int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
osg::DisplaySettings::instance()->setMinimumNumStencilBits( 8 );
std::vector< std::string > imageFiles;
std::vector< Bounds > imageBounds;
//Read in the image files
std::string filename;
Bounds bounds;
while (arguments.read("--image", filename, bounds.xMin(), bounds.yMin(), bounds.xMax(), bounds.yMax()))
{
imageFiles.push_back( filename );
imageBounds.push_back( bounds );
}
if (imageFiles.empty())
{
imageFiles.push_back("../data/osgearth.gif");
imageBounds.push_back( Bounds(-100, 30, -90, 40) );
}
bool moveVert = arguments.read("--vert");
// load the .earth file from the command line.
osg::Node* earthNode = osgDB::readNodeFiles( arguments );
if (!earthNode)
return usage( "Unable to load earth model." );
osgViewer::Viewer viewer(arguments);
EarthManipulator* manip = new EarthManipulator();
viewer.setCameraManipulator( manip );
osg::Group* root = new osg::Group();
root->addChild( earthNode );
//Create the control panel
root->addChild( createControlPanel(&viewer) );
viewer.setSceneData( root );
osgEarth::MapNode* mapNode = osgEarth::MapNode::findMapNode( earthNode );
if ( mapNode )
{
for (unsigned int i = 0; i < imageFiles.size(); i++)
{
std::string imageFile = imageFiles[i];
//Read the image file and play it if it's a movie
osg::Image* image = osgDB::readImageFile(imageFile);
if (image)
{
osg::ImageStream* is = dynamic_cast<osg::ImageStream*>(image);
if (is)
{
is->play();
}
}
//Create a new ImageOverlay and set it's bounds
//ImageOverlay* overlay = new ImageOverlay(mapNode->getMap()->getProfile()->getSRS()->getEllipsoid(), image);
ImageOverlay* overlay = new ImageOverlay(mapNode);
overlay->setImage( image );
overlay->setBounds(imageBounds[i]);
root->addChild( overlay );
//Create a new ImageOverlayEditor and set it's node mask to 0 to hide it initially
#if OSG_MIN_VERSION_REQUIRED(2,9,6)
osg::Node* editor = new ImageOverlayEditor( overlay);
#else
//Just make an empty group for pre-2.9.6
osg::Node* editor = new osg::Group;
#endif
editor->setNodeMask( 0 );
root->addChild( editor );
// Add an image preview
ImageControl* imageCon = new ImageControl( image );
imageCon->setSize( 64, 64 );
imageCon->setVertAlign( Control::ALIGN_CENTER );
s_layerBox->setControl( 0, i, imageCon );
//Add some controls
CheckBoxControl* enabled = new CheckBoxControl( true );
enabled->addEventHandler( new EnabledHandler(overlay) );
enabled->setVertAlign( Control::ALIGN_CENTER );
s_layerBox->setControl( 1, i, enabled );
//The overlay name
LabelControl* name = new LabelControl( osgDB::getSimpleFileName( imageFile) );
name->setVertAlign( Control::ALIGN_CENTER );
s_layerBox->setControl( 2, i, name );
// an opacity slider
HSliderControl* opacity = new HSliderControl( 0.0f, 1.0f, overlay->getAlpha() );
opacity->setWidth( 125 );
opacity->setHeight( 12 );
opacity->setVertAlign( Control::ALIGN_CENTER );
opacity->addEventHandler( new OpacityHandler(overlay) );
s_layerBox->setControl( 3, i, opacity );
// Add a text label:
LabelControl* edit = new LabelControl( "Edit" );
edit->setVertAlign( Control::ALIGN_CENTER );
edit->addEventHandler(new EditHandler(overlay, &viewer, editor));
s_layerBox->setControl(4, i, edit );
}
}
// osgEarth benefits from pre-compilation of GL objects in the pager. In newer versions of
// OSG, this activates OSG's IncrementalCompileOpeartion in order to avoid frame breaks.
viewer.getDatabasePager()->setDoPreCompile( true );
// add some stock OSG handlers:
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgViewer::LODScaleHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
viewer.addEventHandler(new osgViewer::HelpHandler(arguments.getApplicationUsage()));
return viewer.run();
}
int
main(int argc, char** argv)
{
osg::Group* root = new osg::Group();
// try to load an earth file.
osg::ArgumentParser arguments(&argc,argv);
osgViewer::Viewer viewer(arguments);
viewer.setCameraManipulator( new EarthManipulator() );
// load an earth file and parse demo arguments
osg::Node* node = MapNodeHelper().load(arguments, &viewer);
if ( !node )
return usage(argv);
root->addChild( node );
// find the map node that we loaded.
