Thin border around vtkImageResliceMapper rendering
As reported by Andrea Borsic on the mailing list:
In vtkImageResliceMapper the conversion from CT scalar values to screen colors is performed internally and we have tried playing with BackgroundOn() and with SetBackingColor of a vtkImagePorperty is passed to the vtkImageResliceMapper, but we are not able to get rid of a thin gray border that at times shows around the image as shown in the screenshot below ....