$$$$ DIFF     NOTICE  CHAT      11/09/12    21:15:53     7124           
                                             DATE     11/09/12
                                             
    Operateur DIFFERENCE SYMETRIQUE          Voir aussi :
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    GEO1 = DIFF  GEO2 GEO3 ;


Section : Maillage Manipulation

FRAN==========================================================
    Objet :
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   L'operateur DIFF construit un objet qui est la difference symetrique
de deux objets.

    Commentaire :
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    GEOi : objets de type MAILLAGE

    Remarque :  a DIFF b = ( a union b) - (a inter b)
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ANGL==========================================================
    Description :
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    The DIFF operator constructs an object which stems from the
 symmetric difference of two objects.

    Contents :
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    GEOi : MAILLAGE type objects

    Note :  a DIFF b = ( a union b) - (a inter b)
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