MapNode* mapNode = MapNode::findMapNode(node);
if ( !mapNode )
return usage(argv);
// Group to hold all our annotation elements.
osg::Group* annoGroup = new osg::Group();
root->addChild( annoGroup );
//A group for all the editors
osg::Group* editorGroup = new osg::Group;
root->addChild( editorGroup );
editorGroup->setNodeMask( 0 );
HBox* box = ControlCanvas::getOrCreate(&viewer)->addControl( new HBox() );
box->setChildSpacing( 5 );
//Add a toggle button to toggle editing
CheckBoxControl* editCheckbox = new CheckBoxControl( false );
editCheckbox->addEventHandler( new ToggleNodeHandler( editorGroup ) );
box->addControl( editCheckbox );
LabelControl* labelControl = new LabelControl( "Edit Annotations" );
labelControl->setFontSize( 24.0f );
box->addControl( labelControl );
// Make a group for 2D items, and activate the decluttering engine. Decluttering
// will migitate overlap between elements that occupy the same screen real estate.
osg::Group* labelGroup = new osg::Group();
Decluttering::setEnabled( labelGroup->getOrCreateStateSet(), true );
annoGroup->addChild( labelGroup );
// Style our labels:
Style labelStyle;
labelStyle.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
labelStyle.getOrCreate<TextSymbol>()->fill()->color() = Color::Yellow;
// A lat/long SRS for specifying points.
const SpatialReference* geoSRS = mapNode->getMapSRS()->getGeographicSRS();
//--------------------------------------------------------------------
// A series of place nodes (an icon with a text label)
{
Style pin;
pin.getOrCreate<IconSymbol>()->url()->setLiteral( "../data/placemark32.png" );
// bunch of pins:
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -74.00, 40.71), "New York" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -77.04, 38.85), "Washington, DC", pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-118.40, 33.93), "Los Angeles" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -71.03, 42.37), "Boston" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-157.93, 21.35), "Honolulu" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, 139.75, 35.68), "Tokyo" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -90.25, 29.98), "New Orleans" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -80.28, 25.82), "Miami" , pin));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-117.17, 32.72), "San Diego" , pin));
// test with an LOD:
osg::LOD* lod = new osg::LOD();
lod->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, 14.68, 50.0), "Prague", pin), 0.0, 1e6);
labelGroup->addChild( lod );
// absolute altitude:
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -87.65, 41.90, 1000, ALTMODE_ABSOLUTE), "Chicago" , pin));
}
//--------------------------------------------------------------------
// a box that follows lines of latitude (rhumb line interpolation, the default)
{
Geometry* geom = new Polygon();
geom->push_back( osg::Vec3d(0, 40, 0) );
geom->push_back( osg::Vec3d(-60, 40, 0) );
geom->push_back( osg::Vec3d(-60, 60, 0) );
geom->push_back( osg::Vec3d(0, 60, 0) );
Style geomStyle;
geomStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Cyan;
geomStyle.getOrCreate<LineSymbol>()->stroke()->width() = 5.0f;
geomStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
geomStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
FeatureNode* gnode = new FeatureNode(mapNode, new Feature(geom, geoSRS, geomStyle));
annoGroup->addChild( gnode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS,-30, 50), "Rhumb line polygon", labelStyle) );
}
//--------------------------------------------------------------------
// another rhumb box that crosses the antimeridian
{
Geometry* geom = new Polygon();
geom->push_back( -160., -30. );
geom->push_back( 150., -20. );
geom->push_back( 160., -45. );
geom->push_back( -150., -40. );
Style geomStyle;
geomStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Lime;
geomStyle.getOrCreate<LineSymbol>()->stroke()->width() = 3.0f;
geomStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
geomStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
FeatureNode* gnode = new FeatureNode(mapNode, new Feature(geom, geoSRS, geomStyle));
annoGroup->addChild( gnode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS, -175, -35), "Antimeridian polygon", labelStyle) );
}
//--------------------------------------------------------------------
// A path using great-circle interpolation.
