ShallowCopy

VTKExamples/Cxx/Utilities/ShallowCopy

Question

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Code

ShallowCopy.cxx

#include <vtkPolyData.h>
#include <vtkSmartPointer.h>

int main(int, char *[])
{
  vtkSmartPointer<vtkPolyData> polydata = vtkSmartPointer<vtkPolyData>::New();

  vtkSmartPointer<vtkPolyData> polydataCopy = vtkSmartPointer<vtkPolyData>::New();

  polydataCopy->ShallowCopy(polydata);

  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(ShallowCopy)

find_package(VTK COMPONENTS 
  vtkCommonCore
  vtkCommonDataModel QUIET)
if (NOT VTK_FOUND)
  message("Skipping ShallowCopy: ${VTK_NOT_FOUND_MESSAGE}")
  return ()
endif()
message (STATUS "VTK_VERSION: ${VTK_VERSION}")
if (VTK_VERSION VERSION_LESS "8.90.0")
  # old system
  include(${VTK_USE_FILE})
  add_executable(ShallowCopy MACOSX_BUNDLE ShallowCopy.cxx )
  target_link_libraries(ShallowCopy PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(ShallowCopy MACOSX_BUNDLE ShallowCopy.cxx )
  target_link_libraries(ShallowCopy PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS ShallowCopy
    MODULES ${VTK_LIBRARIES}
    )
endif ()

Download and Build ShallowCopy

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

cd ShallowCopy/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:

./ShallowCopy

WINDOWS USERS

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