[vtkusers] vtkMarchingCubes working!!

[ejml at iespana.es]

Hi to all te users!!!

The following code belongs to a fragment to visualize
an object using vtkMarchingCubes.


vtkPolyData *source = vtkPolyData :: New();
source->SetPoints(puntos);
   
vtkSurfaceReconstructionFilter *surface =
vtkSurfaceReconstructionFilter :: New();
surface->SetInput(source);

vtkMarchingCubes *isosurface =
vtkMarchingCubes::New();
isosurface->SetInput(surface->GetOutput());
   
vtkPolyDataMapper *isoMapper =
vtkPolyDataMapper::New();
isoMapper->SetInput(isosurface->GetOutput());
    
vtkActor *actor1 = vtkActor::New();
actor1->SetMapper(isoMapper);
actor1->GetProperty()->SetColor(0.6,0.8,0.7);
     
aren->AddActor(actor1);
renWin->Render();

iren->Start();

aren->Delete();
renWin->Delete();
iren->Delete();
actor1->Delete();
isosurface->Delete();
source->Delete();
   
-----

The case is that this is very slow. In concrete for
files with more than 30,000 points it takes of 5 to 6
minutes in representing them in screen. 

some idea to cause that this goes more express?

Thanks to all!!

 
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