VTK/Examples/Cxx/InfoVis/PassThrough

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PassThrough.cxx

#include <vtkSmartPointer.h>
#include <vtkSphereSource.h>
#include <vtkPolyData.h>
#include <vtkPassThrough.h>
 
int main(int, char *[])
{
  // Create a sphere
  vtkSmartPointer<vtkSphereSource> sphereSource = 
    vtkSmartPointer<vtkSphereSource>::New();
  sphereSource->Update();
 
  std::cout << "Points before: " << sphereSource->GetOutput()->GetNumberOfPoints() << std::endl;
 
  vtkSmartPointer<vtkPassThrough> passThrough = 
    vtkSmartPointer<vtkPassThrough>::New();
  passThrough->SetInputConnection(sphereSource->GetOutputPort());
  passThrough->Update();
 
  vtkSmartPointer<vtkPolyData> output = vtkPolyData::SafeDownCast(passThrough->GetOutput());
 
  std::cout << "Points after: " << output->GetNumberOfPoints() << std::endl;
 
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
PROJECT(PassThrough)
 
FIND_PACKAGE(VTK REQUIRED)
INCLUDE(${VTK_USE_FILE})
 
ADD_EXECUTABLE(PassThrough PassThrough.cxx)
TARGET_LINK_LIBRARIES(PassThrough vtkHybrid vtkInfovis)
Retrieved from "http://www.vtk.org/Wiki/VTK/Examples/Cxx/InfoVis/PassThrough"
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