[NTG-context] upload
Otared Kavian
otared at gmail.com
Tue Mar 29 06:37:18 CEST 2022
Hi Mikael,
Thanks for your explanation and the example you sent about \definemathsimplealign (I didn’t get immediately that « sesac » in the command \startmathfenced[sesac] means « cases » in reverse or mirrored… I guess this is a wise and humourous choice by Hans :-) ).
Regarding \startcases, it seems that it is still not possible to number each equation, but I may be overlooking something. I’ll try a few examples and will let you know, as well as Hans.
Best regards: Otared
> On 28 Mar 2022, at 23:54, Mikael Sundqvist <mickep at gmail.com> wrote:
>
> On Mon, Mar 28, 2022 at 11:23 PM Otared Kavian <otared at gmail.com> wrote:
>>
>> Hi Hans,
>>
>> Thank you for the new upload and the improvements you mention about the handling of math stuff. Thanks also to Mikael for the follow up of these matters.
>>
>> I noticed that in math mode the command \cal does not work anymore and one has to use \mathcal.
>> However in almost all of my documents I use Lucida Bright OT, and in some occasions I replace its calligraphic letters by the slots from Asana Math with the following definitions:
>>
>> \definefallbackfamily[myfont][math][Asana Math]
>> [range={uppercasescript,lowercasescript}]
>>
>> % lucida font
>> \definefontfamily[myfont][serif][Lucida Bright OT]
>> \definefontfamily[myfont][math][LucidaBrightMathOT]
>> \definefontfamily[myfont][sans][LucidaSansOT]
>> \definefontfamily[myfont][mono][LucidaSansTypewriterOT]
>>
>> \setupbodyfont[myfont,9pt]
>>
>> It seems that with the changes made recently the above definitions must be modified in order to have Asana Math show up.
>>
>> So, I am asking for help from Mikael in this regard…
>
> Hi Otared,
>
> At the moment I don't know how one can use the fallback system with
> calligraphic/script fonts. Let me explain in a few sentences what we
> changed. Now we have \mathcal and \mathscr. If the font has both a
> chancery alphabet and a roundhand alphabet, the goodie file is coded
> so that \mathcal points to chancery and \mathscr to roundhand. This is
> the case for Lucida. So, maybe you could try to do
> \setupbodyfont[lucidadk] and then try \mathscr out. Other fonts that
> have both variants are stixtwo and xits. The rest have only either
> chancery style or roundhand style, and there you will get what it has.
> About \cal I don't know.
>
>>
>> Also, it would be nice to have a few explanations about the new stuff in math alignments.
>
> I think the new math alignments are still work in progress. One thing
> that happens will probably go unnoticed, and that is the spacing. Hans
> is playing a lot with the new atoms, and right now he is playing(?)
> with construction atoms, ghosts and fences. There is one new type of
> alignments, called simplealignments. We can use them for example to
> collect some equations with a brace (and give the collection one
> number).
>
> /Mikael
>
> \setupbodyfont[lucidadk]
>
> \definemathsimplealign[collecteqequations][
> left={\startmathfenced[sesac]},
> right=\stopmathfenced,
> align={1:right,2:left},
> ]
>
> \starttext
> %\showmakeup[mathglue]
> ${\mathcal ABC}$ and ${\mathscr ABC}$
>
> \placeformula
> \startformula
> \startcollecteqequations
> \NC x \NC = r\sin\theta\cos\phi\NR
> \NC y \NC = r\sin\theta\sin\phi \NR
> \NC z \NC = r\cos\theta \NR
> \stopcollecteqequations
> \stopformula
>
> \stoptext
> <220328-5.pdf>
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