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Re: What to do wanting a 4th order Bézier?


From: David Kastrup
Subject: Re: What to do wanting a 4th order Bézier?
Date: Mon, 19 Sep 2016 20:25:19 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

Hans Åberg <address@hidden> writes:

>> On 19 Sep 2016, at 10:41, David Kastrup <address@hidden> wrote:
>
>> It would be my guess that the hands-on manipulative features of control
>> points have made cubic Beziers the go-to curve approximation and design
>> tool.
>
> Perhaps it looks better with the second derivatives lined up as well.

That precludes a straight line (second derivative 0) running into a
circle arc (second derivative 1/(2pi r) or similar, too lazy to think
about it right now).

-- 
David Kastrup



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