usg::XformCache Class Reference

#include <XformCache.h>

Public Member Functions
	XformCache (fdk::TimeValue time)
fdk::Mat4d	getLocalToWorldTransform (const Prim &prim)
	Returns the local to world transformation of the prim.
fdk::Mat4d	getParentToWorldTransform (const Prim &prim)
	Returns the local to world transformation of the prim's parent.
fdk::Mat4d	getLocalTransformation (const Prim &prim, bool *resetsXformStack)
	Returns the local transformation of the prim.
fdk::Mat4d	computeRelativeTransform (const Prim &prim, const Prim &ancestor, bool *resetsXformStack)
	Returns the transformation of the prim relative to ancestor.

Detailed Description

A class for caching transform queries. Create one of these when you need to query a set of transforms. This is not threadsafe, so you should create one per thread if multithreading.