rule beneath chapter number

rule beneath chapter number

[jbf via ntg-context]

The following MWE deliberately shows two ways of getting a short rule 
beneath a chapter number, but neither achieve what I want. \underbar is 
too close to the number and \crlf\blackrule too far below. So basically 
my question is: is there a way of adjusting the position of a brief rule 
beneath the number? It probably involves neither of the approaches I 
have used here, but I am not sure just what approach to take, other than 
using a background layer... and maybe that is what I need to do.

Julian

\define[2]\MyChapterCommand%
{\framed[frame=on,bottomframe=off,leftframe=off,rightframe=off,topframe=off,align=middle]
      {\vbox{\headtext{chapter} 
\underbar{#1}\crlf\blackrule[height=.1\exheight]\crlf#2}}}

\setuphead[chapter][
     header=empty,
     alternative=middle,
     style={\ssb},
     number=yes,
     command=\MyChapterCommand,
     after={\blank[big]},
     ]

\setuplabeltext[chapter= ]
\starttext
\chapter[title={Chapter title}]
\stoptext

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Re: rule beneath chapter number

[Aditya Mahajan via ntg-context]

On Fri, 12 Nov 2021, jbf via ntg-context wrote:

> The following MWE deliberately shows two ways of getting a short rule 
> beneath a chapter number, but neither achieve what I want. \underbar is 
> too close to the number 

\setupbar[underbar][offset=-0.8] % play around with the number

> and \crlf\blackrule too far below. So basically 
> my question is: is there a way of adjusting the position of a brief rule 
> beneath the number? 

\defineframed[underbarframed]
             [
               frame=off,
               rulethickness=1pt,
               bottomframe=on,
               frameoffset=-1pt, % negative of rulethickness
               boffset=0.8ex, % play around with this
             ]


Aditya
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Re: rule beneath chapter number

[jbf via ntg-context]

Thanks Aditya. Option 1 is simple enough. Not sure why that eluded me 
earlier! Option 2 gives me a little more choice, I think. I'd being 
playing with framed but could quite get it right.

It does seem, though, just using '1' as the chapter number for the 
moment, that the underline is not quite centered; almost but not quite. 
So am playing around with the roffset to adjust that.

Julian

On 12/11/21 3:49 pm, Aditya Mahajan via ntg-context wrote:
> On Fri, 12 Nov 2021, jbf via ntg-context wrote:
>
>> The following MWE deliberately shows two ways of getting a short rule
>> beneath a chapter number, but neither achieve what I want. \underbar is
>> too close to the number
> \setupbar[underbar][offset=-0.8] % play around with the number
>
>> and \crlf\blackrule too far below. So basically
>> my question is: is there a way of adjusting the position of a brief rule
>> beneath the number?
> \defineframed[underbarframed]
>               [
>                 frame=off,
>                 rulethickness=1pt,
>                 bottomframe=on,
>                 frameoffset=-1pt, % negative of rulethickness
>                 boffset=0.8ex, % play around with this
>               ]
>
>
> Aditya
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
>
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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> wiki     : http://contextgarden.net
> ___________________________________________________________________________________
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Re: rule beneath chapter number

[Henning Hraban Ramm via ntg-context]

> Am 12.11.2021 um 06:26 schrieb jbf via ntg-context <ntg-context@ntg.nl>:
> 
> It does seem, though, just using '1' as the chapter number for the moment, that the underline is not quite centered; almost but not quite. So am playing around with the roffset to adjust that.

It might make sense to use a different number style for paginations – most fonts set unproportional tabular numbers as default, in this case proportional tabular numbers make sense. That will affect the spacing around the 1 – don’t know if it solves your case.

Example from one of my projects:

\definefontfeature[ptabnum][default][
  onum=no,pnum=yes,tnum=yes,
]
\definefontfeature[tabnum][default][
  onum=no,pnum=no,tnum=yes,
]


Hraban
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Re: rule beneath chapter number

[jbf via ntg-context]

In fact, in this instance, adjusting the roffset solved the problem, and 
I didn't see any marked change using the proportional tabular 
(monospaced?) fontfeature you suggest, though it is an interesting point 
to bear in mind in the future. I'd always thought of proportional versus 
tabular rather than proportional + tabular.

Julian

On 12/11/21 7:09 pm, Henning Hraban Ramm via ntg-context wrote:
> \definefontfeature[ptabnum][default][
>    onum=no,pnum=yes,tnum=yes,
> ]
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Re: rule beneath chapter number

[Henning Hraban Ramm via ntg-context]

> Am 12.11.2021 um 09:47 schrieb jbf via ntg-context <ntg-context@ntg.nl>:
> 
> In fact, in this instance, adjusting the roffset solved the problem, and I didn't see any marked change using the proportional tabular (monospaced?) fontfeature you suggest, though it is an interesting point to bear in mind in the future. I'd always thought of proportional versus tabular rather than proportional + tabular.

You’re right, tabular numbers are nonproportional. I meant versal (“normal”) numbers in opposite of oldstyle (mediaeval) numbers.

I often use the Alegreya fonts, and they default to oldstyle numbers.


> Am 12.11.2021 um 14:47 schrieb Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>:
> 
> Henning Hraban Ramm via ntg-context schrieb am 12.11.2021 um 09:09:
>> \definefontfeature[ptabnum][default][
>>   onum=no,pnum=yes,tnum=yes,
>> ]
> 
> You can't activate pnum and tnum at the same time, only one is possible.

I don’t doubt that you’re right. I was probably tinkering until the result fitted my needs. Or the font has wrong features...


Hraban
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Re: rule beneath chapter number

[Thomas A. Schmitz via ntg-context]

On 11/12/21 18:13, Henning Hraban Ramm via ntg-context wrote:
> You’re right, tabular numbers are nonproportional. I meant versal (“normal”) numbers in opposite of oldstyle (mediaeval) numbers.

I think there are two mutually exclusive feature pairs that you're 
mixing up:

lnum vs onum: lining numbers versus old style numbers; "lining" having 
no descenders, but sitting on the line.

pnum vs tnum: proportional vs tabulate numbers. As the name suggests, 
the latter look better where numbers are vertically aligned because each 
numeral will take exactly the same space, so tables, but also footnotes 
etc. The former of course will look better in running text.

Add to this that numbers can also be subscript or superscript. Some very 
extensive professional fonts have surprising combinations of these 
features, so in the end, one has to do what you did: fiddle with 
featuresets until the result looks right.

Thomas
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Re: rule beneath chapter number

[Wolfgang Schuster via ntg-context]

Henning Hraban Ramm via ntg-context schrieb am 12.11.2021 um 09:09:
>> Am 12.11.2021 um 06:26 schrieb jbf via ntg-context <ntg-context@ntg.nl>:
>>
>> It does seem, though, just using '1' as the chapter number for the moment, that the underline is not quite centered; almost but not quite. So am playing around with the roffset to adjust that.
> It might make sense to use a different number style for paginations – most fonts set unproportional tabular numbers as default, in this case proportional tabular numbers make sense. That will affect the spacing around the 1 – don’t know if it solves your case.
>
> Example from one of my projects:
>
> \definefontfeature[ptabnum][default][
>    onum=no,pnum=yes,tnum=yes,
> ]

You can't activate pnum and tnum at the same time, only one is possible.

Wolfgang

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