* [NTG-context] A few question about defining symbols and creating downarrow to illustrate function rules
@ 2024-11-24 18:08 Jethro Djan
2024-11-24 20:06 ` [NTG-context] " Henning Hraban Ramm
0 siblings, 1 reply; 5+ messages in thread
From: Jethro Djan @ 2024-11-24 18:08 UTC (permalink / raw)
To: mailing list for ConTeXt users
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Hello,
I have a few questions.
1. What is the best way to get a symbol from a font you are not using as
your main?
%% start MWE
\starttext
\definesymbol[cedis][\utfchar{“20B5}]
\def\cedis{
\switchtobodyfont[dejavu]\tf\symbol[cedis]
}
I have GH\cedis 10.00 in my pocket
\stoptext
%% end MWE
I tried to use \getglyph because I saw it being used in a similar way (but
not with unicode characters) like this:
\definesymbol[cedis][\getglyph{dejavu}{\utfchar{"20B5}}]
It didn't work.
2. I would like a more robust method to create a diagram (ie., a series of
input and outputs where you are then required to tell the rule of the
mapping). The inputs will be up with the outputs below and a downward
pointing arrow between them.
%% start MWE
\starttext
\define[2]\xdownarrow{
\startframed[frame=off,offset=0pt,width=0.8cm]
\startMPcode
numeric u, w; u := .3cm; w := 2pt;
pair pointX, pointY; path pointXY;
pointX := origin; pointY := pointX shifted (0,-3u);
draw pointX -- pointY withpen pencircle scaled .6w;
drawarrow pointX -- pointY withpen pencircle scaled .6w;
labeloffset := u;
label.top (textext("\dm{#1}"), pointX);
label.bot (textext("\dm{ #2 }"), pointY);
\stopMPcode
\stopframed
}
\startitemize[n]
\item Find the rule of the mapping:
\startplacefigure[location=none]
\startframed[frame=off,offset=0pt,]
\xdownarrow{x}{y}
\hspace[big]
\xdownarrow{1}{3}
\hspace[big]
\xdownarrow{2}{1}
\hspace[big]
\xdownarrow{3}{-1}
\hspace[big]
\xdownarrow{4}{-3}
\hspace[big]
\xdownarrow{5}{-5}
\stopframed
\stopplacefigure
\startitemize[a]
\item \im{y = 2x + 2}
\item \im{y = -2x + 2}
\item \im{y = 4x}
\item \im{y = -2x + 5}
\stopitemize
\stopitemize
%% stop MWR
How can I achieve this more elegantly with better spacing and the arrow
pointing to the number instead (-) for negative numbers?
Regards,
Jethro
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* [NTG-context] Re: A few question about defining symbols and creating downarrow to illustrate function rules
2024-11-24 18:08 [NTG-context] A few question about defining symbols and creating downarrow to illustrate function rules Jethro Djan
@ 2024-11-24 20:06 ` Henning Hraban Ramm
2024-11-24 21:52 ` [NTG-context] " Alan Braslau via ntg-context
0 siblings, 1 reply; 5+ messages in thread
From: Henning Hraban Ramm @ 2024-11-24 20:06 UTC (permalink / raw)
To: ntg-context
Am 24.11.24 um 19:08 schrieb Jethro Djan:
> Hello,
>
> I have a few questions.
>
> 1. What is the best way to get a symbol from a font you are not using as
> your main?
e.g.
\definefontsynonym [MySymFont] [file:MySymFont.ttf]
\definesymbol[cedis][\getglyphstyled{MySymFont}{\tochar{x:20B5}}]
\def\cedis{\symbol[cedis]}
or just
\def\cedis{{\definedfont[MySymFont*default]\tochar{x:20B5}}}
> \definesymbol[cedis][\utfchar{“20B5}]
> \def\cedis{
> \switchtobodyfont[dejavu]\tf\symbol[cedis]
> }
>
> I have GH\cedis 10.00 in my pocket
Don’t use \switchtobodyfont for a single character.
For such cases, a fallback font is probably better.
\definefontfallback
[symbolfallback]
[name:MySymFont]
[0x20B5]% can also be a list or range
[check=yes,force=no]
\definetypeface [MyMainFamily]
[rm] [serif] [palatino]
[default][fallbacks=symbolfallback]
https://wiki.contextgarden.net/Command/definefontfallback
> 2. I would like a more robust method to create a diagram (ie., a series
> of input and outputs where you are then required to tell the rule of the
> mapping). The inputs will be up with the outputs below and a downward
> pointing arrow between them.
