mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
105 lines
3.5 KiB
C++
105 lines
3.5 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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// 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 2017 Sandia Corporation.
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// Copyright 2017 UT-Battelle, LLC.
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// Copyright 2017 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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#include <vtkm/cont/DynamicCellSet.h>
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#include <vtkm/cont/ArrayHandlePermutation.h>
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#include <vtkm/cont/CellSetPermutation.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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namespace vtkm {
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namespace filter {
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//-----------------------------------------------------------------------------
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template <typename ImplicitFunctionType, typename DerivedPolicy>
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inline
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void ClipWithImplicitFunction::SetImplicitFunction(
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const std::shared_ptr<ImplicitFunctionType> &func,
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const vtkm::filter::PolicyBase<DerivedPolicy>&)
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{
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func->ResetDevices(DerivedPolicy::DeviceAdapterList);
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this->Function = func;
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}
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//-----------------------------------------------------------------------------
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template<typename DerivedPolicy,
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typename DeviceAdapter>
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inline vtkm::filter::ResultDataSet ClipWithImplicitFunction::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
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const DeviceAdapter& device)
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{
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//get the cells and coordinates of the dataset
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const vtkm::cont::DynamicCellSet& cells =
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input.GetCellSet(this->GetActiveCellSetIndex());
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const vtkm::cont::CoordinateSystem& inputCoords =
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input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex());
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vtkm::cont::CellSetExplicit<> outputCellSet =
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this->Worklet.Run( vtkm::filter::ApplyPolicy(cells, policy),
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*this->Function,
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inputCoords,
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device
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);
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// compute output coordinates
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vtkm::cont::CoordinateSystem outputCoords;
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outputCoords.SetData(this->Worklet.ProcessField(inputCoords, device));
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//create the output data
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vtkm::cont::DataSet output;
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output.AddCellSet( outputCellSet );
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output.AddCoordinateSystem( outputCoords );
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vtkm::filter::ResultDataSet result(output);
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return result;
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}
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//-----------------------------------------------------------------------------
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template<typename T,
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typename StorageType,
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typename DerivedPolicy,
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typename DeviceAdapter>
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inline bool ClipWithImplicitFunction::DoMapField(
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vtkm::filter::ResultDataSet& result,
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const vtkm::cont::ArrayHandle<T, StorageType>& input,
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const vtkm::filter::FieldMetadata& fieldMeta,
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const vtkm::filter::PolicyBase<DerivedPolicy>&,
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const DeviceAdapter& device)
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{
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if(fieldMeta.IsPointField() == false)
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{
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//not a point field, we can't map it
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return false;
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}
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vtkm::cont::DynamicArrayHandle output =
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this->Worklet.ProcessField( input, device);
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//use the same meta data as the input so we get the same field name, etc.
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result.GetDataSet().AddField( fieldMeta.AsField(output) );
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return true;
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}
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}
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}
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