cont/CellLocatorUniformBins.h

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//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
#ifndef vtk_m_cont_CellLocatorUniformBins_h
#define vtk_m_cont_CellLocatorUniformBins_h
 
#include <vtkm/cont/ArrayHandle.h>
#include <vtkm/cont/CellSetList.h>
 
#include <vtkm/cont/ArrayHandleGroupVecVariable.h>
#include <vtkm/cont/CellLocatorBase.h>
 
#include <vtkm/exec/CellLocatorMultiplexer.h>
#include <vtkm/exec/CellLocatorUniformBins.h>
 
 
namespace vtkm
{
namespace cont
{
 
class VTKM_CONT_EXPORT CellLocatorUniformBins : public vtkm::cont::CellLocatorBase
{
  template <typename CellSetCont>
  using CellSetContToExec =
    typename CellSetCont::template ExecConnectivityType<vtkm::TopologyElementTagCell,
                                                        vtkm::TopologyElementTagPoint>;
 
public:
  using SupportedCellSets = VTKM_DEFAULT_CELL_SET_LIST;
 
  using CellExecObjectList = vtkm::ListTransform<SupportedCellSets, CellSetContToExec>;
  using CellLocatorExecList =
    vtkm::ListTransform<CellExecObjectList, vtkm::exec::CellLocatorUniformBins>;
 
  using ExecObjType = vtkm::ListApply<CellLocatorExecList, vtkm::exec::CellLocatorMultiplexer>;
  using LastCell = typename ExecObjType::LastCell;
 
  CellLocatorUniformBins() = default;
 
  VTKM_CONT void SetDims(const vtkm::Id3& dims) { this->UniformDims = dims; }
  VTKM_CONT vtkm::Id3 GetDims() const { return this->UniformDims; }
 
  void PrintSummary(std::ostream& out) const;
 
public:
  ExecObjType PrepareForExecution(vtkm::cont::DeviceAdapterId device,
                                  vtkm::cont::Token& token) const;
 
private:
  VTKM_CONT void Build() override;
 
  vtkm::Vec3f InvSpacing;
  vtkm::Vec3f MaxPoint;
  vtkm::Vec3f Origin;
  vtkm::Id3 UniformDims;
  vtkm::Id3 MaxCellIds;
 
  using CellIdArrayType = vtkm::cont::ArrayHandle<vtkm::Id>;
  using CellIdOffsetArrayType = vtkm::cont::ArrayHandle<vtkm::Id>;
 
  vtkm::cont::ArrayHandleGroupVecVariable<CellIdArrayType, CellIdOffsetArrayType> CellIds;
 
  struct MakeExecObject;
};
 
}
} // vtkm::cont
 
#endif // vtk_m_cont_CellLocatorUniformBins_h