301 lines
12 KiB
C++
301 lines
12 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_distributed_boundary_tree_h
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#define vtk_m_worklet_contourtree_distributed_boundary_tree_h
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#include <vtkm/Types.h>
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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/data_set_mesh/IdRelabeler.h>
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#include <vtkm/worklet/contourtree_augmented/meshtypes/ContourTreeMesh.h>
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#include <sstream>
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#include <string>
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#include <utility>
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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_distributed
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{
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/// \brief Boundary Restricted Augmented Contour Tree (BRACT)
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///
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/// A contour tree for boundary vertices with the interior abstracted.
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/// This is primarily a data storage class. The actual constuction of
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/// the BRACT is performed by the BoundaryTreeMaker
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/// (BRACTMaker). As a data store, this class primarily stores a set of
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/// arrays and provides convenience functions for interacting with the
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/// the data, e.g., to export the data to dot.
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class BoundaryTree
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{ // class BRACT
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public:
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// for each vertex, we store the index
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vtkm::worklet::contourtree_augmented::IdArrayType VertexIndex;
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// and the ID of the vertex it connects to (or NO_SUCH_ELEMENT)
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vtkm::worklet::contourtree_augmented::IdArrayType Superarcs;
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// constructor
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BoundaryTree() {}
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// prints the contents of the BRACT for comparison with sweep and merge
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std::string Print();
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// secondary version which takes the mesh as a parameter
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template <typename Mesh, typename FieldArrayType>
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std::string PrintGlobalDot(const char* label,
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const Mesh& mesh,
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const FieldArrayType& fieldArray,
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const vtkm::Id3 blockOrigin,
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const vtkm::Id3 blockSize,
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const vtkm::Id3 globalSize) const;
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// prints the contents of the BRACT as a dot file using global IDs (version for CT mesh)
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template <typename FieldType>
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std::string PrintGlobalDot(
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const char* label,
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vtkm::worklet::contourtree_augmented::ContourTreeMesh<FieldType>& mesh) const;
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// prints the contents of the BRACT in debug format
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void PrintContent(std::ostream& outStream) const;
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std::string DebugPrint(const char* message, const char* fileName, long lineNum) const;
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};
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// prints the contents of the BRACT for comparison with sweep and merge
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std::string BoundaryTree::Print()
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{ // Print
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// Use string steam to record text so the user can print it however they like
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std::stringstream resultStream;
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resultStream << "Boundary-Restricted Augmented Contour Tree" << std::endl;
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resultStream << "==========================================" << std::endl;
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// fill it up
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auto superarcsPortal = this->Superarcs.ReadPortal();
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auto vertexIndexPortal = this->VertexIndex.ReadPortal();
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for (vtkm::Id node = 0; node < superarcsPortal.GetNumberOfValues(); node++)
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{
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// retrieve ID of target supernode
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vtkm::Id from = vertexIndexPortal.Get(node);
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vtkm::Id to = superarcsPortal.Get(node);
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// if this is true, it is the last pruned vertex & is omitted
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if (vtkm::worklet::contourtree_augmented::NoSuchElement(to))
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{
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continue;
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}
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// print out the from & to
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resultStream << std::setw(vtkm::worklet::contourtree_augmented::PRINT_WIDTH) << from << " ";
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resultStream << std::setw(vtkm::worklet::contourtree_augmented::PRINT_WIDTH) << to << std::endl;
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}
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return resultStream.str();
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} // Print
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// secondary version which takes the mesh as a parameter
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template <typename Mesh, typename FieldArrayType>
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std::string BoundaryTree::PrintGlobalDot(const char* label,
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const Mesh& mesh,
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const FieldArrayType& fieldArray,
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const vtkm::Id3 blockOrigin,
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const vtkm::Id3 blockSize,
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const vtkm::Id3 globalSize) const
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{ // PrintGlobalDot
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VTKM_IS_ARRAY_HANDLE(FieldArrayType);
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std::stringstream resultStream;
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// print the header information
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resultStream << "digraph BRACT" << std::endl;
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resultStream << "\t{" << std::endl;
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resultStream << "\tlabel=\"" << label << "\"\n\tlabelloc=t\n\tfontsize=30" << std::endl;
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// create a relabeler
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vtkm::worklet::contourtree_augmented::mesh_dem::IdRelabeler relabeler(
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blockOrigin, blockSize, globalSize);
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// loop through all nodes
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auto vertexIndexPortal = this->VertexIndex.ReadPortal();
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auto superarcsPortal = this->Superarcs.ReadPortal();
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auto sortOrderPortal = mesh.SortOrder.ReadPortal();
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auto fieldArrayPortal = fieldArray.ReadPortal();
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for (vtkm::Id node = 0; node < this->Superarcs.GetNumberOfValues(); node++)
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{
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// now convert to mesh IDs from node IDs
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vtkm::Id from = vertexIndexPortal.Get(node);
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// find the local & global IDs & data value
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vtkm::Id fromLocal = sortOrderPortal.Get(from);
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vtkm::Id fromGlobal = relabeler(fromLocal);
