Optimize: Use a dictionary of resolved materials during map conversion
Rather than repeatedly resolve material URIs supplied by the map converter, record them in a StringPool-based dictionary to accelerate the conversion (transfer) process.
This dictionary is also used for reference count tracking and to implement the missing material log.
Optimize: Use a dictionary of resolved materials during map conversion
Rather than repeatedly resolve material URIs supplied by the map
converter, record them in a StringPool-based dictionary to accelerate
the conversion (transfer) process.
This dictionary is also used for reference count tracking and to
implement the missing material log.