# SimplePointsWriter

VTKExamples/Cxx/IO/SimplePointsWriter

### Description

Note: For the opposite operation (reading a points file) see the SimplePointsReader example.

### Code

SimplePointsWriter.cxx

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

    int main(int vtkNotUsed(argc), char* vtkNotUsed(argv)[])
    {
      vtkSmartPointer<vtkSphereSource> sphereSource =
        vtkSmartPointer<vtkSphereSource>::New();
      sphereSource->Update();

      vtkSmartPointer<vtkSimplePointsWriter> writer =
        vtkSmartPointer<vtkSimplePointsWriter>::New();
      writer->SetFileName("test.xyz");
      writer->SetInputConnection(sphereSource->GetOutputPort());
      writer->Write();

      return EXIT_SUCCESS;
    }

### CMakeLists.txt

    cmake_minimum_required(VERSION 2.8)

    PROJECT(SimplePointsWriter)

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

    add_executable(SimplePointsWriter MACOSX_BUNDLE SimplePointsWriter.cxx)

    target_link_libraries(SimplePointsWriter ${VTK_LIBRARIES})

### Download and Build SimplePointsWriter

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

    cd SimplePointsWriter/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:

    ./SimplePointsWriter

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.