2020-02-03 18:00:31 +00:00
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//============================================================================
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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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2020-02-06 17:57:54 +00:00
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#include <vtkm/VecTraits.h>
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2020-02-03 18:00:31 +00:00
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#include <vtkm/cont/Logging.h>
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2020-06-03 21:24:36 +00:00
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#include <vtkm/cont/internal/CastInvalidValue.h>
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2022-01-06 21:52:27 +00:00
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#include <vtkm/filter/MapFieldPermutation.h>
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2020-02-06 17:57:54 +00:00
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#include <vtkm/worklet/WorkletMapField.h>
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2020-02-03 18:00:31 +00:00
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namespace
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{
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2020-02-06 17:57:54 +00:00
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template <typename T>
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struct MapPermutationWorklet : vtkm::worklet::WorkletMapField
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{
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T InvalidValue;
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explicit MapPermutationWorklet(T invalidValue)
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: InvalidValue(invalidValue)
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{
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}
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using ControlSignature = void(FieldIn permutationIndex, WholeArrayIn input, FieldOut output);
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2021-01-05 20:02:31 +00:00
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template <typename InputPortalType, typename OutputType>
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VTKM_EXEC void operator()(vtkm::Id permutationIndex,
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InputPortalType inputPortal,
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OutputType& output) const
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{
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VTKM_STATIC_ASSERT(vtkm::HasVecTraits<OutputType>::value);
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if ((permutationIndex >= 0) && (permutationIndex < inputPortal.GetNumberOfValues()))
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{
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output = inputPortal.Get(permutationIndex);
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}
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else
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{
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output = this->InvalidValue;
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}
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}
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};
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2020-02-03 18:00:31 +00:00
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struct DoMapFieldPermutation
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{
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template <typename InputArrayType>
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void operator()(const InputArrayType& input,
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const vtkm::cont::ArrayHandle<vtkm::Id>& permutation,
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2020-12-16 20:53:56 +00:00
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vtkm::cont::UnknownArrayHandle& output,
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vtkm::Float64 invalidValue) const
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{
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using BaseComponentType = typename InputArrayType::ValueType::ComponentType;
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MapPermutationWorklet<BaseComponentType> worklet(
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vtkm::cont::internal::CastInvalidValue<BaseComponentType>(invalidValue));
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vtkm::cont::Invoker{}(
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worklet,
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permutation,
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input,
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output.ExtractArrayFromComponents<BaseComponentType>(vtkm::CopyFlag::Off));
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2020-02-03 18:00:31 +00:00
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}
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};
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} // anonymous namespace
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2022-01-06 21:52:27 +00:00
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VTKM_FILTER_CORE_EXPORT VTKM_CONT bool vtkm::filter::MapFieldPermutation(
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2020-08-19 23:20:43 +00:00
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const vtkm::cont::Field& inputField,
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const vtkm::cont::ArrayHandle<vtkm::Id>& permutation,
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vtkm::cont::Field& outputField,
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vtkm::Float64 invalidValue)
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{
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2020-10-13 22:35:25 +00:00
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VTKM_LOG_SCOPE_FUNCTION(vtkm::cont::LogLevel::Perf);
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vtkm::cont::UnknownArrayHandle outputArray = inputField.GetData().NewInstanceBasic();
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outputArray.Allocate(permutation.GetNumberOfValues());
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try
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{
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inputField.GetData().CastAndCallWithExtractedArray(
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DoMapFieldPermutation{}, permutation, outputArray, invalidValue);
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outputField = vtkm::cont::Field(inputField.GetName(), inputField.GetAssociation(), outputArray);
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return true;
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}
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catch (...)
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{
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VTKM_LOG_S(vtkm::cont::LogLevel::Warn, "Faild to map field " << inputField.GetName());
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return false;
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}
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}
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2022-01-06 21:52:27 +00:00
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VTKM_FILTER_CORE_EXPORT VTKM_CONT bool vtkm::filter::MapFieldPermutation(
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2020-08-19 23:20:43 +00:00
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const vtkm::cont::Field& inputField,
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const vtkm::cont::ArrayHandle<vtkm::Id>& permutation,
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vtkm::cont::DataSet& outputData,
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vtkm::Float64 invalidValue)
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{
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vtkm::cont::Field outputField;
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bool success =
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vtkm::filter::MapFieldPermutation(inputField, permutation, outputField, invalidValue);
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if (success)
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{
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outputData.AddField(outputField);
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}
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return success;
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}
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