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$$$$ DROI     NOTICE  CHAT      11/09/12    21:15:56     7124           
                                             DATE     11/09/12

    Operateur DROIT (alias D)                Voir aussi : COMP
    -------------------------   
    GEO1 = DROIT (N1) POIN1 POIN2  ('DINI' DENS1)  ('DFIN' DENS2) ;


    Description :
    ____________

    The DROIT operator constructs the straight line segment which 
 connects the following two points : POIN1 and POIN2.

    Contents :
    __________

    POIN1, POIN2 : points fixing the limits of the segment of straight 
                   line (POINT type)

    DENS1, DENS2 : densities associated with the points beginning and
                   ending the segment of straight line (FLOTTANT type)

    N1           : number of generated elements (ENTIER type)

    GEO1         : segment of straight line (MAILLAGE type)


    Note 1 :
    _________

    If N1 is not specified, the number of generated elements as well
as their size will be computed according to the extreme point densities.
    If N1 is specified and is positive, N1 elements of equal length
 will be generated.
    If N1 is negative, N1 elements will be generated and their  
 size will be computed according to the extreme point densities. 

    Note 2 :
    _________

   If the densities associated with the POIN1 and POIN2 points are 
 inaccurate, they may be increased. The accurate value of the first
 point will be mentioned after the 'DINI' key word, that of the 
 second point will be mentioned after the 'DFIN' key word.

    Note 3 :
    _________

    If a LIG1 line is given instead of the POIN1 point (or POIN2), 
 this line will be extended as far as the POIN2 point (it begins at
 the POIN1 point).
    If the POIN2 point is not given, the first extreme point of the
 LIG1 line will be taken into account, which permits to close this
 line.