639 lines
18 KiB
C++
639 lines
18 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 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 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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#ifndef vtk_m_cont_Field_h
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#define vtk_m_cont_Field_h
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#include <vtkm/Types.h>
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#include <vtkm/Math.h>
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#include <vtkm/VecTraits.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ArrayHandleTransform.h>
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#include <vtkm/cont/ArrayHandleUniformPointCoordinates.h>
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#include <vtkm/cont/DeviceAdapterAlgorithm.h>
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#include <vtkm/cont/DynamicArrayHandle.h>
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#include <vtkm/cont/internal/ArrayPortalFromIterators.h>
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namespace vtkm {
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namespace cont {
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namespace internal {
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template<vtkm::IdComponent NumberOfComponents>
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class InputToOutputTypeTransform
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{
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public:
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typedef vtkm::Vec<vtkm::Float64, NumberOfComponents> ResultType;
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typedef vtkm::Pair<ResultType, ResultType> MinMaxPairType;
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template<typename ValueType>
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VTKM_EXEC_EXPORT
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MinMaxPairType operator()(const ValueType &value) const
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{
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ResultType input;
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for (vtkm::IdComponent i = 0; i < NumberOfComponents; ++i)
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{
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input[i] = static_cast<vtkm::Float64>(
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vtkm::VecTraits<ValueType>::GetComponent(value, i));
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}
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return make_Pair(input, input);
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}
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};
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template<vtkm::IdComponent NumberOfComponents>
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class MinMax
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{
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public:
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typedef vtkm::Vec<vtkm::Float64, NumberOfComponents> ResultType;
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typedef vtkm::Pair<ResultType, ResultType> MinMaxPairType;
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VTKM_EXEC_EXPORT
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MinMaxPairType operator()(const MinMaxPairType &v1, const MinMaxPairType &v2) const
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{
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MinMaxPairType result;
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for (vtkm::IdComponent i = 0; i < NumberOfComponents; ++i)
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{
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result.first[i] = vtkm::Min(v1.first[i], v2.first[i]);
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result.second[i] = vtkm::Max(v1.second[i], v2.second[i]);
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}
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return result;
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}
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};
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enum
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{
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MAX_NUMBER_OF_COMPONENTS = 10
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};
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template<vtkm::IdComponent NumberOfComponents, typename ComputeBoundsClass>
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class SelectNumberOfComponents
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{
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public:
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template<typename TypeList, typename StorageList>
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static void Execute(
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vtkm::IdComponent components,
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const vtkm::cont::DynamicArrayHandleBase<TypeList,StorageList> &data,
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ArrayHandle<vtkm::Float64> &bounds)
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{
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if (components == NumberOfComponents)
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{
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ComputeBoundsClass::template CallBody<NumberOfComponents>(data, bounds);
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}
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else
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{
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SelectNumberOfComponents<NumberOfComponents+1,
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ComputeBoundsClass>::Execute(components,
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data,
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bounds);
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}
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}
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};
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template<typename ComputeBoundsClass>
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class SelectNumberOfComponents<MAX_NUMBER_OF_COMPONENTS, ComputeBoundsClass>
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{
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public:
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template<typename TypeList, typename StorageList>
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static void Execute(vtkm::IdComponent,
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const vtkm::cont::DynamicArrayHandleBase<TypeList,StorageList> &,
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ArrayHandle<vtkm::Float64>&)
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{
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throw vtkm::cont::ErrorControlInternal(
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"Number of components in array greater than expected maximum.");
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}
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};
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template<typename DeviceAdapterTag>
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class ComputeBounds
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{
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private:
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template<vtkm::IdComponent NumberOfComponents>
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class Body
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{
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public:
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Body(ArrayHandle<vtkm::Float64> *bounds) : Bounds(bounds) {}
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template<typename ArrayHandleType>
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void operator()(const ArrayHandleType &data) const
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{
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typedef vtkm::cont::DeviceAdapterAlgorithm<DeviceAdapterTag> Algorithm;
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typedef vtkm::Vec<vtkm::Float64, NumberOfComponents> ResultType;
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typedef vtkm::Pair<ResultType, ResultType> MinMaxPairType;
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MinMaxPairType initialValue = make_Pair(ResultType(vtkm::Infinity64()),
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ResultType(vtkm::NegativeInfinity64()));
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vtkm::cont::ArrayHandleTransform<MinMaxPairType, ArrayHandleType,
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InputToOutputTypeTransform<NumberOfComponents> > input(data);
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MinMaxPairType result = Algorithm::Reduce(input, initialValue,
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MinMax<NumberOfComponents>());
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this->Bounds->Allocate(NumberOfComponents * 2);
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for (vtkm::IdComponent i = 0; i < NumberOfComponents; ++i)
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{
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this->Bounds->GetPortalControl().Set(i * 2, result.first[i]);
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this->Bounds->GetPortalControl().Set(i * 2 + 1, result.second[i]);
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}
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}
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// Special implementation for regular point coordinates, which are easy
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// to determine.
