58 lines
1.9 KiB
C++
58 lines
1.9 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_filter_ImageConnectivity_hxx
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#define vtk_m_filter_ImageConnectivity_hxx
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#include <vtkm/filter/ImageConnectivity.h>
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#include <vtkm/filter/internal/CreateResult.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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namespace vtkm
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{
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namespace filter
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{
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VTKM_CONT ImageConnectivity::ImageConnectivity()
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{
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this->SetOutputFieldName("component");
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}
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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet ImageConnectivity::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<T, StorageType>& field,
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const vtkm::filter::FieldMetadata& fieldMetadata,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
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{
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if (fieldMetadata.GetAssociation() != vtkm::cont::Field::Association::POINTS)
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{
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throw vtkm::cont::ErrorBadValue("Active field for ImageConnectivity must be a cell field.");
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}
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vtkm::cont::ArrayHandle<vtkm::Id> component;
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vtkm::worklet::connectivity::ImageConnectivity().Run(
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vtkm::filter::ApplyPolicy(input.GetCellSet(this->GetActiveCellSetIndex()), policy),
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field,
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component);
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auto result = internal::CreateResult(input,
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component,
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this->GetOutputFieldName(),
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vtkm::cont::Field::Association::POINTS,
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fieldMetadata.GetCellSetName());
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return result;
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}
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}
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}
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#endif //vtk_m_filter_ImageConnectivity_hxx
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