[vtkusers] Clipping objects

[Bill Lorensen]

Where is your plane located WRT your polydata?

On Wed, Sep 19, 2012 at 4:53 PM, Yunier López Martinez <
ylopez at estudiantes.uci.cu> wrote:

> Hello, I'm trying to make a clipping to all objects that are in the scene
> with the same clip function...
>
> This is the code I have so far:
>
>     vtkPointSource *points = vtkPointSource::New();
>     points->SetNumberOfPoints(500);
>     vtkPolyDataMapper *pmapper = vtkPolyDataMapper::New();
>     pmapper->SetInputConnection(points->GetOutputPort());
>
>     //vtkActor *pactor = vtkActor::New();
>     //pactor->SetMapper(pmapper);
>     //pactor->GetProperty()->SetColor(1,0,0);
>
>     vtkCubeSource *cube = vtkCubeSource::New();
>     vtkPolyDataMapper *cmapper = vtkPolyDataMapper::New();
>     cmapper->SetInputConnection(cube->GetOutputPort());
>
>     //vtkActor *cactor = vtkActor::New();
>     //cactor->SetMapper(cmapper);
>     //cactor->GetProperty()->SetColor(1,1,0);
>
>     vtkPolyDataAlgorithm *all = vtkPolyDataAlgorithm::New();
>     all->AddInputConnection(points->GetOutputPort());
>     all->AddInputConnection(points1->GetOutputPort());
>
>     vtkPlane* plane = vtkPlane::New();
>     vtkClipPolyData *clip = vtkClipPolyData::New();
>     clip->SetClipFunction(plane);
>     clip->InsideOutOn();
>     clip->SetInputConnection(all->GetOutputPort());
>     vtkPolyDataMapper *mapper = vtkPolyDataMapper::New();
>     mapper->SetInputConnection(clip->GetOutputPort());
>     vtkActor *actor = vtkActor::New();
>     actor->SetMapper(mapper);
>
>
>     //renderer->AddActor(pactor); This does work, but it shows the object
> without clipping (logically)
>     //renderer->AddActor(cactor);  ||
>     renderer->AddActor(actor);  -----nothing happens with this
>
> I want to clarify that I can do the clipping to a single object
> successfully, even I can do multiple clipping to the same object
>
>   <http://www.uci.cu/>
>
>
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-- 
Unpaid intern in BillsBasement at noware dot com
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