static bool writeLayers( osgDB::OutputStream& os, const osgVolume::CompositeLayer& layer )
{
unsigned int size = layer.getNumLayers();
os << size << os.BEGIN_BRACKET << std::endl;
for ( unsigned int i=0; i<size; ++i )
{
os << layer.getLayer(i);
}
os << os.END_BRACKET << std::endl;
return true;
}
static bool readLayers( osgDB::InputStream& is, osgVolume::CompositeLayer& layer )
{
unsigned int size = 0; is >> size >> is.BEGIN_BRACKET;
for ( unsigned int i=0; i<size; ++i )
{
osgVolume::Layer* child = dynamic_cast<osgVolume::Layer*>( is.readObject() );
if ( child ) layer.addLayer( child );
}
is >> is.END_BRACKET;
return true;
}
static bool readLayers( osgDB::InputStream& is, osgVolume::CompositeLayer& layer )
{
unsigned int size = 0; is >> size >> is.BEGIN_BRACKET;
for ( unsigned int i=0; i<size; ++i )
{
osg::ref_ptr<osgVolume::Layer> child = is.readObjectOfType<osgVolume::Layer>();
if ( child ) layer.addLayer( child );
}
is >> is.END_BRACKET;
return true;
}
static bool checkLayers( const osgVolume::CompositeLayer& layer )
{
return layer.getNumLayers()>0;
}
