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$$$$ @POLO    NOTICE  CHAT      11/09/12    21:17:40     7124           
                                             DATE     11/09/12


          CETTE PROCEDURE A ETE MISE GRACIEUSEMENT
         A DISPOSITION DE LA COMMUNAUTE  CASTEM2000
             PAR P. LIBEYRE ( CEA/DSM/DRFC )


  Procedure @POLO                           Voir aussi :
     ---------------   
     TABCHB TAB2 = @POLO TAGEO1 TABOB1 ( PL1 ) ;
     


  Description :
  -------------

  Calculation of a coloidal magnetic field generated by a set of
  coils.


  Input data :

  TAGEO1        table containing (TABLE type)           
     i          geometrical object where the magnetic field is
                requested to be calculated (MAILLAGE type)

  TABOB1        two-index table containing the data relative to
                the coils (TABLE type)  
                - 1st index :
     i          coil number (ENTIER type)
                - 2nd index (for each coil) :
     COUL       coil color (see range of colors in COUL)
     RI         inside radius (FLOTTANT type)
     RE         outside radius (FLOTTANT type)
     H          section height (FLOTTANT type)
     C          section centre (POINT type)
     V          vector normal to the section (POINT type)
     SOL        solenation : global electrical current in the coil =
                current * number of coils (FLOTTANT type)
                + non compulsory options (in 1st index) :
     TRAC1      if any : trace of the coils mesh
     TRAC2      if any : trace of the coils contour in the section
                         planes

  PL1           two-index table containing the definition
                of the section planes (optional / TABLE type)
                - 1st index :
     i          plane number (ENTIER type)
                - 2nd index (two possibilities) :       
                1/ for defining each plane :
     PP         any point of the plane (POINT type)
     VP         normal vector (POINT type)
                2/ for resuming an already computed contour
     MAIL       contour of the coils in the section plane
                (MAILLAGE type)                         

  Output data :

  TABCHB        table containing (TABLE type)           
     i          Biot and Savart field relative to the i-th
                mesh GEO1 (CHPOINT type)

  TAB2          table containing (TABLE type)
  BOBMAI.i      mesh of each coil i (MAILLAGE type)
  LIG.j         set of sections on the plane j
                (MAILLAGE type)
  CHBLIG.j      magnetic field relative to the mesh LIG.j
                (CHPOINT type)
                                                        
  Notes :

  The following magnitudes are "solid" in the procedure :
                                                        
  NELE          number of elements generated during rotations 
                performed at the creation of the coil mesh
  COEF1         coefficient establishing the critical distance
                in the selection of the points when searching for 
                the contour