Cut Image
This tool is used to clean up an Image at the extents of a polyline
boundary. First, select the inclusion boundary polyline(s) and any
exclusion boundary polyline(s). Everything in the Image to the
inside of these polyline is removed. Warning: this command will
update the Image seen on the screen as well as the source
Image.
Pulldown Menu Location: Raster > Cut Image
Keyboard Command: rascut
Prerequisite: an Image and a closed polyline