| 42 |
|
.TP 10n |
| 43 |
|
.BR \-u |
| 44 |
|
Print only unique values in the output, skipping runs of equal pixels. |
| 45 |
+ |
For reverse conversions, the |
| 46 |
+ |
.I \-u |
| 47 |
+ |
option writes uncompressed output rather than the standard run-length RGBE |
| 48 |
+ |
encoding. |
| 49 |
|
Specifying |
| 50 |
|
.I \+u |
| 51 |
|
turns this option off, which is the default. |
| 184 |
|
converts from a Radiance picture to other values, which is the |
| 185 |
|
default. |
| 186 |
|
.TP |
| 187 |
+ |
.BI \-p " xr yr xg yg xb yb xw yw" |
| 188 |
+ |
On reverse conversion, RGB input uses the given set of color primaries. |
| 189 |
+ |
These are written into the output header with the PRIMARIES variable. |
| 190 |
+ |
.TP |
| 191 |
+ |
.BR \-pXYZ |
| 192 |
+ |
On reverse conversion, input is in CIE XYZ coordinates, rather than RGB. |
| 193 |
+ |
The Y channel is assumed to be in candelas/meter^2. |
| 194 |
+ |
.TP |
| 195 |
|
.BI -y \ res |
| 196 |
|
Set the output y resolution to |
| 197 |
|
.I res. |
| 237 |
|
To convert from a 512x400 8-bit greyscale image in bottom to top, |
| 238 |
|
left to right scanline ordering: |
| 239 |
|
.IP "" .2i |
| 240 |
< |
pvalue \-r \-db \-b \-h +y 400 +x 512 input.im > flipped.pic |
| 240 |
> |
pvalue \-r \-db \-b \-h +y 400 +x 512 input.im > flipped.hdr |
| 241 |
|
.br |
| 242 |
< |
pflip \-v flipped.pic > final.pic |
| 242 |
> |
pflip \-v flipped.hdr > final.hdr |
| 243 |
|
.SH AUTHOR |
| 244 |
|
Greg Ward |
| 245 |
|
.SH BUGS |
| 253 |
|
the scanline ordering or picture size. |
| 254 |
|
.SH "SEE ALSO" |
| 255 |
|
getinfo(1), pcompos(1), pfilt(1), pflip(1), |
| 256 |
< |
protate(1), rpict(1), rtrace(1), rvu(1) |
| 256 |
> |
protate(1), ra_xyze(1), rpict(1), rtrace(1), rvu(1) |
