src/gen/genbeads.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 *  genbeads.c - generate a string of spheres using Hermite
 *              curve specification.
 *
 *     10/29/85
 */

#include  <stdio.h>
#include <stdlib.h>
#include  <math.h>

char  *mtype;           /* material type */

char  *name;            /* name */


main(argc, argv)
int  argc;
char  **argv;
{
        double  p0[3], p1[3], r0[3], r1[3];
        double  rad, inc;
        
        if (argc != 17) {
                fprintf(stderr, "Usage: %s material name p0 p1 r0 r1 rad inc\n",
                                         argv[0]);
                exit(1);
        }
        mtype = argv[1];
        name = argv[2];
        p0[0] = atof(argv[3]);
        p0[1] = atof(argv[4]);
        p0[2] = atof(argv[5]);
        p1[0] = atof(argv[6]);
        p1[1] = atof(argv[7]);
        p1[2] = atof(argv[8]);
        r0[0] = atof(argv[9]);
        r0[1] = atof(argv[10]);
        r0[2] = atof(argv[11]);
        r1[0] = atof(argv[12]);
        r1[1] = atof(argv[13]);
        r1[2] = atof(argv[14]);
        rad = atof(argv[15]);
        inc = atof(argv[16]);
        
        genstring(mtype, name, p0, p1, r0, r1, rad, inc);
        
        return(0);
}


genstring(mtype, name, p0, p1, r0, r1, rad, inc)
char  *mtype;
char  *name;
double  p0[3];
double  p1[3];
double  r0[3];
double  r1[3];
double  rad;
double  inc;
{
        register int  i;
        double  v[3];
        double  t;
        
        t = 0.0;
        for (i = 0; t <= 1.0; i++) {

                printf("\n%s sphere %s.%d\n", mtype, name, i);
                
                hermite3(v, p0, p1, r0, r1, t);
                
                printf("0\n0\n4 %18.12g %18.12g %18.12g %18.12g\n",
                                        v[0], v[1], v[2], rad);

                htan3(v, p0, p1, r0, r1, t);
                t += inc / sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);
        }
}
Revision:	2.5
Committed:	Sat Feb 22 02:07:23 2003 UTC (21 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad3R5
Changes since 2.4:	+2 -8 lines
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
#	Content
1	#ifndef lint
2	static const char RCSid[] = "$Id$";
3	#endif
4	/*
5	* genbeads.c - generate a string of spheres using Hermite
6	* curve specification.
7	*
8	* 10/29/85
9	*/
10
11	#include <stdio.h>
12	#include <stdlib.h>
13	#include <math.h>
14
15	char mtype; / material type */
16
17	char name; / name */
18
19
20	main(argc, argv)
21	int argc;
22	char **argv;
23	{
24	double p0[3], p1[3], r0[3], r1[3];
25	double rad, inc;
26
27	if (argc != 17) {
28	fprintf(stderr, "Usage: %s material name p0 p1 r0 r1 rad inc\n",
29	argv[0]);
30	exit(1);
31	}
32	mtype = argv[1];
33	name = argv[2];
34	p0[0] = atof(argv[3]);
35	p0[1] = atof(argv[4]);
36	p0[2] = atof(argv[5]);
37	p1[0] = atof(argv[6]);
38	p1[1] = atof(argv[7]);
39	p1[2] = atof(argv[8]);
40	r0[0] = atof(argv[9]);
41	r0[1] = atof(argv[10]);
42	r0[2] = atof(argv[11]);
43	r1[0] = atof(argv[12]);
44	r1[1] = atof(argv[13]);
45	r1[2] = atof(argv[14]);
46	rad = atof(argv[15]);
47	inc = atof(argv[16]);
48
49	genstring(mtype, name, p0, p1, r0, r1, rad, inc);
50
51	return(0);
52	}
53
54
55	genstring(mtype, name, p0, p1, r0, r1, rad, inc)
56	char *mtype;
57	char *name;
58	double p0[3];
59	double p1[3];
60	double r0[3];
61	double r1[3];
62	double rad;
63	double inc;
64	{
65	register int i;
66	double v[3];
67	double t;
68
69	t = 0.0;
70	for (i = 0; t <= 1.0; i++) {
71
72	printf("\n%s sphere %s.%d\n", mtype, name, i);
73
74	hermite3(v, p0, p1, r0, r1, t);
75
76	printf("0\n0\n4 %18.12g %18.12g %18.12g %18.12g\n",
77	v[0], v[1], v[2], rad);
78
79	htan3(v, p0, p1, r0, r1, t);
80	t += inc / sqrt(v[0]v[0] + v[1]v[1] + v[2]*v[2]);
81	}
82	}