[vtkusers] vtkImageViewer2

[Karthik Krishnan]

vtkImageViewer2 is meant to display grayscale images. It uses an instance of
vtkImageMapToWindowLevelColors. This by default does a RGB(A) to RGB(A) with
all components being the same. You can set your own lookup table to this
class to avoid that and have colors displayed your way...


 imageviewer2->GetWindowLevel()->SetOutputFormatToRGB();
 vtkLookupTable *lut = vtkLookupTable::New();
 lut->SetHueRange(...);
 lut->SetSaturationRange(...);
 lut->SetValueRange(...);
 lut->SetAlphaRange(...);
 lut->SetNumberOfColors(256);
 lut->Build();
 imageviweer2->GetWindowLevel()->SetLookupTable(lut);


On Fri, Mar 4, 2011 at 1:56 PM, alby13 <albagarin1986 at hotmail.com> wrote:

> Good morning,
>
> i am trying to visualize a rgb image with vtkImageViewer2 and i cannot get
> a
> correct image, dependieng on how i set the viewer i get a one component
> image (using only one of the 3 rgb components), or incorrect images (i
> check
> the result coz i can view the rgb image with itk-snap).
> anyone could help me?
>
> thanks,
>
>
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