[vtkusers] How to display the points in a greyscale range in other colors for DICOM series via vtkImageViewers

[fblupi]

"Density" is a density value for a material of your volume (for example air
has around -1000, bone 400...).

The original grayscale puts darker colors for materials with lower values.
That's why you can see the air black.

I don't know the value in which the original grayscale turns from black to
gray. But you can use 3D Slicer to help you getting these values. With this
software you can load a serie of DICOM files and inspect them.



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