| 180 |
|
converts from a Radiance picture to other values, which is the |
| 181 |
|
default. |
| 182 |
|
.TP |
| 183 |
+ |
.BI \-p " xr yr xg yg xb yb xw yw" |
| 184 |
+ |
On reverse conversion, RGB input uses the given set of color primaries. |
| 185 |
+ |
These are written into the output header with the PRIMARIES variable. |
| 186 |
+ |
.TP |
| 187 |
+ |
.BR \-pXYZ |
| 188 |
+ |
On reverse conversion, input is in CIE XYZ coordinates, rather than RGB. |
| 189 |
+ |
The Y channel is assumed to be in candelas/meter^2. |
| 190 |
+ |
.TP |
| 191 |
|
.BI -y \ res |
| 192 |
|
Set the output y resolution to |
| 193 |
|
.I res. |
| 233 |
|
To convert from a 512x400 8-bit greyscale image in bottom to top, |
| 234 |
|
left to right scanline ordering: |
| 235 |
|
.IP "" .2i |
| 236 |
< |
pvalue \-r \-db \-b \-h +y 400 +x 512 input.im > flipped.pic |
| 236 |
> |
pvalue \-r \-db \-b \-h +y 400 +x 512 input.im > flipped.hdr |
| 237 |
|
.br |
| 238 |
< |
pflip \-v flipped.pic > final.pic |
| 238 |
> |
pflip \-v flipped.hdr > final.hdr |
| 239 |
|
.SH AUTHOR |
| 240 |
|
Greg Ward |
| 241 |
|
.SH BUGS |
| 249 |
|
the scanline ordering or picture size. |
| 250 |
|
.SH "SEE ALSO" |
| 251 |
|
getinfo(1), pcompos(1), pfilt(1), pflip(1), |
| 252 |
< |
protate(1), rpict(1), rtrace(1), rvu(1) |
| 252 |
> |
protate(1), ra_xyze(1), rpict(1), rtrace(1), rvu(1) |