{
Geometry* path = new LineString();
path->push_back( osg::Vec3d(-74, 40.714, 0) ); // New York
path->push_back( osg::Vec3d(139.75, 35.68, 0) ); // Tokyo
Style pathStyle;
pathStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Red;
pathStyle.getOrCreate<LineSymbol>()->stroke()->width() = 3.0f;
pathStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
pathStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
Feature* pathFeature = new Feature(path, geoSRS, pathStyle);
pathFeature->geoInterp() = GEOINTERP_GREAT_CIRCLE;
//OE_INFO << "Path extent = " << pathFeature->getExtent().toString() << std::endl;
FeatureNode* pathNode = new FeatureNode(mapNode, pathFeature);
annoGroup->addChild( pathNode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS,-170, 61.2), "Great circle path", labelStyle) );
}
//--------------------------------------------------------------------
// Two circle segments around New Orleans.
{
Style circleStyle;
circleStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Cyan, 0.5);
circleStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
circleStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
CircleNode* circle = new CircleNode(
mapNode,
GeoPoint(geoSRS, -90.25, 29.98, 1000., ALTMODE_RELATIVE),
Distance(300, Units::KILOMETERS),
circleStyle, Angle(-45.0, Units::DEGREES), Angle(45.0, Units::DEGREES), true);
annoGroup->addChild( circle );
editorGroup->addChild( new CircleNodeEditor( circle ) );
}
{
Style circleStyle;
circleStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Red, 0.5);
circleStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
circleStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
CircleNode* circle = new CircleNode(
mapNode,
GeoPoint(geoSRS, -90.25, 29.98, 1000., ALTMODE_RELATIVE),
Distance(300, Units::KILOMETERS),
circleStyle, Angle(45.0, Units::DEGREES), Angle(360.0 - 45.0, Units::DEGREES), true);
annoGroup->addChild( circle );
editorGroup->addChild( new CircleNodeEditor( circle ) );
}
//--------------------------------------------------------------------
// An extruded ellipse around Miami.
{
Style ellipseStyle;
ellipseStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Orange, 0.75);
ellipseStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
EllipseNode* ellipse = new EllipseNode(
mapNode,
GeoPoint(geoSRS, -80.28, 25.82, 0.0, ALTMODE_RELATIVE),
Distance(250, Units::MILES),
Distance(100, Units::MILES),
Angle (0, Units::DEGREES),
ellipseStyle,
Angle(45.0, Units::DEGREES),
Angle(360.0 - 45.0, Units::DEGREES),
true);
annoGroup->addChild( ellipse );
editorGroup->addChild( new EllipseNodeEditor( ellipse ) );
}
{
Style ellipseStyle;
ellipseStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Blue, 0.75);
ellipseStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
EllipseNode* ellipse = new EllipseNode(
mapNode,
GeoPoint(geoSRS, -80.28, 25.82, 0.0, ALTMODE_RELATIVE),
Distance(250, Units::MILES),
Distance(100, Units::MILES),
Angle (0, Units::DEGREES),
ellipseStyle,
Angle(-40.0, Units::DEGREES),
Angle(40.0, Units::DEGREES),
true);
annoGroup->addChild( ellipse );
editorGroup->addChild( new EllipseNodeEditor( ellipse ) );
}
//--------------------------------------------------------------------
{
// A rectangle around San Diego
Style rectStyle;
rectStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Green, 0.5);
rectStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
rectStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
RectangleNode* rect = new RectangleNode(
mapNode,
GeoPoint(geoSRS, -117.172, 32.721),
Distance(300, Units::KILOMETERS ),
Distance(600, Units::KILOMETERS ),
rectStyle);
annoGroup->addChild( rect );
editorGroup->addChild( new RectangleNodeEditor( rect ) );
}
//--------------------------------------------------------------------
// An extruded polygon roughly the shape of Utah. Here we demonstrate the
// FeatureNode, where you create a geographic geometry and use it as an
// annotation.
