mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
d626f7317d
This makes is slightly easier to use as you do not actually have to construct the DataSetBuilder object but just call its static method. The DataSetBuilderExplicitIterative methods are not static because they use state of the builder object to create the data.
114 lines
3.8 KiB
C++
114 lines
3.8 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_DataSetBuilderUniform_h
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#define vtk_m_cont_DataSetBuilderUniform_h
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/CoordinateSystem.h>
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#include <vtkm/cont/Assert.h>
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namespace vtkm {
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namespace cont {
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class DataSetBuilderUniform
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{
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public:
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VTKM_CONT_EXPORT
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DataSetBuilderUniform() {}
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//2D uniform grids.
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VTKM_CONT_EXPORT
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static
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vtkm::cont::DataSet
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Create(const vtkm::Id2 &dimensions,
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const vtkm::Vec<vtkm::FloatDefault,2> &origin = vtkm::Vec<vtkm::FloatDefault,2>(0.0f),
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const vtkm::Vec<vtkm::FloatDefault,2> &spacing = vtkm::Vec<vtkm::FloatDefault,2>(1.0f),
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std::string coordNm="coords", std::string cellNm="cells")
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{
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return DataSetBuilderUniform::CreateDS(2,
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dimensions[0],dimensions[1],1,
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origin[0],origin[1],0.0f,
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spacing[0],spacing[1],1.0f,
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coordNm, cellNm);
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}
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//3D uniform grids.
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VTKM_CONT_EXPORT
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static
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vtkm::cont::DataSet
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Create(const vtkm::Id3 &dimensions,
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const vtkm::Vec<vtkm::FloatDefault,3> &origin = vtkm::Vec<vtkm::FloatDefault,3>(0.0f),
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const vtkm::Vec<vtkm::FloatDefault,3> &spacing = vtkm::Vec<vtkm::FloatDefault,3>(1.0f),
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std::string coordNm="coords", std::string cellNm="cells")
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{
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return DataSetBuilderUniform::CreateDS(
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3,
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dimensions[0],dimensions[1],dimensions[2],
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origin[0],origin[1],origin[2],
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spacing[0],spacing[1],spacing[2],
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coordNm, cellNm);
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}
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private:
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template<typename T>
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VTKM_CONT_EXPORT
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static
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vtkm::cont::DataSet
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CreateDS(int dim, vtkm::Id nx, vtkm::Id ny, vtkm::Id nz,
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T originX, T originY, T originZ,
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T spacingX, T spacingY, T spacingZ,
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std::string coordNm, std::string cellNm)
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{
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VTKM_ASSERT_CONT(nx>1 && ny>1 && ((dim==2 && nz==1)||(dim==3 && nz>=1)));
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VTKM_ASSERT_CONT(spacingX>0 && spacingY>0 && spacingZ>0);
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vtkm::cont::DataSet dataSet;
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vtkm::cont::ArrayHandleUniformPointCoordinates
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coords(vtkm::Id3(nx, ny, nz),
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vtkm::Vec<T,3>(originX, originY,originZ),
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vtkm::Vec<T,3>(spacingX, spacingY,spacingZ));
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vtkm::cont::CoordinateSystem cs(coordNm, 1, coords);
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dataSet.AddCoordinateSystem(cs);
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if (dim == 2)
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{
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vtkm::cont::CellSetStructured<2> cellSet(cellNm);
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cellSet.SetPointDimensions(vtkm::make_Vec(nx,ny));
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dataSet.AddCellSet(cellSet);
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}
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else
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{
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vtkm::cont::CellSetStructured<3> cellSet(cellNm);
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cellSet.SetPointDimensions(vtkm::make_Vec(nx,ny,nz));
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dataSet.AddCellSet(cellSet);
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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_DataSetBuilderUniform_h
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