackColor( color );
            l->addEventHandler(new ChangeStyleHandler(buildStyle( color, widths[j] ) ));
            l->setSize(w,5 * widths[j]);
            styleBar->setControl(j, r, l);
        }
    }
   
    
    viewer.setSceneData( s_root.get() );
    viewer.setCameraManipulator( new EarthManipulator() );

    if ( s_mapNode )
        viewer.getCamera()->addCullCallback( new osgEarth::Util::AutoClipPlaneCullCallback(s_mapNode) );

    // add some stock OSG handlers:
//.........这里部分代码省略.........