osgEarth::Features::CentroidFilter Class Reference

Inheritance diagram for osgEarth::Features::CentroidFilter:

Collaboration diagram for osgEarth::Features::CentroidFilter:

List of all members.

Public Member Functions
	CentroidFilter ()
virtual FilterContext	push (FeatureList &input, FilterContext &context)

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Detailed Description

Replaces each feature's geometry with a single-point centroid.

Definition at line 34 of file CentroidFilter.

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Constructor & Destructor Documentation

CentroidFilter::CentroidFilter

(

)

Definition at line 28 of file CentroidFilter.cpp.

{
    //NOP
}

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Member Function Documentation

FilterContext CentroidFilter::push	(	FeatureList &	input,
		FilterContext &	context
	)		[virtual]

Implements osgEarth::Features::FeatureFilter.

Definition at line 34 of file CentroidFilter.cpp.

{
    for( FeatureList::iterator i = features.begin(); i != features.end(); ++i )
    {
        Feature* f = i->get();
        
        Geometry* geom = f->getGeometry();
        if ( !geom )
            continue;

        PointSet* newGeom = new PointSet();
        newGeom->push_back( geom->getBounds().center() );

        f->setGeometry( newGeom );
    }

    return context;
}

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The documentation for this class was generated from the following files:

• /home/cube/sources/osgearth/src/osgEarthFeatures/CentroidFilter
• /home/cube/sources/osgearth/src/osgEarthFeatures/CentroidFilter.cpp