TileManager.cpp

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#include "TileManager.h"

#include "IException.h"

using namespace std;
namespace Isis {

  TileManager::TileManager(const Isis::Cube &cube,
                           const int &bufNumSamples, const int &bufNumLines) :
    Isis::BufferManager(cube.sampleCount(), cube.lineCount(), cube.bandCount(),
                        bufNumSamples, bufNumLines, 1,
                        cube.pixelType()) {

    p_numSampTiles = (cube.sampleCount() - 1) / bufNumSamples + 1;
    p_numLineTiles = (cube.lineCount() - 1) / bufNumLines + 1;
  }

  bool TileManager::SetTile(const int tile, const int band) {
    if(tile < 1) {
      string message = "Invalid value for argument [tile]";
      throw IException(IException::Programmer, message, _FILEINFO_);
    }

    if(band < 1) {
      string message = "Invalid value for argument [band]";
      throw IException(IException::Programmer, message, _FILEINFO_);
    }

    int map = (band - 1) * (p_numSampTiles * p_numLineTiles) + tile - 1;

    return setpos(map);
  }
} // end namespace isis