cont/PointLocatorSparseGrid.h

Go to the documentation of this file.

//============================================================================
//  The contents of this file are covered by the Viskores license. See
//  LICENSE.txt for details.
//
//  By contributing to this file, all contributors agree to the Developer
//  Certificate of Origin Version 1.1 (DCO 1.1) as stated in DCO.txt.
//============================================================================
 
//============================================================================
//  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 viskores_cont_PointLocatorSparseGrid_h
#define viskores_cont_PointLocatorSparseGrid_h
 
#include <viskores/cont/PointLocatorBase.h>
#include <viskores/exec/PointLocatorSparseGrid.h>
 
namespace viskores
{
namespace cont
{
 
class VISKORES_CONT_EXPORT PointLocatorSparseGrid : public viskores::cont::PointLocatorBase
{
public:
  using RangeType = viskores::Vec<viskores::Range, 3>;
 
  void SetRange(const RangeType& range)
  {
    if (this->Range != range)
    {
      this->Range = range;
      this->SetModified();
    }
  }
  const RangeType& GetRange() const { return this->Range; }
 
  void SetComputeRangeFromCoordinates()
  {
    if (!this->IsRangeInvalid())
    {
      this->Range = { { 0.0, -1.0 } };
      this->SetModified();
    }
  }
 
  void SetNumberOfBins(const viskores::Id3& bins)
  {
    if (this->Dims != bins)
    {
      this->Dims = bins;
      this->SetModified();
    }
  }
  const viskores::Id3& GetNumberOfBins() const { return this->Dims; }
 
  VISKORES_CONT
  viskores::exec::PointLocatorSparseGrid PrepareForExecution(viskores::cont::DeviceAdapterId device,
                                                             viskores::cont::Token& token) const;
 
private:
  bool IsRangeInvalid() const
  {
    return (this->Range[0].Max < this->Range[0].Min) || (this->Range[1].Max < this->Range[1].Min) ||
      (this->Range[2].Max < this->Range[2].Min);
  }
 
  VISKORES_CONT void Build() override;
 
  RangeType Range = { { 0.0, -1.0 } };
  viskores::Id3 Dims = { 32 };
 
  viskores::cont::ArrayHandle<viskores::Id> PointIds;
  viskores::cont::ArrayHandle<viskores::Id> CellLower;
  viskores::cont::ArrayHandle<viskores::Id> CellUpper;
};
}
}
#endif //viskores_cont_PointLocatorSparseGrid_h