1 |
< |
.\" RCSid "$Id" |
1 |
> |
.\" RCSid "$Id$" |
2 |
|
.TH PCOMB 1 8/31/96 RADIANCE |
3 |
|
.SH NAME |
4 |
|
pcomb - combine RADIANCE pictures |
68 |
|
would return the red component of the pixel from picture 3 |
69 |
|
that is left 2 and up 1 from the current position. |
70 |
|
Although x offsets may be as large as width of the picture, |
71 |
< |
y offsets are limited to a small window (+/- 8 pixels) due to efficiency |
71 |
> |
y offsets are limited to a small window (+/- 32 pixels) due to efficiency |
72 |
|
considerations. |
73 |
|
However, it is not usually necessary to worry about this problem -- |
74 |
|
if the requested offset is not available, the next best pixel is |
85 |
|
gives the number of input files present, |
86 |
|
and |
87 |
|
.I WE |
88 |
< |
gives the white efficacy (lumens/brightness) for pixel values. |
88 |
> |
gives the white efficacy (lumens/brightness) for pixel values, |
89 |
> |
which may be used with the |
90 |
> |
.I \-o |
91 |
> |
option or the le(n) values to convert to absolute |
92 |
> |
photometric units (see below). |
93 |
|
The variables |
94 |
|
.I x |
95 |
|
and |
209 |
|
.SH AUTHOR |
210 |
|
Greg Ward |
211 |
|
.SH "SEE ALSO" |
212 |
< |
calc(1), getinfo(1), pcompos(1), pfilt(1), rpict(1) |
212 |
> |
getinfo(1), icalc(1), pcompos(1), pfilt(1), rpict(1) |