Brian wrote:
>actually polar coordinates might be more applicable in this case.
It still comes back to the question of - relative to what? The orientation
according to the scanner, or that displayed on the screen? Having a graphical
interface with the ability to click on a point is harder to code, but very
intuitive for the user. Coordinate systems are not.
Rob
Rob Geraghty harper@wordweb.com
http://wordweb.com