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% nembiaxi.mp
% L. Nobre G.
% 2002
input featpost3Dplus2D;
beginfig(1);
f := 1.3*(4,5,3);
Spread := 70;
numeric hstep, hmax, hsdev, basestep, basemax, basesdev;
numeric i, j, k, angsdev, cylength, cyradius, basen, hn;
numeric vcx, vcy, vcz, hcurr, xcurr, ycurr, hbase, aone;
numeric atwo, zcurr, counter;
color lenvec, currpos, xnoise, tmpcol;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Nb
cylength := 0.45;
cyradius := 0.1;
basen := 5;
hn := 3;
basestep := cylength*1.65;
hstep := cylength;
basesdev := basestep*0.1;
hsdev := hstep*0.1;
hbase := -0.8;
angsdev := 12;
basemax := basen*basestep;
hmax := hn*hstep;
counter := 0;
for i=1 upto basen:
for j=1 upto basen:
hcurr := hbase;
forever:
exitunless hcurr < hmax+hbase;
hcurr := hcurr + hstep;
zcurr := hcurr + hsdev*normaldeviate;
xcurr := i*basestep + basesdev*normaldeviate;
ycurr := j*basestep + basesdev*normaldeviate;
aone := uniformdeviate( 10 )-5;
atwo := angsdev*normaldeviate;
vcz := cosd( atwo );
vcy := sind( atwo )*sind( aone );
vcx := sind( atwo )*cosd( aone );
currpos := ( xcurr, ycurr, zcurr );
xnoise := ( sind( angsdev*normaldeviate ), 0, 0 );
xnoise := green + xnoise;
tmpcol := ncrossprod( ( vcx, vcy, vcz ), xnoise );
lenvec := cylength*tmpcol;
% rigorousdisc( 0, true, currpos-0.5*lenvec, cyradius, lenvec);
counter := incr( counter );
generateonebiax( counter, aone, atwo, cylength,
90, 0.35*cylength, currpos );
endfor;
endfor;
endfor;
NL := counter;
director_invisible( false, 7, true );
endfig;
end;
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