SymbologyManager()
It initializes the Singleton. 
 
A Symbolizer describes how a Feature is to appear on a map. 
 
The SymbologyManager is a singleton that can be used to manage all loaded symbols in TerraLib...
 
~SymbologyManager()
Destructor. 
 
void clear()
It inserts a new catalog that will be managed by ColorManager. 
 
std::map< std::string, Symbolizer * > m_catalogIdxByName
An index from catalog's name to catalog's instance (note: we can not have duplicated names)...