similarityattrib.h

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#ifndef similarityattrib_h
#define similarityattrib_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kristofer Tingdahl
 Date:          07-10-1999
 RCS:           $Id$
________________________________________________________________________

-*/

#include "attributesmod.h"
#include "attribprovider.h"
#include "valseries.h"
#include "valseriesinterpol.h"
#include "mathfunc.h"

namespace Attrib
{

mExpClass(Attributes) Similarity : public Provider
{
public:
    static void                 initClass();
                                Similarity(Desc&);

    static const char*          attribName()    { return "Similarity"; }
    static const char*          gateStr()       { return "gate"; }
    static const char*          pos0Str()       { return "pos0"; }
    static const char*          pos1Str()       { return "pos1"; }
    static const char*          stepoutStr()    { return "stepout"; }
    static const char*          steeringStr()   { return "steering"; }
    static const char*          browsedipStr()  { return "browsedip"; }
    static const char*          normalizeStr()  { return "normalize"; }
    static const char*          extensionStr()  { return "extension"; }
    static const char*          maxdipStr()     { return "maxdip"; }
    static const char*          ddipStr()       { return "ddip"; }
    static const char*          extensionTypeStr(int);
    void                        initSteering()  { stdPrepSteering(stepout_); }

    void                        prepPriorToBoundsCalc();

protected:
                                ~Similarity() {}
    static Provider*            createInstance(Desc&);
    static void                 updateDesc(Desc&);
    static void                 updateDefaults(Desc&);

    bool                        allowParallelComputation() const
                                { return true; }

    bool                        getInputOutput(int inp,TypeSet<int>& res) const;
    bool                        getInputData(const BinID&,int zintv);
    bool                        computeData(const DataHolder&,
                                            const BinID& relpos,
                                            int z0,int nrsamples,
                                            int threadid) const;

    const BinID*                reqStepout(int input,int output) const;
    const BinID*                desStepout(int input,int output) const;
    const Interval<float>*      reqZMargin(int input,int output) const;
    const Interval<float>*      desZMargin(int input,int output) const;
    bool                        getTrcPos();

    BinID                       pos0_;
    BinID                       pos1_;
    BinID                       stepout_;
    Interval<float>             gate_;
    int                         extension_;
    TypeSet<BinID>              trcpos_;
    float                       maxdip_;
    float                       ddip_;

    Interval<float>             desgate_;

    bool                        dobrowsedip_;
    bool                        dosteer_;
    TypeSet<int>                steerindexes_;
    bool                        donormalize_;
    int                         dataidx_;
    int                         imdataidx_;
    TypeSet<int>                pos0s_;
    TypeSet<int>                pos1s_;

    float                       distinl_;
    float                       distcrl_;

    ObjectSet<const DataHolder> inputdata_;
    const DataHolder*           steeringdata_;

    mExpClass(Attributes) SimiFunc : public FloatMathFunction
    {
    public:
                                SimiFunc(const ValueSeries<float>& func, int sz)
                                        : func_( func )
                                        , sz_(sz)
                                        {}

        virtual float   getValue( float x ) const
                                {
                                    ValueSeriesInterpolator<float> interp(sz_);
    //We can afford using extrapolation with polyReg1DWithUdf because even if
    //extrapolation is needed,position will always be close to v0;
    //it is only supposed to be used for extraz compensation
    //in case needinterp==true, DO NOT REMOVE checks on s0&s1 in .cc file!
                                    if ( (-1<x && x<0) || (sz_<x && x<sz_+1) )
                                        interp.extrapol_ = true;
                                    return interp.value(func_,x);
                                }
        virtual float   getValue( const float* p ) const
                                { return getValue(*p); }

    protected:
        const ValueSeries<float>& func_;
        int sz_;
    };

};

} // namespace Attrib


#endif