valseriestracker.h

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#ifndef valseriestracker_h
#define valseriestracker_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H.Bril
 Date:          Dec 2006
 RCS:           $Id$
________________________________________________________________________

-*/

#include "algomod.h"
#include "valseriesevent.h"

template <class T> class ValueSeries;


mExpClass(Algo) ValSeriesTracker
{
public:
                        ValSeriesTracker();
    virtual             ~ValSeriesTracker()             {}
    virtual const char* type()                          = 0;

    virtual bool        isOK() const;
    virtual void        setSource(const ValueSeries<float>*,int sz,float depth);
    virtual void        setTarget(const ValueSeries<float>*,int sz,
                                  float initialdepth);

    virtual bool        track()                         = 0;
    virtual float       targetValue() const             { return targetvalue_; }
    virtual float       targetDepth() const             { return targetdepth_; }
    virtual float       quality() const                 { return 1; }

    virtual void        fillPar(IOPar& par) const       {}
    virtual bool        usePar(const IOPar& par)        { return true; }

protected:

    const ValueSeries<float>*   sourcevs_;
    float                       sourcedepth_;
    int                         sourcesize_;
    const ValueSeries<float>*   targetvs_;
    float                       targetdepth_;
    int                         targetsize_;
    float                       targetvalue_;
};


mExpClass(Algo) EventTracker : public ValSeriesTracker
{
public:
                                EventTracker();

    const char*                 type()          { return sType(); }
    static const char*          sType()         { return "EventTracker"; }

    enum CompareMethod          { None, SeedTrace, AdjacentParent };
                                mDeclareEnumUtils(CompareMethod)

    void                        setCompareMethod(CompareMethod);
    CompareMethod               getCompareMethod() const;

    static const char**         sEventNames();
    static const VSEvent::Type* cEventTypes();
    static int                  getEventTypeIdx(VSEvent::Type);

    virtual bool                isOK() const;

    void                        setSeed(const ValueSeries<float>*,int sz,
                                        float depth);

    void                        setRangeStep(float step) { rangestep_ = step; }
    float                       getRangeStep() const { return rangestep_; }
    void                        setPermittedRange(const Interval<float>& rg);
                                //<!Is divided by rangestep to get nrof samples
    const Interval<float>&      permittedRange() const;
    void                        setTrackEvent(VSEvent::Type ev);
    VSEvent::Type               trackEvent() const;
    void                        allowAmplitudeSignChange(bool);
    bool                        isAmplitudeSignChangeAllowed() const;
    bool                        snap(const Interval<float>& amplrg);
    bool                        snap(float threshold);
    void                        useSimilarity(bool yn);
    bool                        usesSimilarity() const;
    void                        normalizeSimilarityValues(bool yn);
    bool                        normalizesSimilarityValues() const;

    void                        setUseAbsThreshold(bool abs);
    bool                        useAbsThreshold() const;

    void                        setAmplitudeThreshold(float th);
    float                       amplitudeThreshold() const;

    void                        setAmplitudeThresholds(const TypeSet<float>&);
    TypeSet<float>&             getAmplitudeThresholds();

    void                        setAllowedVariance(float v);
    float                       allowedVariance() const;

    void                        setAllowedVariances(const TypeSet<float>& avs);
    TypeSet<float>&             getAllowedVariances();

    void                        setSimilarityWindow(const Interval<float>& rg);
    const Interval<float>&      similarityWindow() const;
    void                        setSimilarityThreshold(float th);
    float                       similarityThreshold() const;

    void                        setSnapToEvent(bool);
    bool                        snapToEvent() const;

    bool                        track();
    float                       quality() const         { return quality_; }

    void                        fillPar(IOPar& par) const;
    bool                        usePar(const IOPar& par);

protected:

    ValueSeriesEvent<float,float>
                        findExtreme(const ValueSeriesEvFinder<float, float>&,
                        const Interval<float>&,float,float&,bool&,float&) const;
    ValueSeriesEvent<float,float>
                        findExtreme(const ValueSeriesEvFinder<float, float>&,
                                const Interval<float>& zrg,
                                const Interval<float>& amplrg,float& avgampl,
                                bool& hasloopskips,float& troughampl) const;
    bool                findMaxSimilarity(int nrtests,int step,int nrgracetests,
                                         float& res,float& maxsim,
                                         bool& flatstart) const;
    bool                        isTargetValueAllowed() const;

    VSEvent::Type               evtype_;
    Interval<float>             permrange_;
    CompareMethod               comparemethod_;
    float                       ampthreshold_;
    TypeSet<float>              ampthresholds_;
    float                       allowedvar_;
    TypeSet<float>              allowedvars_;
    bool                        useabsthreshold_;
    Interval<float>             similaritywin_;
    float                       rangestep_;
    float                       similaritythreshold_;
    bool                        usesimilarity_;
    bool                        normalizesimi_;
    float                       compareampl_;
    bool                        dosnap_;
    float                       quality_;
    bool                        allowamplsignchg_;

    const ValueSeries<float>*   seedvs_;
    float                       seeddepth_;
    int                         seedsize_;

    static const char*          sKeyPermittedRange();
    static const char*          sKeyValueThreshold();
    static const char*          sKeyValueThresholds();
    static const char*          sKeyAllowedVariance();
    static const char*          sKeyAllowedVariances();
    static const char*          sKeyUseAbsThreshold();
    static const char*          sKeySimWindow();
    static const char*          sKeySimThreshold();
    static const char*          sKeyNormSimi();
    static const char*          sKeyTrackByValue();
    static const char*          sKeyTrackEvent();
    static const char*          sKeyCompareMethod();
    static const char*          sKeyAttribID();
    static const char*          sKeySnapToEvent();
    static const char*          sKeyAllowSignChg();

};

#endif