osgEarth::Symbology::MarkerResource Class Reference

Inheritance diagram for osgEarth::Symbology::MarkerResource:

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List of all members.

Public Member Functions
	MarkerResource (const Config &conf=Config())
osg::Node *	createNode () const
optional< URI > &	uri ()
const optional< URI > &	uri () const
virtual Config	getConfig () const
void	mergeConfig (const Config &conf)
Protected Member Functions
osg::Node *	createNodeFromURI (const URI &uri) const
Protected Attributes
optional< URI >	_markerURI

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Detailed Description

A resource that points to a "marker", which is a model representing an object in the scene. Markers are used typically fro point-model subsitution and to manage externally referenced (or dynamically created) scene graph nodes.

Definition at line 38 of file MarkerResource.

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Constructor & Destructor Documentation

MarkerResource::MarkerResource

(

const Config &

conf = Config()

)

Constructs a new marker resource.

Definition at line 91 of file MarkerResource.cpp.

                                                   :
Resource( conf )
{
    mergeConfig( conf );
}

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Member Function Documentation

osg::Node * MarkerResource::createNode

(

)

const

Creates a new Node representing the marker.

Definition at line 115 of file MarkerResource.cpp.

{
    return createNodeFromURI( _markerURI.value() );
}

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osg::Node * MarkerResource::createNodeFromURI

(

const URI &

uri

)

const [protected]

Definition at line 121 of file MarkerResource.cpp.

{
    osg::ref_ptr<osg::Object> obj = uri.readObject();
    if ( obj.valid() )
    {
        if ( dynamic_cast<osg::Image*>( obj.get() ) )
        {
            return buildImageModel( dynamic_cast<osg::Image*>( obj.get() ) );
        }
        else if ( dynamic_cast<osg::Node*>( obj.get() ) )
        {
            return dynamic_cast<osg::Node*>( obj.release() );
        }
    }

    else // failing that, fall back on the old encoding format..
    {
        StringVector tok;
        StringTokenizer( *uri, tok, "()" );
        if (tok.size() >= 2)
            return createNodeFromURI( URI(tok[1]) );
    }

    // fail
    return 0L;
}

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Config MarkerResource::getConfig

(

)

const [virtual]

Reimplemented from osgEarth::Symbology::Resource.

Definition at line 104 of file MarkerResource.cpp.

{
    Config conf = Resource::getConfig();
    conf.key() = "marker";

    conf.updateIfSet( "url", _markerURI );

    return conf;
}

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void MarkerResource::mergeConfig

(

const Config &

conf

)

Reimplemented from osgEarth::Symbology::Resource.

Definition at line 98 of file MarkerResource.cpp.

{
    conf.getIfSet( "url", _markerURI );
}

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const optional<URI>& osgEarth::Symbology::MarkerResource::uri

(

)

const [inline]

Definition at line 52 of file MarkerResource.

{ return _markerURI; }

optional<URI>& osgEarth::Symbology::MarkerResource::uri

(

)

[inline]

Source location of the actual data to load.

Definition at line 51 of file MarkerResource.

{ return _markerURI; }

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Member Data Documentation

optional<URI> osgEarth::Symbology::MarkerResource::_markerURI [protected]

Definition at line 60 of file MarkerResource.

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

• /home/cube/sources/osgearth/src/osgEarthSymbology/MarkerResource
• /home/cube/sources/osgearth/src/osgEarthSymbology/MarkerResource.cpp