arraytesselator.h

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#pragma once
 
/*+
________________________________________________________________________
(C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
Author:        Yuancheng Liu
Date:          April 2011
RCS:           $Id$
________________________________________________________________________
 
-*/
 
#include "geometrymod.h"
#include "arraynd.h"
#include "ranges.h"
 
 
template <class T> class Array2D;
 
namespace Geometry
{
 
mExpClass(Geometry) ArrayTesselator : public ParallelTask
{ mODTextTranslationClass(ArrayTesselator)
public:
                        ArrayTesselator(const float* data,
                                        int datarowsize,int datacolsize,
                                        const StepInterval<int>& rrg,
                                        const StepInterval<int>& crg);
 
                        ArrayTesselator(const Array2D<float>& data,
                                        const StepInterval<int>& rrg,
                                        const StepInterval<int>& crg);
 
    od_int64            nrIterations() const
                        { return (rowrange_.nrSteps()+1) *
                                 (colrange_.nrSteps()+1); }
 
    virtual int         getCoordIndex(int row,int col)  { return 0; }
    const char*         message() const { return "Tesselating geometry"; }
 
                        /*<s= 0 for points, 1 for lines, 2 for triangles.*/
    const TypeSet<int>& arrayIndexes(char s=2) const;
 
    uiString                    uiNrDoneText() const;
 
protected:
 
    bool                        doWork(od_int64 start,od_int64 stop,int);
 
    int                         maxNrThreads() const    { return 1; }
 
    const float*                data_;
    int                         datarowsize_;
    int                         datacolsize_;
    const StepInterval<int>&    rowrange_;
    const StepInterval<int>&    colrange_;
 
    TypeSet<int>                pointcis_;
    TypeSet<int>                linecis_;
    TypeSet<int>                stripcis_;
 
 
public:
                        /*<s= 0 for points, 1 for lines, 2 for triangles.*/
    mDeprecated("Use arrayIndexes")
    TypeSet<int>        getIndices(char s=2) const
                        { return s==2 ? stripcis_ : (s ? linecis_ : pointcis_);}
};
 
} // namespace Geometry