VTK/Examples/Cxx/InfoVis/ParallelCoordinatesView

#include <vtkSmartPointer.h>
#include <vtkPolyData.h>
#include <vtkPointData.h>
#include <vtkFloatArray.h>
#include <vtkParallelCoordinatesView.h>
#include <vtkParallelCoordinatesRepresentation.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
 
int main(int, char*[])
{
  vtkSmartPointer<vtkFloatArray> array1 =
    vtkSmartPointer<vtkFloatArray>::New();
  array1->SetName("Array1");
  array1->SetNumberOfComponents(1);
  array1->InsertNextValue(1);
  array1->InsertNextValue(2);
 
  vtkSmartPointer<vtkFloatArray> array2 =
    vtkSmartPointer<vtkFloatArray>::New();
  array2->SetName("Array2");
  array2->SetNumberOfComponents(1);
  array2->InsertNextValue(1);
  array2->InsertNextValue(2);
 
  vtkSmartPointer<vtkPolyData> polydata =
    vtkSmartPointer<vtkPolyData>::New();
  polydata->GetPointData()->AddArray(array1);
  polydata->GetPointData()->AddArray(array2);
 
  // Set up the parallel coordinates Representation to be used in the View
  vtkSmartPointer<vtkParallelCoordinatesRepresentation> rep =
    vtkSmartPointer<vtkParallelCoordinatesRepresentation>::New();
 
#if VTK_MAJOR_VERSION <= 5
  rep->SetInputConnection(polydata->GetProducerPort());
#else
  rep->SetInputData(polydata);
#endif
 
  // List all of the attribute arrays you want plotted in parallel coordinates
  rep->SetInputArrayToProcess(0,0,0,0,"Array1");
  rep->SetInputArrayToProcess(1,0,0,0,"Array2");
 
  rep->SetUseCurves(0);//     # set to 1 to use smooth curves
  rep->SetLineOpacity(0.5);
 
  // Set up the Parallel Coordinates View and hook in the Representation
  vtkSmartPointer<vtkParallelCoordinatesView> view =
    vtkSmartPointer<vtkParallelCoordinatesView>::New();
  view->SetRepresentation(rep);
  view->SetInspectMode(1);
  // Brush Mode determines the type of interaction you perform to select data
  view->SetBrushModeToLasso();
  view->SetBrushOperatorToReplace();
 
  // Set up render window
  view->GetRenderWindow()->SetSize(600,300);
  view->ResetCamera();
  view->Render();
 
  // Start interaction event loop
  view->GetInteractor()->Start();
 
  return EXIT_SUCCESS;
}