| 59 |
|
current point in the command argument list. |
| 60 |
|
Each line in the file will result in a logically separate invocation of |
| 61 |
|
.I xform, |
| 62 |
< |
and may may contain any valid |
| 62 |
> |
and may contain any valid |
| 63 |
|
.I xform |
| 64 |
|
arguments, including nested |
| 65 |
|
.I \-f |
| 84 |
|
cannot simultaneously take its scene information from the standard input |
| 85 |
|
if the option is used in this way. |
| 86 |
|
Competely empty lines and lines beginning with a pound sign ('#') will be |
| 87 |
< |
silently ignored. |
| 87 |
> |
passed through to the output. |
| 88 |
|
Beginning "!xform" or "xform" command names will also be ignored. |
| 89 |
|
.PP |
| 90 |
|
If one or more scene files are given on the command line, |
| 167 |
|
To rotate ``book'' 30 degrees about the x axis then |
| 168 |
|
move 20 in y, prepending the name book1: |
| 169 |
|
.IP "" .2i |
| 170 |
< |
xform -n book1 -rx 30 -t 0 20 0 book > book1 |
| 170 |
> |
xform \-n book1 \-rx 30 \-t 0 20 0 book > book1 |
| 171 |
|
.PP |
| 172 |
|
To expand all commands and see what information is actually used by RADIANCE: |
| 173 |
|
.IP "" .2i |
| 176 |
|
To create a two-dimensional array of 20 lights, after an initial rotation |
| 177 |
|
and followed by a global translation (no command expansion): |
| 178 |
|
.IP "" .2i |
| 179 |
< |
xform -c -rz 90 -a 5 -t 2 0 0 -a 4 -t 0 1.5 0 -i 1 -t 0 0 10 light |
| 179 |
> |
xform \-c \-rz 90 \-a 5 \-t 2 0 0 \-a 4 \-t 0 1.5 0 \-i 1 \-t 0 0 10 light |
| 180 |
|
.SH ENVIRONMENT |
| 181 |
|
RAYPATH path to search for scene files |
| 182 |
|
.SH AUTHOR |
| 184 |
|
.SH BUGS |
| 185 |
|
Only regular (distortion-free) transformations are allowed. |
| 186 |
|
.SH "SEE ALSO" |
| 187 |
< |
genbox(1), gensurf(1), oconv(1), replmarks(1), rpict(1), rview(1) |
| 187 |
> |
genbox(1), gensurf(1), oconv(1), replmarks(1), rpict(1), rvu(1) |
