mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-06 10:29:00 +00:00
270 lines
9.7 KiB
C++
270 lines
9.7 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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#ifndef vtk_m_worklet_ParticleAdvection_h
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#define vtk_m_worklet_ParticleAdvection_h
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#include <vtkm/Types.h>
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#include <vtkm/cont/ArrayCopy.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/worklet/particleadvection/ParticleAdvectionWorklets.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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struct ParticleAdvectionResult
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{
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ParticleAdvectionResult()
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: positions()
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, status()
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, stepsTaken()
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, times()
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{
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}
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ParticleAdvectionResult(const vtkm::cont::ArrayHandle<vtkm::Vec3f>& pos,
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const vtkm::cont::ArrayHandle<vtkm::Id>& stat,
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const vtkm::cont::ArrayHandle<vtkm::Id>& steps)
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: positions(pos)
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, status(stat)
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, stepsTaken(steps)
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{
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}
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ParticleAdvectionResult(const vtkm::cont::ArrayHandle<vtkm::Vec3f>& pos,
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const vtkm::cont::ArrayHandle<vtkm::Id>& stat,
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const vtkm::cont::ArrayHandle<vtkm::Id>& steps,
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const vtkm::cont::ArrayHandle<vtkm::FloatDefault>& timeArray)
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: positions(pos)
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, status(stat)
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, stepsTaken(steps)
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, times(timeArray)
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{
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}
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vtkm::cont::ArrayHandle<vtkm::Vec3f> positions;
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vtkm::cont::ArrayHandle<vtkm::Id> status;
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vtkm::cont::ArrayHandle<vtkm::Id> stepsTaken;
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> times;
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};
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class ParticleAdvection
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{
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public:
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ParticleAdvection() {}
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template <typename IntegratorType, typename FieldType, typename PointStorage>
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ParticleAdvectionResult Run(const IntegratorType& it,
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vtkm::cont::ArrayHandle<vtkm::Vec<FieldType, 3>, PointStorage>& pts,
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const vtkm::Id& nSteps)
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{
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vtkm::Id numSeeds = static_cast<vtkm::Id>(pts.GetNumberOfValues());
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vtkm::cont::ArrayHandle<vtkm::Id> stepsTaken;
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> timeArray;
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//Allocate status and steps arrays.
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vtkm::cont::ArrayHandleConstant<vtkm::Id> init(0, numSeeds);
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vtkm::cont::ArrayCopy(init, stepsTaken);
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//Allocate memory to store the time for temporal integration.
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vtkm::cont::ArrayHandleConstant<vtkm::FloatDefault> time(0, numSeeds);
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vtkm::cont::ArrayCopy(time, timeArray);
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return Run(it, pts, stepsTaken, timeArray, nSteps);
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}
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template <typename IntegratorType, typename FieldType, typename PointStorage>
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ParticleAdvectionResult Run(const IntegratorType& it,
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vtkm::cont::ArrayHandle<vtkm::Vec<FieldType, 3>, PointStorage>& pts,
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vtkm::cont::ArrayHandle<vtkm::Id>& inputSteps,
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const vtkm::Id& nSteps)
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{
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vtkm::Id numSeeds = static_cast<vtkm::Id>(pts.GetNumberOfValues());
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> timeArray;
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//Allocate memory to store the time for temporal integration.
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vtkm::cont::ArrayHandleConstant<vtkm::FloatDefault> time(0, numSeeds);
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timeArray.Allocate(numSeeds);
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vtkm::cont::ArrayCopy(time, timeArray);
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return Run(it, pts, inputSteps, timeArray, nSteps);
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}
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template <typename IntegratorType>
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ParticleAdvectionResult Run(const IntegratorType& it,
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vtkm::cont::ArrayHandle<vtkm::Vec3f>& pts,
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vtkm::cont::ArrayHandle<vtkm::Id>& inputSteps,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>& inputTime,
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const vtkm::Id& nSteps)
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{
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vtkm::worklet::particleadvection::ParticleAdvectionWorklet<IntegratorType> worklet;
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vtkm::Id numSeeds = static_cast<vtkm::Id>(pts.GetNumberOfValues());
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vtkm::cont::ArrayHandle<vtkm::Id> status;
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//Allocate status arrays.
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vtkm::cont::ArrayHandleConstant<vtkm::Id> statusOK(static_cast<vtkm::Id>(1), numSeeds);
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status.Allocate(numSeeds);
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vtkm::cont::ArrayCopy(statusOK, status);
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worklet.Run(it, pts, nSteps, status, inputSteps, inputTime);
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//Create output.
