[vtkusers] how to brighten an image?

Wolfram H Volpi whv88240 at Bayou.UH.EDU
Mon Oct 30 02:11:30 EST 2000

I have an image that is very dark, almost all black.

Is there a vtkImage filter that will multiply the pixel values
by a constant?

vtkImageToImageFilter might be the thing to use, but it has no
documentation, or tcl example.  How does it work?

Does any one have a suggestion on how to brighten up an image?

Thank you,

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