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|
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 |
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|
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) |