ENH: Material fixes
- BG colors in VTKViewer now use Color not Vec3d
- Various PBR material fixes including fixed tangents
- Camera now exposes its near and far plane parameters rather than recomputing based on scene bounds
Edited by Andrew Wilson
System updates will be applied on March 12th between 0900 AM and 1200 PM, EST (UTC-05:00). This site will have intermittent downtime during that time.