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30 Jul 2024 08:16:15 EDT (-0400)
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From: Tek
Subject: Re: Lathe problems.
Date: 18 Oct 2012 05:15:01
Message: <web.507fc835a5d212b1ed8e7a0@news.povray.org>
Stephen <mca### [at] aolcom> wrote:
> I found it interesting that you could use so few points and get such a
> good curve.

That's why I love bezier curves. You can describe a nice "S" bend using 2 points
plus 2 control points.


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From: Tek
Subject: Re: Lathe problems.
Date: 18 Oct 2012 05:20:01
Message: <web.507fc91aa5d212b1ed8e7a0@news.povray.org>
"Tek" <tek### [at] evilsuperbraincom> wrote:
> Stephen <mca### [at] aolcom> wrote:
> > I found it interesting that you could use so few points and get such a
> > good curve.
>
> That's why I love bezier curves. You can describe a nice "S" bend using 2 points
> plus 2 control points.

Doh! I just realised my hourglass *doesn't* use bezier splines! Hah. Well, it
would if they were available for a sor, because I like beziers...


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From: Stephen
Subject: Re: Lathe problems.
Date: 18 Oct 2012 13:55:48
Message: <508042a4$1@news.povray.org>
On 18/10/2012 10:17 AM, Tek wrote:

> Doh! I just realised my hourglass *doesn't* use bezier splines! Hah. Well, it
> would if they were available for a sor, because I like beziers...
>

And I thought that a SOR was linear. Ah! Well, you re-learn something 
every day.


-- 
Regards
     Stephen


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From: Stephen
Subject: Re: Lathe problems.
Date: 18 Oct 2012 13:58:21
Message: <5080433d$1@news.povray.org>
On 18/10/2012 1:42 AM, Christian Froeschlin wrote:
> You could try to reshape the curve in the center so it is not
> a hard edge but rather a little rounded. If this is two pieces
> joined together you'll want the end to have vertical/horizontal
> tangents.

Thanks but I will give up on joining two halves and try a continuous curve.

> BTW you can post more than one image when using a
> newsreader such as Thunderbird.
>

I know but I have to use the web interface when at work.

-- 
Regards
     Stephen


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