| 166 |
|
.I \-bn |
| 167 |
|
option, and this is critical for output files containing multiple values |
| 168 |
|
per record. |
| 169 |
+ |
A variable or constant name may be given for this parameter if |
| 170 |
+ |
it has been defined via a previous |
| 171 |
+ |
.I \-f |
| 172 |
+ |
or |
| 173 |
+ |
.I \-e |
| 174 |
+ |
option. |
| 175 |
|
Since bin numbers start from 0, the bin count is always equal to |
| 176 |
|
the last bin plus 1. |
| 177 |
|
Set the this value to 0 if the bin count is unknown (the default). |
| 182 |
|
.I \-o |
| 183 |
|
options to the left of each |
| 184 |
|
.I \-m |
| 185 |
< |
setting affect only that modifier. |
| 185 |
> |
setting are the ones used for that modifier. |
| 186 |
|
The ordering of other options is unimportant, except for |
| 187 |
|
.I \-x |
| 188 |
|
and |
| 189 |
|
.I \-y |
| 190 |
|
if the |
| 191 |
|
.I \-c |
| 192 |
< |
is present, when they control the resolution string |
| 192 |
> |
is 0, when they control the resolution string |
| 193 |
|
produced in the corresponding output. |
| 194 |
|
.PP |
| 195 |
|
If a |
| 282 |
|
.IP "" .2i |
| 283 |
|
vwrays \-ff \-x 1024 \-y 1024 \-vf best.vf | |
| 284 |
|
rtcontrib \-ffc `vwrays \-d \-x 1024 \-y 1024 \-vf best.vf` |
| 285 |
< |
@render.opt \-o c_%s.pic \-m light1 \-m light2 scene.oct |
| 285 |
> |
@render.opt \-o c_%s.hdr \-m light1 \-m light2 scene.oct |
| 286 |
|
.PP |
| 287 |
|
These images may then be recombined using the desired outputs |
| 288 |
|
of light1 and light2: |
| 289 |
|
.IP "" .2i |
| 290 |
< |
pcomb \-c 100 90 75 c_light1.pic \-c 50 55 57 c_light2.pic > combined.pic |
| 290 |
> |
pcomb \-c 100 90 75 c_light1.hdr \-c 50 55 57 c_light2.hdr > combined.hdr |
| 291 |
|
.PP |
| 292 |
|
To compute an array of illuminance contributions according to a Tregenza sky: |
| 293 |
|
.IP "" .2i |
| 298 |
|
.SH AUTHOR |
| 299 |
|
Greg Ward |
| 300 |
|
.SH "SEE ALSO" |
| 301 |
< |
cnt(1), getinfo(1), pcomb(1), pfilt(1), ra_rgbe(1), |
| 301 |
> |
cnt(1), genklemsamp(1), getinfo(1), pcomb(1), pfilt(1), ra_rgbe(1), |
| 302 |
|
rcalc(1), rpict(1), rtrace(1), total(1), vwrays(1), ximage(1) |
