1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
% nemuniax.mp
% L. Nobre G.
% 2003
%input featpost3Dplus2D;
beginfig(1);
f := 2*(5,3,4);
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;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Nu
cylength := 0.6;
cyradius := 0.1;
basen := 12;
hn := 5;
basestep := cyradius*3.1;
hstep := cylength*1.5;
basesdev := cyradius*0.1;
hsdev := hstep*0.2;
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( 360 );
atwo := angsdev*normaldeviate;
vcz := cosd( atwo );
vcy := sind( atwo )*sind( aone );
vcx := sind( atwo )*cosd( aone );
currpos := ( xcurr, ycurr, zcurr );
lenvec := cylength*( vcx, vcy, vcz );
% rigorousdisc( 0, true, currpos-0.5*lenvec, cyradius, lenvec);
counter := incr( counter );
generatedirline( counter, aone, 90-atwo, cylength, currpos );
% generateonebiax( counter, aone, 90-atwo, cylength,
% -60, 0.25*cylength, currpos );
endfor;
endfor;
endfor;
NL := counter;
director_invisible( true, 5, false );
% director_invisible( false, 5, true );
endfig;
end;
|