This is the abstract factory for layer renderers. 
 
~AbstractLayerRendererFactory()
 
It renders the objects associated to an abstract layer. i.e. a generic renderer. 
 
AbstractRenderer * build()
Concrete factories (derived from this one) must implement this method in order to create objects...
 
This is the concrete factory for renderers of AbstractLayers. i.e. builds a generic renderer...
 
It renders the objects associated to an abstract layer. i.e. a generic renderer. 
 
static AbstractLayerRendererFactory sm_factory
A pointer to the global renderer factory. 
 
This is the concrete factory for renderers of a AbstractLayer. i.e. builds a generic renderer...
 
AbstractLayerRendererFactory()
 
It renders the objects associated to a layer.