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Lisa Avila authored
1) Fixed ray casting for rendering a large image 2) Removed RGBTexture input from the volume mapper 3) Modified vtkVolumeProperty to support properties per "field" with a maximum of 4 fields. 4) Remove all RGBTexture parameters from the property 5) Small fix to interactor style joystick camera for endpan and endzoom Most of this work is in preparation for multiple component support for volume rendering in VTK.
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