Activates all voxels whose value is nonzero. GridValueAllIter is e.g. FloatGrid34::ValueAllIter

http://www.codeguru.com/cpp/w-p/win32/article.php/c1427/A-Simple-Win32-CommandLine-Parser.htm

Particle & Grid Buffers

Fluid Parameters (stored on both host and device)

-------------------------------------- Fonts (Tristan Lorach) Read from .bin files

----------------- to be declared in the code of the sample: so the sample can decide how to display messages

Stores the size of each of the NanoVDB types for a particular GVDB configuration.

enum for empty constructor tag*/

-------------------------------------- PLY FORMAT

Denotes the different regions of a NanoVDB file/memory representation.