Syntax
=====
               

.. code-block:: text

    mesh = MODI_MAILLAGE (
        ◆ reuse = <objet de MAILLAGE >,
        ◆ MAILLAGE = mesh,
        ◆ | ORIE_CRACK = _F (
               ◆ GROUP_MA = Grma,
            ),
          | WARP = _F (
               ◆ OPTION = "TRAN" (or not specified),
               ◆/DEPL = cham_no,
                 /ALEA = float,
            ),
          | ORIE_SKIN = _F (
               ◆ GROUP_MA_PEAU = Grma,
               ◇ GROUP_MA_INTERNE = Grma,
            ),
          | ORIE_NORM_SHELL = _F (
               ◆ GROUP_MA = Grma,
               ◇ VECT_NORM = float,
               # If: exists (" VECT_NORM ")
                   ◇ GROUP_NO = big,
            ),
          | MODI_MESH = _F (
               ◆ OPTION = "NOEUD_QUART" (or not specified),
               ◆ | GROUP_MY_BACKGROUND = grma,
                 | GROUP_NO_BACKGROUND = grno,
            ),
          | TRANSLATION = float,
          | ROTATION = _F (
               ◆ POIN_1 = float,
               ◇ ANGLE = float (default: 0.0),
               ◇/POIN_2 = float,
                 /DIR = float,
            ),
          | MODI_BASE = _F (
               ◆ VECT_X = float,
               ◇ VECT_Y = float,
            ),
          | SCALE = float,
          | SYMMETRY = _F (
               ◆ POINT = float,
               ◆ AXE_1 = float,
               ◇ AXE_2 = float,
            ),
          | ORIE_LINE = _F (
               ◆ GROUP_MA = Grma,
               ◇ VECT_TANG = float,
               # If: exists (" VECT_TANG ")
                   ◆ GROUP_NO = big,
            ),
          | ABSC_CURV = _F (
               ◆/TOUT = "OUI" (or not specified),
                 /GROUP_MA = grma,
               ◇ GROUP_NO_ORIG = big,
            ),
        ◇ INFO =/1 (by default),
                 /2,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices