POV-Ray : Newsgroups : povray.animations : Trig for Lohmueller chain animation : Re: Trig for Lohmueller chain animation Server Time
24 Apr 2024 21:02:29 EDT (-0400)
  Re: Trig for Lohmueller chain animation  
From: Bald Eagle
Date: 16 Jul 2014 12:55:01
Message: <web.53c6ad9883f3fc9c5e7df57c0@news.povray.org>
> You are not measuring the same angle.

Grrr.  I suspected something like this, but for some reason I just couldn't
"see" it.   Thanks for that - I really needed a fresh set of eyes connected to a
sharp mind to point me in the right direction.

> You have the length hypothenuse, you have the length of the small side,
> it is obvious to compute the length of the third side with Pythagore.
>
> ( H^2 = S^2 + L^2, hence L = sqrt( H^2 - S^2 ), no problem)
>
> You noticed the subtraction, right ?

No, no I didn't.  Between all the different software packages and languages and
coordinate systems I use, it's wonder sometimes I can walk in a straight line to
the coffee pot when I get out of my chair.

Thanks again, friend!


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