[vtkusers] Enumerating of VTK class output

[Alex Farber]

Thank you, I will try this.

Sylvain Jaume <sylvain.jaume at kitware.com> wrote:Hi Alex,

Try this:

int i, npts, *pts;

data->GetPolys()->InitTraversal();

while ( data->GetPolys()->GetNextCell(npts,pts) )
{
cout << "this cell has points";
for (i=0; i {
cout << " " << pts[i];
}
cout << "\n";
}

Best,
Sylvain

Alex Farber wrote:

> I want to enumerate VTK class output for some purposes (for example, 
> to render this output using my own OpenGL code), instead of using VTK 
> rendering classes. For example:
> 
> vtkConeSource *cone = vtkConeSource::New();
> cone->SetHeight( 3.0 );
> cone->SetRadius( 1.0 );
> cone->SetResolution( 10 );
> 
> vtkPolyData* data = cone->GetOutput();
> 
> How can I enumerate through data cells and extract information from them?
> 
> Thanks.
>
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