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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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// 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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2015-06-03 19:06:43 +00:00
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// Copyright 2014 Los Alamos National Security.
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2015-02-10 17:36:10 +00:00
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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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2015-05-29 13:51:11 +00:00
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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/cont/ArrayHandle.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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/// A \c Field encapsulates an array on some piece of the mesh, such as
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/// the points, a cell set, a node 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 Association
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{
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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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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string n, int o, Association a, ArrayHandle<T> &d)
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: name(n), order(o), association(a)
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{
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VTKM_ASSERT_CONT(association == ASSOC_WHOLE_MESH ||
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association == ASSOC_POINTS);
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SetData(d);
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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 n, int o, Association a, const std::vector<T> &d)
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: name(n), order(o), association(a)
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{
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VTKM_ASSERT_CONT(association == ASSOC_WHOLE_MESH ||
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association == ASSOC_POINTS);
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CopyData(&d[0], d.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 n, int o, Association a, const T *d, vtkm::Id nvals)
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: name(n), order(o), association(a)
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{
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VTKM_ASSERT_CONT(association == ASSOC_WHOLE_MESH ||
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association == ASSOC_POINTS);
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CopyData(d, nvals);
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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 n, int o, Association a, T)
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: name(n), order(o), association(a), data(vtkm::cont::ArrayHandle<T>())
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{
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VTKM_ASSERT_CONT(association == ASSOC_WHOLE_MESH ||
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association == ASSOC_POINTS);
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}
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/// constructors for cell set associations
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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string n, int o, Association a, const std::string& csn, ArrayHandle<T> &d)
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: name(n), order(o), association(a), assoc_cellset_name(csn)
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{
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VTKM_ASSERT_CONT(association == ASSOC_CELL_SET);
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SetData(d);
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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 n, int o, Association a, const std::string& csn, const std::vector<T> &d)
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: name(n), order(o), association(a), assoc_cellset_name(csn)
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{
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VTKM_ASSERT_CONT(association == ASSOC_CELL_SET);
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CopyData(&d[0], d.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 n, int o, Association a, const std::string& csn, const T *d, vtkm::Id nvals)
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: name(n), order(o), association(a), assoc_cellset_name(csn)
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{
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VTKM_ASSERT_CONT(association == ASSOC_CELL_SET);
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CopyData(d, nvals);
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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 n, int o, Association a, const std::string& csn, T)
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: name(n), order(o), association(a), assoc_cellset_name(csn), data(vtkm::cont::ArrayHandle<T>())
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{
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VTKM_ASSERT_CONT(association == ASSOC_CELL_SET);
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}
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/// constructors for logical dimension associations
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template <typename T>
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VTKM_CONT_EXPORT
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Field(std::string n, int o, Association a, int l, ArrayHandle<T> &d)
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: name(n), order(o), association(a), assoc_logical_dim(l)
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{
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VTKM_ASSERT_CONT(association == ASSOC_LOGICAL_DIM);
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SetData(d);
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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 n, int o, Association a, int l, const std::vector<T> &d)
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: name(n), order(o), association(a), assoc_logical_dim(l)
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{
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VTKM_ASSERT_CONT(association == ASSOC_LOGICAL_DIM);
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CopyData(&d[0], d.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 n, int o, Association a, int l, const T *d, vtkm::Id nvals)
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: name(n), order(o), association(a), assoc_logical_dim(l)
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{
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VTKM_ASSERT_CONT(association == ASSOC_LOGICAL_DIM);
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CopyData(d, nvals);
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}
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2015-06-08 20:14:49 +00:00
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template<typename T>
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VTKM_CONT_EXPORT
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Field(std::string n, int o, Association a, int l, T)
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: name(n), order(o), association(a), assoc_logical_dim(l), data(vtkm::cont::ArrayHandle<T>())
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{
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VTKM_ASSERT_CONT(association == ASSOC_LOGICAL_DIM);
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}
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VTKM_CONT_EXPORT
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const std::string &GetName()
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{
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return name;
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}
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VTKM_CONT_EXPORT
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Association GetAssociation()
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{
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return association;
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}
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VTKM_CONT_EXPORT
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int GetOrder()
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{
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return order;
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}
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VTKM_CONT_EXPORT
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std::string GetAssocCellSet()
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{
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return assoc_cellset_name;
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}
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VTKM_CONT_EXPORT
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int GetAssocLogicalDim()
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{
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return assoc_logical_dim;
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}
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VTKM_CONT_EXPORT
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vtkm::cont::DynamicArrayHandle &GetData()
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{
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return data;
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}
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template <typename T>
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VTKM_CONT_EXPORT
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void SetData(vtkm::cont::ArrayHandle<T> &newdata)
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{
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data = newdata;
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}
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2015-05-19 20:21:15 +00:00
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template <typename T>
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VTKM_CONT_EXPORT
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void CopyData(const T *ptr, vtkm::Id nvals)
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{
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//allocate main memory using an array handle
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vtkm::cont::ArrayHandle<T> tmp;
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tmp.Allocate(nvals);
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//copy into the memory owned by the array handle
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std::copy(ptr,
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ptr + static_cast<std::size_t>(nvals),
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vtkm::cont::ArrayPortalToIteratorBegin(tmp.GetPortalControl()));
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//assign to the dynamic array handle
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data = tmp;
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}
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VTKM_CONT_EXPORT
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virtual void PrintSummary(std::ostream &out)
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{
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out<<" "<<name;
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out<<" assoc= ";
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switch (GetAssociation())
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{
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case ASSOC_WHOLE_MESH: out<<"Mesh "; break;
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case ASSOC_POINTS: out<<"Points "; break;
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case ASSOC_CELL_SET: out<<"Cells "; break;
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case ASSOC_LOGICAL_DIM: out<<"LogicalDim "; break;
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}
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vtkm::cont::ArrayHandle<vtkm::Float32> vals;
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vals = data.CastToArrayHandle(vtkm::Float32(), VTKM_DEFAULT_STORAGE_TAG());
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printSummary_ArrayHandle(vals, out);
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//out<<" order= "<<order;
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out<<"\n";
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}
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private:
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std::string name; ///< name of field
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int order; ///< 0=(piecewise) constant, 1=linear, 2=quadratic
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Association association;
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std::string assoc_cellset_name; ///< only populate if assoc is cells
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int assoc_logical_dim; ///< only populate if assoc is logical dim
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2015-04-15 16:33:27 +00:00
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vtkm::cont::DynamicArrayHandle data;
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};
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} // namespace cont
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} // namespace vtkm
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2015-05-29 13:51:11 +00:00
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#endif //vtk_m_cont_Field_h
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