| # | Line 206 | Line 206 | pcomb pic1 \-s \-1 pic2 > diff | |
|---|---|---|
| 206 | .PP | |
| 207 | To precompute the gamma correction for a picture: | |
| 208 | .IP "" .2i | |
| 209 | < | pcomb \-e 'ro=ri(1)^.4;go=gi(1)^.4;bo=bi(1)^.4' pic > pic.gam |
| 209 | > | pcomb \-e 'ro=ri(1)^.4;go=gi(1)^.4;bo=bi(1)^.4' inp.hdr > gam.hdr |
| 210 | .PP | |
| 211 | To perform some special filtering: | |
| 212 | .IP "" .2i | |
| 213 | < | pcomb \-f myfilt.cal \-x xmax/2 \-y ymax/2 input.pic > filtered.pic |
| 213 | > | pcomb \-f myfilt.cal \-x xmax/2 \-y ymax/2 input.hdr > filtered.hdr |
| 214 | .PP | |
| 215 | To make a picture of a dot: | |
| 216 | .IP "" .2i | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |