IKernelGrid.hpp

#pragma once
 
#include "DM/config.hpp"
#include "DM/IPoint.hpp" 
#include "DM/IPolyline.hpp" 
#include "DM/IBox.hpp"
#include "DM/IPointIndexLeaf.hpp"
#include "DM/ObjectBase.hpp"
#include "DM/IPointSet.hpp"
 
#include "DM/Processor/AutoLink.hpp"
#include "DM/Processor/IKernelBase.hpp"
 
DM_NAMESPACE_BEGIN
 
 
/// \brief kernel for handling point object
class DM_PS_API IKernelGrid : public IKernelBase
{
public:
  virtual ~IKernelGrid() {}
 
  /// tells the processor how many band the kernel provides
  virtual unsigned bandCount() = 0;
 
  /// tells the processor to iterate in row or column major order within the cu
  virtual bool rowMajor() = 0;
 
  /// function is called, when the computing unit (cu) changes
  virtual void cuChanged(unsigned cuIdx, unsigned cuIdxX, unsigned cuIdxY, const IWindow &cuLimit, PointIndexLeafHandle &localTree) = 0;
 
  /// process a grid point based and write band results to the bandBuffer
  virtual bool process(unsigned rasterIdxX, unsigned rasterIdxY, const IPoint &pt, const IPointSet &neighbors, double *bandBuffer) = 0;
 
  /// once a cu is fully computed this function is called 
  virtual void cuStoreRaster(unsigned cuIdx, unsigned cuIdxX, unsigned cuIdxY, 
                             unsigned rasterIdxX, unsigned rasterIdxY, IRasterDouble **cuRaster) = 0;
 
};
typedef Handle< IKernelGrid > KernelGridHandle;
 
 
DM_NAMESPACE_END