147 lines
6.5 KiB
C++
147 lines
6.5 KiB
C++
//============================================================================
|
|
// 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 (c) 2018, The Regents of the University of California, through
|
|
// Lawrence Berkeley National Laboratory (subject to receipt of any required approvals
|
|
// from the U.S. Dept. of Energy). All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification,
|
|
// are permitted provided that the following conditions are met:
|
|
//
|
|
// (1) Redistributions of source code must retain the above copyright notice, this
|
|
// list of conditions and the following disclaimer.
|
|
//
|
|
// (2) Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
//
|
|
// (3) Neither the name of the University of California, Lawrence Berkeley National
|
|
// Laboratory, U.S. Dept. of Energy nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without
|
|
// specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
// OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
//=============================================================================
|
|
//
|
|
// This code is an extension of the algorithm presented in the paper:
|
|
// Parallel Peak Pruning for Scalable SMP Contour Tree Computation.
|
|
// Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
|
|
// Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
|
|
// (LDAV), October 2016, Baltimore, Maryland.
|
|
//
|
|
// The PPP2 algorithm and software were jointly developed by
|
|
// Hamish Carr (University of Leeds), Gunther H. Weber (LBNL), and
|
|
// Oliver Ruebel (LBNL)
|
|
//==============================================================================
|
|
|
|
#ifndef vtk_m_worklet_contourtree_distributed_tree_grafter_find_critical_points_set_up_down_neighbours_worklet_h
|
|
#define vtk_m_worklet_contourtree_distributed_tree_grafter_find_critical_points_set_up_down_neighbours_worklet_h
|
|
|
|
|
|
#include <vtkm/worklet/WorkletMapField.h>
|
|
#include <vtkm/worklet/contourtree_augmented/Types.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace worklet
|
|
{
|
|
namespace contourtree_distributed
|
|
{
|
|
namespace tree_grafter
|
|
{
|
|
|
|
// In TreeGrafter.InitializeActiveSuperarcs set TreeGrafter.ActiveSuperarcs
|
|
class FindCriticalPointsSetUpDownNeighboursWorklet : public vtkm::worklet::WorkletMapField
|
|
{
|
|
public:
|
|
using ControlSignature = void(
|
|
FieldIn
|
|
activeSuperarcs, // input iteration index. loop to one less than ContourTree->Supernodes.GetNumberOfValues()
|
|
WholeArrayIn interiorForstIsNecessary, // input
|
|
WholeArrayInOut upNeighbour, // output (Need In/Out to prevent overwrite?)
|
|
WholeArrayInOut downNeighbour, // output (Need In/Out to prevent overwrite?)
|
|
WholeArrayInOut supernodeType // output (Need In/Out to prevent overwrite?)
|
|
);
|
|
|
|
using ExecutionSignature = void(_1, _2, _3, _4, _5);
|
|
using InputDomain = _1;
|
|
|
|
// Default Constructor
|
|
VTKM_EXEC_CONT
|
|
FindCriticalPointsSetUpDownNeighboursWorklet() {}
|
|
|
|
template <typename InFieldPortalType, typename OutFieldPortalType>
|
|
VTKM_EXEC void operator()(const vtkm::worklet::contourtree_augmented::EdgePair& activeSuperarc,
|
|
const InFieldPortalType& isNecessaryPortal,
|
|
const OutFieldPortalType& upNeighbourPortal,
|
|
const OutFieldPortalType& downNeighbourPortal,
|
|
const OutFieldPortalType& supernodeTypePortal) const
|
|
{ // operator ()
|
|
// per active superarc
|
|
// make local copies of the ends
|
|
vtkm::Id lowEnd = activeSuperarc.first;
|
|
vtkm::Id highEnd = activeSuperarc.second;
|
|
|
|
// set the up/down neighbours at each end
|
|
upNeighbourPortal.Set(lowEnd, highEnd);
|
|
downNeighbourPortal.Set(highEnd, lowEnd);
|
|
|
|
// and set criticality flags at both ends to attachment if they are necessary, regular otherwise
|
|
vtkm::Id highType = isNecessaryPortal.Get(highEnd)
|
|
? vtkm::worklet::contourtree_augmented::IS_ATTACHMENT
|
|
: vtkm::worklet::contourtree_augmented::IS_REGULAR;
|
|
vtkm::Id lowType = isNecessaryPortal.Get(lowEnd)
|
|
? vtkm::worklet::contourtree_augmented::IS_ATTACHMENT
|
|
: vtkm::worklet::contourtree_augmented::IS_REGULAR;
|
|
|
|
supernodeTypePortal.Set(lowEnd, lowType);
|
|
supernodeTypePortal.Set(highEnd, highType);
|
|
|
|
// In serial this worklet implements the following operation
|
|
/*
|
|
// fill in the up/down neighbour arrays
|
|
for (indexType activeSuper = 0; activeSuper < activeSuperarcs.size(); activeSuper++)
|
|
{ // per active superarc
|
|
// make local copies of the ends
|
|
indexType lowEnd = activeSuperarcs[activeSuper].low;
|
|
indexType highEnd = activeSuperarcs[activeSuper].high;
|
|
|
|
// set the up/down neighbours at each end
|
|
upNeighbour[lowEnd] = highEnd;
|
|
downNeighbour[highEnd] = lowEnd;
|
|
|
|
// and set criticality flags at both ends to attachment if they are necessary, regular otherwise
|
|
indexType highType = residue->isNecessary[highEnd] ? IS_ATTACHMENT : IS_REGULAR;
|
|
indexType lowType = residue->isNecessary[lowEnd] ? IS_ATTACHMENT : IS_REGULAR;
|
|
|
|
supernodeType[lowEnd] = lowType;
|
|
supernodeType[highEnd] = highType;
|
|
} // per active superarc
|
|
*/
|
|
} // operator ()
|
|
|
|
}; // FindCriticalPointsSetUpDownNeighboursWorklet
|
|
|
|
} // namespace tree_grafter
|
|
} // namespace contourtree_distributed
|
|
} // namespace worklet
|
|
} // namespace vtkm
|
|
|
|
#endif
|