[vtkusers] Filter to remove internal structure of a poly data?

[David E DeMarle]

Ah, I thought your data was 3D, not 2D. The DSSF won't help in this case.


David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Tue, Jul 14, 2015 at 8:26 AM, Kilgus, Thomas <t.kilgus at dkfz-heidelberg.de
> wrote:

> Hi David,
>
>
>
> sounds great, but it doesn’t do anything on my data. Do you know how the
> filter works? Attached is my code and a screenshot how my data looks like.
> Any ideas?
>
>
>
> Regards,
>
> Thomas
>
>
>
> Code:
>
>
>
>   std::string inputFilename = “path/to/file”;
>
>   std::string outputFilename = “path/to/save”;
>
>   vtkSmartPointer<vtkXMLPolyDataReader> reader =
>
>       vtkSmartPointer<vtkXMLPolyDataReader>::New();
>
>   reader->SetFileName ( inputFilename.c_str() );
>
>   reader->Update();
>
>
>
>   vtkSmartPointer<vtkDataSetSurfaceFilter> filter =
> vtkSmartPointer<vtkDataSetSurfaceFilter>::New();
>
>   filter->SetInputConnection(reader->GetOutputPort());
>
>   filter->Update();
>
>
>
>   vtkSmartPointer<vtkXMLPolyDataWriter> writer =
> vtkSmartPointer<vtkXMLPolyDataWriter>::New();
>
>   writer->SetInputConnection(filter->GetOutputPort());
>
>   writer->SetFileName(outputFilename.c_str());
>
>   writer->Update();
>
>   writer->Write();
>
>
>
> *Von:* David E DeMarle [mailto:dave.demarle at kitware.com]
> *Gesendet:* Dienstag, 14. Juli 2015 13:37
> *An:* Kilgus, Thomas
> *Cc:* vtkusers at vtk.org
> *Betreff:* Re: [vtkusers] Filter to remove internal structure of a poly
> data?
>
>
>
> Try vtkDataSetSurfaceFilter. It produces the external skin of any dataset
> in the form of a polydata.
>
>
>
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
>
>
> On Tue, Jul 14, 2015 at 5:00 AM, Kilgus, Thomas <
> t.kilgus at dkfz-heidelberg.de> wrote:
>
> Hi everyone,
>
>
>
> I am not sure how to call this, but I was wondering if there is any filter
> (or combination) to remove internal structures of a PolyData? By internal I
> mean stuff that is not visible to the camera, unless you make the surface
> translucent. I know that there is a vtkPolyDataConnectivityFilter which
> works for some uses cases, but my data is connected at some parts. I am not
> even sure if this is possible, but the virtual camera could rotate around
> the object and every cell which is not seen (hit by a ray) could be
> deleted. Is there anything like this in VTK?
>
>
>
> Regards,
>
> Thomas
>
>
>
> Thomas Kilgus
>
> German Cancer Research Center (DKFZ)
>
> Div. Medical and Biological Informatics
>
> Junior group: Computer-assisted Interventions (E131)
>
> Im Neuenheimer Feld 280
>
> 69120 Heidelberg, Germany
>
> Phone: +49(0) 6221-42-3545
>
>
>
>
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