[vtkusers] Color invertion for volume Data

[Jérôme]

Hi,

if the purpose is a displayed color invertion, why not changing the lookup
table in the visualization pipeline? It will avoid the use of a processing
class that increases the memory usage.

Jerome


2010/3/6 circass <circass at gmail.com>

>
> Hi Corry, Thanx for your help.
>
> inverter->SetShift(-range[1]);
> double result = range[1]-range[0];
> inverter->SetScale(VTK_UNSIGNED_SHORT_MAX/result);
>
> this calculation made something reasonable but not good enough. the range
> part solved the exception as i thought.
>
> i decide to set the ColorWindow value to -1 * presentWindow.
> I m using imageViewer2.
>
> but still i dont know best quality color invertion algorithm.
>
> Thanx
> Circass
> --
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