73 lines
2.2 KiB
C++
73 lines
2.2 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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namespace vtkm
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{
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namespace filter
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{
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//-----------------------------------------------------------------------------
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inline VTKM_CONT VertexClustering::VertexClustering()
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: vtkm::filter::FilterDataSet<VertexClustering>()
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, NumberOfDivisions(256, 256, 256)
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{
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}
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//-----------------------------------------------------------------------------
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template <typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet VertexClustering::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
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{
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// todo this code needs to obey the policy for what storage types
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// the output should use
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//need to compute bounds first
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vtkm::Bounds bounds = input.GetCoordinateSystem().GetBounds();
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vtkm::cont::DataSet outDataSet =
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this->Worklet.Run(vtkm::filter::ApplyPolicyUnstructured(input.GetCellSet(), policy),
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input.GetCoordinateSystem(),
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bounds,
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this->GetNumberOfDivisions());
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return outDataSet;
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}
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//-----------------------------------------------------------------------------
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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT bool VertexClustering::DoMapField(
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vtkm::cont::DataSet& 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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vtkm::filter::PolicyBase<DerivedPolicy>)
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{
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vtkm::cont::ArrayHandle<T> fieldArray;
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if (fieldMeta.IsPointField())
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{
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fieldArray = this->Worklet.ProcessPointField(input);
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}
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else if (fieldMeta.IsCellField())
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{
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fieldArray = this->Worklet.ProcessCellField(input);
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}
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else
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{
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return false;
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}
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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.AddField(fieldMeta.AsField(fieldArray));
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return true;
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}
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}
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}
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