MultiBlockMergeFilter

VTKExamples/Cxx/PolyData/MultiBlockMergeFilter

Code

MultiBlockMergeFilter.cxx

#include <vtkVersion.h>
#include <vtkSmartPointer.h>
#include <vtkPoints.h>
#include <vtkPolyData.h>
#include <vtkSphereSource.h>
#include <vtkMultiBlockMergeFilter.h>
#include <vtkMultiBlockDataSet.h>

int main(int, char *[])
{

  vtkSmartPointer<vtkSphereSource> sphereSource1 =
    vtkSmartPointer<vtkSphereSource>::New();
  sphereSource1->Update();

  vtkSmartPointer<vtkSphereSource> sphereSource2 =
    vtkSmartPointer<vtkSphereSource>::New();
  sphereSource2->SetCenter(10,10,10);
  sphereSource2->Update();

  vtkSmartPointer<vtkMultiBlockDataSet> multiBlockDataSet1 =
    vtkSmartPointer<vtkMultiBlockDataSet>::New();
  multiBlockDataSet1->SetNumberOfBlocks(1);
  multiBlockDataSet1->SetBlock(0, sphereSource1->GetOutput());
#if VTK_MAJOR_VERSION <= 5
  multiBlockDataSet1->Update();
#endif

  vtkSmartPointer<vtkMultiBlockDataSet> multiBlockDataSet2 =
    vtkSmartPointer<vtkMultiBlockDataSet>::New();
  multiBlockDataSet2->SetNumberOfBlocks(1);
  multiBlockDataSet2->SetBlock(0, sphereSource2->GetOutput());
#if VTK_MAJOR_VERSION <= 5
  multiBlockDataSet2->Update();
#endif

  vtkSmartPointer<vtkMultiBlockMergeFilter> multiBlockMergeFilter =
      vtkSmartPointer<vtkMultiBlockMergeFilter>::New();
#if VTK_MAJOR_VERSION <= 5
  multiBlockMergeFilter->AddInput(multiBlockDataSet1);
  multiBlockMergeFilter->AddInput(multiBlockDataSet2);
#else
  multiBlockMergeFilter->AddInputData(multiBlockDataSet1);
  multiBlockMergeFilter->AddInputData(multiBlockDataSet2);
#endif
  multiBlockMergeFilter->Update();

  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(MultiBlockMergeFilter)

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

add_executable(MultiBlockMergeFilter MACOSX_BUNDLE MultiBlockMergeFilter.cxx )

target_link_libraries(MultiBlockMergeFilter ${VTK_LIBRARIES})

Download and Build MultiBlockMergeFilter

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

cd MultiBlockMergeFilter/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:

./MultiBlockMergeFilter

WINDOWS USERS

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