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/*=========================================================================
Program: Visualization Toolkit
Module: otherPolyData.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
// .SECTION Description
// this program tests vtkPolyData
#include "vtkCellArray.h"
#include "vtkCellData.h"
#include "vtkDataSetAttributes.h"
#include "vtkIdList.h"
#include "vtkIdTypeArray.h"
#include "vtkLogger.h"
#include "vtkNew.h"
#include "vtkPointData.h"
#include "vtkPoints.h"
#include "vtkPolyData.h"
#include "vtkUnsignedCharArray.h"
namespace
{
//------------------------------------------------------------------------------
bool TestRemoveGhostCells()
{
vtkNew<vtkPolyData> pd;
pd->SetVerts(vtkNew<vtkCellArray>());
pd->SetLines(vtkNew<vtkCellArray>());
pd->SetPolys(vtkNew<vtkCellArray>());
pd->SetStrips(vtkNew<vtkCellArray>());
vtkNew<vtkPoints> points;
vtkNew<vtkIdList> pointIds;
vtkNew<vtkUnsignedCharArray> ghosts;
vtkNew<vtkIdTypeArray> ids;
ghosts->SetName(vtkDataSetAttributes::GhostArrayName());
ids->SetName("Ids");
double p[3] = { 0.0, 0.0, 0.0 };
points->SetNumberOfPoints(5);
points->SetPoint(0, p);
p[0] = -1.0;
points->SetPoint(1, p);
p[0] = 1.0;
points->SetPoint(2, p);
p[1] = 1.0;
points->SetPoint(3, p);
p[2] = 1.0;
points->SetPoint(4, p);
pd->SetPoints(points);
pointIds->SetNumberOfIds(1);
pointIds->SetId(0, 0);
ghosts->InsertNextValue(vtkDataSetAttributes::DUPLICATECELL);
pd->InsertNextCell(VTK_VERTEX, pointIds);
pointIds->SetId(0, 1);
ghosts->InsertNextValue(0);
pd->InsertNextCell(VTK_VERTEX, pointIds);
pointIds->SetNumberOfIds(2);
pointIds->SetId(0, 3);
pointIds->SetId(1, 1);
ghosts->InsertNextValue(0);
pd->InsertNextCell(VTK_LINE, pointIds);
pointIds->SetId(1, 2);
ghosts->InsertNextValue(vtkDataSetAttributes::DUPLICATECELL);
pd->InsertNextCell(VTK_LINE, pointIds);
pointIds->SetNumberOfIds(3);
pointIds->SetId(0, 4);
pointIds->SetId(1, 1);
pointIds->SetId(2, 2);
ghosts->InsertNextValue(vtkDataSetAttributes::DUPLICATECELL);
pd->InsertNextCell(VTK_TRIANGLE, pointIds);
pointIds->SetId(2, 3);
ghosts->InsertNextValue(0);
pd->InsertNextCell(VTK_TRIANGLE, pointIds);
pointIds->SetNumberOfIds(3);
pointIds->SetId(0, 1);
pointIds->SetId(1, 2);
pointIds->SetId(2, 3);
ghosts->InsertNextValue(0);
pd->InsertNextCell(VTK_TRIANGLE_STRIP, pointIds);
pointIds->SetId(2, 4);
ghosts->InsertNextValue(0);
pd->InsertNextCell(VTK_TRIANGLE_STRIP, pointIds);
pointIds->SetId(1, 3);
ghosts->InsertNextValue(vtkDataSetAttributes::DUPLICATECELL);
pd->InsertNextCell(VTK_TRIANGLE_STRIP, pointIds);
pd->GetCellData()->AddArray(ghosts);
ids->SetNumberOfValues(ghosts->GetNumberOfValues());
for (vtkIdType cellId = 0; cellId < ids->GetNumberOfValues(); ++cellId)
{
ids->SetValue(cellId, cellId);
}
pd->GetCellData()->AddArray(ids);
// ghosts: 1 0 0 1 1 0 0 0
// ids: 0 1 2 3 4 5 6 7
pd->RemoveGhostCells();
const int nVerts = 1, nLines = 1, nPolys = 1, nStrips = 2;
if (pd->GetNumberOfVerts() != nVerts || pd->GetNumberOfLines() != nLines ||
pd->GetNumberOfPolys() != nPolys || pd->GetNumberOfStrips() != nStrips)
{
vtkLog(ERROR, "Removing ghosts failed... Wrong number of cells.");
vtkLog(INFO, << pd->GetNumberOfVerts() << ", " << pd->GetNumberOfLines() << ", "
<< pd->GetNumberOfPolys() << ", " << pd->GetNumberOfStrips());
return false;
}
vtkIdTypeArray* newIds =
vtkArrayDownCast<vtkIdTypeArray>(pd->GetCellData()->GetAbstractArray(ids->GetName()));
if (newIds->GetValue(0) != 1 || newIds->GetValue(1) != 2 || newIds->GetValue(2) != 5 ||
newIds->GetValue(3) != 6 || newIds->GetValue(4) != 7)
{
vtkLog(ERROR, "Removing ghosts failed... Wrong cell mapping.");
return false;
}
// The first point should have been removed.
if (pd->GetNumberOfPoints() != 4)
{
vtkLog(ERROR, "Removing ghosts fails... Wrong number of points.");
return false;
}
return true;
}
} // anonymous namespace
//------------------------------------------------------------------------------
int otherPolyData(int, char*[])
{
int retVal = EXIT_SUCCESS;
if (!::TestRemoveGhostCells())
{
retVal = EXIT_FAILURE;
}
return retVal;
}
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