[vtkusers] vtkDICOMImageReader -> vtkCutter -> vtkMarchingCubes

[KS Jothybasu]

Thanks!

Does the SetOrigin(100,0,0) mean a sagitall cut or cut in the X-plane at
100th pixel and what does SetValue(0, 0.5) mean?

Many thanks again

Jothy

On Thu, Dec 24, 2009 at 3:50 AM, Jinyoung Hwang <hwangjinyoung at gmail.com>wrote:

> Hello,
>
> I made an example you want, but it may not be.
>  If not, repost again, then other will help you.
>
> Jinyoung
>
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>  // data load
>  vtkSmartPointer<vtkStructuredPointsReader> reader =
> vtkSmartPointer<vtkStructuredPointsReader>::New();
>  reader->SetFileName("test.vtk");
>  reader->Update();
>  // MC is used to display in 3D
>  vtkSmartPointer<vtkMarchingCubes> cubes =
> vtkSmartPointer<vtkMarchingCubes>::New();
>  cubes->SetInputConnection(reader->GetOutputPort());
>  cubes->ComputeNormalsOn();
>  cubes->ComputeGradientsOn();
>  cubes->SetValue(0, 20);
>  cubes->Update();
> // create a plane, and specify it
>  vtkSmartPointer<vtkPlane> plane = vtkSmartPointer<vtkPlane>::New();
>  plane->SetOrigin(100,0,0);
>  plane->SetNormal(1,0,0);
> // create a cutter
>  vtkSmartPointer<vtkCutter> cutter = vtkSmartPointer<vtkCutter>::New();
>  cutter->SetInputConnection(cubes->GetOutputPort());
>  cutter->SetCutFunction(plane);
>  cutter->GenerateCutScalarsOn();
>  cutter->SetValue(0, 0.5);
>  // create a mapper
>  vtkSmartPointer<vtkPolyDataMapper> mapper =
> vtkSmartPointer<vtkPolyDataMapper>::New();
>  mapper->SetInputConnection(cutter->GetOutputPort());
>  mapper->ScalarVisibilityOn();
>  mapper->Update();
>
>
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