283 lines
9.5 KiB
C++
283 lines
9.5 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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//
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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 (c) 2018, The Regents of the University of California, through
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// Lawrence Berkeley National Laboratory (subject to receipt of any required approvals
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// from the U.S. Dept. of Energy). All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// (1) Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// (2) Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// (3) Neither the name of the University of California, Lawrence Berkeley National
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// Laboratory, U.S. Dept. of Energy nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//=============================================================================
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//
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// This code is an extension of the algorithm presented in the paper:
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// Parallel Peak Pruning for Scalable SMP Contour Tree Computation.
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// Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
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// Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
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// (LDAV), October 2016, Baltimore, Maryland.
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//
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// The PPP2 algorithm and software were jointly developed by
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// Hamish Carr (University of Leeds), Gunther H. Weber (LBNL), and
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// Oliver Ruebel (LBNL)
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//==============================================================================
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#ifndef vtk_m_worklet_contourtree_augmented_mergetree_h
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#define vtk_m_worklet_contourtree_augmented_mergetree_h
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#include <iomanip>
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// local includes
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#include <vtkm/worklet/contourtree_augmented/PrintVectors.h>
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#include <vtkm/worklet/contourtree_augmented/Types.h>
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#include <vtkm/worklet/contourtree_augmented/mesh_dem_meshtypes/ContourTreeMesh.h>
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//VTKM includes
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#include <vtkm/Types.h>
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#include <vtkm/cont/Algorithm.h>
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#include <vtkm/cont/ArrayHandleConstant.h>
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namespace vtkm
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{
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namespace worklet
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{
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namespace contourtree_augmented
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{
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class MergeTree
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{ // class MergeTree
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public:
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// whether it is join or split tree
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bool IsJoinTree;
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// VECTORS INDEXED ON N = SIZE OF DATA
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// the list of nodes is implicit
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// vector of (regular) arcs in the merge tree
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IdArrayType Arcs;
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// vector storing which superarc owns each node
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IdArrayType Superparents;
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// VECTORS INDEXED ON T = SIZE OF TREE
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// vector storing the list of supernodes by ID
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// WARNING: THESE ARE NOT SORTED BY INDEX
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// Instead, they are sorted by hyperarc, secondarily on index
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IdArrayType Supernodes;
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// vector of superarcs in the merge tree
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// stored as supernode indices
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IdArrayType Superarcs;
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// vector of Hyperarcs to which each supernode/arc belongs
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IdArrayType Hyperparents;
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// VECTORS INDEXED ON H = SIZE OF HYPERTREE
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// vector of sort indices for the hypernodes
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IdArrayType Hypernodes;
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// vector of Hyperarcs in the merge tree
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// NOTE: These are supernode IDs, not hypernode IDs
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// because not all Hyperarcs lead to hypernodes
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IdArrayType Hyperarcs;
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// vector to find the first child superarc
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IdArrayType FirstSuperchild;
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// ROUTINES
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// creates merge tree (empty)
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MergeTree(vtkm::Id meshSize, bool isJoinTree);
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// debug routine
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void DebugPrint(const char* message, const char* fileName, long lineNum);
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// debug routine for printing the tree for contourtree meshes
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template <typename FieldType>
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void DebugPrintTree(const char* message,
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const char* fileName,
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long lineNum,
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const ContourTreeMesh<FieldType>& mesh);
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// debug routine for printing the tree for regular meshes
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template <typename MeshType>
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void DebugPrintTree(const char* message,
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const char* fileName,
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long lineNum,
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const MeshType& mesh);
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}; // class MergeTree
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// creates merge tree (empty)
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inline MergeTree::MergeTree(vtkm::Id meshSize, bool isJoinTree)
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: IsJoinTree(isJoinTree)
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, Supernodes()
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, Superarcs()
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, Hyperparents()
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, Hypernodes()
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, Hyperarcs()
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, FirstSuperchild()
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{ // MergeTree()
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// Allocate the arcs array
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// TODO it should be sufficient to just allocate arcs without initializing it with 0s
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vtkm::cont::ArrayHandleConstant<vtkm::Id> meshSizeNullArray(0, meshSize);
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vtkm::cont::Algorithm::Copy(meshSizeNullArray, this->Arcs);
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// Initialize the superparents with NO_SUCH_ELEMENT
