Hello Sreeram!
What a nice and simple solution. After fiddling a bit I got it working also in
my environment for the book! — Thank you so much for the support.
Kind regrards
Willi
> On 22 Mar 2022, at 03:29, śrīrāma via ntg-context <ntg-context@ntg.nl> wrote:
>
> On Tuesday, March 22, 2022 2:17 AM Willi Egger via ntg-context wrote:
>> I would like to typeset the chapter title without number in the text. —
>> However I still would need to retrieve the number for a calculation in a
>> MetaFun graphic. I assume, that even though this number is not typeset, it
>> is kept in the background. How to retrieve it?
>>
>
> Hi,
> On Tuesday, March 22, 2022 2:17 AM Willi Egger via ntg-context wrote:
>>
>> I would like to typeset the chapter title without number in the text. —
>> However I still would need to retrieve the number for a calculation in a
>> MetaFun graphic. I assume, that even though this number is not typeset, it
>> is kept in the background. How to retrieve it?
>>
>
> Hi,
>
> You can define a custom command for the chapter, where the first argument
> (i.e, the number) is 'ignored' –
>
> \define[2]\ChapterTitle{#2}
> \setuphead[chapter][command=\ChapterTitle]
>
> It will still appeared as numbered in any lists (ToC, etc). Also, it can be
> accessed using \headnumber[...][...]. An example graphic –
>
> \startuseMPgraphic {graphic:chapter}
> picture cg;
> cg := outlinetext.d
> ("\ssbfd \headnumber[chapter]")
> (withcolor transparent(1,0.5,blue));
> fill boundingcircle cg withcolor transparent(1, 0.5, lightgray);
> draw cg;
> \stopuseMPgraphic
>
> Using \headnumber[..][..] any 'conversion' applied to the chapter number
> (romannumerals, words, etc) are also preserved.
>
> Best,
> Sreeram
>
>
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