[Insight-users] CT range and Volume Rendering

[Karthik Krishnan]

On Sun, Feb 15, 2009 at 5:25 AM, prabhat246 <prabhat246 at yahoo.com> wrote:

> But there is a special value of -3024 representing
> black pixels.


This is meant to be substituted with the value of -1024. That's what most
tools (and we in Volview) do and is referred to in the. The special value is
referred to as PixelPaddingValue, when outside the FOV of the scanner. This
is the value that the CT data (circular) is padded to a rectangular format.


> It would be great you could explain a little about
> AddPoint and AddSegments of PieceWiseFunction.


Post on vtkusers... Read the VTK guide .. Its all in there.
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