[vtkusers] Help!!!I can't change the color of the iso face!

[Bill Lorensen]

mapMC->ScalarVisibilityOff();

At 11:30 AM 5/4/02 +0800, Lin Fei wrote:
>Hi everybody,
>   I'm using vtkMarchingCubes class to create some isofaces,but I can not change the color when rendering.I develop this in the example SampleMFC comes with VTK4.0.Here is a piece of my code in CSampleDoc:
>        
>        vtkStructuredPointsReader * reader = vtkStructuredPointsReader::New();
>        reader->SetFileName("ironProt.vtk");
>
>        vtkMarchingCubes * skinExtractor = vtkMarchingCubes::New();
>        skinExtractor->SetInput(reader->GetOutput());
>        skinExtractor->SetValue(0, 128);
>
>        vtkPolyDataMapper *mapMC = vtkPolyDataMapper::New();
>        mapMC->SetInput(skinExtractor->GetOutput(0));
>
>        vtkActor *actMC = vtkActor::New();
>        actMC->SetMapper(mapMC);
>        actMC->GetProperty()->SetColor(1,1,0);//<==This line doesn't work at all.
>
>        Props->AddItem(actMC);
>
>   No matter what color I set,it's always blue.But if I render a vtkCubeSource object or something in the same program,it works.
>   Any help will be highly appreciated!
>
>
>Sophie
>5/4/2002
>
>
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