#include <vtkRenderWindowInteractor.h>
#include <vtkImageViewer.h>
#include <vtkStructuredPoints.h>
#include <vtkStructuredPointsWriter.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkImageViewer.h>
#include <vtkStructuredPoints.h>
#include <vtkStructuredPointsWriter.h>