CellCenters.tar

CellCenters/0000755000076500000240000000000013424703035014232 5ustar  lorensenstaff00000000000000CellCenters/CMakeLists.txt0000644000076500000240000000156513424703035017001 0ustar  lorensenstaff00000000000000
cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(CellCenters)

find_package(VTK COMPONENTS 
  vtkCommonCore
  vtkCommonDataModel
  vtkFiltersGeneral
  vtkInteractionStyle
  vtkRenderingCore
  vtkRenderingFreeType
  vtkRenderingOpenGL2 QUIET)
if (NOT VTK_FOUND)
  message("Skipping CellCenters: ${VTK_NOT_FOUND_MESSAGE}")
  return ()
endif()
message (STATUS "VTK_VERSION: ${VTK_VERSION}")
if (VTK_VERSION VERSION_LESS "8.90.0")
  # old system
  include(${VTK_USE_FILE})
  add_executable(CellCenters MACOSX_BUNDLE CellCenters.cxx )
  target_link_libraries(CellCenters PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(CellCenters MACOSX_BUNDLE CellCenters.cxx )
  target_link_libraries(CellCenters PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS CellCenters
    MODULES ${VTK_LIBRARIES}
    )
endif () 
CellCenters/CellCenters.java0000644000076500000240000000472513424703035017310 0ustar  lorensenstaff00000000000000import vtk.vtkActor;
import vtk.vtkNativeLibrary;
import vtk.vtkRenderWindow;
import vtk.vtkRenderWindowInteractor;
import vtk.vtkRenderer;
import vtk.vtkImageData;
import vtk.vtkCellCenters;
import vtk.vtkDataSetMapper;


public class CellCenters 
{
  // -----------------------------------------------------------------
  // Load VTK library and print which library was not properly loaded
  static 
  {
    if (!vtkNativeLibrary.LoadAllNativeLibraries()) 
    {
      for (vtkNativeLibrary lib : vtkNativeLibrary.values()) 
      {
        if (!lib.IsLoaded()) 
        {
          System.out.println(lib.GetLibraryName() + " not loaded");
        }
      }
    }
    vtkNativeLibrary.DisableOutputWindow(null);
  }
  // -----------------------------------------------------------------

  public static void main(String args[]) 
  {  
    // Create an image data
    vtkImageData imageData = new vtkImageData();

    // 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);

    vtkCellCenters cellCentersFilter = new vtkCellCenters();
    cellCentersFilter.SetInputData(imageData);
    cellCentersFilter.VertexCellsOn();
    cellCentersFilter.Update();
    
    // Access the cell centers
    for(int i = 0; i < cellCentersFilter.GetOutput().GetNumberOfPoints(); i++)
    {
      double p[] = new double[3];
      cellCentersFilter.GetOutput().GetPoint(i, p);
      System.out.print("Point " + " " + i + " : " + " " +  p[0] + " , " + p[1] + " , " + p[2] + "\n"); 
    }
    
    // Display the cell centers
    vtkDataSetMapper centerMapper = new vtkDataSetMapper();
    centerMapper.SetInputConnection(cellCentersFilter.GetOutputPort());
    
    vtkActor centerActor = new vtkActor();
    centerActor.SetMapper(centerMapper);

    vtkDataSetMapper mapper = new vtkDataSetMapper();
    mapper.SetInputData(imageData);

    vtkActor actor = new vtkActor();
    actor.SetMapper(mapper);
    actor.GetProperty().SetRepresentationToWireframe();

    // Create the renderer, render window and interactor.
    vtkRenderer ren = new vtkRenderer();
    vtkRenderWindow renWin = new vtkRenderWindow();
    renWin.AddRenderer(ren);
    vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor();
    iren.SetRenderWindow(renWin);
    
    // Visualize
    ren.AddActor(actor);
    ren.AddActor(centerActor);
	    
    renWin.SetSize(300, 300);
    renWin.Render();
    
    iren.Initialize();
    iren.Start();
  }
}
CellCenters/build/0000755000076500000240000000000013424703035015331 5ustar  lorensenstaff00000000000000CellCenters/CellCenters.cxx0000644000076500000240000000426413424703035017167 0ustar  lorensenstaff00000000000000#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();
  cellCentersFilter->SetInputData(imageData);
  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();
  mapper->SetInputData(imageData);

  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;
}