[vtkusers] points render

[Gonzalo Amadio]

What is wrong in this example? . I want to render the 2 points but I can't
see them.


#include <vtkVersion.h>
#include <vtkPolyData.h>
#include <vtkPointData.h>
#include <vtkCubeSource.h>
#include <vtkSmartPointer.h>
#include <vtkSelectEnclosedPoints.h>
#include <vtkIntArray.h>
#include <vtkDataArray.h>
#include <vtkProperty.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>



int main(int, char *argv[])
{

  double testInside[3] = {0.0, 0.0, 0.0};
  double testOutside[3] = {0.5, 0.0, 0.0};
  vtkSmartPointer<vtkPoints> points =
    vtkSmartPointer<vtkPoints>::New();
  points->InsertNextPoint(testInside);
  points->InsertNextPoint(testOutside);

  vtkSmartPointer<vtkPolyData> pointsPolydata =
    vtkSmartPointer<vtkPolyData>::New();
  pointsPolydata->SetPoints(points);

 vtkSmartPointer<vtkPolyDataMapper> mapper =
    vtkSmartPointer<vtkPolyDataMapper>::New();
#if VTK_MAJOR_VERSION <= 5
  mapper->SetInputConnection(pointsPolydata->GetProducerPort());
#else
  mapper->SetInputData(pointsPolydata);
#endif
  vtkSmartPointer<vtkActor> actor =
    vtkSmartPointer<vtkActor>::New();
  actor->SetMapper(mapper);

  //Create a renderer, render window, and interactor
  vtkSmartPointer<vtkRenderer> renderer =
    vtkSmartPointer<vtkRenderer>::New();
  vtkSmartPointer<vtkRenderWindow> renderWindow =
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor->SetRenderWindow(renderWindow);

  // Add the actor to the scene
  //renderer->AddActor(actor);
  renderer->AddViewProp(actor);
  renderer->SetBackground(.1, .3,.2); // Background color dark green

  // Render and interact
  renderWindow->SetWindowName(argv[0]);
  renderWindow->Render();
  renderWindowInteractor->Start();

  return EXIT_SUCCESS;
}

-- 
--------
Gonzalo Amadio
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