{
Geometry* utah = new Polygon();
utah->push_back( -114.052, 37.0 );
utah->push_back( -109.054, 37.0 );
utah->push_back( -109.054, 41.0 );
utah->push_back( -111.040, 41.0 );
utah->push_back( -111.080, 42.059 );
utah->push_back( -114.080, 42.024 );
Style utahStyle;
utahStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
utahStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::White, 0.8);
Feature* utahFeature = new Feature(utah, geoSRS, utahStyle);
FeatureNode* featureNode = new FeatureNode(mapNode, utahFeature);
annoGroup->addChild( featureNode );
}
//--------------------------------------------------------------------
// an image overlay.
{
ImageOverlay* imageOverlay = 0L;
osg::Image* image = osgDB::readImageFile( "../data/USFLAG.TGA" );
if ( image )
{
imageOverlay = new ImageOverlay(mapNode, image);
imageOverlay->setBounds( Bounds( -100.0, 35.0, -90.0, 40.0) );
annoGroup->addChild( imageOverlay );
editorGroup->addChild( new ImageOverlayEditor( imageOverlay ) );
}
}
//--------------------------------------------------------------------
// install decoration. These change the appearance of an Annotation
// based on some user action.
// highlight annotation upon hover by default:
DecorationInstaller highlightInstaller("hover", new HighlightDecoration());
annoGroup->accept( highlightInstaller );
// scale labels when hovering:
DecorationInstaller scaleInstaller("hover", new ScaleDecoration(1.1f));
labelGroup->accept( scaleInstaller );
// install an event handler for picking and hovering.
AnnotationEventCallback* cb = new AnnotationEventCallback();
cb->addHandler( new MyAnnoEventHandler() );
annoGroup->addEventCallback( cb );
//--------------------------------------------------------------------
// initialize the viewer:
viewer.setSceneData( root );
viewer.getCamera()->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
return viewer.run();
}
int
main(int argc, char** argv)
{
osg::Group* root = new osg::Group();
// try to load an earth file.
osg::ArgumentParser arguments(&argc,argv);
osgViewer::Viewer viewer(arguments);
viewer.setCameraManipulator( new EarthManipulator() );
// load an earth file and parse demo arguments
osg::Node* node = MapNodeHelper().load(arguments, &viewer);
if ( !node )
return usage(argv);
root->addChild( node );
// find the map node that we loaded.
MapNode* mapNode = MapNode::findMapNode(node);
if ( !mapNode )
return usage(argv);
// Group to hold all our annotation elements.
osg::Group* annoGroup = new osg::Group();
root->addChild( annoGroup );
// Make a group for labels
osg::Group* labelGroup = new osg::Group();
annoGroup->addChild( labelGroup );
osg::Group* editGroup = new osg::Group();
root->addChild( editGroup );
// Style our labels:
Style labelStyle;
labelStyle.getOrCreate<TextSymbol>()->alignment() = TextSymbol::ALIGN_CENTER_CENTER;
labelStyle.getOrCreate<TextSymbol>()->fill()->color() = Color::Yellow;
// A lat/long SRS for specifying points.
