/*************************************************************************** * Copyright (C) gempa GmbH * * All rights reserved. * * Contact: gempa GmbH (seiscomp-dev@gempa.de) * * * * GNU Affero General Public License Usage * * This file may be used under the terms of the GNU Affero * * Public License version 3.0 as published by the Free Software Foundation * * and appearing in the file LICENSE included in the packaging of this * * file. Please review the following information to ensure the GNU Affero * * Public License version 3.0 requirements will be met: * * https://www.gnu.org/licenses/agpl-3.0.html. * * * * Other Usage * * Alternatively, this file may be used in accordance with the terms and * * conditions contained in a signed written agreement between you and * * gempa GmbH. * ***************************************************************************/ #ifndef SEISCOMP_TTT_LOCSAT_H #define SEISCOMP_TTT_LOCSAT_H #include #include #include namespace Seiscomp { namespace TTT { /** * TTTLibTau * * A class to compute seismic travel times for 1D models like "iasp91". */ class SC_SYSTEM_CORE_API Locsat : public TravelTimeTableInterface { public: struct Velocity { Velocity() {} Velocity(float z, float p, float s) : depth(z), vp(p), vs(s) {} float depth; float vp; float vs; }; public: /** * Construct a TravelTimeTable object for the specified model. * Currently only "iasp91" is supported. */ Locsat(); ~Locsat(); Locsat(const Locsat &other); Locsat &operator=(const Locsat &other); public: bool setModel(const std::string &model) override; const std::string &model() const override; /** * @brief Compute the traveltime(s) for the model selected using * setModel(). * * Note that altitude correction is currently not implemented! The * respective parameters are ignored. * @param dep1 The source depth in km * * @returns A TravelTimeList of travel times sorted by time. */ TravelTimeList *compute(double lat1, double lon1, double dep1, double lat2, double lon2, double alt2 = 0., int ellc = 1) override; /** * Compute the traveltime and a given phase. The default implementation * computes the complete travel time list and searches for them * requested phase. * @param dep1 The source depth in km * * @returns A TravelTime */ TravelTime compute(const char *phase, double lat1, double lon1, double dep1, double lat2, double lon2, double alt2=0., int ellc = 1) override; /** * @brief Compute the traveltime for the model selected using setModel() * and the first (fastest) phase. * * Note that altitude correction is currently not implemented! The * respective parameters are ignored. * @param dep1 The source depth in km * @returns A TravelTime */ TravelTime computeFirst(double lat1, double lon1, double dep1, double lat2, double lon2, double alt2 = 0., int ellc = 1) override; /** * Compute the travel time for a given phase. This is intended * to be a faster call than 'compute' since only the travel time * is returned. * * @param lat1 Latitude of source * @param lon1 Longitude of source * @param dep1 The source depth in km * @param lat2 Latitude of receiver * @param lon2 Longitude of receiver * @param elev2 Elevation of receiver in m * @param ellc Apply ellipticity correction (1 = on, 0 = off) * @returns The travel time for the phase */ double computeTime(const char *phase, double lat1, double lon1, double dep1, double lat2, double lon2, double elev2=0., int ellc = 1) override; private: TravelTimeList *compute(double delta, double depth); TravelTime compute(const char *phase, double delta, double depth); TravelTime computeFirst(double delta, double depth); double computeTime(const char *phase, double delta, double depth); bool initTables(); private: std::string _model; std::string _tablePrefix; int _Pindex; }; } } #endif