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root/radiance/ray/src/ot/getbbox.c
Revision: 2.1
Committed: Tue Nov 12 17:01:01 1991 UTC (33 years ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 1.3: +0 -0 lines
Log Message:
updated revision number for release 2.0

File Contents

# User Rev Content
1 greg 1.1 /* Copyright (c) 1991 Regents of the University of California */
2    
3     #ifndef lint
4     static char SCCSid[] = "$SunId$ LBL";
5     #endif
6    
7     /*
8     * getbbox.c - compute bounding box for scene files
9     *
10     * Adapted from oconv.c 29 May 1991
11     */
12    
13     #include "standard.h"
14    
15     #include "octree.h"
16    
17     #include "object.h"
18    
19     #ifndef DEFPATH
20     #define DEFPATH ":/usr/local/lib/ray"
21     #endif
22    
23     char *progname; /* argv[0] */
24    
25     char *libpath; /* library search path */
26    
27     int nowarn = 0; /* supress warnings? */
28    
29     int (*addobjnotify[])() = {NULL}; /* new object notifier functions */
30    
31     FVECT bbmin, bbmax; /* bounding box */
32    
33     addobject(o) /* add object to bounding box */
34     OBJREC *o;
35     {
36     add2bbox(o, bbmin, bbmax);
37     }
38    
39    
40     main(argc, argv) /* read object files and compute bounds */
41     int argc;
42     char **argv;
43     {
44     char *getenv();
45     double atof();
46 greg 1.3 int nohead = 0;
47 greg 1.1 int i;
48    
49     progname = argv[0];
50    
51     if ((libpath = getenv("RAYPATH")) == NULL)
52     libpath = DEFPATH;
53    
54 greg 1.3 for (i = 1; i < argc && argv[i][0] == '-'; i++) {
55     switch (argv[i][1]) {
56     case 'w':
57     nowarn = 1;
58     continue;
59     case 'h':
60     nohead = 1;
61     continue;
62     }
63     break;
64     }
65 greg 1.1 /* find bounding box */
66     bbmin[0] = bbmin[1] = bbmin[2] = FHUGE;
67     bbmax[0] = bbmax[1] = bbmax[2] = -FHUGE;
68     /* read input */
69 greg 1.2 if (i >= argc)
70     readobj(NULL, addobject);
71     else
72     for ( ; i < argc; i++)
73     if (!strcmp(argv[i], "-")) /* from stdin */
74     readobj(NULL, addobject);
75     else /* from file */
76     readobj(argv[i], addobject);
77     /* print bounding box */
78 greg 1.3 if (!nohead)
79     printf(
80     " xmin xmax ymin ymax zmin zmax\n");
81    
82 greg 1.1 printf("%9g %9g %9g %9g %9g %9g\n", bbmin[0], bbmax[0],
83     bbmin[1], bbmax[1], bbmin[2], bbmax[2]);
84     quit(0);
85     }
86    
87    
88     quit(code) /* exit program */
89     int code;
90     {
91     exit(code);
92     }
93    
94    
95     cputs() /* interactive error */
96     {
97     /* referenced, but not used */
98     }
99    
100    
101     wputs(s) /* warning message */
102     char *s;
103     {
104     if (!nowarn)
105     eputs(s);
106     }
107    
108    
109     eputs(s) /* put string to stderr */
110     register char *s;
111     {
112     static int inln = 0;
113    
114     if (!inln++) {
115     fputs(progname, stderr);
116     fputs(": ", stderr);
117     }
118     fputs(s, stderr);
119     if (*s && s[strlen(s)-1] == '\n')
120     inln = 0;
121     }