alex at tweedly.net
Sat Oct 15 17:25:44 CDT 2005
Roger.E.Eller at sealedair.com wrote:
>I was trying to use this function with a real-world problem and it isn't
>giving me the result (an angle between 1 and 360) that I expected. I have
>an image object (a scan of some text). The image wasn't scanned straight,
>so I thought I would draw a grc line in parallel with the text in the
>scan. I am trying to use the functions above to determine the angle of the
>grc line object so that I can rotate the image to make it straight. The
>function always returns a number that is less than 3. Can someone explain
>why this is or offer another way to determine the angle of a line? Math is
>NOT my strength.
There are two "scales" used to measure angle
- degrees (from 0 to 360 for the complete circle)
- radians (from 0 to pi for the complete circle)
So simply multiply your result by (360 / pi)
Alex Tweedly http://www.tweedly.net
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