Re: [SI-LIST] : What's your favourite Screwy SI Concept?

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From: Jeff Seeger (jseeger@appliedcad.com)
Date: Fri Jan 14 2000 - 10:05:19 PST


Tom Dagostino wrote:
>
> Bending a wire keeps a uniform cross section. Putting a corner in a trace
> adds extra C at the corner from a larger area.
>
        And herein lies the arguement, I believe.

        Perhaps those who argue against "right angles" envision a
        geometry where the line has a squared corner both on the
        inside of the elbow and the outside.

        I would wager that those who claim no material effect are
        working with the usual CAD system/photoplotter geometry of
        a squared corner inside the elbow and a radiused one on the
        outside.

        An attempt at ascii art:

           "Right Angle" "Standard Practice"

               \ \ \ \
                \ \ \ \
> > > )
                / / / /
               / / / /

        HTH,

-- 
 
      Jeff Seeger                         Applied CAD Knowledge Inc
      Chief Technical Officer                  Tyngsboro, MA  01879
      jseeger "at" appliedcad "dot" com                978 649 9800

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