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Translation variant, n phase pixel export operation

Pseudo code of the operation:

OutPixOp(In, PixOp)
{
    for p = 1 to PixOp.nrPhases();
    {
        PixOp.init(p)
        foreach i in In
            PixOp.doIt(In(i), i.x, i.y, i.z);
        PixOp.done(p)
    }
}

The requirements on the PixOpT template parameter expressed as class definition are:

template<class ArithT>
class PixOpT
{
public:
    typedef HxTagPixOpOut   DirectionCategory;
    typedef HxTagTransVar   TransVarianceCategory;
    typedef HxTagNPhase     PhaseCategory;

                        PixOpT(HxTagList&, int w, int h, int d);

    void                doIt(const ArithT& v, int x, int y, int z);

    int                 nrPhases() const;
    void                init(int phase);
    void                done(int phase);

    static HxString     className();
};

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