/**
* This code example effectively duplicates the "boston.earth" sample,
* demonstrating how to create a 3D city model in osgEarth.
*
* Run this from the tests folder.
*/
int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
// create the map.
Map* map = new Map();
// add a TMS imagery layer:
TMSOptions imagery;
imagery.url() = "http://readymap.org/readymap/tiles/1.0.0/22/";
map->addImageLayer( new ImageLayer("ReadyMap imagery", imagery) );
// create a feature source to load the building footprint shapefile.
OGRFeatureOptions feature_opt;
feature_opt.name() = "buildings";
feature_opt.url() = "../data/boston_buildings_utm19.shp";
feature_opt.buildSpatialIndex() = true;
// a style for the building data:
Style buildingStyle;
buildingStyle.setName( "default" );
ExtrusionSymbol* extrusion = buildingStyle.getOrCreate<ExtrusionSymbol>();
extrusion->heightExpression() = NumericExpression( "3.5 * max( [story_ht_], 1 )" );
extrusion->flatten() = true;
extrusion->wallStyleName() = "building-wall";
extrusion->roofStyleName() = "building-roof";
// a style for the wall textures:
Style wallStyle;
wallStyle.setName( "building-wall" );
SkinSymbol* wallSkin = wallStyle.getOrCreate<SkinSymbol>();
wallSkin->libraryName() = "us_resources";
wallSkin->addTag( "building" );
wallSkin->randomSeed() = 1;
// a style for the rooftop textures:
Style roofStyle;
roofStyle.setName( "building-roof" );
SkinSymbol* roofSkin = roofStyle.getOrCreate<SkinSymbol>();
roofSkin->libraryName() = "us_resources";
roofSkin->addTag( "rooftop" );
roofSkin->randomSeed() = 1;
roofSkin->isTiled() = true;
// assemble a stylesheet and add our styles to it:
StyleSheet* styleSheet = new StyleSheet();
styleSheet->addStyle( buildingStyle );
styleSheet->addStyle( wallStyle );
styleSheet->addStyle( roofStyle );
// load a resource library that contains the building textures.
ResourceLibrary* reslib = new ResourceLibrary( "us_resources", "../data/resources/textures_us/catalog.xml" );
styleSheet->addResourceLibrary( reslib );
// set up a paging layout for incremental loading.
FeatureDisplayLayout layout;
layout.tileSizeFactor() = 45.0;
layout.addLevel( FeatureLevel(0.0f, 20000.0f) );
// create a model layer that will render the buildings according to our style sheet.
FeatureGeomModelOptions fgm_opt;
fgm_opt.featureOptions() = feature_opt;
fgm_opt.styles() = styleSheet;
fgm_opt.layout() = layout;
map->addModelLayer( new ModelLayer( "buildings", fgm_opt ) );
// initialize a viewer:
osgViewer::Viewer viewer(arguments);
EarthManipulator* manip = new EarthManipulator();
viewer.setCameraManipulator( manip );
// make the map scene graph:
osg::Group* root = new osg::Group();
viewer.setSceneData( root );
MapNode* mapNode = new MapNode( map );
root->addChild( mapNode );
// Process cmdline args
MapNodeHelper helper;
helper.configureView( &viewer );
helper.parse(mapNode, arguments, &viewer, root, new LabelControl("City Demo"));
// zoom to a good startup position
manip->setViewpoint( Viewpoint(-71.0763, 42.34425, 0, 24.261, -21.6, 3450.0), 5.0 );
viewer.getDatabasePager()->setDoPreCompile( true );
viewer.getCamera()->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
return viewer.run();
}
bool
SLDReader::readStyleFromCSSParams( const Config& conf, Style& sc )
{
sc.setName( conf.key() );
LineSymbol* line = 0L;
PolygonSymbol* polygon = 0L;
PointSymbol* point = 0L;
TextSymbol* text = 0L;
ExtrusionSymbol* extrusion = 0L;
MarkerSymbol* marker = 0L;
AltitudeSymbol* altitude = 0L;
SkinSymbol* skin = 0L;
for(Properties::const_iterator p = conf.attrs().begin(); p != conf.attrs().end(); p++ )
{
// ..... LineSymbol .....
