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[DPRG] math I once knew

Subject: [DPRG] math I once knew
From: Eric Sumner kd5bjo at yahoo.com
Date: Fri Dec 20 11:06:01 CST 2002

--- Kipton Moravec <kip at kdream.com> wrote:
> If the angle goes through 0 through 90 degrees, then you reflect for the
> other 3 quadrants.
> (X,Y), (-X,Y), (X,-Y), (-X,-Y)

Actually, if you include the points
(Y,X), (-Y,X), (Y,-X), (-Y,-X)
you get the results with calculating only 0 through 45 degrees

  -- Eric Sumner

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