Implementing 2D TransferFunction.

FILES:

• VolumeViz/contrib/TransferFunction2D/main.cxx
• VolumeViz/contrib/TransferFunction2D/SoTransferFunction2D.cxx
• VolumeViz/contrib/TransferFunction2D/SoTransferFunction2D.h
• VolumeViz/contrib/TransferFunction2D/interface.iv
• VolumeViz/contrib/TransferFunction2D/utils.h
• VolumeViz/contrib/TransferFunction2D/utils.cxx
• VolumeViz/contrib/TransferFunction2D/customShader.glsl

SEE ALSO

SoVolumeRendering, SoTransferFunction