imageworks/Field3D — pull request #63 by sosh (2013-02-01 01:52:54+00:00)
Title: Checking in Magnus' work on SparseField:

1- Switching the SparseField to use raw pointers for Block and raw pointers for SparseBlock's data rather than std::vector.
2- Optimized version of Linear interpolation for SparseField.