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Tweaks to RegularStructure and RegularConnectivity. Moved RegularStructure to a separate file. Added some more unit testing.

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Dave Pugmire 2015-05-15 12:00:27 -04:00
parent 8124814a83
commit 138807a312
1 changed files with 138 additions and 0 deletions
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vtkm/cont/RegularStructure.h Normal file
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//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt 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 2014 Sandia Corporation.
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014. Los Alamos National Security
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_cont_RegularStructure_h
#define vtk_m_cont_RegularStructure_h
#include <vtkm/Extent.h>
#include <vtkm/CellType.h>
namespace vtkm {
namespace cont {
template<vtkm::IdComponent> class RegularStructure;
//1 D specialization.
template<>
class RegularStructure<1>
{
public:
void SetNodeDimension(int node_i, int, int)
{
cellDims.Min[0] = nodeDims.Min[0] = 0;
cellDims.Max[0] = node_i-1;
nodeDims.Max[0] = node_i;
}
vtkm::Id GetNumberOfElements() const {return cellDims.Max[0];}
vtkm::Id GetNumberOfIndices() const {return 2;}
vtkm::CellType GetElementShapeType() const {return VTKM_LINE;}
void GetNodesOfCells(vtkm::Id index, vtkm::Vec<vtkm::Id,2> &ids) const
{
ids[0] = index;
ids[1] = ids[0] + 1;
}
private:
Extent<1> cellDims;
Extent<1> nodeDims;
};
//2 D specialization.
template<>
class RegularStructure<2>
{
public:
void SetNodeDimension(int node_i, int node_j, int)
{
cellDims.Min[0] = cellDims.Min[1] = 0;
nodeDims.Min[0] = nodeDims.Min[1] = 0;
cellDims.Max[0] = node_i-1;
nodeDims.Max[0] = node_i;
cellDims.Max[1] = node_j-1;
nodeDims.Max[1] = node_j;
}
vtkm::Id GetNumberOfElements() const {return cellDims.Max[0]*cellDims.Max[1];}
vtkm::Id GetNumberOfIndices() const {return 4;}
vtkm::CellType GetElementShapeType() const {return VTKM_PIXEL;}
void GetNodesOfCells(vtkm::Id index, vtkm::Vec<vtkm::Id,4> &ids) const
{
int i = index % cellDims.Max[0];
int j = index / cellDims.Max[0];
ids[0] = j*nodeDims.Max[0] + i;
ids[1] = ids[0] + 1;
ids[2] = ids[0] + nodeDims.Max[0];
ids[3] = ids[2] + 1;
}
private:
Extent<2> cellDims;
Extent<2> nodeDims;
};
//3 D specialization.
template<>
class RegularStructure<3>
{
public:
void SetNodeDimension(int node_i, int node_j, int node_k)
{
cellDims.Min[0] = cellDims.Min[1] = cellDims.Min[2] = 0;
nodeDims.Min[0] = nodeDims.Min[1] = nodeDims.Min[2] = 0;
cellDims.Max[0] = node_i-1;
nodeDims.Max[0] = node_i;
cellDims.Max[1] = node_j-1;
nodeDims.Max[1] = node_j;
cellDims.Max[2] = node_k-1;
nodeDims.Max[2] = node_k;
}
vtkm::Id GetNumberOfElements() const {return cellDims.Max[0]*cellDims.Max[1]*cellDims.Max[2];}
vtkm::Id GetNumberOfIndices() const {return 8;}
vtkm::CellType GetElementShapeType() const {return VTKM_VOXEL;}
void GetNodesOfCells(vtkm::Id index, vtkm::Vec<vtkm::Id,8> &ids) const
{
int cellDims01 = cellDims.Max[0] * cellDims.Max[1];
int k = index / cellDims01;
int indexij = index % cellDims01;
int j = indexij / cellDims.Max[0];
int i = indexij % cellDims.Max[0];
ids[0] = (k * nodeDims.Max[1] + j) * nodeDims.Max[0] + i;
ids[1] = ids[0] + 1;
ids[2] = ids[0] + nodeDims.Max[0];
ids[3] = ids[2] + 1;
ids[4] = ids[0] + nodeDims.Max[0]*nodeDims.Max[1];
ids[5] = ids[4] + 1;
ids[6] = ids[4] + nodeDims.Max[0];
ids[7] = ids[6] + 1;
}
private:
Extent<3> cellDims;
Extent<3> nodeDims;
};
}
} // namespace vtkm::cont
#endif //vtk_m_cont_RegularStructure_h