Files
OpenSpace/modules/multiresvolume/rendering/localerrorhistogrammanager.h
2016-05-17 12:49:16 -04:00

81 lines
3.7 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2015 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __LOCALERRORHISTOGRAMMANAGER_H__
#define __LOCALERRORHISTOGRAMMANAGER_H__
#include <fstream>
#include <modules/multiresvolume/rendering/tsp.h>
#include <openspace/util/histogram.h>
#include <map>
#include <ghoul/glm.h>
namespace openspace {
class LocalErrorHistogramManager {
public:
LocalErrorHistogramManager(TSP* tsp);
~LocalErrorHistogramManager();
bool buildHistograms(int numBins);
const Histogram* getSpatialHistogram(unsigned int brickIndex) const;
const Histogram* getTemporalHistogram(unsigned int brickIndex) const;
bool loadFromFile(const std::string& filename);
bool saveToFile(const std::string& filename);
private:
TSP* _tsp;
std::ifstream* _file;
std::vector<Histogram> _spatialHistograms;
std::vector<Histogram> _temporalHistograms;
unsigned int _numInnerNodes;
float _minBin;
float _maxBin;
int _numBins;
std::map<unsigned int, std::vector<float>> _voxelCache;
bool buildFromOctreeChild(unsigned int bstOffset, unsigned int octreeOffset);
bool buildFromBstChild(unsigned int bstOffset, unsigned int octreeOffset);
std::vector<float> readValues(unsigned int brickIndex) const;
int parentOffset(int offset, int base) const;
unsigned int brickToInnerNodeIndex(unsigned int brickIndex) const;
unsigned int innerNodeToBrickIndex(unsigned int innerNodeIndex) const;
unsigned int linearCoords(glm::vec3 coords) const;
unsigned int linearCoords(int x, int y, int z) const;
unsigned int linearCoords(glm::ivec3 coords) const;
float interpolate(glm::vec3 samplePoint, const std::vector<float>& voxels) const;
};
} // namespace openspace
#endif // __LOCALERRORHISTOGRAMMANAGER_H__