Add a test for the VPIC reader

Thanks Vadim Roytershtey and Homa Karimabadi for the test data set.
Test only enabled with VTK_USE_LARGE_DATA = ON

Change-Id: Ic04681dbffcc57ed27377ca5f3cae015249a7308

IO/VPIC/Testing/Cxx/CMakeLists.txt

+if(VTK_USE_LARGE_DATA)
+  # Tell ExternalData to fetch test input at build time.
+  ExternalData_Expand_Arguments(VTKData _
+    "DATA{${VTK_TEST_INPUT_DIR}/VPIC/global.vpc}"
+    "DATA{${VTK_TEST_INPUT_DIR}/VPIC/fields/T.0/,REGEX:.*}"
+    "DATA{${VTK_TEST_INPUT_DIR}/VPIC/fields/T.100/,REGEX:.*}"
+    "DATA{${VTK_TEST_INPUT_DIR}/VPIC/hydro/T.0/,REGEX:.*}"
+    "DATA{${VTK_TEST_INPUT_DIR}/VPIC/hydro/T.100/,REGEX:.*}"
+    )
+
+  vtk_add_test_cxx(
+    TestVPICReader.cxx
+    )
+endif()
+
+vtk_test_cxx_executable(${vtk-module}CxxTests)

IO/VPIC/Testing/Cxx/TestVPICReader.cxx

+/*=========================================================================
+
+  Program:   Visualization Toolkit
+  Module:    TestPLYReader.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.
+
+=========================================================================*/
+// .NAME Test of vtkVPICReader
+// .SECTION Description
+// Tests the vtkVPICReader.
+
+#include "vtkVPICReader.h"
+#include "vtkDebugLeaks.h"
+
+#include "vtkActor.h"
+#include "vtkCamera.h"
+#include "vtkDataSetSurfaceFilter.h"
+#include "vtkLookupTable.h"
+#include "vtkPolyDataMapper.h"
+#include "vtkRenderer.h"
+#include "vtkRenderWindow.h"
+#include "vtkRenderWindowInteractor.h"
+#include "vtkRegressionTestImage.h"
+#include "vtkTestUtilities.h"
+
+#include "vtkWindowToImageFilter.h"
+#include "vtkPNGWriter.h"
+
+#include "vtkNew.h"
+
+int TestVPICReader( int argc, char *argv[] )
+{
+  // Read file name.
+  char* fname = vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/VPIC/global.vpc");
+
+  // Create the reader.
+  vtkNew<vtkVPICReader> reader;
+  reader->SetFileName(fname);
+  reader->EnableAllPointArrays();
+  reader->Update();
+  delete [] fname;
+
+  vtkNew<vtkDataSetSurfaceFilter> geom1;
+  geom1->SetInputConnection(0, reader->GetOutputPort(0));
+
+  // Create a mapper.
+  vtkNew<vtkPolyDataMapper> mapper;
+  mapper->SetInputConnection(geom1->GetOutputPort());
+  mapper->SetScalarModeToUsePointFieldData();
+  mapper->SelectColorArray("Charge Density(Hhydro)");
+  mapper->SetScalarRange(0.06743, 1.197);
+
+  // Create the actor.
+  vtkNew<vtkActor> actor;
+  actor->SetMapper(mapper.GetPointer());
+
+  // Basic visualisation.
+  vtkNew<vtkRenderWindow> renWin;
+  vtkNew<vtkRenderer> ren;
+  vtkNew<vtkRenderWindowInteractor> iren;
+
+  renWin->AddRenderer(ren.GetPointer());
+  iren->SetRenderWindow(renWin.GetPointer());
+
+  ren->AddActor(actor.GetPointer());
+
+  ren->SetBackground(0,0,0);
+  renWin->SetSize(300,300);
+
+  // interact with data
+  renWin->Render();
+  ren->GetActiveCamera()->Roll(45);
+  ren->GetActiveCamera()->Azimuth(45);
+  renWin->Render();
+
+  int retVal = vtkRegressionTestImage( renWin.GetPointer() );
+
+  if ( retVal == vtkRegressionTester::DO_INTERACTOR)
+    {
+    iren->Start();
+    }
+  return !retVal;
+}

IO/VPIC/Testing/Data/Baseline/TestVPICReader.png.md5

+accade8c6ba5adbeb9188a1791821beb

IO/VPIC/module.cmake

@@ -3,4 +3,8 @@ vtk_module(vtkIOVPIC
     vtkVPIC
     vtkCommonExecutionModel
     vtkParallelCore
+  TEST_DEPENDS
+    vtkRenderingOpenGL
+    vtkTestingRendering
+    vtkInteractionStyle
   )

IO/VPIC/vtkVPICReader.cxx

@@ -93,6 +93,8 @@ vtkVPICReader::vtkVPICReader()
     this->Rank = 0;
     this->TotalRank = 1;
     }
+
+  this->UsedRank = 0;
 }
 
 //----------------------------------------------------------------------------

Testing/Data/VPIC/fields/T.0/fields.0.0.md5

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Testing/Data/VPIC/fields/T.0/fields.0.1.md5

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Testing/Data/VPIC/fields/T.0/fields.0.2.md5

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Testing/Data/VPIC/fields/T.0/fields.0.3.md5

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Testing/Data/VPIC/fields/T.0/fields.0.4.md5

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Testing/Data/VPIC/fields/T.0/fields.0.5.md5

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Testing/Data/VPIC/fields/T.0/fields.0.6.md5

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Testing/Data/VPIC/fields/T.0/fields.0.7.md5

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Testing/Data/VPIC/fields/T.100/fields.100.0.md5

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Testing/Data/VPIC/fields/T.100/fields.100.1.md5

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Testing/Data/VPIC/fields/T.100/fields.100.2.md5

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Testing/Data/VPIC/fields/T.100/fields.100.3.md5

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Testing/Data/VPIC/fields/T.100/fields.100.4.md5

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Testing/Data/VPIC/fields/T.100/fields.100.5.md5

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Testing/Data/VPIC/fields/T.100/fields.100.6.md5

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