[NTG-context] metafun 2

Hans Hagen j.hagen at xs4all.nl
Wed Aug 14 17:37:16 CEST 2019


On 8/14/2019 4:58 PM, Mikael P. Sundqvist wrote:

> 1) 3d support. This is of course a very big request, but it would also 
> be useful for many people.

yes ... Alan and I are thinking of some (not that we came far yet)

> 2) About graphing, it would be nice to be able to do contour polots and 
> density plots. I know I asked for contour plots some time ago, and there 
> were some examples, but I don't think there was ever some built in 
> support for it. Maybe that can be done "easy" with help of lua? I guess 
> there exist good algorithms.

spec needed ... as 'code' can be any function it's mostly a matter of 
what to pipe back to mp

> 3) (small) The possibility to have arrows in coordinate axes. I have not 
> had the possibility to test the new features today, and maybe this is 
> already built in (drawarrow?), but I mention it since I did not see it 
> in the pdf.

no, but that is rather trivial to add

> Again, it is very nice that you work on extending MetaPost/MetaFun further!!
wel, mp is ... fun (and these extension are somewhat challenging)

Hans

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