[vtkusers] Weird Bounds after vtkCutter

[Cory Quammen]

Romain,

I don't see anything wrong with the code you posted. Could you post a
complete example that can be compiled and tested and which shows your
problem?

I tried using your cutter code with a vtkSphereSource instead of an OBJ
reader and it seemed to work fine.

Thanks,
Cory

On Tue, Nov 3, 2015 at 4:09 AM, Romain LEGUAY <romain.leguay at gmail.com>
wrote:

> Hello everyone,
>
> I applied the filter vtkCutter to a mesh and I want to get the bounds of
> the result contours.
>
> The bounds of the mesh seem goods.
>
> When I display the vtkCutter output result, I see the expected result but
> I obtained those bound values: xmin = ymin = zmin = 1.0, and xmax = ymax =
> zmax = -1.0.
>
> I don't understand what I did wrong in my code:
>
> // Create a plane of the current Y-axis
> vtkSmartPointer<vtkPlane> plane = vtkSmartPointer<vtkPlane>::New();
> plane->SetOrigin(0,0,0);
> plane->SetNormal(0,1,0);
> // Cut the mesh -> contours creation
> vtkSmartPointer<vtkCutter> cutter = vtkSmartPointer<vtkCutter>::New();
> cutter->SetCutFunction(plane);
> cutter->SetInputConnection(readerOBJ->GetOutputPort());
> cutter->Update();
>
> double boundsCutter[6];
> cutter->GetOutput()->GetBounds(boundsCutter); // [1.0, -1.0, 1.0, -1.0,
> 1.0, -1.0]
>
>
> Do I need to do another update?
>
> Thank you,
>
> Romain
>
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-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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