text: /*=========================================================================
  
    Program:   Visualization Toolkit
    Module:    TestAssignCoordinates.cxx
  
    Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
    All rights reserved.
    See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
  
       This software is distributed WITHOUT ANY WARRANTY; without even
       the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
       PURPOSE.  See the above copyright notice for more information.
  
  =========================================================================*/
  /*-------------------------------------------------------------------------
    Copyright 2008 Sandia Corporation.
    Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
    the U.S. Government retains certain rights in this software.
  -------------------------------------------------------------------------*/
  
  #include "vtkAssignCoordinates.h"
  #include "vtkDataSetAttributes.h"
  #include "vtkDoubleArray.h"
  #include "vtkGraphMapper.h"
  #include "vtkMutableDirectedGraph.h"
  #include "vtkRegressionTestImage.h"
  #include "vtkRenderer.h"
  #include "vtkRenderWindow.h"
  #include "vtkRenderWindowInteractor.h"
  #include "vtkSmartPointer.h"
  #include "vtkSmartPointer.h"
  
  #define VTK_CREATE(type, name) \
    vtkSmartPointer<type> name = vtkSmartPointer<type>::New()
  
  int TestAssignCoordinates(int argc, char *argv[])
  {
    cerr << "Generating graph ..." << endl;
    VTK_CREATE(vtkMutableDirectedGraph, g);
    VTK_CREATE(vtkDoubleArray, x);
    x->SetName("x");
    VTK_CREATE(vtkDoubleArray, y);
    y->SetName("y");
    VTK_CREATE(vtkDoubleArray, z);
    z->SetName("z");
    for (vtkIdType i = 0; i < 10; ++i)
      {
      for (vtkIdType j = 0; j < 10; ++j)
        {
        g->AddVertex();
        x->InsertNextValue(i);
        y->InsertNextValue(j);
        z->InsertNextValue(1);
        }
      }
    g->GetVertexData()->AddArray(x);
    g->GetVertexData()->AddArray(y);
    g->GetVertexData()->AddArray(z);
    cerr << "... done" << endl;
  
    cerr << "Sending graph through vtkAssignCoordinates ..." << endl;
    VTK_CREATE(vtkAssignCoordinates, assign);
    assign->SetInput(g);
    assign->SetXCoordArrayName("x");
    assign->SetYCoordArrayName("y");
    assign->SetZCoordArrayName("z");
    assign->Update();
    cerr << "... done" << endl;
  
    VTK_CREATE(vtkGraphMapper, mapper);
    mapper->SetInputConnection(assign->GetOutputPort());
    VTK_CREATE(vtkActor, actor);
    actor->SetMapper(mapper);
    VTK_CREATE(vtkRenderer, ren);
    ren->AddActor(actor);
    VTK_CREATE(vtkRenderWindowInteractor, iren);
    VTK_CREATE(vtkRenderWindow, win);
    win->AddRenderer(ren);
    win->SetInteractor(iren);
  
    int retVal = vtkRegressionTestImage(win);
    if (retVal == vtkRegressionTester::DO_INTERACTOR)
      {
      iren->Initialize();
      iren->Start();
      
      retVal = vtkRegressionTester::PASSED;
      }
  
    return !retVal;
  }
  