Inheritance diagram for osgEarth::Features::GeometryFeatureCursor:

Collaboration diagram for osgEarth::Features::GeometryFeatureCursor:

Public Member Functions
	GeometryFeatureCursor (Symbology::Geometry *geom)
	GeometryFeatureCursor (Symbology::Geometry geom, const FeatureProfile fp, const FeatureFilterList &filters)
virtual bool	hasMore () const
virtual Feature *	nextFeature ()
Protected Attributes
osg::ref_ptr< Symbology::Geometry >	_geom
osg::ref_ptr< const FeatureProfile >	_featureProfile
const FeatureFilterList	_filters
osg::ref_ptr< Feature >	_lastFeature

Detailed Description

A simple cursor that returns each Geometry wrapped in a feature.

Definition at line 66 of file FeatureCursor.

Constructor & Destructor Documentation

GeometryFeatureCursor::GeometryFeatureCursor ( Symbology::Geometry * geom )

Definition at line 61 of file FeatureCursor.cpp.

                                                             :
_geom( geom )
{
    //nop
}

GeometryFeatureCursor::GeometryFeatureCursor	(	Symbology::Geometry *	geom,
		const FeatureProfile *	fp,
		const FeatureFilterList &	filters
	)

Definition at line 67 of file FeatureCursor.cpp.

                                                                                :
_geom( geom ),
_featureProfile( fp ),
_filters( filters )
{
    //nop
}

Member Function Documentation

bool GeometryFeatureCursor::hasMore ( ) const [virtual]

Implements osgEarth::Features::FeatureCursor.

Definition at line 78 of file FeatureCursor.cpp.

                                     {
    return _geom.valid();
}

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Feature * GeometryFeatureCursor::nextFeature ( ) [virtual]

Implements osgEarth::Features::FeatureCursor.

Definition at line 83 of file FeatureCursor.cpp.

{
    if ( hasMore() )
    {
        _lastFeature = new Feature();
        _lastFeature->setGeometry( _geom.get() );
        FilterContext cx;
        cx.profile() = _featureProfile.get();
        FeatureList list;
        list.push_back( _lastFeature.get() );
        for( FeatureFilterList::const_iterator i = _filters.begin(); i != _filters.end(); ++i ) {
            cx = i->get()->push( list, cx );
        }
        _geom = 0L;
    }
    return _lastFeature.get();
}