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nllttt.h
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nllttt.h
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/***************************************************************************
* MIT License *
* *
* Copyright (C) by ETHZ/SED *
* *
* 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. *
* *
* Developed by Luca Scarabello <luca.scarabello@sed.ethz.ch> *
***************************************************************************/
#ifndef __HDD_NLLTTT_H__
#define __HDD_NLLTTT_H__
#include "3rd-party/lrucache.h"
#include "nllgrid.h"
#include "ttt.h"
#include <unordered_set>
namespace HDD {
namespace NLL {
class TravelTimeTable : public HDD::TravelTimeTable
{
public:
TravelTimeTable(const std::string &velGridPath,
const std::string &timeGridPath,
const std::string &angleGridPath,
bool swapBytes,
unsigned cacheSize = 255);
virtual ~TravelTimeTable() = default;
void freeResources() override;
void compute(double eventLat,
double eventLon,
double eventDepth,
const Catalog::Station &station,
const std::string &phaseType,
double &travelTime,
double &azimuth,
double &takeOffAngle,
double &velocityAtSrc) override;
double compute(double eventLat,
double eventLon,
double eventDepth,
const Catalog::Station &station,
const std::string &phaseType) override;
private:
std::string _velGridPath;
std::string _timeGridPath;
std::string _angleGridPath;
bool _swapBytes;
lru_cache<std::string, std::shared_ptr<VelGrid>> _velGrids;
lru_cache<std::string, std::shared_ptr<TimeGrid>> _timeGrids;
lru_cache<std::string, std::shared_ptr<AngleGrid>> _angleGrids;
std::unordered_set<std::string> _unloadableGrids;
};
} // namespace NLL
} // namespace HDD
#endif