textureattrib.h

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#ifndef textureattrib_h
#define textureattrib_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        P.F.M. de Groot
 Date:          September 2012
 RCS:           $Id$
________________________________________________________________________

-*/


#include "attribprovider.h"
#include "arraynd.h"

namespace Attrib
{

mClass(TextureAttrib) Texture : public Provider
{ mODTextTranslationClass(Texture);
public:
    static void         initClass();
                        Texture(Desc&);

    static const char*  attribName()            { return "Texture"; }
    static const char*  steeringStr()   { return "steering"; }
    static const char*  stepoutStr()    { return "stepout"; }
    static const char*  gateStr()               { return "gate"; }
    static const char*  glcmsizeStr()           { return "glcmsize"; }
    static const char*  globalminStr()          { return "globalmin"; }
    static const char*  globalmaxStr()          { return "globalmax"; }

    void                initSteering()          { stdPrepSteering(stepout_); }
    void                prepareForComputeData();

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

    bool                allowParallelComputation() const;

    bool                getInputOutput(int input,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*        desStepout(int,int) const;
    const BinID*        reqStepout(int,int) const;
    const Interval<int>* desZSampMargin(int,int) const;
    int                 scaleVal(float) const;
    void                setFactorShift(float,float);

    int                 glcmsize_;
    float               scalingfactor_;
    float               scalingshift_;
    float               globalmin_;
    float               globalmax_;

    Interval<int>       sampgate_;
    Interval<float>     gate_;
    Interval<int>       dessampgate_;
    BinID               stepout_;

    struct PosAndSteeridx
    {
        TypeSet<int>    steeridx_;
        TypeSet<BinID>  pos_;
        TypeSet<int>    posidx_;
    };

    PosAndSteeridx      posandsteeridx_;

    ObjectSet<const DataHolder> inpdata_;
    int                 dataidx_;
    const DataHolder*   steeringdata_;
    int                 computeGLCM(int idx,int z0,Array2D<int>&) const;
    void                fillGLCM(int sampleidx,int z0,int posidx1,int posidx2,
                                 int& glcmcount,Array2D<int>& glcm) const;
};

} // namespace Attrib

#endif