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OpenSpace/modules/multiresvolume/rendering/tfbrickselector.h
2025-12-16 13:40:19 +01:00

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/*****************************************************************************************
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* OpenSpace *
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* Copyright (c) 2014-2025 *
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#ifndef __OPENSPACE_MODULE_MULTIRESVOLUME___TFBRICKSELECTOR___H__
#define __OPENSPACE_MODULE_MULTIRESVOLUME___TFBRICKSELECTOR___H__
#include <modules/multiresvolume/rendering/brickselector.h>
#include <modules/multiresvolume/rendering/brickselection.h>
namespace openspace {
class ErrorHistogramManager;
class TransferFunction;
class TSP;
class TfBrickSelector : public BrickSelector {
public:
TfBrickSelector(TSP* tsp, ErrorHistogramManager* hm, TransferFunction* tf,
int memoryBudget, int streamingBudget);
~TfBrickSelector() = default;
bool initialize() override;
void selectBricks(int timestep, std::vector<int>& bricks) override;
void setMemoryBudget(int memoryBudget);
void setStreamingBudget(int streamingBudget);
bool calculateBrickErrors();
private:
float spatialSplitPoints(unsigned int brickIndex);
float temporalSplitPoints(unsigned int brickIndex);
float splitPoints(unsigned int brickIndex, BrickSelection::SplitType& splitType);
int linearCoords(int x, int y, int z) const;
void writeSelection(BrickSelection coveredBricks, std::vector<int>& bricks) const;
TSP* _tsp;
ErrorHistogramManager* _histogramManager;
TransferFunction* _transferFunction;
std::vector<float> _brickErrors;
int _memoryBudget;
int _streamingBudget;
};
} // namespace openspace
#endif // __OPENSPACE_MODULE_MULTIRESVOLUME___TFBRICKSELECTOR___H__