Difference between revisions of "VTK/Examples/Cxx/PolyData/CellCenters"

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(Replaced content with "= '''See [https://lorensen.github.io/VTKExamples/site/Cxx/PolyData/CellCenters CellCenters] on the new [https://lorensen.github.io/VTKExamples/site/ VTKExamples website].'...")
 
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<div class="floatright">[[File:VTK_Examples_Baseline_PolyData_TestCellCenters.png]]</div>
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= '''See [https://lorensen.github.io/VTKExamples/site/Cxx/PolyData/CellCenters CellCenters] on the new [https://lorensen.github.io/VTKExamples/site/ VTKExamples website].''' =
==CellCenters.cxx==
 
<source lang="cpp">
 
#include <vtkVersion.h>
 
#include <vtkSmartPointer.h>
 
#include <vtkImageData.h>
 
#include <vtkProperty.h>
 
#include <vtkCellCenters.h>
 
#include <vtkDataSetMapper.h>
 
#include <vtkActor.h>
 
#include <vtkRenderWindow.h>
 
#include <vtkRenderer.h>
 
#include <vtkRenderWindowInteractor.h>
 
 
 
int main(int, char *[])
 
{
 
  // Create an image data
 
  vtkSmartPointer<vtkImageData> imageData =
 
    vtkSmartPointer<vtkImageData>::New();
 
 
 
  // Specify the size of the image data
 
  imageData->SetDimensions(3,3,2);
 
  imageData->SetSpacing(1.0, 1.0, 1.0);
 
  imageData->SetOrigin(0.0, 0.0, 0.0);
 
 
 
  vtkSmartPointer<vtkCellCenters> cellCentersFilter =
 
    vtkSmartPointer<vtkCellCenters>::New();
 
#if VTK_MAJOR_VERSION <= 5
 
  cellCentersFilter->SetInputConnection(imageData->GetProducerPort());
 
#else
 
  cellCentersFilter->SetInputData(imageData);
 
#endif
 
  cellCentersFilter->VertexCellsOn();
 
  cellCentersFilter->Update();
 
 
 
  // Access the cell centers
 
  for(vtkIdType i = 0; i < cellCentersFilter->GetOutput()->GetNumberOfPoints(); i++)
 
    {
 
    double p[3];
 
    cellCentersFilter->GetOutput()->GetPoint(i, p);
 
    cout << "Point " << i << " : " << p[0] << " , " << p[1] << " , " << p[2] << endl;
 
    }
 
 
 
  // Display the cell centers
 
  vtkSmartPointer<vtkDataSetMapper> centerMapper =  
 
    vtkSmartPointer<vtkDataSetMapper>::New();
 
  centerMapper->SetInputConnection(cellCentersFilter->GetOutputPort());
 
  vtkSmartPointer<vtkActor> centerActor =
 
    vtkSmartPointer<vtkActor>::New();
 
  centerActor->SetMapper(centerMapper);
 
 
 
  vtkSmartPointer<vtkDataSetMapper> mapper =
 
    vtkSmartPointer<vtkDataSetMapper>::New();
 
#if VTK_MAJOR_VERSION <= 5
 
  mapper->SetInputConnection(imageData->GetProducerPort());
 
#else
 
  mapper->SetInputData(imageData);
 
#endif
 
  vtkSmartPointer<vtkActor> actor =
 
    vtkSmartPointer<vtkActor>::New();
 
  actor->SetMapper(mapper);
 
  actor->GetProperty()->SetRepresentationToWireframe();
 
   
 
  vtkSmartPointer<vtkRenderWindow> renderWindow =
 
    vtkSmartPointer<vtkRenderWindow>::New();
 
 
 
  vtkSmartPointer<vtkRenderer> renderer =
 
    vtkSmartPointer<vtkRenderer>::New();
 
 
 
  renderWindow->AddRenderer(renderer);
 
 
 
  renderer->AddActor(actor);
 
  renderer->AddActor(centerActor);
 
 
 
  renderer->ResetCamera();
 
 
 
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
 
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
 
  renderWindowInteractor->SetRenderWindow(renderWindow);
 
  renderWindow->Render();
 
  renderWindowInteractor->Start();
 
 
 
  return EXIT_SUCCESS;
 
}
 
 
 
</source>
 
 
 
{{VTKCMakeLists|{{SUBPAGENAME}}}}
 

Latest revision as of 15:13, 9 September 2019

See CellCenters on the new VTKExamples website.