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/* Copyright (c) 1991 Regents of the University of California */
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#ifndef lint
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static char SCCSid[] = "$SunId$ LBL";
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#endif
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/*
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* getbbox.c - compute bounding box for scene files
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*
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* Adapted from oconv.c 29 May 1991
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*/
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#include "standard.h"
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#include "octree.h"
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#include "object.h"
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#ifndef DEFPATH
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#define DEFPATH ":/usr/local/lib/ray"
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#endif
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char *progname; /* argv[0] */
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char *libpath; /* library search path */
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int nowarn = 0; /* supress warnings? */
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int (*addobjnotify[])() = {NULL}; /* new object notifier functions */
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FVECT bbmin, bbmax; /* bounding box */
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addobject(o) /* add object to bounding box */
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OBJREC *o;
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{
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add2bbox(o, bbmin, bbmax);
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}
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main(argc, argv) /* read object files and compute bounds */
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int argc;
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char **argv;
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{
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extern char *getenv();
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int nohead = 0;
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int i;
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progname = argv[0];
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if ((libpath = getenv("RAYPATH")) == NULL)
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libpath = DEFPATH;
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for (i = 1; i < argc && argv[i][0] == '-'; i++) {
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switch (argv[i][1]) {
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case 'w':
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nowarn = 1;
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continue;
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case 'h':
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nohead = 1;
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continue;
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}
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break;
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}
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/* find bounding box */
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bbmin[0] = bbmin[1] = bbmin[2] = FHUGE;
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bbmax[0] = bbmax[1] = bbmax[2] = -FHUGE;
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/* read input */
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if (i >= argc)
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readobj(NULL, addobject);
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else
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for ( ; i < argc; i++)
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if (!strcmp(argv[i], "-")) /* from stdin */
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readobj(NULL, addobject);
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else /* from file */
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readobj(argv[i], addobject);
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/* print bounding box */
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if (!nohead)
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printf(
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" xmin xmax ymin ymax zmin zmax\n");
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printf("%9g %9g %9g %9g %9g %9g\n", bbmin[0], bbmax[0],
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bbmin[1], bbmax[1], bbmin[2], bbmax[2]);
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quit(0);
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}
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quit(code) /* exit program */
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int code;
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{
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exit(code);
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}
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cputs() /* interactive error */
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{
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/* referenced, but not used */
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}
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wputs(s) /* warning message */
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char *s;
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{
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if (!nowarn)
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eputs(s);
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}
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eputs(s) /* put string to stderr */
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register char *s;
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{
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static int inln = 0;
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if (!inln++) {
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fputs(progname, stderr);
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fputs(": ", stderr);
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}
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fputs(s, stderr);
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if (*s && s[strlen(s)-1] == '\n')
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inln = 0;
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}
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