Re: [NTG-context] Define new symbol by stitching two symbols together

2021-05-24 Thread Nicola 
On 2021-05-24, Aditya Mahajan  wrote:
> On Sun, 23 May 2021, Hans Hagen wrote:
>
>> On 5/22/2021 8:23 PM, Nicola wrote:
>> > I would like to define new symbols by stitching together existing
>> > glyphs. This is what I have come up so far:
>> >
>> >  \define[1]\Transition{-\!\![#1]\!\!\rightarrow}
>> >  \starttext
>> >  \m{L\Transition{A}R}
>> >  \stoptext
>> >
>> > This should render as -[ ]->, ideally with no space between the dash or
>> > the arrow and the brackets, i.e., -[ should appear like a single glyph;
>> > ditto for ]-->. With the definition above, however, the space is
>> > variable, and in some circumstances the gliphs overlap.
>> >
>> > How can I improve the above definition?
>> don't use these funny \! skips ... use some font related metric:
>>
>>  \define[1]\Transition{-\kern-1ex[#1]\kern-1.1ex\rightarrow}
>
> This is how we used to define arrows in the old days ...
>
> \define[1]\Transition{\relbar\joinrel\mathrel{[}#1\mathrel{]}\joinrel\rightarrow}
> \define[1]\BigTransition{\relbar\joinrel\relbar\joinrel\mathrel{[}#1\mathrel{]}\joinrel\relbar\joinrel\rightarrow}
>
> \starttext
> \m{L\Transition{A}R}
>
> \m{L\BigTransition{A}R}
> \stoptext

Thanks Hans, Aditya,

combining your ideas (\joinrel plus \kern) seems to work best for my use
case.

Nicola

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Re: [NTG-context] Define new symbol by stitching two symbols together

2021-05-24 Thread Aditya Mahajan 
On Sun, 23 May 2021, Hans Hagen wrote:

> On 5/22/2021 8:23 PM, Nicola wrote:
> > I would like to define new symbols by stitching together existing
> > glyphs. This is what I have come up so far:
> > 
> >  \define[1]\Transition{-\!\![#1]\!\!\rightarrow}
> >  \starttext
> >  \m{L\Transition{A}R}
> >  \stoptext
> > 
> > This should render as -[ ]->, ideally with no space between the dash or
> > the arrow and the brackets, i.e., -[ should appear like a single glyph;
> > ditto for ]-->. With the definition above, however, the space is
> > variable, and in some circumstances the gliphs overlap.
> > 
> > How can I improve the above definition?
> don't use these funny \! skips ... use some font related metric:
> 
>  \define[1]\Transition{-\kern-1ex[#1]\kern-1.1ex\rightarrow}

This is how we used to define arrows in the old days ...

\define[1]\Transition{\relbar\joinrel\mathrel{[}#1\mathrel{]}\joinrel\rightarrow}
\define[1]\BigTransition{\relbar\joinrel\relbar\joinrel\mathrel{[}#1\mathrel{]}\joinrel\relbar\joinrel\rightarrow}

\starttext
\m{L\Transition{A}R}

\m{L\BigTransition{A}R}
\stoptext

Aditya



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Re: [NTG-context] Define new symbol by stitching two symbols together

2021-05-23 Thread Hans Hagen 

On 5/22/2021 8:23 PM, Nicola wrote:

I would like to define new symbols by stitching together existing
glyphs. This is what I have come up so far:

 \define[1]\Transition{-\!\![#1]\!\!\rightarrow}
 \starttext
 \m{L\Transition{A}R}
 \stoptext

This should render as -[ ]->, ideally with no space between the dash or
the arrow and the brackets, i.e., -[ should appear like a single glyph;
ditto for ]-->. With the definition above, however, the space is
variable, and in some circumstances the gliphs overlap.

How can I improve the above definition?

don't use these funny \! skips ... use some font related metric:

\define[1]\Transition{-\kern-1ex[#1]\kern-1.1ex\rightarrow}
\starttext
\m{L\Transition{A}R}
\stoptext



-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
   tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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