[NTG-context] Chapter number retrieval

Willi Egger context at boede.nl
Wed Mar 23 22:44:35 CET 2022


Hello Adam,


What I am actually using (at least basically) is the code given in the second example on the wiki. So this moving graphic is not the problem. The problem lays in the fact, that I need the chapter number for calculating the position of the graphic along the outer edge of the page. — Because the book in question is a dictionary, it is not nice to have the chapter titles numbered, because it is only the letter of the alphabet. If I turned off the numbering, I lost the possibility to retrieve the chapter number. Through the definition of a new command \ChapterTitle, ignoring the first argument (which is the number) the title gets typeset without the number, but the number is still available in the TOC or as in my case for the calculation.

Thank you for your support and help!

Willi

> On 23 Mar 2022, at 00:41, Adam Reviczky via ntg-context <ntg-context at ntg.nl> wrote:
> 
> Hi Willi,
> 
> You could also access the number by using the \getmarking[chapternumber][current].
> I think you have used a similar approach in the https://wiki.contextgarden.net/Thumb_index.
> 
> Adam
> 
> On Tue, Mar 22, 2022 at 11:15 PM Willi Egger via ntg-context <ntg-context at ntg.nl> wrote:
> Hello Adam!
> 
> Many thanks for your solution. — It works very well in your example and also in an extended version with \startfrontmatter..\stopfrontmatter \startbodymatter…\stopbodymatter. — Unfortunately It does not work to my wish in the actual setup of my book. — I am using now the solution presented by Sreeram.
> 
> Again thank you so much!
> Kind regards
> 
> Willi
> 
>> On 22 Mar 2022, at 01:21, Adam Reviczky via ntg-context <ntg-context at ntg.nl> wrote:
>> 
>> Hi,
>> 
>> There is a good overview of accessible variables at: https://tex.stackexchange.com/questions/134474/context-part-chapter-section-and-subsection-names
>> 
>> Maybe you want something like this?
>> 
>> \starttext
>> \setuphead[chapter][number=no]
>> \startchapter[title={My Chapter}]
>> Hello world!
>> \startMPcode
>> label("\currentstructurelistnumber\ \currentstructuretitle", origin);
>> draw fullcircle scaled 3cm;
>> \stopMPcode
>> \stopchapter
>> \stoptext
>> 
>> Adam
>> 
>> On Mon, Mar 21, 2022 at 11:46 PM jbf via ntg-context <ntg-context at ntg.nl> wrote:
>> Willi, offlist: Have to admit I didn't actually try your own comment, 
>> but if it doesn't work, I'll be interested in the eventual answer. I 
>> recently had to do something similar for the TOC, and Hraban pointed me 
>> to \currentlistentrynumber. There probably has to be a command along 
>> those lines (which led me to your 2011 comment, sorry 😁) for non-list 
>> retrieval. \structurenumber? \currentstructurenumber? Something along 
>> those lines? There seem to be a number of these but as yet undocumented 
>> as far as I can see.
>> 
>> Julian
>> 
>> On 22/3/22 10:19, Willi Egger via ntg-context wrote:
>>> Hi Julian,
>>> 
>>> :-) I am confronted with my own comments :-)
>>> 
>>> However, this is precisely what I am using in my attempt to get this hidden number. But no it does not appear…
>>> 
>>> Thank you!
>>> Willi
>>> 
>>>> On 21 Mar 2022, at 22:33, jbf via ntg-context <ntg-context at ntg.nl> wrote:
>>>> 
>>>> Willi,
>>>> 
>>>> I see a comment by yourself back in 2011 at https://wiki.contextgarden.net/Last_Head_Number
>>>> 
>>>> I wonder if this helps?
>>>> 
>>>> Julian
>>>> 
>>>> On 22/3/22 07:47, Willi Egger via ntg-context wrote:
>>>>> Hello everybody!
>>>>> 
>>>>> 
>>>>> 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?
>>>>> 
>>>>> Kind regards
>>>>> 
>>>>> Willi
>>>>> ___________________________________________________________________________________
>>>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>>> 
>>>>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>>>> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
>>>>> archive  : https://bitbucket.org/phg/context-mirror/commits/
>>>>> wiki     : http://contextgarden.net
>>>>> ___________________________________________________________________________________
>>>> ___________________________________________________________________________________
>>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>>> 
>>>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>>> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
>>>> archive  : https://bitbucket.org/phg/context-mirror/commits/
>>>> wiki     : http://contextgarden.net
>>>> ___________________________________________________________________________________
>>> ___________________________________________________________________________________
>>> If your question is of interest to others as well, please add an entry to the Wiki!
>>> 
>>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>>> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
>>> archive  : https://bitbucket.org/phg/context-mirror/commits/
>>> wiki     : http://contextgarden.net
>>> ___________________________________________________________________________________
>> ___________________________________________________________________________________
>> If your question is of interest to others as well, please add an entry to the Wiki!
>> 
>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
>> archive  : https://bitbucket.org/phg/context-mirror/commits/
>> wiki     : http://contextgarden.net
>> ___________________________________________________________________________________
>> ___________________________________________________________________________________
>> If your question is of interest to others as well, please add an entry to the Wiki!
>> 
>> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
>> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
>> archive  : https://bitbucket.org/phg/context-mirror/commits/
>> wiki     : http://contextgarden.net
>> ___________________________________________________________________________________
> 
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________



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