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vtkm::cont::ArrayHandleConstant<vtkm::Id> noSuchElementArray((vtkm::Id)NO_SUCH_ELEMENT, meshSize);
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vtkm::cont::Algorithm::Copy(noSuchElementArray, this->Superparents);
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} // MergeTree()
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// debug routine
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inline void MergeTree::DebugPrint(const char* message, const char* fileName, long lineNum)
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{ // DebugPrint()
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#ifdef DEBUG_PRINT
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std::cout << "---------------------------" << std::endl;
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std::cout << std::setw(30) << std::left << fileName << ":" << std::right << std::setw(4)
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<< lineNum << std::endl;
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std::cout << std::left << std::string(message) << std::endl;
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std::cout << "Merge Tree Contains: " << std::endl;
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std::cout << "---------------------------" << std::endl;
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std::cout << std::endl;
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PrintHeader(this->Arcs.GetNumberOfValues());
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PrintIndices("Arcs", this->Arcs);
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PrintIndices("Superparents", this->Superparents);
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std::cout << std::endl;
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PrintHeader(this->Supernodes.GetNumberOfValues());
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PrintIndices("Supernodes", this->Supernodes);
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PrintIndices("Superarcs", this->Superarcs);
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PrintIndices("Hyperparents", this->Hyperparents);
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std::cout << std::endl;
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PrintHeader(this->Hypernodes.GetNumberOfValues());
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PrintIndices("Hypernodes", this->Hypernodes);
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PrintIndices("Hyperarcs", this->Hyperarcs);
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PrintIndices("First Superchild", FirstSuperchild);
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std::cout << std::endl;
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#else
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// Prevent unused parameter warning
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(void)message;
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(void)fileName;
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(void)lineNum;
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#endif
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} // DebugPrint()
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template <typename FieldType>
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inline void MergeTree::DebugPrintTree(const char* message,
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const char* fileName,
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long lineNum,
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const ContourTreeMesh<FieldType>& mesh)
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{
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(void)mesh; // prevent unused parameter warning
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std::cout << std::setw(30) << std::left << fileName << ":" << std::right << std::setw(4)
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<< lineNum << std::endl;
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std::cout << std::left << std::string(message) << std::endl;
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std::cout << "MergeTree::DebugPrintTree not implemented for ContourTreeMesh" << std::endl;
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}
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template <typename MeshType>
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inline void MergeTree::DebugPrintTree(const char* message,
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const char* fileName,
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long lineNum,
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const MeshType& mesh)
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{ //PrintMergeTree()
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#ifdef DEBUG_PRINT
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std::cout << "---------------------------" << std::endl;
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std::cout << std::setw(30) << std::left << fileName << ":" << std::right << std::setw(4)
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<< lineNum << std::endl;
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std::cout << std::left << std::string(message) << std::endl;
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if (this->IsJoinTree)
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{
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std::cout << "Join Tree:" << std::endl;
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}
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else
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{
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std::cout << "Split Tree:" << std::endl;
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}
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std::cout << "---------------------------" << std::endl;
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std::cout << std::endl;
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std::cout << "==========" << std::endl;
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for (vtkm::Id entry = 0; entry < mesh.NumVertices; entry++)
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{
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vtkm::Id sortIndex = mesh.SortIndices.GetPortalConstControl().Get(entry);
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vtkm::Id arc = this->arcs.GetPortalConstControl().Get(sortIndex);
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if (NoSuchElement(arc))
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{
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std::cout << "-1" << std::endl;
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}
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else
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{
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std::cout << mesh.SortOrder.GetPortalConstControl().Get(arc) << std::endl;
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}
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if (mesh.NumDims == 2)
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{
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if ((entry % mesh.NumColumns) == (mesh.NumColumns - 1))
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{
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std::cout << std::endl;
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}
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}
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else if (mesh.NumDims == 3)
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{
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if ((entry % (mesh.NumColumns * mesh.NumRows)) == (mesh.nCols * mesh.NumRows - 1))
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{
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std::cout << std::endl;
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}
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}
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}
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std::cout << std::endl;
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#else
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// Prevent unused parameter warning
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(void)message;
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(void)fileName;
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(void)lineNum;
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(void)mesh;
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#endif
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} // PrintMergeTree()
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} // namespace contourtree_augmented
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} // worklet
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} // vtkm
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#endif
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