Function to free useless memory. Role: This function is to be used after a call to MakeLods, in order to free
useless memory in the LodData <***output> and <**sag> arguments of
MakeLods.
Parameters:
ldata
Array of LodData parameters to be cleared (same format as
MakeLods).
sdata
Array of sags allocated by the previous routine.
size
Number of LodData to be cleared.
This object is included in the file: CATLevelOfDetail.h