1 |
/* Copyright (c) 1986 Regents of the University of California */ |
2 |
|
3 |
#ifndef lint |
4 |
static char SCCSid[] = "$SunId$ LBL"; |
5 |
#endif |
6 |
|
7 |
/* |
8 |
* genbeads.c - generate a string of spheres using Hermite |
9 |
* curve specification. |
10 |
* |
11 |
* 10/29/85 |
12 |
*/ |
13 |
|
14 |
#include <stdio.h> |
15 |
#include <math.h> |
16 |
|
17 |
char *mtype; /* material type */ |
18 |
|
19 |
char *name; /* name */ |
20 |
|
21 |
|
22 |
main(argc, argv) |
23 |
int argc; |
24 |
char **argv; |
25 |
{ |
26 |
double p0[3], p1[3], r0[3], r1[3]; |
27 |
double rad, inc; |
28 |
|
29 |
if (argc != 17) { |
30 |
fprintf(stderr, "Usage: %s material name p0 p1 r0 r1 rad inc\n", |
31 |
argv[0]); |
32 |
exit(1); |
33 |
} |
34 |
mtype = argv[1]; |
35 |
name = argv[2]; |
36 |
p0[0] = atof(argv[3]); |
37 |
p0[1] = atof(argv[4]); |
38 |
p0[2] = atof(argv[5]); |
39 |
p1[0] = atof(argv[6]); |
40 |
p1[1] = atof(argv[7]); |
41 |
p1[2] = atof(argv[8]); |
42 |
r0[0] = atof(argv[9]); |
43 |
r0[1] = atof(argv[10]); |
44 |
r0[2] = atof(argv[11]); |
45 |
r1[0] = atof(argv[12]); |
46 |
r1[1] = atof(argv[13]); |
47 |
r1[2] = atof(argv[14]); |
48 |
rad = atof(argv[15]); |
49 |
inc = atof(argv[16]); |
50 |
|
51 |
genstring(mtype, name, p0, p1, r0, r1, rad, inc); |
52 |
|
53 |
return(0); |
54 |
} |
55 |
|
56 |
|
57 |
genstring(mtype, name, p0, p1, r0, r1, rad, inc) |
58 |
char *mtype; |
59 |
char *name; |
60 |
double p0[3]; |
61 |
double p1[3]; |
62 |
double r0[3]; |
63 |
double r1[3]; |
64 |
double rad; |
65 |
double inc; |
66 |
{ |
67 |
register int i; |
68 |
double v[3]; |
69 |
double t; |
70 |
|
71 |
t = 0.0; |
72 |
for (i = 0; t <= 1.0; i++) { |
73 |
|
74 |
printf("\n%s sphere %s.%d\n", mtype, name, i); |
75 |
|
76 |
hermite3(v, p0, p1, r0, r1, t); |
77 |
|
78 |
printf("0\n0\n4 %18.12g %18.12g %18.12g %18.12g\n", |
79 |
v[0], v[1], v[2], rad); |
80 |
|
81 |
htan3(v, p0, p1, r0, r1, t); |
82 |
t += inc / sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]); |
83 |
} |
84 |
} |