Cleaned up Surface Viewer color mapping.
Cleaned up Surface Viewer color mapping.

juanprietob/brainbrowser,rdvincent/brainbrowser,juanprietob/brainbrowser,juanprietob/brainbrowser,OnWithLife/brainbrowser,OnWithLife/brainbrowser,juanprietob/brainbrowser,OnWithLife/brainbrowser,rdvincent/brainbrowser,rdvincent/brainbrowser