5dd346007b
clang-format BinPack settings have been disabled to make sure that the VTK-m style guideline is obeyed.
271 lines
10 KiB
C++
271 lines
10 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 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 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_DataSetBuilderRectilinear_h
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#define vtk_m_cont_DataSetBuilderRectilinear_h
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#include <vtkm/cont/ArrayHandleCartesianProduct.h>
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#include <vtkm/cont/ArrayPortalToIterators.h>
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#include <vtkm/cont/CoordinateSystem.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/serial/DeviceAdapterSerial.h>
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namespace vtkm
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{
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namespace cont
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{
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class DataSetBuilderRectilinear
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{
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template <typename T, typename U>
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VTKM_CONT static void CopyInto(const std::vector<T>& input, vtkm::cont::ArrayHandle<U>& output)
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{
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DataSetBuilderRectilinear::CopyInto(vtkm::cont::make_ArrayHandle(input), output);
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}
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template <typename T, typename U>
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VTKM_CONT static void CopyInto(const vtkm::cont::ArrayHandle<T>& input,
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vtkm::cont::ArrayHandle<U>& output)
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{
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typedef vtkm::cont::DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagSerial> Algorithm;
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Algorithm::Copy(input, output);
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}
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template <typename T, typename U>
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VTKM_CONT static void CopyInto(const T* input, vtkm::Id len, vtkm::cont::ArrayHandle<U>& output)
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{
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DataSetBuilderRectilinear::CopyInto(vtkm::cont::make_ArrayHandle(input, len), output);
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}
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public:
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VTKM_CONT
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DataSetBuilderRectilinear() {}
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//1D grids.
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(const std::vector<T>& xvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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std::vector<T> yvals(1, 0), zvals(1, 0);
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return DataSetBuilderRectilinear::BuildDataSet(xvals, yvals, zvals, coordNm, cellNm);
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}
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(vtkm::Id nx,
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T* xvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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T yvals = 0, zvals = 0;
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return DataSetBuilderRectilinear::BuildDataSet(
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nx, 1, 1, xvals, &yvals, &zvals, coordNm, cellNm);
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}
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(const vtkm::cont::ArrayHandle<T>& xvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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vtkm::cont::ArrayHandle<T> yvals, zvals;
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yvals.Allocate(1);
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yvals.GetPortalControl().Set(0, 0.0);
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zvals.Allocate(1);
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zvals.GetPortalControl().Set(0, 0.0);
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return DataSetBuilderRectilinear::BuildDataSet(xvals, yvals, zvals, coordNm, cellNm);
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}
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//2D grids.
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(const std::vector<T>& xvals,
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const std::vector<T>& yvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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std::vector<T> zvals(1, 0);
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return DataSetBuilderRectilinear::BuildDataSet(xvals, yvals, zvals, coordNm, cellNm);
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}
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(vtkm::Id nx,
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vtkm::Id ny,
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T* xvals,
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T* yvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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T zvals = 0;
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return DataSetBuilderRectilinear::BuildDataSet(
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nx, ny, 1, xvals, yvals, &zvals, coordNm, cellNm);
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}
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(const vtkm::cont::ArrayHandle<T>& xvals,
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const vtkm::cont::ArrayHandle<T>& yvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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vtkm::cont::ArrayHandle<T> zvals;
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zvals.Allocate(1);
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zvals.GetPortalControl().Set(0, 0.0);
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return DataSetBuilderRectilinear::BuildDataSet(xvals, yvals, zvals, coordNm, cellNm);
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}
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//3D grids.
