% Change of length into longueur for new modes.mf (Nicolas Brouard 4/11/91)
input musicdef
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                             %
%                   BOGEN (KONKAV)                            %
%                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


def drawslursneg (expr i, j) =
    save jj, factor, longueur, depth;
    numeric jj,  absp, longueur, depth, factor;
    factor:= 1/6;
    longueur := j*nhw#;
    depth  := i*1/2nhh#;
    if  j<4 : jj := (j*(j-1)+(i-1))*8
    else:    jj := (i-1)*8+(j mod 2)*64+floor((j-2)/2);fi;
          beginchar(jj, longueur, 0, depth);
            clear;
            z2r = (w,-d);
            z1l = origin;
            absp := abs((d,w));
            if (factor*absp)>2nhh : factor:= 2nhh/absp fi;
            z3r = 1/2z2r+factor*(d,w);
            penpos1(thinwidth,90);
            penpos2(thinwidth,90);
            penpos3(5/12beamht,90);
            currentpen := pencircle xscaled thinwidth yscaled beamht ;
            penstroke (z1e..z3e..z2e) rotatedaround (1/2z2r,180);
          endchar;
enddef;

%%%%%%%%%%%%%%%%%%%%%%%
% negative Steigungen %
%%%%%%%%%%%%%%%%%%%%%%%

for j= 1 upto 17:
for i= 1 upto min(2j,8):
drawslursneg(i,j);
endfor;endfor;
end;