if ( p->first == CSS_STROKE )
{
if (!line) line = sc.getOrCreateSymbol<LineSymbol>();
line->stroke()->color() = htmlColorToVec4f( p->second );
}
else if ( p->first == CSS_STROKE_OPACITY )
{
if (!line) line = sc.getOrCreateSymbol<LineSymbol>();
line->stroke()->color().a() = as<float>( p->second, 1.0f );
}
else if ( p->first == CSS_STROKE_WIDTH )
{
if (!line) line = sc.getOrCreateSymbol<LineSymbol>();
line->stroke()->width() = as<float>( p->second, 1.0f );
}
else if ( p->first == CSS_STROKE_LINECAP )
{
if (!line) line = sc.getOrCreateSymbol<LineSymbol>();
parseLineCap( p->second, line->stroke()->lineCap() );
}
// ..... PolygonSymbol .....
else if ( p->first == CSS_FILL )
{
if (!polygon) polygon = sc.getOrCreateSymbol<PolygonSymbol>();
polygon->fill()->color() = htmlColorToVec4f( p->second );
if ( !point ) point = sc.getOrCreateSymbol<PointSymbol>();
point->fill()->color() = htmlColorToVec4f( p->second );
if ( !text ) text = new TextSymbol();
text->fill()->color() = htmlColorToVec4f( p->second );
}
else if ( p->first == CSS_FILL_OPACITY )
{
if (!polygon) polygon = sc.getOrCreateSymbol<PolygonSymbol>();
polygon->fill()->color().a() = as<float>( p->second, 1.0f );
if ( !point ) point = sc.getOrCreateSymbol<PointSymbol>();
point->fill()->color().a() = as<float>( p->second, 1.0f );
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->fill()->color().a() = as<float>( p->second, 1.0f );
}
// ..... PointSymbol .....
else if (p->first == CSS_POINT_SIZE)
{
if ( !point ) point = sc.getOrCreateSymbol<PointSymbol>();
point->size() = as<float>(p->second, 1.0f);
}
// ..... TextSymbol .....
else if (p->first == CSS_TEXT_SIZE)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->size() = as<float>(p->second, 32.0f);
}
else if (p->first == CSS_TEXT_FONT)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->font() = p->second;
}
else if (p->first == CSS_TEXT_HALO)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->halo()->color() = htmlColorToVec4f( p->second );
}
//else if (p->first == CSS_TEXT_ATTRIBUTE)
//{
// if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
// text->attribute() = p->second;
//}
else if (p->first == CSS_TEXT_ROTATE_TO_SCREEN)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "true") text->rotateToScreen() = true;
else if (p->second == "false") text->rotateToScreen() = false;
}
else if (p->first == CSS_TEXT_SIZE_MODE)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "screen") text->sizeMode() = TextSymbol::SIZEMODE_SCREEN;
else if (p->second == "object") text->sizeMode() = TextSymbol::SIZEMODE_OBJECT;
}
else if (p->first == CSS_TEXT_REMOVE_DUPLICATE_LABELS)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "true") text->removeDuplicateLabels() = true;
else if (p->second == "false") text->removeDuplicateLabels() = false;
}
else if (p->first == CSS_TEXT_LINE_ORIENTATION)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "parallel") text->lineOrientation() = TextSymbol::LINEORIENTATION_PARALLEL;
else if (p->second == "horizontal") text->lineOrientation() = TextSymbol::LINEORIENTATION_HORIZONTAL;
else if (p->second == "perpendicular") text->lineOrientation() = TextSymbol::LINEORIENTATION_PERPENDICULAR;
}
else if (p->first == CSS_TEXT_LINE_PLACEMENT)
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
if (p->second == "centroid") text->linePlacement() = TextSymbol::LINEPLACEMENT_CENTROID;
else if (p->second == "along-line") text->linePlacement() = TextSymbol::LINEPLACEMENT_ALONG_LINE;
}
else if (p->first == "text-content")
{
if (!text) text = sc.getOrCreate<TextSymbol>();
text->content() = StringExpression( p->second );
}
else if (p->first == "text-priority")
{
if (!text) text = sc.getOrCreateSymbol<TextSymbol>();
text->priority() = NumericExpression( p->second );
}
else if (p->first == "text-provider")
{
if (!text) text = sc.getOrCreate<TextSymbol>();
text->provider() = p->second;
}
// ..... MarkerSymbol .....
