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232 lines
7.4 KiB
C
232 lines
7.4 KiB
C
1 year ago
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/***************************************************************************
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* Copyright (C) gempa GmbH *
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* All rights reserved. *
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* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
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* *
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* GNU Affero General Public License Usage *
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* This file may be used under the terms of the GNU Affero *
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* Public License version 3.0 as published by the Free Software Foundation *
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* and appearing in the file LICENSE included in the packaging of this *
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* file. Please review the following information to ensure the GNU Affero *
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* Public License version 3.0 requirements will be met: *
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* https://www.gnu.org/licenses/agpl-3.0.html. *
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* *
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* Other Usage *
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* Alternatively, this file may be used in accordance with the terms and *
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* conditions contained in a signed written agreement between you and *
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* gempa GmbH. *
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***************************************************************************/
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#ifndef SEISCOMP_PROCESSING_PICKER_H
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#define SEISCOMP_PROCESSING_PICKER_H
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#include <seiscomp/core/interfacefactory.h>
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#include <seiscomp/processing/timewindowprocessor.h>
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#include <seiscomp/client.h>
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#include <boost/function.hpp>
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namespace Seiscomp {
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namespace Processing {
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DEFINE_SMARTPOINTER(Picker);
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class SC_SYSTEM_CLIENT_API Picker : public TimeWindowProcessor {
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DECLARE_SC_CLASS(Picker)
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// ----------------------------------------------------------------------
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// Public types
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// ----------------------------------------------------------------------
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public:
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//! Configuration structure to store processing dependent
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//! settings
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struct Config {
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double noiseBegin; // start of the noise window to initialize filters
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double signalBegin; // default: -30, relative to _trigger
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double signalEnd; // default: +10, relative to _trigger
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double snrMin; // default: 3
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};
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enum Polarity {
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POSITIVE,
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NEGATIVE,
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UNDECIDABLE
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};
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struct Result {
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const Record *record;
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double snr;
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Core::Time time;
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double timeLowerUncertainty;
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double timeUpperUncertainty;
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double timeWindowBegin;
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double timeWindowEnd;
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OPT(double) slowness;
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OPT(double) backAzimuth;
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OPT(Polarity) polarity;
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};
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typedef boost::function<void (const Picker*,
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const Result &)> PublishFunc;
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// ----------------------------------------------------------------------
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// X'truction
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// ----------------------------------------------------------------------
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public:
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//! C'tor
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Picker();
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Picker(const Core::Time& trigger);
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//! D'tor
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~Picker();
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// ----------------------------------------------------------------------
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// Configuration Interface
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// ----------------------------------------------------------------------
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public:
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//! Returns the name of the method used by concrete implementations
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virtual const std::string &methodID() const = 0;
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//! Returns the filter used by concrete implementations
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virtual const std::string &filterID() const = 0;
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//! Set the start of the noise window relative to the trigger
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void setNoiseStart(double start) { _config.noiseBegin = start; }
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//! Set the start of the signal window relative to the trigger
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void setSignalStart(double start) { _config.signalBegin = start; }
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//! Set the end of the signal window relative to the trigger
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void setSignalEnd(double end) { _config.signalEnd = end; }
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void setMinSNR(double snr) { _config.snrMin = snr; }
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//! Returns the current configuration
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const Config &config() const { return _config; }
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//! This method has to be called when all configuration
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//! settings has been set to calculate the timewindow
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void computeTimeWindow() override;
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void reset() override;
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// ----------------------------------------------------------------------
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// Public Interface
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// ----------------------------------------------------------------------
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public:
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//! Sets the trigger used to compute the timewindow to calculate
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//! the amplitude
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//! Once a trigger has been set all succeeding calls will fail.
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void setTrigger(const Core::Time &trigger);
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Core::Time trigger() const;
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/**
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* @brief Returns the currently set noise window
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*
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* This is being computed as trigger + noiseBegin and
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* trigger + signalBegin
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* @return The time window of the noise
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*/
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Core::TimeWindow noiseWindow() const;
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/**
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* @brief Returns the currently set signal window
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*
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* This is being computed as trigger + signalBegin and
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* trigger + signalEnd
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* @return The time window of the signal
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*/
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Core::TimeWindow signalWindow() const;
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void setPublishFunction(const PublishFunc& func);
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//! Dumps the record data into an ASCII file
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void writeData();
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// ----------------------------------------------------------------------
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// Protected Interface
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// ----------------------------------------------------------------------
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protected:
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//! Implement this method to compute a pick.
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//! The default implementation returns false and does nothing.
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//! The returned uncertainty measures are in samples.
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//! Negative uncertainties are invalid and not recognized further.
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virtual bool calculatePick(int n, const double *data,
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int signalStartIdx, int signalEndIdx,
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int &triggerIdx, int &lowerUncertainty,
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int &upperUncertainty, double &snr,
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OPT(Polarity) &polarity) = 0;
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void process(const Record *record, const DoubleArray &filteredData) override;
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bool handleGap(Filter *filter, const Core::TimeSpan& span,
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double lastSample, double nextSample,
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size_t missingSamples) override;
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//! This method is called when a pick has to be published
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void emitPick(const Result &result);
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private:
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void init();
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// ----------------------------------------------------------------------
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// Protected Members
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// ----------------------------------------------------------------------
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protected:
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Core::Time _trigger;
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// config
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Config _config;
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// ----------------------------------------------------------------------
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// Private Members
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// ----------------------------------------------------------------------
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private:
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PublishFunc _func;
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};
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DEFINE_INTERFACE_FACTORY(Picker);
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inline Core::Time Picker::trigger() const {
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return _trigger;
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}
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inline Core::TimeWindow Picker::noiseWindow() const {
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return Core::TimeWindow(
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_trigger + Core::TimeSpan(_config.noiseBegin),
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_trigger + Core::TimeSpan(_config.signalBegin)
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);
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}
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inline Core::TimeWindow Picker::signalWindow() const {
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return Core::TimeWindow(
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_trigger + Core::TimeSpan(_config.signalBegin),
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_trigger + Core::TimeSpan(_config.signalEnd)
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);
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}
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}
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}
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#define REGISTER_POSTPICKPROCESSOR_VAR(Class, Service) \
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Seiscomp::Core::Generic::InterfaceFactory<Seiscomp::Processing::Picker, Class> __##Class##InterfaceFactory__(Service)
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#define REGISTER_POSTPICKPROCESSOR(Class, Service) \
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static REGISTER_POSTPICKPROCESSOR_VAR(Class, Service)
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#endif
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