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


def drawslurs (expr i,j) =
    save jj, factor, longueur, height;
    numeric jj,  absp, longueur, height, factor;
    factor:= 1/6;
    height := i*1/2nhh#;
    longueur := j*nhw#;
    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, height, 0);
            clear;
            z2r = (w,h);
            z1l = origin;
            absp := abs((-h,w));
            if (factor*absp)>2nhh : factor:= 2nhh/absp fi;
            z3r = 1/2z2r+factor*(-h,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;

%%%%%%%%%%%%%%%%%%%%%%%
% positive Steigungen %
%%%%%%%%%%%%%%%%%%%%%%%

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