DenseArrayRange

#include <vtkSmartPointer.h>
#include <vtkDenseArray.h>
#include <vtkArrayRange.h>

int main(int, char *[])
{
  vtkSmartPointer<vtkDenseArray<double> > array =
      vtkSmartPointer<vtkDenseArray<double> >::New();
  array->Resize(5,1);

  for(unsigned int i = 0; i < 5; i++)
  {
    array->SetValue(i, 0, 2.0);
    double val = array->GetValue(i,0);
    std::cout << "val: " << val << std::endl;
  }

  //int extent = array->GetExtents()[1];
  int dim1start = array->GetExtent(0).GetBegin();
  int dim1end = array->GetExtent(0).GetEnd();
  std::cout << "dim1: " << dim1start << " to " << dim1end << std::endl;
  //int dim2 = array->GetExtent(1)[1];

  return EXIT_SUCCESS;
}

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(DenseArrayRange)

find_package(VTK COMPONENTS 
  vtkCommonCore QUIET)
if (NOT VTK_FOUND)
  message("Skipping DenseArrayRange: ${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(DenseArrayRange MACOSX_BUNDLE DenseArrayRange.cxx )
  target_link_libraries(DenseArrayRange PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(DenseArrayRange MACOSX_BUNDLE DenseArrayRange.cxx )
  target_link_libraries(DenseArrayRange PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS DenseArrayRange
    MODULES ${VTK_LIBRARIES}
    )
endif () 

cd DenseArrayRange/build 

cmake ..

cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

make

./DenseArrayRange