Any part of an image (or, in fact, a video) can be cropped to only show what you require.
You can, if you wish, then save your alteration to a new, high-resolution image file.
In the case of a video, you can watch just that portion of the video image in playback, if you wish.
This is covered in detail in screenshots
Briefly, then, the following controls apply:
Control | Action |
---|---|
Pan | |
Ctrl [↑] | pan Up |
Ctrl [↓] | pan Down |
Ctrl [→] | pan Left |
Ctrl [←] | pan Right |
Rotate | |
[Pg Dn] | Rotate right, clockwise, 45o |
[Pg Up] | Rotate left, anti-clockwise, 45o |
Zoom | |
[I] | zoom In |
[O] | zoom Out |
Control | Action |
---|---|
[3] | reset Pan |
[4] | reset Rotation |
[U] | reset Zoom / [U]nzoom |