dippca.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bo Zhang/Y.Liu
 Date:          June 2012
________________________________________________________________________


-*/

#include "algomod.h"
#include "algomod.h"
#include "enums.h"
#include "factory.h"
#include "odmemory.h"

template <class T> class Array2D;
template <class T> class Array3D;

class Dip2DCalculator;
class Dip3DCalculator;
class TaskRunner;


mExpClass(Algo) DipPCA
{
public:    

    virtual                     ~DipPCA()                       {}

    mStruct(Algo) Setup
    {                           Setup();
        Setup&                  operator=(const Setup&);

        float                   threshold_;
        bool                    isabove_; //Flt value is above threshold or not
        int                     boxlength_;
        int                     boxwidth_;
        int                     boxheight_;
        StepInterval<int>       thetarg_; //dip angle in positive degree
        StepInterval<int>       alpharg_; //azimuth angle in positive degree
    };  

    void                        setSetup(Setup nsetup)  { setup_ = nsetup; }
    virtual bool                compute(TaskRunner* tskr=0) { return true; } 

protected:

    Setup                       setup_;
};


mExpClass(Algo) Dip2D : public DipPCA
{
public:
                                Dip2D(const Array2D<float>& input,
                                           float xdist,float ydist);
                                ~Dip2D();

    bool                        compute(TaskRunner* tskr=0); 
    
    enum Output                 { Dip=0, Dilation=1, Thinning=2 };
    const Array2D<float>*       get(Output) const;

protected:

    friend class                Dip2DCalculator;
    bool                        fillGap();


    const Array2D<float>&       input_;

    Array2D<float>*             dip_; //The fault dip
    Array2D<float>*             dilation_;      
                                //The fault dip after perform dilation to dip
    Array2D<float>*             dthinner_;
                                //The fault dip after thining to dilation

    const int                   xsz_;
    const int                   ysz_;
    const float                 xdist_;
    const float                 ydist_;
};


mExpClass(Algo) Dip3D : public DipPCA
{
public:
                                Dip3D(const Array3D<float>& input,
                                        float xdist,float ydist,float zdist);
                                ~Dip3D();

    bool                        compute(TaskRunner* tskr=0); 
    
    enum Output                 { AbsDip=0, InlDip=1, CrlDip=2, Azimuth=3 };
    const Array3D<float>*       get(Output) const;

protected:

    friend class                Dip3DCalculator;
    const Array3D<float>&       input_;

    Array3D<float>*             absdip_; 
    Array3D<float>*             inldip_; 
    Array3D<float>*             crldip_; 
    Array3D<float>*             azimuth_;       

    const int                   xsz_;
    const int                   ysz_;
    const int                   zsz_;
    const float                 xdist_;
    const float                 ydist_;
    const float                 zdist_;
};