Hi Claudia,
I don't see anything wrong in your code, actually.
Used this one recently with success:
m_ResultNode->SetProperty("ScalarsRangeMinimum",
mitk::FloatProperty::New(absoluteRange[0]));
m_ResultNode->SetProperty("ScalarsRangeMaximum",
mitk::FloatProperty::New(absoluteRange[1]));
m_ResultNode->SetProperty("scalar visibility", mitk::BoolProperty::New(true));
m_ResultNode->SetProperty("color" , mitk::ColorProperty::New( 0.0f, 0.0f, 0.0f
));
mitk::LookupTable::Pointer mitkLut = mitk::LookupTable::New();
vtkLookupTable* vtkLut = mitkLut->GetVtkLookupTable();
vtkLut->SetHueRange(0.6667, 0.0);
vtkLut->SetTableRange(absoluteRange[0],absoluteRange[1]);
vtkLut->SetNumberOfColors(255);
vtkLut->SetRampToLinear();
vtkLut->Build();
mitk::LookupTableProperty::Pointer mitkLutProp =
mitk::LookupTableProperty::New();
mitkLutProp->SetLookupTable(mitkLut);
m_ResultNode->SetProperty( "LookupTable", mitkLutProp );
Maybe you are missing the "scalar visibility" property?
Regards,
Tobi
------------------------------------------------------------
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DKFZ
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________________________________
Von: Claudia Hänel [[email protected]]
Gesendet: Dienstag, 26. Oktober 2010 14:20
An: [email protected]
Betreff: [mitk-users] How to apply mitk::LookupTable
Hi,
I try to apply a transferfunction. I want to map my gray value image to colors.
I tried:
vtkLookupTable *vtkLUT = vtkLookupTable::New();
vtkLUT->SetTableRange(image->GetScalarValueMin(),
image->GetScalarValueMax());
vtkLUT->SetHueRange(0.5,0.0);
vtkLUT->SetNumberOfColors(64);
vtkLUT->Build();
mitk::LookupTable::Pointer mitkLUT = mitk::LookupTable::New();
mitkLUT->SetVtkLookupTable(vtkLUT);
mitkLUT->ChangeOpacityForAll(0.5);
mitkLUT->Update();
mitk::LookupTableProperty::Pointer mitkLUTProperty =
mitk::LookupTableProperty::New(mitkLUT);
activationNode->SetProperty("LookupTable", mitkLUTProperty);
activationNode->SetData(image);
activationNode->Update();
But all I see is still the gray value image. Can anyone tell me what's wrong?
Regards,
Claudia
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