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
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2	greg	2.5	static const char RCSid[] = "$Id$";
3	greg	1.1	#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	greg	2.5	#include <stdlib.h>
13	greg	2.3	#include <math.h>
14	greg	1.1
15			char mtype; / material type */
16
17			char name; / name */
18	greg	2.4
19	greg	1.1
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			}