POV-Ray : Newsgroups : povray.binaries.utilities : Bitmap To Prism Utility (Work In Progress) : Re: Bitmap To Prism Utility (Work In Progress) Server Time
23 Sep 2023 13:59:18 EDT (-0400)
  Re: Bitmap To Prism Utility (Work In Progress)  
From: Dave Blandston
Date: 21 Dec 2016 12:10:01
Message: <web.585ab7064d4e4daa6ae7df010@news.povray.org>
"Bald Eagle" <cre### [at] netscapenet> wrote:
> Hi Dave,
> I've asked before what the specific equation for generating the cubic spline
> was, and haven't had the opportunity to try to hunt it down in the source code.
> A while back, I did some interpolation of control points for Bezier splines and
> bicubic patches.
> Perhaps you could do something similar.
> 6768
> See attached copy of latest interpolation macro (still a bit buggy)

Thank you, Mr. Bald Eagle. It has become clear to me that the math involved here
is beyond my ability. I will probably not be able to solve the problem
"correctly," but I may be able to at least come up with a method of generating
rounded corners and eliminate the stair-step effect.

Dave Blandston

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