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1 set terminal postscript; set output 'ps_symbols.ps'
2 set noborder; set nozeroaxis; set noxtics; set noytics
3 set xlabel ''; set ylabel ''; set nokey; set size square;
4 set xrange [-1.2:1.2]; set yrange [-1.2:1.2]; set parametric; set samples 2
5 f(x)=cos(pi*x/38.0); g(x)=sin(pi*x/38.0)
6 set label '(#70--75 are opaque)' at 0,0 center
7 set label '0' at 1.07*f(0), 1.07*g(0) center
8 set label '10' at 1.07*f(10), 1.07*g(10) center
9 set label '20' at 1.07*f(20), 1.07*g(20) center
10 set label '30' at 1.07*f(30), 1.07*g(30) center
11 set label '40' at 1.07*f(40), 1.07*g(40) center
12 set label '50' at 1.07*f(50), 1.07*g(50) center
13 set label '60' at 1.07*f(60), 1.07*g(60) center
14 set label '70' at 1.07*f(70), 1.07*g(70) center
15
16 set noarrow
17 f1(x)=0.45 *cos(pi*x/38.0); g1(x)=0.45 *sin(pi*x/38.0)
18 f2(x)=0.97*cos(pi*x/38.0); g2(x)=0.97*sin(pi*x/38.0)
19 l= 0; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
20 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
21 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
22 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
23 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
24 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
25 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
26 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
27 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
28 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
29 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
30 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
31 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
32 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
33 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
34 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
35 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
36 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
37 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
38 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
39 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
40 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
41 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
42 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
43 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
44 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
45 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
46 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
47 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
48 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
49 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
50 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
51 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
52 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
53 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
54 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
55 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
56 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
57 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
58 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
59 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
60 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
61 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
62 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
63 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
64 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
65 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
66 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
67 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
68 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
69 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
70 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
71 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
72 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
73 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
74 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
75 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
76 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
77 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
78 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
79 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
80 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
81 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
82 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
83 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
84 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
85 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
86 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
87 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
88 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
89 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
90 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
91 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
92 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
93 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
94 l=l+1; set arrow from f1(l),g1(l) to f2(l),g2(l) nohead lt l
95
96 plot f( 0),g( 0) w p 0 0,\
97 f( 1),g( 1) w p 0 1, f( 2),g( 2) w p 0 2, f( 3),g( 3) w p 0 3,\
98 f( 4),g( 4) w p 0 4, f( 5),g( 5) w p 0 5, f( 6),g( 6) w p 0 6,\
99 f( 7),g( 7) w p 0 7, f( 8),g( 8) w p 0 8, f( 9),g( 9) w p 0 9,\
100 f(10),g(10) w p 0 10, f(11),g(11) w p 0 11, f(12),g(12) w p 0 12,\
101 f(13),g(13) w p 0 13, f(14),g(14) w p 0 14, f(15),g(15) w p 0 15,\
102 f(16),g(16) w p 0 16, f(17),g(17) w p 0 17, f(18),g(18) w p 0 18,\
103 f(19),g(19) w p 0 19, f(20),g(20) w p 0 20, f(21),g(21) w p 0 21,\
104 f(22),g(22) w p 0 22, f(23),g(23) w p 0 23, f(24),g(24) w p 0 24,\
105 f(25),g(25) w p 0 25, f(26),g(26) w p 0 26, f(27),g(27) w p 0 27,\
106 f(28),g(28) w p 0 28, f(29),g(29) w p 0 29, f(30),g(30) w p 0 30,\
107 f(31),g(31) w p 0 31, f(32),g(32) w p 0 32, f(33),g(33) w p 0 33,\
108 f(34),g(34) w p 0 34, f(35),g(35) w p 0 35, f(36),g(36) w p 0 36,\
109 f(37),g(37) w p 0 37, f(38),g(38) w p 0 38, f(39),g(39) w p 0 39,\
110 f(40),g(40) w p 0 40, f(41),g(41) w p 0 41, f(42),g(42) w p 0 42,\
111 f(43),g(43) w p 0 43, f(44),g(44) w p 0 44, f(45),g(45) w p 0 45,\
112 f(46),g(46) w p 0 46, f(47),g(47) w p 0 47, f(48),g(48) w p 0 48,\
113 f(49),g(49) w p 0 49, f(50),g(50) w p 0 50, f(51),g(51) w p 0 51,\
114 f(52),g(52) w p 0 52, f(53),g(53) w p 0 53, f(54),g(54) w p 0 54,\
115 f(55),g(55) w p 0 55, f(56),g(56) w p 0 56, f(57),g(57) w p 0 57,\
116 f(58),g(58) w p 0 58, f(59),g(59) w p 0 59, f(60),g(60) w p 0 60,\
117 f(61),g(61) w p 0 61, f(62),g(62) w p 0 62, f(63),g(63) w p 0 63,\
118 f(64),g(64) w p 0 64, f(65),g(65) w p 0 65, f(66),g(66) w p 0 66,\
119 f(67),g(67) w p 0 67, f(68),g(68) w p 0 68, f(69),g(69) w p 0 69,\
120 f(70),g(70) w p 0 70, f(71),g(71) w p 0 71, f(72),g(72) w p 0 72,\
121 f(73),g(73) w p 0 73, f(74),g(74) w p 0 74, f(75),g(75) w p 0 75
122