As an addition to edjh’s suggestion, if you don’t want to cut it from the original picture, select it Ctrl + C, Ctrl + V to place the selection on its own layer and then use Ctrl + T to do a free transform (rotate)
"edjh" wrote in message
Afanasiy wrote:
I’d like to select a portion of raster data in a
layer and rotate it 90 degrees counter-clockwise.
How can I do this?
Make a selection and Edit>Transform.
—
Comic book sketches and artwork:
http://www.sover.net/~hannigan/edjh.html