VTK/Examples/Cxx/PolyData/ShrinkPolyData

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ShrinkPolyData.cxx

#include <vtkSmartPointer.h>
#include <vtkPolyData.h>
#include <vtkSphereSource.h>
#include <vtkShrinkPolyData.h>
#include <vtkXMLPolyDataWriter.h>

int main(int, char *[])
{
  vtkSmartPointer<vtkSphereSource> sphereSource = 
      vtkSmartPointer<vtkSphereSource>::New();
  sphereSource->SetRadius(10);
  sphereSource->SetPhiResolution(50);
  sphereSource->SetThetaResolution(50);
  sphereSource->Update();

  {
  vtkSmartPointer<vtkXMLPolyDataWriter> writer = 
    vtkSmartPointer<vtkXMLPolyDataWriter>::New();
  writer->SetFileName("sphere.vtp");
  writer->SetInputConnection(sphereSource->GetOutputPort());
  writer->Write();
  }

  vtkSmartPointer<vtkShrinkPolyData> shrinkFilter =
      vtkSmartPointer<vtkShrinkPolyData>::New();
  shrinkFilter->SetInputConnection(sphereSource->GetOutputPort());
  shrinkFilter->Update();
  
  vtkSmartPointer<vtkXMLPolyDataWriter> writer = 
      vtkSmartPointer<vtkXMLPolyDataWriter>::New();
  writer->SetFileName("output.vtp");
  writer->SetInputConnection(shrinkFilter->GetOutputPort());
  writer->Write();
  
  return EXIT_SUCCESS;
}


Please try the new VTKExamples website.

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(ShrinkPolyData)

find_package(VTK REQUIRED)
include(${VTK_USE_FILE})

add_executable(ShrinkPolyData MACOSX_BUNDLE ShrinkPolyData.cxx)

if(VTK_LIBRARIES)
  target_link_libraries(ShrinkPolyData ${VTK_LIBRARIES})
else()
  target_link_libraries(ShrinkPolyData vtkHybrid vtkWidgets)
endif()

Download and Build ShrinkPolyData

Click here to download ShrinkPolyData. and its CMakeLists.txt file.

Once the tarball ShrinkPolyData.tar has been downloaded and extracted,

cd ShrinkPolyData/build 
  • If VTK is installed:
cmake ..
  • If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

Build the project:

make

and run it:

./ShrinkPolyData

WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.