POV-Ray: Newsgroups: povray.general: The seam of two bi-cubic patches isn't smooth when raised: Re: The seam of two bi-cubic patches isn't smooth when raised

POV-Ray : Newsgroups : povray.general : The seam of two bi-cubic patches isn't smooth when raised : Re: The seam of two bi-cubic patches isn't smooth when raised		Server Time 30 Jul 2024 08:18:13 EDT (-0400)

From: Warp
Date: 18 May 2009 10:58:29
Message: <4a117794@news.povray.org>

John VanSickle <evi### [at] hotmailcom> wrote:
> A00---A01---A02---AB0---B01---B02---B03
>   |     |     |     |     |     |     |
> A10---A11---A12---AB1---B11---B12---B13
>   |     |     |     |     |     |     |
> A20---A21---A22---AB2---B21---B22---B23
>   |     |     |     |     |     |     |
> A30---A31---A32---AB3---B31---B32---B33

> In order for the patches to meet smoothly, AB0 must mid-way between A02 
> and B01, AB1 must be mid-way between A12 and B11, AB2 must be mid-way 
> between A22 and B21, and AB3 must be mid-way between A32 and B31.

  They don't have to be mid-way, as long as A02-AB0-B01 forms a straight
line, and likewise for the other trios.

-- 
                                                          - Warp

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