ArrayToTable

Repository source: ArrayToTable

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Question

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Code¶

ArrayToTable.cxx

#include <vtkArrayData.h>
#include <vtkArrayToTable.h>
#include <vtkDenseArray.h>
#include <vtkNew.h>
#include <vtkTable.h>

int main(int, char*[])
{
  vtkNew<vtkDenseArray<int>> array;
  array->Resize(2, 4);

  // set values
  std::cout << "There are " << array->GetExtents()[0].GetEnd() << std::endl;
  std::cout << "There are " << array->GetExtents()[1].GetEnd() << std::endl;

  for (vtkIdType i = 0; i < array->GetExtents()[0].GetEnd(); i++)
  {
    for (vtkIdType j = 0; j < array->GetExtents()[1].GetEnd(); j++)
    {
      array->SetValue(i, j, i + j);
    }
  }

  vtkNew<vtkArrayData> arrayData;
  arrayData->AddArray(array);

  vtkNew<vtkArrayToTable> arrayToTable;
  arrayToTable->SetInputData(arrayData);
  arrayToTable->Update();

  auto table = arrayToTable->GetOutput();
  table->Dump();

  return EXIT_SUCCESS;
}

CMakeLists.txt¶

cmake_minimum_required(VERSION 3.12 FATAL_ERROR)

project(ArrayToTable)

find_package(VTK COMPONENTS 
  CommonCore
  CommonDataModel
  InfovisCore
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "ArrayToTable: Unable to find the VTK build folder.")
endif()

# Prevent a "command line is too long" failure in Windows.
set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
add_executable(ArrayToTable MACOSX_BUNDLE ArrayToTable.cxx )
  target_link_libraries(ArrayToTable PRIVATE ${VTK_LIBRARIES}
)
# vtk_module_autoinit is needed
vtk_module_autoinit(
  TARGETS ArrayToTable
  MODULES ${VTK_LIBRARIES}
)

Download and Build ArrayToTable¶

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

cd ArrayToTable/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:

./ArrayToTable

WINDOWS USERS

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