Sorry, can’t help you here.
Better don’t mix different subjects in one message.
Hraban
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^ permalink raw reply [flat|nested] 5+ messages in thread
* [NTG-context] Re: creating downarrow to illustrate function rules
2024-11-24 20:06 ` [NTG-context] " Henning Hraban Ramm
@ 2024-11-24 21:52 ` Alan Braslau via ntg-context
2024-11-25 6:01 ` Jethro Djan
0 siblings, 1 reply; 5+ messages in thread
From: Alan Braslau via ntg-context @ 2024-11-24 21:52 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Alan Braslau
On Sun, 24 Nov 2024 21:06:23 +0100
Henning Hraban Ramm <texml@fiee.net> wrote:
> > 2. I would like a more robust method to create a diagram (ie., a
> > series of input and outputs where you are then required to tell the
> > rule of the mapping). The inputs will be up with the outputs below
> > and a downward pointing arrow between them.
>
> Sorry, can’t help you here.
> Better don’t mix different subjects in one message.
Yes, easier on everyone to keep issues separate.
You may want to look into either the flowchart module:
tex/texmf-context/doc/context/documents/general/manuals/charts-mkiv.pdf
or the nodes module:
tex/texmf-context/doc/context/documents/general/manuals/nodes.pdf
Alan
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* [NTG-context] Re: creating downarrow to illustrate function rules
2024-11-24 21:52 ` [NTG-context] " Alan Braslau via ntg-context
@ 2024-11-25 6:01 ` Jethro Djan
2024-11-25 8:40 ` Henning Hraban Ramm
0 siblings, 1 reply; 5+ messages in thread
From: Jethro Djan @ 2024-11-25 6:01 UTC (permalink / raw)
To: mailing list for ConTeXt users
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Didn’t know some of these stuff existed.
The caution to separate issues when asking questions is also heard.
Many thanks to Hraban and Alan for your solutions.
Jethro
On Sun, 24 Nov 2024 at 9:52 PM, Alan Braslau via ntg-context <
ntg-context@ntg.nl> wrote:
> On Sun, 24 Nov 2024 21:06:23 +0100
> Henning Hraban Ramm <texml@fiee.net> wrote:
>
> > > 2. I would like a more robust method to create a diagram (ie., a
> > > series of input and outputs where you are then required to tell the
> > > rule of the mapping). The inputs will be up with the outputs below
> > > and a downward pointing arrow between them.
> >
> > Sorry, can’t help you here.
> > Better don’t mix different subjects in one message.
>
> Yes, easier on everyone to keep issues separate.
>
> You may want to look into either the flowchart module:
> tex/texmf-context/doc/context/documents/general/manuals/charts-mkiv.pdf
> or the nodes module:
> tex/texmf-context/doc/context/documents/general/manuals/nodes.pdf
>
> Alan
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
> webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
> archive : https://github.com/contextgarden/context
> wiki : https://wiki.contextgarden.net
>
> ___________________________________________________________________________________
>
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If your question is of interest to others as well, please add an entry to the Wiki!
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___________________________________________________________________________________
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* [NTG-context] Re: creating downarrow to illustrate function rules
2024-11-25 6:01 ` Jethro Djan
@ 2024-11-25 8:40 ` Henning Hraban Ramm
0 siblings, 0 replies; 5+ messages in thread
From: Henning Hraban Ramm @ 2024-11-25 8:40 UTC (permalink / raw)
To: ntg-context
Am 25.11.24 um 07:01 schrieb Jethro Djan:
> Didn’t know some of these stuff existed.
That happens even to old hands. Hans himself sometimes forgets what’s in
ConTeXt ;)
> Many thanks to Hraban and Alan for your solutions.
You’re welcome.
Hraban
___________________________________________________________________________________
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2024-11-24 18:08 [NTG-context] A few question about defining symbols and creating downarrow to illustrate function rules Jethro Djan
2024-11-24 20:06 ` [NTG-context] " Henning Hraban Ramm
2024-11-24 21:52 ` [NTG-context] " Alan Braslau via ntg-context
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