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 |
|
|
} |