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void operator()(const vtkm::cont::ArrayHandle<
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vtkm::Vec<vtkm::FloatDefault,3>,
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vtkm::cont::ArrayHandleUniformPointCoordinates::StorageTag>
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&array)
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{
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vtkm::internal::ArrayPortalUniformPointCoordinates portal =
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array.GetPortalConstControl();
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// In this portal we know that the min value is the first entry and the
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// max value is the last entry.
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vtkm::Vec<vtkm::FloatDefault,3> minimum = portal.Get(0);
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vtkm::Vec<vtkm::FloatDefault,3> maximum =
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portal.Get(portal.GetNumberOfValues()-1);
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this->Bounds->Allocate(6);
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vtkm::cont::ArrayHandle<vtkm::Float64>::PortalControl outPortal =
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this->Bounds->GetPortalControl();
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outPortal.Set(0, minimum[0]);
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outPortal.Set(1, maximum[0]);
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outPortal.Set(2, minimum[1]);
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outPortal.Set(3, maximum[1]);
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outPortal.Set(4, minimum[2]);
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outPortal.Set(5, maximum[2]);
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}
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private:
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vtkm::cont::ArrayHandle<vtkm::Float64> *Bounds;
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};
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public:
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template<vtkm::IdComponent NumberOfComponents,
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typename TypeList,
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typename StorageList>
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static void CallBody(
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const vtkm::cont::DynamicArrayHandleBase<TypeList, StorageList> &data,
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ArrayHandle<vtkm::Float64> &bounds)
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{
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Body<NumberOfComponents> cb(&bounds);
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data.CastAndCall(cb);
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}
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template<typename TypeList, typename StorageList>
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static void DoCompute(
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const DynamicArrayHandleBase<TypeList,StorageList> &data,
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ArrayHandle<vtkm::Float64> &bounds)
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{
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typedef ComputeBounds<DeviceAdapterTag> SelfType;
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VTKM_IS_DEVICE_ADAPTER_TAG(DeviceAdapterTag);
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vtkm::IdComponent numberOfComponents = data.GetNumberOfComponents();
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switch(numberOfComponents)
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{
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case 1:
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CallBody<1>(data, bounds);
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break;
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case 2:
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CallBody<2>(data, bounds);
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break;
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case 3:
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CallBody<3>(data, bounds);
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break;
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case 4:
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CallBody<4>(data, bounds);
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break;
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default:
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SelectNumberOfComponents<5, SelfType>::Execute(numberOfComponents,
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data,
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bounds);
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break;
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}
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}
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};
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} // namespace internal
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/// A \c Field encapsulates an array on some piece of the mesh, such as
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/// the points, a cell set, a point logical dimension, or the whole mesh.
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///
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class Field
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{
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public:
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enum AssociationEnum
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{
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ASSOC_ANY,
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ASSOC_WHOLE_MESH,
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ASSOC_POINTS,
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ASSOC_CELL_SET,
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ASSOC_LOGICAL_DIM
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};
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/// constructors for points / whole mesh
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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const vtkm::cont::DynamicArrayHandle &data)
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: Name(name),
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Association(association),
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AssocCellSetName(),
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AssocLogicalDim(-1),
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Data(data),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_WHOLE_MESH ||
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this->Association == ASSOC_POINTS);
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}
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template<typename T, typename Storage>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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const ArrayHandle<T, Storage> &data)
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: Name(name),
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Association(association),
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AssocCellSetName(),
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AssocLogicalDim(-1),
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Data(data),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT((this->Association == ASSOC_WHOLE_MESH) ||
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(this->Association == ASSOC_POINTS));
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}
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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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const std::vector<T> &data)
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: Name(name),
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Association(association),
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AssocCellSetName(),
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AssocLogicalDim(-1),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT((this->Association == ASSOC_WHOLE_MESH) ||
