[metapost] Trying to figure out MPLib

luigi scarso luigi.scarso at gmail.com
Mon Aug 6 14:26:13 CEST 2012

On Mon, Aug 6, 2012 at 1:24 PM, Boguslaw Jackowski <jacko at bop.com.pl> wrote:

> Hi,
> Shriramana Sharma:
>  As I said above, basically I need the smooth curves Hobby algorithm.
>> MPost is one of the better known implementations out there. But if it
> Matthew Skala:
>  The algorithm is described reasonably well in a few pages of the MetaFont
>> book, and (I would hope) also in Hobby's original papers.  Why not
>> implement it yourself?  I suspect that might be less work than trimming
>> all the TeX dependencies off of MetaPost.
> Bull's eye! -- "is described reasonably well". :)
> I spent a few months trying to understand in details how it works,
> assembling scattered pieces of the description (The MFbook,
> J.D. Hobby's Thesis and the relevant publications, most
> notably J.R. Manning's "Continuity conditions for spline
> curves", and last but not least -- the MF.web source).
> I prepared a careful note for myself -- alas, in mother tongue,
> i.e., in Polish. :-/ I'm going to translate it into English,
> but the time is always too short. There is a chance, however, that by
> the end of this year I'll manage to be ready with the translation.
> Thanks for providing the motivation.
> +1 for me (of course I should say)

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