[vtkusers] Coloring of Iso-Surfaces (vtkContourFilter)

[Sebastian Gatzka]

No, still blue ...

Am 15.03.2010 11:41, schrieb David E DeMarle:
> scalarIsoSurface->ComputeScalarsOn();
>
> On Mon, Mar 15, 2010 at 4:55 AM, Sebastian Gatzka
> <sebastian.gatzka at stud.tu-darmstadt.de>  wrote:
>    
>> Hello world.
>>
>> After I have finally found a way of making the vtkContourFilter work I'm now
>> facing how to color them.
>> I want to color them according to the value they are having.
>> Example: The cutting plane displays the "right" color for the scalar data,
>> but the iso-surfaces (contours) are colored identically.
>> Have a look at the screenshot in the attachment.
>>
>> So, what do I have to do, to set up the right coloring?
>>
>> Here is the code I am using to create the contours:
>>
>> vtkContourFilter *scalarIsoSurface = vtkContourFilter::New();
>> scalarIsoSurface->SetInput(sGridPointData->GetOutput());
>> scalarIsoSurface->SetValue(0,3);
>> scalarIsoSurface->SetValue(1,5);
>> scalarIsoSurface->Update();
>>
>> vtkPolyDataNormals *sGridPolyDataNormal = vtkPolyDataNormals::New();
>> sGridPolyDataNormal->SetInput(scalarIsoSurface->GetOutput());
>> sGridPolyDataNormal->Update();
>>
>> vtkPolyDataMapper *scalarIsoSurfaceMapper = vtkPolyDataMapper::New();
>> scalarIsoSurfaceMapper->SetInput(sGridPolyDataNormal->GetOutput());
>> scalarIsoSurfaceMapper->Update();
>>
>> vtkActor *scalarIsoSurfaceActor = vtkActor::New();
>> scalarIsoSurfaceActor->SetMapper(scalarIsoSurfaceMapper);
>>
>> Have a nice day.
>> Sebastian
>>
>>
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>>      
>    
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