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return ParticleAdvectionResult(pts, status, inputSteps, inputTime);
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}
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template <typename IntegratorType, typename FieldType, typename PointStorage>
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ParticleAdvectionResult Run(const IntegratorType& it,
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vtkm::cont::ArrayHandle<vtkm::Vec<FieldType, 3>, PointStorage>& pts,
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vtkm::cont::ArrayHandle<vtkm::Id>& inputSteps,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>& inputTime,
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const vtkm::Id& nSteps)
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{
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vtkm::cont::ArrayHandle<vtkm::Vec3f> ptsCopy;
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vtkm::cont::ArrayCopy(pts, ptsCopy);
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return Run(it, ptsCopy, inputSteps, inputTime, nSteps);
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}
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};
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struct StreamlineResult
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{
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StreamlineResult()
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: positions()
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, polyLines()
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, status()
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, stepsTaken()
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, times()
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{
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}
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StreamlineResult(const vtkm::cont::ArrayHandle<vtkm::Vec3f>& pos,
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const vtkm::cont::CellSetExplicit<>& lines,
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const vtkm::cont::ArrayHandle<vtkm::Id>& stat,
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const vtkm::cont::ArrayHandle<vtkm::Id>& steps)
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: positions(pos)
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, polyLines(lines)
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, status(stat)
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, stepsTaken(steps)
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{
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}
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StreamlineResult(const vtkm::cont::ArrayHandle<vtkm::Vec3f>& pos,
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const vtkm::cont::CellSetExplicit<>& lines,
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const vtkm::cont::ArrayHandle<vtkm::Id>& stat,
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const vtkm::cont::ArrayHandle<vtkm::Id>& steps,
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const vtkm::cont::ArrayHandle<vtkm::FloatDefault>& timeArray)
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: positions(pos)
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, polyLines(lines)
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, status(stat)
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, stepsTaken(steps)
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, times(timeArray)
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{
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}
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vtkm::cont::ArrayHandle<vtkm::Vec3f> positions;
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vtkm::cont::CellSetExplicit<> polyLines;
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vtkm::cont::ArrayHandle<vtkm::Id> status;
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vtkm::cont::ArrayHandle<vtkm::Id> stepsTaken;
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> times;
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};
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class Streamline
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{
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public:
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Streamline() {}
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template <typename IntegratorType, typename FieldType, typename PointStorage>
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StreamlineResult Run(const IntegratorType& it,
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vtkm::cont::ArrayHandle<vtkm::Vec<FieldType, 3>, PointStorage>& seedArray,
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const vtkm::Id& nSteps)
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{
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vtkm::Id numSeeds = seedArray.GetNumberOfValues();
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//Allocate status and steps arrays.
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vtkm::cont::ArrayHandle<vtkm::Id> status, steps;
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vtkm::cont::ArrayHandleConstant<vtkm::Id> statusOK(static_cast<vtkm::Id>(1), numSeeds);
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vtkm::cont::ArrayCopy(statusOK, status);
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vtkm::cont::ArrayHandleConstant<vtkm::Id> zero(0, numSeeds);
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vtkm::cont::ArrayCopy(zero, steps);
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//Allocate memory to store the time for temporal integration.
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> timeArray;
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vtkm::cont::ArrayHandleConstant<vtkm::FloatDefault> time(0, numSeeds);
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vtkm::cont::ArrayCopy(time, timeArray);
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return Run(it, seedArray, steps, timeArray, nSteps);
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}
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template <typename IntegratorType, typename FieldType, typename PointStorage>
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StreamlineResult Run(const IntegratorType& it,
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vtkm::cont::ArrayHandle<vtkm::Vec<FieldType, 3>, PointStorage>& seedArray,
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vtkm::cont::ArrayHandle<vtkm::Id>& inputSteps,
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const vtkm::Id& nSteps)
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{
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vtkm::Id numSeeds = seedArray.GetNumberOfValues();
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//Allocate and initializr status array.
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vtkm::cont::ArrayHandle<vtkm::Id> status;
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vtkm::cont::ArrayHandleConstant<vtkm::Id> statusOK(static_cast<vtkm::Id>(1), numSeeds);
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vtkm::cont::ArrayCopy(statusOK, status);
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//Allocate memory to store the time for temporal integration.
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> timeArray;
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vtkm::cont::ArrayHandleConstant<vtkm::FloatDefault> time(0, numSeeds);
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vtkm::cont::ArrayCopy(time, timeArray);
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return Run(it, seedArray, inputSteps, timeArray, nSteps);
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}
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template <typename IntegratorType>
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StreamlineResult Run(const IntegratorType& it,
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vtkm::cont::ArrayHandle<vtkm::Vec3f>& seedArray,
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vtkm::cont::ArrayHandle<vtkm::Id>& inputSteps,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>& inputTime,
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const vtkm::Id& nSteps)
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{
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vtkm::worklet::particleadvection::StreamlineWorklet<IntegratorType> worklet;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> positions;
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vtkm::cont::CellSetExplicit<> polyLines;
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//Allocate and initialize status array.
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vtkm::Id numSeeds = seedArray.GetNumberOfValues();
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vtkm::cont::ArrayHandle<vtkm::Id> status;
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vtkm::cont::ArrayHandleConstant<vtkm::Id> statusOK(static_cast<vtkm::Id>(1), numSeeds);
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vtkm::cont::ArrayCopy(statusOK, status);
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worklet.Run(it, seedArray, nSteps, positions, polyLines, status, inputSteps, inputTime);
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return StreamlineResult(positions, polyLines, status, inputSteps, inputTime);
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}
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template <typename IntegratorType, typename FieldType, typename PointStorage>
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StreamlineResult Run(const IntegratorType& it,
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vtkm::cont::ArrayHandle<vtkm::Vec<FieldType, 3>, PointStorage>& seedArray,
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vtkm::cont::ArrayHandle<vtkm::Id>& inputSteps,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>& inputTime,
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const vtkm::Id& nSteps)
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{
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vtkm::cont::ArrayHandle<vtkm::Vec3f> seedCopy;
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vtkm::cont::ArrayCopy(seedArray, seedCopy);
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return Run(it, seedCopy, inputSteps, inputTime, nSteps);
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}
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};
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}
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}
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#endif // vtk_m_worklet_ParticleAdvection_h
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