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(this->Association == ASSOC_POINTS));
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this->CopyData(&data[0], static_cast<vtkm::Id>(data.size()));
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}
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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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const T *data,
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vtkm::Id nvals)
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: Name(name),
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Association(association),
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AssocCellSetName(),
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AssocLogicalDim(-1),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT((this->Association == ASSOC_WHOLE_MESH) ||
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(this->Association == ASSOC_POINTS));
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this->CopyData(data, nvals);
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}
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/// constructors for cell set associations
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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const std::string& cellSetName,
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const vtkm::cont::DynamicArrayHandle &data)
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: Name(name),
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Association(association),
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AssocCellSetName(cellSetName),
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AssocLogicalDim(-1),
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Data(data),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_CELL_SET);
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}
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template <typename T, typename Storage>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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const std::string& cellSetName,
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const vtkm::cont::ArrayHandle<T, Storage> &data)
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: Name(name),
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Association(association),
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AssocCellSetName(cellSetName),
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AssocLogicalDim(-1),
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Data(data),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_CELL_SET);
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}
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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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const std::string& cellSetName,
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const std::vector<T> &data)
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: Name(name),
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Association(association),
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AssocCellSetName(cellSetName),
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AssocLogicalDim(-1),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_CELL_SET);
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this->CopyData(&data[0], static_cast<vtkm::Id>(data.size()));
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}
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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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const std::string& cellSetName,
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const T *data,
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vtkm::Id nvals)
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: Name(name),
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Association(association),
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AssocCellSetName(cellSetName),
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AssocLogicalDim(-1),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_CELL_SET);
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this->CopyData(data, nvals);
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}
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/// constructors for logical dimension associations
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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vtkm::IdComponent logicalDim,
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const vtkm::cont::DynamicArrayHandle &data)
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: Name(name),
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Association(association),
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AssocCellSetName(),
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AssocLogicalDim(logicalDim),
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Data(data),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_LOGICAL_DIM);
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}
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template <typename T, typename Storage>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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vtkm::IdComponent logicalDim,
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const vtkm::cont::ArrayHandle<T, Storage> &data)
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: Name(name),
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Association(association),
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AssocLogicalDim(logicalDim),
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Data(data),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_LOGICAL_DIM);
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}
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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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vtkm::IdComponent logicalDim,
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const std::vector<T> &data)
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: Name(name),
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Association(association),
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AssocLogicalDim(logicalDim),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_LOGICAL_DIM);
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this->CopyData(&data[0], static_cast<vtkm::Id>(data.size()));
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}
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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string name,
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AssociationEnum association,
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vtkm::IdComponent logicalDim,
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const T *data, vtkm::Id nvals)
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: Name(name),
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Association(association),
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AssocLogicalDim(logicalDim),
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Bounds(),
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ModifiedFlag(true)
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{
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VTKM_ASSERT_CONT(this->Association == ASSOC_LOGICAL_DIM);
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CopyData(data, nvals);
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}
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VTKM_CONT_EXPORT
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Field()
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: Name(),
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Association(ASSOC_ANY),
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AssocCellSetName(),
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AssocLogicalDim(),
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Data(),
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Bounds(),
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ModifiedFlag(true)
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{
