85 |
|
.I \-r |
86 |
|
option to read an indexed id file and produce the original |
87 |
|
identifiers for each pixel position on the output. |
88 |
+ |
With this option, the ID file must be given on the |
89 |
+ |
command line and cannot be read from the standard input. |
90 |
|
The |
91 |
|
.I \-h |
92 |
|
and |
114 |
|
the horizontal and vertical coordinates of a particular pixel, |
115 |
|
where x is measured from 0 on the left and y from 0 at the bottom |
116 |
|
in the standard orientation. |
115 |
– |
Note that |
116 |
– |
.I \-i |
117 |
– |
implies that an indexed ID file is explicitly given on the command |
118 |
– |
line, since the pixel coordinates are read from the standard input. |
117 |
|
If the |
118 |
|
.I \-u |
119 |
|
option is also given, output will be flushed after each identifier |