ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/radiance/ray/src/util/vwright.c
Revision: 2.4
Committed: Sat Feb 22 02:07:30 2003 UTC (21 years, 1 month ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad3R5
Changes since 2.3: +1 -4 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

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 greg 2.4 static const char RCSid[] = "$Id$";
3 greg 2.1 #endif
4     /*
5     * Move a viewpoint the given distance to the right
6     */
7    
8    
9     #include "standard.h"
10    
11     #include "view.h"
12    
13 greg 2.3 #include <ctype.h>
14    
15 greg 2.2 VIEW vw = STDVIEW;
16 greg 2.1
17     char *progname;
18    
19    
20     main(argc, argv)
21     int argc;
22     char *argv[];
23     {
24     char linebuf[256];
25 greg 2.2 char *err;
26 greg 2.1 int gotview = 0;
27 greg 2.3 FVECT hvn, vvn;
28 greg 2.1 double dist;
29     register int i;
30    
31     progname = argv[0];
32 greg 2.3 if (argc != 2)
33     goto userr;
34 greg 2.1 while (fgets(linebuf, sizeof(linebuf), stdin) != NULL) {
35     if (linebuf[0] == '\n')
36     break;
37 greg 2.2 if (isview(linebuf) && sscanview(&vw, linebuf) > 0)
38 greg 2.1 gotview++;
39     }
40     if (!gotview) {
41     fprintf(stderr, "%s: no view on standard input\n", progname);
42     exit(1);
43     }
44 greg 2.2 if ((err= setview(&vw)) != NULL) {
45     fprintf(stderr, "%s: %s\n", progname, err);
46 greg 2.1 exit(1);
47     }
48 greg 2.3 VCOPY(hvn, vw.hvec);
49     normalize(hvn);
50     VCOPY(vvn, vw.vvec);
51     normalize(vvn);
52     if (isalpha(argv[1][0])) { /* print out variables */
53     switch (vw.type) {
54     case VT_PER: i=1; break;
55     case VT_PAR: i=2; break;
56     case VT_ANG: i=3; break;
57     case VT_HEM: i=4; break;
58     case VT_CYL: i=5; break;
59     default: i=0; break;
60     }
61     printf("%st:%d;", argv[1], i);
62     printf("%spx:%g;%spy:%g;%spz:%g;", argv[1], vw.vp[0],
63     argv[1], vw.vp[1], argv[1], vw.vp[2]);
64     printf("%sdx:%g;%sdy:%g;%sdz:%g;", argv[1], vw.vdir[0],
65     argv[1], vw.vdir[1], argv[1], vw.vdir[2]);
66     printf("%sux:%g;%suy:%g;%suz:%g;", argv[1], vw.vup[0],
67     argv[1], vw.vup[1], argv[1], vw.vup[2]);
68     printf("%sh:%g;%sv:%g;", argv[1], vw.horiz,
69     argv[1], vw.vert);
70     printf("%ss:%g;%sl:%g;%so:%g;%sa:%g;",
71     argv[1], vw.hoff, argv[1], vw.voff,
72     argv[1], vw.vfore, argv[1], vw.vaft);
73     printf("%shx:%g;%shy:%g;%shz:%g;%shn:%g;",
74     argv[1], hvn[0], argv[1], hvn[1],
75     argv[1], hvn[2], argv[1], sqrt(vw.hn2));
76     printf("%svx:%g;%svy:%g;%svz:%g;%svn:%g;\n",
77     argv[1], vvn[0], argv[1], vvn[1],
78     argv[1], vvn[2], argv[1], sqrt(vw.vn2));
79     exit(0);
80     }
81     if (!isflt(argv[1]))
82     goto userr;
83     dist = atof(argv[1]);
84 greg 2.1 for (i = 0; i < 3; i++)
85 greg 2.3 vw.vp[i] += dist*hvn[i];
86 greg 2.2 fprintview(&vw, stdout);
87 greg 2.1 putchar('\n');
88     exit(0);
89 greg 2.3 userr:
90     fprintf(stderr, "Usage: %s {offset|name}\n", progname);
91     exit(1);
92 greg 2.1 }