[vtkusers] two question, please advice

[Ali Habib]

I want to take the volume and apply Delaunary3D on it and vtkstripper to
create mesh

--- about the second question

I have the sphere (vtksphere), I want to create mesh on it (tetrahedral) so
I applied vtkstripper, then vtkDelaunary3D . it give the error under it

I rewrite the code without gcnewvtkSphereSource *sphere =
vtkSphereSource::NEW();
vtkSphereSource *sphere = vtkSphereSource::NEW();
     sphere->SetRadius(1.0);
     sphere->SetThetaResolution(18);
     sphere->SetPhiResolution(18);

   vtkStripper *v = vtkStripper::NEW();
   v->SetInputConnection(sphere->GetOutputPort());
   v->Update();

   vtkDelaunay3D *v3 = vtkDelaunay3D::NEW();
   v3->SetInputConnection(v->GetOutputPort());
   v3->Update();
   vtkDataSetMapper *mapper = vtkDataSetMapper::NEW();
   mapper->SetInputConnection(v3->GetOutputPort());

   vtkActor *triangulation = vtkActor::NEW();
   triangulation->SetMapper(mapper);
      triangulation->GetProperty()->SetRepresentationToWireframe();

   // Create the standard rendering stuff.
   vtkRenderer *ren1 = vtkRenderer::NEW();
   vtkRenderWindow *renWin = vtkRenderWindow::NEW();
   renWin->AddRenderer(ren1);
   vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::NEW();
   iren->SetRenderWindow(renWin);
   // Add the actors to the renderer, set the background and size
   //
   ren1->AddActor(triangulation);
   ren1->SetBackground(1, 1, 1);
   renWin->SetSize(300, 300);
   renWin->Render();
   renWin->Render();
   iren->Initialize();
   iren->Start();
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