68 |
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would return the red component of the pixel from picture 3 |
69 |
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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 |
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However, it is not usually necessary to worry about this problem -- |
74 |
|
if the requested offset is not available, the next best pixel is |
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) |