POV-Ray: Newsgroups: povray.newusers: a lathe with quadratic spline shows horizontal bar(s) of noise...: Re: a lathe with quadratic spline shows horizontal bar(s) of noise...

POV-Ray : Newsgroups : povray.newusers : a lathe with quadratic spline shows horizontal bar(s) of noise... : Re: a lathe with quadratic spline shows horizontal bar(s) of noise...		Server Time 28 Sep 2024 09:13:57 EDT (-0400)

From: Stephen
Date: 1 May 2012 13:15:01
Message: <4fa01a15$1@news.povray.org>

On 01/05/2012 4:36 PM, peter puzzelaar wrote:

>
> Adding keyword "sturm" solved the issue.

Good.
> So adding an image seems redundant now...
>

It does indeed :-)

> I assume sturmian root solver (?) is needed for quadratic_spline only as this
> one results in non-smooth transitions at the intermediate points. (as
> cubic_spline did not need the sturmian solver)
>

I don't think so. I use it for all types but maybe I am being over 
cautious. To me the noise always seems to be in line with the horizon.
Anyway with today's fast computers I never notice any difference in time 
taken.

-- 
Regards
     Stephen

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