!This file is part of VEL_demo, copyright David Keyes, 2007. 
    !
    !This source file is free software: you can redistribute it and/or modify
    !it under the terms of the GNU General Public License as published by
    !the Free Software Foundation, either version 3 of the License, or
    !(at your option) any later version.
    !
    !This code is distributed in the hope that it will be useful,
    !but WITHOUT ANY WARRANTY; without even the implied warranty of
    !MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    !GNU General Public License for more details.
    !
    !For terms of the GNU General Public license see <http://www.gnu.org/licenses/>.

LOCAL DRAWING MODULE slash(
FLOAT slash_len);


BEGINMODULE

  lin_ang(#2, vecp(slash_len*0.5, 225) , 45, slash_len ); ! vecp =  polar co-ordinates !

ENDMODULE