Inheritance diagram for osgEarth::Features::FeatureNode:

Collaboration diagram for osgEarth::Features::FeatureNode:

Public Member Functions
	FeatureNode (MapNode mapNode, Feature feature, bool draped=true)
void	setFeature (Feature *feature)
void	setStyle (const Style &style)
void	init ()
Protected Attributes
osg::ref_ptr< Feature >	_feature
optional< Style >	_style

Detailed Description

A node that renders a single feature. This convenience node assumes that the geometry in the Feature is in the same SRS as the Map in the MapNode.

Definition at line 39 of file FeatureNode.

Constructor & Destructor Documentation

FeatureNode::FeatureNode	(	MapNode *	mapNode,
		Feature *	feature,
		bool	draped = `true`
	)

Definition at line 29 of file FeatureNode.cpp.

                                                                          :
DrapeableNode( mapNode, draped ),
_feature     ( feature )
{
    init();
}

Here is the call graph for this function:

Member Function Documentation

void FeatureNode::init ( )

Definition at line 37 of file FeatureNode.cpp.

{
    if ( _feature.valid() && _feature->getGeometry() )
    {
        GeometryCompilerOptions options;
        options.maxGranularity() = 1.0;
        GeometryCompiler compiler( options );
        Session* session = new Session( _mapNode->getMap() );
        GeoExtent extent(_mapNode->getMap()->getProfile()->getSRS(), _feature->getGeometry()->getBounds());
        FeatureProfile* profile = new FeatureProfile(extent);
        FilterContext context( session, profile, extent );

        // Clone the Feature before rendering as the GeometryCompiler and it's filters can change the coordinates
        // of the geometry when performing localization or converting to geocentric.
        osg::ref_ptr< Feature > clone = new osgEarth::Features::Feature(*_feature.get(), osg::CopyOp::DEEP_COPY_ALL);        

        osg::Node* node;
        if ( _style.isSet() )
            node = compiler.compile( clone.get(), *_style, context );
        else
            node = compiler.compile( clone.get(), *clone->style(), context );

        setNode( node );
    }
}