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//Generate an empty field
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}
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VTKM_CONT_EXPORT
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const std::string &GetName() const
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{
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return this->Name;
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}
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VTKM_CONT_EXPORT
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AssociationEnum GetAssociation() const
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{
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return this->Association;
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}
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VTKM_CONT_EXPORT
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std::string GetAssocCellSet() const
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{
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return this->AssocCellSetName;
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}
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VTKM_CONT_EXPORT
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vtkm::IdComponent GetAssocLogicalDim() const
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{
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return this->AssocLogicalDim;
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}
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template<typename DeviceAdapterTag, typename TypeList, typename StorageList>
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VTKM_CONT_EXPORT
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const vtkm::cont::ArrayHandle<vtkm::Float64>& GetBounds(DeviceAdapterTag,
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TypeList,
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StorageList) const
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{
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if (this->ModifiedFlag)
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{
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internal::ComputeBounds<DeviceAdapterTag>::DoCompute(
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this->Data.ResetTypeList(TypeList()).ResetStorageList(StorageList()),
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this->Bounds);
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this->ModifiedFlag = false;
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}
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return this->Bounds;
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}
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template<typename DeviceAdapterTag, typename TypeList, typename StorageList>
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VTKM_CONT_EXPORT
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void GetBounds(vtkm::Float64 *bounds,
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DeviceAdapterTag,
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TypeList,
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StorageList) const
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{
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this->GetBounds(DeviceAdapterTag(), TypeList(), StorageList());
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vtkm::Id length = this->Bounds.GetNumberOfValues();
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for (vtkm::Id i = 0; i < length; ++i)
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{
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bounds[i] = this->Bounds.GetPortalConstControl().Get(i);
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}
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}
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template<typename DeviceAdapterTag, typename TypeList>
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VTKM_CONT_EXPORT
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const vtkm::cont::ArrayHandle<vtkm::Float64>& GetBounds(DeviceAdapterTag,
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TypeList) const
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{
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return this->GetBounds(DeviceAdapterTag(), TypeList(),
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VTKM_DEFAULT_STORAGE_LIST_TAG());
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}
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template<typename DeviceAdapterTag, typename TypeList>
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VTKM_CONT_EXPORT
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void GetBounds(vtkm::Float64 *bounds, DeviceAdapterTag, TypeList) const
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{
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this->GetBounds(bounds, DeviceAdapterTag(), TypeList(),
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VTKM_DEFAULT_STORAGE_LIST_TAG());
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}
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template<typename DeviceAdapterTag>
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VTKM_CONT_EXPORT
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const vtkm::cont::ArrayHandle<vtkm::Float64>& GetBounds(DeviceAdapterTag) const
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{
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return this->GetBounds(DeviceAdapterTag(), VTKM_DEFAULT_TYPE_LIST_TAG(),
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VTKM_DEFAULT_STORAGE_LIST_TAG());
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}
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template<typename DeviceAdapterTag>
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VTKM_CONT_EXPORT
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void GetBounds(vtkm::Float64 *bounds, DeviceAdapterTag) const
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{
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this->GetBounds(bounds, DeviceAdapterTag(), VTKM_DEFAULT_TYPE_LIST_TAG(),
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VTKM_DEFAULT_STORAGE_LIST_TAG());
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}
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VTKM_CONT_EXPORT
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const vtkm::cont::DynamicArrayHandle &GetData() const
|
|
{
|
|
return this->Data;
|
|
}
|
|
|
|
VTKM_CONT_EXPORT
|
|
vtkm::cont::DynamicArrayHandle &GetData()
|
|
{
|
|
this->ModifiedFlag = true;
|
|
return this->Data;
|
|
}
|
|
|
|
template <typename T>
|
|
VTKM_CONT_EXPORT
|
|
void SetData(const vtkm::cont::ArrayHandle<T> &newdata)
|
|
{
|
|
this->Data = newdata;
|
|
this->ModifiedFlag = true;
|
|
}
|
|
|
|
VTKM_CONT_EXPORT
|
|
void SetData(const vtkm::cont::DynamicArrayHandle &newdata)
|
|
{
|
|
this->Data = newdata;
|
|
this->ModifiedFlag = true;
|
|
}
|
|
|
|
template <typename T>
|
|
VTKM_CONT_EXPORT
|
|
void CopyData(const T *ptr, vtkm::Id nvals)
|
|
{
|
|
//allocate main memory using an array handle
|
|
vtkm::cont::ArrayHandle<T> tmp;
|
|
tmp.Allocate(nvals);
|
|
|
|
//copy into the memory owned by the array handle
|
|
std::copy(ptr,
|
|
ptr + static_cast<std::size_t>(nvals),
|
|
vtkm::cont::ArrayPortalToIteratorBegin(tmp.GetPortalControl()));
|
|
|
|
//assign to the dynamic array handle
|
|
this->Data = tmp;
|
|
this->ModifiedFlag = true;
|
|
}
|
|
|
|
VTKM_CONT_EXPORT
|
|
virtual void PrintSummary(std::ostream &out) const
|
|
{
|
|
out<<" "<<this->Name;
|
|
out<<" assoc= ";
|
|
switch (this->GetAssociation())
|
|
{
|
|
case ASSOC_ANY: out<<"Any "; break;
|
|
case ASSOC_WHOLE_MESH: out<<"Mesh "; break;
|
|
case ASSOC_POINTS: out<<"Points "; break;
|
|
case ASSOC_CELL_SET: out<<"Cells "; break;
|
|
case ASSOC_LOGICAL_DIM: out<<"LogicalDim "; break;
|
|
}
|
|
this->Data.PrintSummary(out);
|
|
out<<"\n";
|
|
}
|
|
|
|
private:
|
|
std::string Name; ///< name of field
|
|
|
|
AssociationEnum Association;
|
|
std::string AssocCellSetName; ///< only populate if assoc is cells
|
|
vtkm::IdComponent AssocLogicalDim; ///< only populate if assoc is logical dim
|
|
|
|
vtkm::cont::DynamicArrayHandle Data;
|
|
mutable vtkm::cont::ArrayHandle<vtkm::Float64> Bounds;
|
|
mutable bool ModifiedFlag;
|
|
};
|
|
|
|
|
|
} // namespace cont
|
|
} // namespace vtkm
|
|
|
|
#endif //vtk_m_cont_Field_h
|