VTK/Examples/Cxx/InfoVis/DelimitedTextWriter

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Is the output of 

"","",""
0,1,2
3,4,5
6,7,8

expected? What is the first line indicating? Simply that there are 3 string fields?

DelimitedTextWriter.cxx

#include <vtkSmartPointer.h>
#include <vtkPolyData.h>
#include <vtkDelimitedTextWriter.h>
#include <vtkSphereSource.h>
#include <vtkVariantArray.h>
#include <vtkTable.h>
 
int main(int argc, char *argv[])
{
  std::string outputFilename = "output.txt";
 
  // Use the specified filename if it is provided
  if(argc == 2)
    {
    outputFilename = argv[1];
    }
 
  // Construct an empty table
  vtkSmartPointer<vtkTable> table = 
    vtkSmartPointer<vtkTable>::New();
 
  for(unsigned int i = 0; i < 3; i++)
    {
    vtkSmartPointer<vtkVariantArray> col = 
      vtkSmartPointer<vtkVariantArray>::New();
 
    col->InsertNextValue ( vtkVariant ( 0.0 ) );
    col->InsertNextValue ( vtkVariant ( 0.0 ) );
    col->InsertNextValue ( vtkVariant ( 0.0 ) );
    table->AddColumn ( col );
    }
 
  // Fill the table with values
  unsigned int counter = 0;
  for(vtkIdType r = 0; r < table->GetNumberOfRows(); r++ )
    {
    for(vtkIdType c = 0; c < table->GetNumberOfColumns(); c++ )
      {
      table->SetValue ( r,c, vtkVariant ( counter ) );
      counter++;
      }
    }
 
  vtkSmartPointer<vtkDelimitedTextWriter> writer = 
    vtkSmartPointer<vtkDelimitedTextWriter>::New();
  writer->SetFileName(outputFilename.c_str());
#if VTK_MAJOR_VERSION <= 5
  writer->SetInputConnection(table->GetProducerPort());
#else
  writer->SetInputData(table);
#endif
  writer->Write();
 
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)
 
PROJECT(DelimitedTextWriter)
 
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
 
if (APPLE)
  add_executable(DelimitedTextWriter MACOSX_BUNDLE DelimitedTextWriter.cxx)
else()
  add_executable(DelimitedTextWriter DelimitedTextWriter.cxx)
endif()
 
if(VTK_LIBRARIES)
  target_link_libraries(DelimitedTextWriter ${VTK_LIBRARIES})
else()
  target_link_libraries(DelimitedTextWriter vtkHybrid )
endif()
Retrieved from "http://www.vtk.org/Wiki/VTK/Examples/Cxx/InfoVis/DelimitedTextWriter"
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