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(vtkm::Id nx,
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vtkm::Id ny,
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vtkm::Id nz,
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T* xvals,
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T* yvals,
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T* zvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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return DataSetBuilderRectilinear::BuildDataSet(
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nx, ny, nz, xvals, yvals, zvals, coordNm, cellNm);
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}
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(const std::vector<T>& xvals,
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const std::vector<T>& yvals,
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const std::vector<T>& zvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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return DataSetBuilderRectilinear::BuildDataSet(xvals, yvals, zvals, coordNm, cellNm);
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}
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet Create(const vtkm::cont::ArrayHandle<T>& xvals,
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const vtkm::cont::ArrayHandle<T>& yvals,
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const vtkm::cont::ArrayHandle<T>& zvals,
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std::string coordNm = "coords",
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std::string cellNm = "cells")
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{
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return DataSetBuilderRectilinear::BuildDataSet(xvals, yvals, zvals, coordNm, cellNm);
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}
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private:
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet BuildDataSet(const std::vector<T>& xvals,
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const std::vector<T>& yvals,
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const std::vector<T>& zvals,
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std::string coordNm,
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std::string cellNm)
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{
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> Xc, Yc, Zc;
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DataSetBuilderRectilinear::CopyInto(xvals, Xc);
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DataSetBuilderRectilinear::CopyInto(yvals, Yc);
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DataSetBuilderRectilinear::CopyInto(zvals, Zc);
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return DataSetBuilderRectilinear::BuildDataSet(Xc, Yc, Zc, coordNm, cellNm);
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}
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet BuildDataSet(vtkm::Id nx,
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vtkm::Id ny,
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vtkm::Id nz,
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const T* xvals,
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const T* yvals,
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const T* zvals,
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std::string coordNm,
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std::string cellNm)
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{
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> Xc, Yc, Zc;
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DataSetBuilderRectilinear::CopyInto(xvals, nx, Xc);
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DataSetBuilderRectilinear::CopyInto(yvals, ny, Yc);
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DataSetBuilderRectilinear::CopyInto(zvals, nz, Zc);
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return DataSetBuilderRectilinear::BuildDataSet(Xc, Yc, Zc, coordNm, cellNm);
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}
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template <typename T>
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VTKM_CONT static vtkm::cont::DataSet BuildDataSet(const vtkm::cont::ArrayHandle<T>& X,
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const vtkm::cont::ArrayHandle<T>& Y,
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const vtkm::cont::ArrayHandle<T>& Z,
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std::string coordNm,
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std::string cellNm)
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{
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vtkm::cont::DataSet dataSet;
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//Convert all coordinates to floatDefault.
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vtkm::cont::ArrayHandleCartesianProduct<vtkm::cont::ArrayHandle<vtkm::FloatDefault>,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>>
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coords;
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> Xc, Yc, Zc;
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DataSetBuilderRectilinear::CopyInto(X, Xc);
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DataSetBuilderRectilinear::CopyInto(Y, Yc);
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DataSetBuilderRectilinear::CopyInto(Z, Zc);
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coords = vtkm::cont::make_ArrayHandleCartesianProduct(Xc, Yc, Zc);
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vtkm::cont::CoordinateSystem cs(coordNm, coords);
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dataSet.AddCoordinateSystem(cs);
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// compute the dimensions of the cellset by counting the number of axises
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// with >1 dimension
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int ndims = 0;
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vtkm::Id dims[3];
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if (Xc.GetNumberOfValues() > 1)
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{
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dims[ndims++] = Xc.GetNumberOfValues();
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}
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if (Yc.GetNumberOfValues() > 1)
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{
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dims[ndims++] = Yc.GetNumberOfValues();
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}
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if (Zc.GetNumberOfValues() > 1)
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{
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dims[ndims++] = Zc.GetNumberOfValues();
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}
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if (ndims == 1)
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{
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vtkm::cont::CellSetStructured<1> cellSet(cellNm);
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cellSet.SetPointDimensions(dims[0]);
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dataSet.AddCellSet(cellSet);
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}
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else if (ndims == 2)
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{
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vtkm::cont::CellSetStructured<2> cellSet(cellNm);
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cellSet.SetPointDimensions(vtkm::make_Vec(dims[0], dims[1]));
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dataSet.AddCellSet(cellSet);
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}
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else if (ndims == 3)
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{
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vtkm::cont::CellSetStructured<3> cellSet(cellNm);
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cellSet.SetPointDimensions(vtkm::make_Vec(dims[0], dims[1], dims[2]));
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dataSet.AddCellSet(cellSet);
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}
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else
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{
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throw vtkm::cont::ErrorBadValue("Invalid cell set dimension");
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}
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return dataSet;
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}
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};
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} // namespace cont
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} // namespace vtkm
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#endif //vtk_m_cont_DataSetBuilderRectilinear_h
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