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Re: [vox-tech] [OT] Math question: help me make a rainbow
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Re: [vox-tech] [OT] Math question: help me make a rainbow



On Thu, Apr 02, 2009 at 11:16:13PM -0700, Jeff Newmiller wrote:
> Bill Kendrick wrote:
> > On Wed, Apr 01, 2009 at 11:29:13PM -0700, Jeff Newmiller wrote:
> >> Is this [1] what you are thinking of?
> >>
> >> [1] http://home.comcast.net/~jdnewmil/puzzle/rainbow_draw.gnumeric
> > 
> > Close!  When y2=y1, I get a flat line, though.  I should get an arc
> > from a circle with a diameter of abs(x2-x1).
> 
> I changed it a little. Look again.

Great!  I assume I've got your permission to create a GPL'd magic tool
for Tux Paint based on this? :)  (Crediting you for the algo, of course!
You name in lights^H^H^H^H^H^Ha man page!)

Thx!!!

-- 
-bill!
Sent from my computer
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