[vtkusers] vtkDICOMImageReader -> vtkCutter -> vtkMarchingCubes

[KS Jothybasu]

Thanks Jinyoung!

I wish all the vtkusers list members a  Merry Christmas and a very happy New
Year!

Best regards

Jothy

On Thu, Dec 24, 2009 at 10:09 AM, KS Jothybasu <jothybasu at gmail.com> wrote:

> 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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