165 lines
6.2 KiB
C++
165 lines
6.2 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_worklet_ContourTreeUniform_h
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#define vtk_m_worklet_ContourTreeUniform_h
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#include <vtkm/Math.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ArrayHandleCounting.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/worklet/WorkletMapField.h>
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#include <vtkm/cont/DeviceAdapterAlgorithm.h>
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#include <vtkm/cont/Field.h>
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#include <vtkm/worklet/contourtree/Mesh2D_DEM_Triangulation.h>
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#include <vtkm/worklet/contourtree/Mesh3D_DEM_Triangulation.h>
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#include <vtkm/worklet/contourtree/MergeTree.h>
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#include <vtkm/worklet/contourtree/ChainGraph.h>
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#include <vtkm/worklet/contourtree/ContourTree.h>
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#ifndef VTKM_DEVICE_ADAPTER
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#define VTKM_DEVICE_ADAPTER VTKM_DEVICE_ADAPTER_SERIAL
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#endif
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const bool JOIN = true;
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const bool SPLIT = false;
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const bool JOIN_3D = true;
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const bool SPLIT_3D = false;
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typedef VTKM_DEFAULT_DEVICE_ADAPTER_TAG DeviceAdapter;
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namespace vtkm {
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namespace worklet {
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class ContourTreeMesh2D
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{
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public:
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template<typename FieldType, typename StorageType, typename DeviceAdapter>
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void Run(vtkm::cont::ArrayHandle<FieldType, StorageType> fieldArray,
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vtkm::Id nRows,
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vtkm::Id nCols,
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vtkm::cont::ArrayHandle<vtkm::Pair<vtkm::Id, vtkm::Id> > &saddlePeak,
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DeviceAdapter device)
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{
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vtkm::Id nSlices = 1;
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// Build the mesh and fill in the values
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contourtree::Mesh2D_DEM_Triangulation<FieldType,StorageType,DeviceAdapter>
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mesh(fieldArray, device, nRows, nCols);
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// Initialize the join tree so that all arcs point to maxima
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contourtree::MergeTree<FieldType,StorageType,DeviceAdapter>
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joinTree(fieldArray, device, nRows, nCols, nSlices, JOIN);
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mesh.SetStarts(joinTree.extrema, JOIN);
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joinTree.BuildRegularChains();
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// Create the active topology graph from the regular graph
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contourtree::ChainGraph<FieldType,StorageType,DeviceAdapter>
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joinGraph(fieldArray, device, joinTree.extrema, JOIN);
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mesh.SetSaddleStarts(joinGraph, JOIN);
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// Call join graph to finish computation
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joinGraph.Compute(joinTree.saddles);
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// Initialize the split tree so that all arcs point to maxima
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contourtree::MergeTree<FieldType,StorageType,DeviceAdapter>
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splitTree(fieldArray, device, nRows, nCols, nSlices, SPLIT);
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mesh.SetStarts(splitTree.extrema, SPLIT);
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splitTree.BuildRegularChains();
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// Create the active topology graph from the regular graph
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contourtree::ChainGraph<FieldType,StorageType,DeviceAdapter>
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splitGraph(fieldArray, device, splitTree.extrema, SPLIT);
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mesh.SetSaddleStarts(splitGraph, SPLIT);
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// Call split graph to finish computation
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splitGraph.Compute(splitTree.saddles);
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// Now compute the contour tree
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contourtree::ContourTree<FieldType,StorageType,DeviceAdapter>
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contourTree(fieldArray, device,
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joinTree, joinGraph,
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splitTree, splitGraph);
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contourTree.CollectSaddlePeak(saddlePeak);
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}
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};
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class ContourTreeMesh3D
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{
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public:
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template<typename FieldType, typename StorageType, typename DeviceAdapter>
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void Run(vtkm::cont::ArrayHandle<FieldType, StorageType> fieldArray,
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vtkm::Id nRows,
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vtkm::Id nCols,
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vtkm::Id nSlices,
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vtkm::cont::ArrayHandle<vtkm::Pair<vtkm::Id, vtkm::Id> > &saddlePeak,
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DeviceAdapter device)
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{
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// Build the mesh and fill in the values
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contourtree::Mesh3D_DEM_Triangulation<FieldType,StorageType,DeviceAdapter>
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mesh(fieldArray, device, nRows, nCols, nSlices);
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// Initialize the join tree so that all arcs point to maxima
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contourtree::MergeTree<FieldType,StorageType,DeviceAdapter>
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joinTree(fieldArray, device, nRows, nCols, nSlices, JOIN_3D);
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mesh.SetStarts(joinTree.extrema, JOIN_3D);
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joinTree.BuildRegularChains();
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// Create the active topology graph from the regular graph
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contourtree::ChainGraph<FieldType,StorageType,DeviceAdapter>
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joinGraph(fieldArray, device, joinTree.extrema, JOIN_3D);
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mesh.SetSaddleStarts(joinGraph, JOIN_3D);
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// Call join graph to finish computation
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joinGraph.Compute(joinTree.saddles);
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// Initialize the split tree so that all arcs point to maxima
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contourtree::MergeTree<FieldType,StorageType,DeviceAdapter>
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splitTree(fieldArray, device, nRows, nCols, nSlices, SPLIT_3D);
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mesh.SetStarts(splitTree.extrema, SPLIT_3D);
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splitTree.BuildRegularChains();
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// Create the active topology graph from the regular graph
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contourtree::ChainGraph<FieldType,StorageType,DeviceAdapter>
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splitGraph(fieldArray, device, splitTree.extrema, SPLIT_3D);
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mesh.SetSaddleStarts(splitGraph, SPLIT_3D);
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// Call split graph to finish computation
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splitGraph.Compute(splitTree.saddles);
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// Now compute the contour tree
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contourtree::ContourTree<FieldType,StorageType,DeviceAdapter>
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contourTree(fieldArray, device,
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joinTree, joinGraph,
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splitTree, splitGraph);
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contourTree.CollectSaddlePeak(saddlePeak);
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}
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};
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}
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} // namespace vtkm::worklet
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#endif // vtk_m_worklet_ContourTreeUniform_h
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