ClosedSurface

VTKExamples/Cxx/PolyData/ClosedSurface

Code

ClosedSurface.cxx

#include <vtkSmartPointer.h>
#include <vtkSphereSource.h>
#include <vtkFeatureEdges.h>

int main(int, char *[])
{
  // Create a sphere
  vtkSmartPointer<vtkSphereSource> sphereSource =
    vtkSmartPointer<vtkSphereSource>::New();
  sphereSource->Update();

  vtkSmartPointer<vtkFeatureEdges> featureEdges =
    vtkSmartPointer<vtkFeatureEdges>::New();
  featureEdges->FeatureEdgesOff();
  featureEdges->BoundaryEdgesOn();
  featureEdges->NonManifoldEdgesOn();
  featureEdges->SetInputConnection(sphereSource->GetOutputPort());
  featureEdges->Update();

  int numberOfOpenEdges = featureEdges->GetOutput()->GetNumberOfCells();

  if(numberOfOpenEdges > 0)
  {
    std::cout << "Surface is not closed" << std::endl;
  }
  else
  {
    std::cout << "Surface is closed" << std::endl;
  }

  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(ClosedSurface)

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

add_executable(ClosedSurface MACOSX_BUNDLE ClosedSurface.cxx )

target_link_libraries(ClosedSurface ${VTK_LIBRARIES})

Download and Build ClosedSurface

Click here to download ClosedSurface and its CMakeLists.txt file. Once the tarball ClosedSurface.tar has been downloaded and extracted,

cd ClosedSurface/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:

./ClosedSurface

WINDOWS USERS

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