Inheritance diagram for osgEarth::Features::FeatureModelSource:

Collaboration diagram for osgEarth::Features::FeatureModelSource:

Public Member Functions
	FeatureModelSource (const FeatureModelSourceOptions &options=FeatureModelSourceOptions())
virtual void	initialize (const std::string &referenceURI, const osgEarth::Map *map)
virtual osg::Node *	createNode (ProgressCallback *progress)
virtual FeatureNodeFactory *	createFeatureNodeFactory ()=0
void	setFeatureSource (FeatureSource *source)
FeatureSource *	getFeatureSource ()
virtual const FeatureModelSourceOptions &	getFeatureModelOptions () const
const osgEarth::Map *	getMap () const
virtual osg::Referenced *	createBuildData ()
virtual osg::Object *	cloneType () const
virtual osg::Object *	clone (const osg::CopyOp &) const
virtual bool	isSameKindAs (const osg::Object *obj) const
virtual const char *	className () const
virtual const char *	libraryName () const
Protected Member Functions
virtual	~FeatureModelSource ()
Protected Attributes
osg::ref_ptr< FeatureSource >	_features
osg::ref_ptr< const Map >	_map
const FeatureModelSourceOptions	_options
osg::ref_ptr< FeatureNodeFactory >	_factory

Detailed Description

A ModelSource that renders Feature data from a FeatureSource.

Definition at line 165 of file FeatureModelSource.

Constructor & Destructor Documentation

FeatureModelSource::FeatureModelSource ( const FeatureModelSourceOptions & options = FeatureModelSourceOptions() )

Constructs a new feature model source with the provided options.

Definition at line 109 of file FeatureModelSource.cpp.

                                                                                 :
ModelSource( options ),
_options( options )
{
    // the data source from which to pull features:
    if ( _options.featureSource().valid() )
    {
        _features = _options.featureSource().get();
    }
    else if ( _options.featureOptions().isSet() )
    {
        _features = FeatureSourceFactory::create( _options.featureOptions().value() );
        if ( !_features.valid() )
        {
            OE_WARN << "FeatureModelSource - no valid feature source provided" << std::endl;
        }
    }
}

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virtual osgEarth::Features::FeatureModelSource::~FeatureModelSource ( ) [inline, protected, virtual]

DTOR is protected to prevent this object from being allocated on the stack

Definition at line 211 of file FeatureModelSource.

{ }

Member Function Documentation

virtual const char* osgEarth::Features::FeatureModelSource::className ( ) const [inline, virtual]

Reimplemented from osgEarth::ModelSource.

Definition at line 205 of file FeatureModelSource.

{ return "FeatureModelSource"; }

virtual osg::Object* osgEarth::Features::FeatureModelSource::clone ( const osg::CopyOp & ) const [inline, virtual]

Reimplemented from osgEarth::ModelSource.

Definition at line 203 of file FeatureModelSource.

{ return 0; } // clone() not appropriate

virtual osg::Object* osgEarth::Features::FeatureModelSource::cloneType ( ) const [inline, virtual]

Reimplemented from osgEarth::ModelSource.

Definition at line 202 of file FeatureModelSource.

{ return 0; } // cloneType() not appropriate

virtual osg::Referenced* osgEarth::Features::FeatureModelSource::createBuildData ( ) [inline, virtual]

Creates an implementation-specific data object to be passed to buildNodeForStyle

Definition at line 197 of file FeatureModelSource.

{ return NULL; }

virtual FeatureNodeFactory* osgEarth::Features::FeatureModelSource::createFeatureNodeFactory ( ) [pure virtual]

Implemented in anonymous_namespace{FeatureGeomModelSource.cpp}::FeatureGeomModelSource, anonymous_namespace{FeatureLabelModelSource.cpp}::FeatureLabelModelSource, and anonymous_namespace{FeatureStencilModelSource.cpp}::FeatureStencilModelSource.

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osg::Node * FeatureModelSource::createNode ( ProgressCallback * progress ) [virtual]

Subclass implements this method to create the mode node.

Implements osgEarth::ModelSource.

Definition at line 159 of file FeatureModelSource.cpp.

{
    if ( !_factory.valid() )
        _factory = createFeatureNodeFactory();

    if ( !_factory.valid() )
        return 0L;

    if ( !_features.valid() || !_features->getFeatureProfile() )
    {
        OE_WARN << LC << "Invalid feature source" << std::endl;
        return 0L;
    }

    Session* session = new Session( _map.get(), _options.styles().get() );

    FeatureModelGraph* graph = new FeatureModelGraph( 
        _features.get(), 
        _options, 
        _factory.get(),
        session );

    return graph;
}

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virtual const FeatureModelSourceOptions& osgEarth::Features::FeatureModelSource::getFeatureModelOptions ( ) const [inline, virtual]

Reimplemented in anonymous_namespace{FeatureStencilModelSource.cpp}::FeatureStencilModelSource.

Definition at line 192 of file FeatureModelSource.

{ return _options; }

FeatureSource* osgEarth::Features::FeatureModelSource::getFeatureSource ( ) [inline]

The underlying feature source.

Definition at line 190 of file FeatureModelSource.

{ return _features.get(); }

const osgEarth::Map* osgEarth::Features::FeatureModelSource::getMap ( ) const [inline]

Definition at line 194 of file FeatureModelSource.

{ return _map.get(); }

void FeatureModelSource::initialize	(	const std::string &	referenceURI,
		const osgEarth::Map *	map
	)		`[virtual]`

Initialize the NodeSource.

Reimplemented from osgEarth::ModelSource.

Reimplemented in anonymous_namespace{FeatureGeomModelSource.cpp}::FeatureGeomModelSource, anonymous_namespace{FeatureLabelModelSource.cpp}::FeatureLabelModelSource, and anonymous_namespace{FeatureStencilModelSource.cpp}::FeatureStencilModelSource.

Definition at line 142 of file FeatureModelSource.cpp.

{
    ModelSource::initialize( referenceURI, map );

    if ( _features.valid() )
    {
        _features->initialize( referenceURI );
    }
    else
    {
        OE_WARN << LC << "No FeatureSource; nothing will be rendered (" << getName() << ")" << std::endl;
    }

    _map = map;
}

virtual bool osgEarth::Features::FeatureModelSource::isSameKindAs ( const osg::Object * obj ) const [inline, virtual]

Reimplemented from osgEarth::ModelSource.

Definition at line 204 of file FeatureModelSource.

{ return dynamic_cast<const FeatureModelSource*>(obj)!=NULL; }

virtual const char* osgEarth::Features::FeatureModelSource::libraryName ( ) const [inline, virtual]

Reimplemented from osgEarth::ModelSource.

Definition at line 206 of file FeatureModelSource.

{ return "osgEarthFeatures"; }

void FeatureModelSource::setFeatureSource ( FeatureSource * source )

Sets a feature source.

Definition at line 129 of file FeatureModelSource.cpp.

{
    if ( !_features.valid() )
    {
        _features = source;
    }
    else
    {
        OE_WARN << LC << "Illegal: cannot set a feature source after one is already set" << std::endl;
    }
}