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auto fromValue = fieldArrayPortal.Get(fromLocal);
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// print the vertex
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resultStream << node << " [style=filled,fillcolor="
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<< "grey"
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<< ",label=\"" << fromGlobal << "\\nv" << fromValue << "\"];" << std::endl;
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}
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for (vtkm::Id node = 0; node < this->Superarcs.GetNumberOfValues(); node++)
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{
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// retrieve ID of target supernode
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vtkm::Id to = superarcsPortal.Get(node);
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// if this is true, it is the last pruned vertex & is omitted
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if (vtkm::worklet::contourtree_augmented::NoSuchElement(to))
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{
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continue;
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}
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if (node < to)
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{
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resultStream << to << " -> " << node << std::endl;
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}
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else
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{
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resultStream << node << " -> " << to << std::endl;
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}
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}
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resultStream << "\t}" << std::endl;
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// return the result
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return resultStream.str();
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} // PrintGlobalDot
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// prints the contents of the BRACT as a dot file using global IDs (version for CT mesh)
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template <typename FieldType>
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std::string BoundaryTree::PrintGlobalDot(
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const char* label,
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vtkm::worklet::contourtree_augmented::ContourTreeMesh<FieldType>& mesh) const
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{ //PrintGlobalDot
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std::stringstream resultStream;
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// print the header information
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resultStream << "digraph BRACT\n\t{\n";
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resultStream << "\tsize=\"6.5, 9\"\n\tratio=\"fill\"\n";
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resultStream << "\tlabel=\"" << label << "\"\n\tlabelloc=t\n\tfontsize=30\n" << std::endl;
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// loop through all nodes
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auto vertexIndexPortal = this->VertexIndex.ReadPortal();
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auto globalMeshIndexPortal = mesh.GlobalMeshIndex.ReadPortal();
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auto sortedValuesPortal = mesh.SortedValues.ReadPortal();
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auto superarcsPortal = this->Superarcs.ReadPortal();
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for (vtkm::Id node = 0; node < this->VertexIndex.GetNumberOfValues(); node++)
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{ // per node
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// work out the node and it's value
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vtkm::Id meshIndex = vertexIndexPortal.Get(node);
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vtkm::Id from = globalMeshIndexPortal.Get(meshIndex);
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auto fromValue = sortedValuesPortal.Get(meshIndex);
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// print the vertex
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resultStream << node << " [style=filled,fillcolor="
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<< "grey"
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<< ",label=\"" << from << "\\nv" << fromValue << "\"];" << std::endl;
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} // per node
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for (vtkm::Id node = 0; node < this->Superarcs.GetNumberOfValues(); node++)
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{ // per node
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// retrieve ID of target supernode
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vtkm::Id to = superarcsPortal.Get(node);
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// if this is true, it is the last pruned vertex & is omitted
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if (vtkm::worklet::contourtree_augmented::NoSuchElement(to))
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{
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continue;
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}
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if (node < to)
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{
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resultStream << to << " -> " << node << std::endl;
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}
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else
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{
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resultStream << node << " -> " << to << std::endl;
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}
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} // per node
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resultStream << "\t}" << std::endl;
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// Return the resulting strin
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return resultStream.str();
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} //PrintGlobalDot
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// debug routine
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void BoundaryTree::PrintContent(std::ostream& outStream) const
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{
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vtkm::worklet::contourtree_augmented::PrintHeader(this->VertexIndex.GetNumberOfValues(),
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outStream);
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vtkm::worklet::contourtree_augmented::PrintIndices(
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"Vertex Index", this->VertexIndex, -1, outStream);
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vtkm::worklet::contourtree_augmented::PrintIndices("Superarcs", this->Superarcs, -1, outStream);
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}
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inline std::string BoundaryTree::DebugPrint(const char* message,
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const char* fileName,
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long lineNum) const
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{ // DebugPrint
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std::stringstream resultStream;
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#ifdef DEBUG_PRINT
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resultStream << "[CUTHERE]-------------------------------------------------------" << std::endl;
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resultStream << std::setw(30) << std::left << fileName << ":" << std::right << std::setw(4)
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<< lineNum << std::endl;
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resultStream << std::left << std::string(message) << std::endl;
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resultStream << "Boundary Restricted Augmented Contour Tree Contains: " << std::endl;
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resultStream << "----------------------------------------------------------------" << std::endl;
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this->PrintContent(resultStream);
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resultStream << "---------------------------" << std::endl;
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resultStream << std::endl;
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resultStream << std::flush;
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#else
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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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return resultStream.str();
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} // DebugPrint
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} // namespace contourtree_distributed
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} // namespace worklet
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} // namespace vtkm
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#endif
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