else if (p->first == "marker")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
marker->url() = p->second;
marker->url()->setURIContext( conf.uriContext() );
}
else if (p->first == "marker-placement")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
if (p->second == "vertex") marker->placement() = MarkerSymbol::PLACEMENT_VERTEX;
else if (p->second == "interval") marker->placement() = MarkerSymbol::PLACEMENT_INTERVAL;
else if (p->second == "random" ) marker->placement() = MarkerSymbol::PLACEMENT_RANDOM;
}
else if (p->first == "marker-density")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
marker->density() = as<float>(p->second, 1.0f);
}
else if (p->first == "marker-random-seed")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
marker->randomSeed() = as<unsigned>(p->second, 0);
}
else if (p->first == "marker-scale")
{
if (!marker) marker = sc.getOrCreateSymbol<MarkerSymbol>();
marker->scale() = stringToVec3f(p->second, osg::Vec3f(1,1,1));
}
// ..... ExtrusionSymbol .....
else if (p->first == "extrusion-height")
{
if (!extrusion) extrusion = sc.getOrCreate<ExtrusionSymbol>();
extrusion->heightExpression() = NumericExpression(p->second);
}
else if (p->first == "extrusion-flatten")
{
if (!extrusion) extrusion = sc.getOrCreate<ExtrusionSymbol>();
extrusion->flatten() = as<bool>(p->second, true);
}
else if (p->first == "extrusion-wall-style")
{
if (!extrusion) extrusion = sc.getOrCreate<ExtrusionSymbol>();
extrusion->wallStyleName() = p->second;
}
else if (p->first == "extrusion-roof-style")
{
if (!extrusion) extrusion = sc.getOrCreate<ExtrusionSymbol>();
extrusion->roofStyleName() = p->second;
}
// ..... AltitideSymbol .....
else if (p->first == "altitude-clamping")
{
if (!altitude) altitude = sc.getOrCreateSymbol<AltitudeSymbol>();
if (p->second == "none" ) altitude->clamping() = AltitudeSymbol::CLAMP_NONE;
else if (p->second == "terrain" ) altitude->clamping() = AltitudeSymbol::CLAMP_TO_TERRAIN;
else if (p->second == "absolute") altitude->clamping() = AltitudeSymbol::CLAMP_ABSOLUTE;
else if (p->second == "relative") altitude->clamping() = AltitudeSymbol::CLAMP_RELATIVE_TO_TERRAIN;
}
else if (p->first == "altitude-resolution")
{
if (!altitude) altitude = sc.getOrCreate<AltitudeSymbol>();
altitude->clampingResolution() = as<float>( p->second, 0.0f );
}
else if (p->first == "altitude-offset")
{
if (!altitude) altitude = sc.getOrCreate<AltitudeSymbol>();
altitude->verticalOffset() = NumericExpression( p->second );
}
else if (p->first == "altitude-scale")
{
if (!altitude) altitude = sc.getOrCreate<AltitudeSymbol>();
altitude->verticalScale() = NumericExpression( p->second );
}
// ..... SkinSymbol .....
else if (p->first == "skin-library")
{
if (!skin) skin = sc.getOrCreate<SkinSymbol>();
if ( !p->second.empty() ) skin->libraryName() = p->second;
}
else if (p->first == "skin-tags")
{
if (!skin) skin = sc.getOrCreate<SkinSymbol>();
skin->addTags( p->second );
}
else if (p->first == "skin-tiled")
{
if (!skin) skin = sc.getOrCreate<SkinSymbol>();
skin->isTiled() = as<bool>( p->second, false );
}
else if (p->first == "skin-object-height")
{
if (!skin) skin = sc.getOrCreate<SkinSymbol>();
skin->objectHeight() = as<float>( p->second, 0.0f );
}
else if (p->first == "skin-min-object-height")
{
if (!skin) skin = sc.getOrCreate<SkinSymbol>();
skin->minObjectHeight() = as<float>( p->second, 0.0f );
}
else if (p->first == "skin-max-object-height")
{
if (!skin) skin = sc.getOrCreate<SkinSymbol>();
skin->maxObjectHeight() = as<float>( p->second, 0.0f );
}
}
return true;
}