const SpatialReference* geoSRS = mapNode->getMapSRS()->getGeographicSRS();
//--------------------------------------------------------------------
// A series of place nodes (an icon with a text label)
{
Style pm;
pm.getOrCreate<IconSymbol>()->url()->setLiteral( "../data/placemark32.png" );
pm.getOrCreate<IconSymbol>()->declutter() = true;
pm.getOrCreate<TextSymbol>()->halo() = Color("#5f5f5f");
// bunch of pins:
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -74.00, 40.71), "New York" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -77.04, 38.85), "Washington, DC", pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-118.40, 33.93), "Los Angeles" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -71.03, 42.37), "Boston" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-157.93, 21.35), "Honolulu" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, 139.75, 35.68), "Tokyo" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -90.25, 29.98), "New Orleans" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -80.28, 25.82), "Miami" , pm));
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS,-117.17, 32.72), "San Diego" , pm));
// test with an LOD:
osg::LOD* lod = new osg::LOD();
lod->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, 14.68, 50.0), "Prague", pm), 0.0, 2e6);
labelGroup->addChild( lod );
// absolute altitude:
labelGroup->addChild( new PlaceNode(mapNode, GeoPoint(geoSRS, -87.65, 41.90, 1000, ALTMODE_ABSOLUTE), "Chicago", pm));
}
//--------------------------------------------------------------------
// a box that follows lines of latitude (rhumb line interpolation, the default)
{
Geometry* geom = new Polygon();
geom->push_back( osg::Vec3d(0, 40, 0) );
geom->push_back( osg::Vec3d(-60, 40, 0) );
geom->push_back( osg::Vec3d(-60, 60, 0) );
geom->push_back( osg::Vec3d(0, 60, 0) );
Feature* feature = new Feature(geom, geoSRS);
feature->geoInterp() = GEOINTERP_RHUMB_LINE;
Style geomStyle;
geomStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Cyan;
geomStyle.getOrCreate<LineSymbol>()->stroke()->width() = 5.0f;
geomStyle.getOrCreate<LineSymbol>()->tessellationSize() = 75000;
geomStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
geomStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
FeatureNode* fnode = new FeatureNode(mapNode, feature, geomStyle);
annoGroup->addChild( fnode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS,-30, 50), "Rhumb line polygon", labelStyle) );
}
//--------------------------------------------------------------------
// another rhumb box that crosses the antimeridian
{
Geometry* geom = new Polygon();
geom->push_back( -160., -30. );
geom->push_back( 150., -20. );
geom->push_back( 160., -45. );
geom->push_back( -150., -40. );
Style geomStyle;
Feature* feature = new Feature(geom, geoSRS);
feature->geoInterp() = GEOINTERP_RHUMB_LINE;
geomStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::Lime;
geomStyle.getOrCreate<LineSymbol>()->stroke()->width() = 3.0f;
geomStyle.getOrCreate<LineSymbol>()->tessellationSize() = 75000;
geomStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
geomStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
FeatureNode* gnode = new FeatureNode(mapNode, feature, geomStyle);
annoGroup->addChild( gnode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS, -175, -35), "Antimeridian polygon", labelStyle) );
}
//--------------------------------------------------------------------
// A path using great-circle interpolation.
// Keep a pointer to it so we can modify it later on.
FeatureNode* pathNode = 0;
{
Geometry* path = new LineString();
path->push_back( osg::Vec3d(-74, 40.714, 0) ); // New York
path->push_back( osg::Vec3d(139.75, 35.68, 0) ); // Tokyo
Feature* pathFeature = new Feature(path, geoSRS);
pathFeature->geoInterp() = GEOINTERP_GREAT_CIRCLE;
Style pathStyle;
pathStyle.getOrCreate<LineSymbol>()->stroke()->color() = Color::White;
pathStyle.getOrCreate<LineSymbol>()->stroke()->width() = 1.0f;
pathStyle.getOrCreate<LineSymbol>()->tessellationSize() = 75000;
pathStyle.getOrCreate<PointSymbol>()->size() = 5;
pathStyle.getOrCreate<PointSymbol>()->fill()->color() = Color::Red;
pathStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
pathStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_GPU;
//OE_INFO << "Path extent = " << pathFeature->getExtent().toString() << std::endl;
pathNode = new FeatureNode(mapNode, pathFeature, pathStyle);
annoGroup->addChild( pathNode );
labelGroup->addChild( new LabelNode(mapNode, GeoPoint(geoSRS,-170, 61.2), "Great circle path", labelStyle) );
}
//--------------------------------------------------------------------
// Two circle segments around New Orleans.
{
Style circleStyle;
circleStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Cyan, 0.5);
circleStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
circleStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
CircleNode* circle = new CircleNode(
mapNode,
GeoPoint(geoSRS, -90.25, 29.98, 1000., ALTMODE_RELATIVE),
Distance(300, Units::KILOMETERS),
circleStyle, Angle(-45.0, Units::DEGREES), Angle(45.0, Units::DEGREES), true);
annoGroup->addChild( circle );
editGroup->addChild( new CircleNodeEditor(circle) );
}
{
Style circleStyle;
circleStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Red, 0.5);
circleStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
circleStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
CircleNode* circle = new CircleNode(
mapNode,
GeoPoint(geoSRS, -90.25, 29.98, 1000., ALTMODE_RELATIVE),
Distance(300, Units::KILOMETERS),
circleStyle, Angle(45.0, Units::DEGREES), Angle(360.0 - 45.0, Units::DEGREES), true);
annoGroup->addChild( circle );
editGroup->addChild( new CircleNodeEditor(circle) );
}
//--------------------------------------------------------------------
// An extruded ellipse around Miami.
{
Style ellipseStyle;
ellipseStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Orange, 0.75);
ellipseStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
EllipseNode* ellipse = new EllipseNode(
mapNode,
GeoPoint(geoSRS, -80.28, 25.82, 0.0, ALTMODE_RELATIVE),
Distance(250, Units::MILES),
Distance(100, Units::MILES),
Angle (0, Units::DEGREES),
ellipseStyle,
Angle(45.0, Units::DEGREES),
Angle(360.0 - 45.0, Units::DEGREES),
true);
annoGroup->addChild( ellipse );
editGroup->addChild( new EllipseNodeEditor(ellipse) );
}
{
Style ellipseStyle;
ellipseStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Blue, 0.75);
ellipseStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
EllipseNode* ellipse = new EllipseNode(
mapNode,
GeoPoint(geoSRS, -80.28, 25.82, 0.0, ALTMODE_RELATIVE),
Distance(250, Units::MILES),
Distance(100, Units::MILES),
Angle (0, Units::DEGREES),
ellipseStyle,
Angle(-40.0, Units::DEGREES),
Angle(40.0, Units::DEGREES),
true);
annoGroup->addChild( ellipse );
editGroup->addChild( new EllipseNodeEditor(ellipse) );
}
//--------------------------------------------------------------------
{
// A rectangle around San Diego
Style rectStyle;
rectStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::Green, 0.5);
rectStyle.getOrCreate<AltitudeSymbol>()->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
rectStyle.getOrCreate<AltitudeSymbol>()->technique() = AltitudeSymbol::TECHNIQUE_DRAPE;
RectangleNode* rect = new RectangleNode(
mapNode,
GeoPoint(geoSRS, -117.172, 32.721),
Distance(300, Units::KILOMETERS ),
Distance(600, Units::KILOMETERS ),
rectStyle);
annoGroup->addChild( rect );
editGroup->addChild( new RectangleNodeEditor(rect) );
}
//--------------------------------------------------------------------
// An extruded polygon roughly the shape of Utah. Here we demonstrate the
// FeatureNode, where you create a geographic geometry and use it as an
// annotation.
{
Geometry* utah = new Polygon();
utah->push_back( -114.052, 37.0 );
utah->push_back( -109.054, 37.0 );
utah->push_back( -109.054, 41.0 );
utah->push_back( -111.040, 41.0 );
utah->push_back( -111.080, 42.059 );
utah->push_back( -114.080, 42.024 );
Style utahStyle;
utahStyle.getOrCreate<ExtrusionSymbol>()->height() = 250000.0; // meters MSL
utahStyle.getOrCreate<PolygonSymbol>()->fill()->color() = Color(Color::White, 0.8);
Feature* utahFeature = new Feature(utah, geoSRS);
FeatureNode* featureNode = new FeatureNode(mapNode, utahFeature, utahStyle);
annoGroup->addChild( featureNode );
}
//--------------------------------------------------------------------
// an image overlay.
{
ImageOverlay* imageOverlay = 0L;
osg::Image* image = osgDB::readImageFile( "../data/USFLAG.TGA" );
if ( image )
{
imageOverlay = new ImageOverlay(mapNode, image);
imageOverlay->setBounds( Bounds( -100.0, 35.0, -90.0, 40.0) );
annoGroup->addChild( imageOverlay );
editGroup->addChild( new ImageOverlayEditor(imageOverlay) );
}
}
//--------------------------------------------------------------------
// initialize the viewer:
viewer.setSceneData( root );
viewer.getCamera()->setSmallFeatureCullingPixelSize(-1.0f);
return viewer.run();
}