subject:"Re\: \[NTG\-context\] overarc"

Re: [NTG-context] Overarc etc. symbols

2017-07-02 Thread Jaroslav Hajtmar

Thanx Henri.
This is very useful for me.
Jaroslav Hajtmar


Dne 02.07.17 23:38, ntg-context za uživatele Henri Menke 
 napsal(a):

On Sun, 2017-07-02 at 08:38 +, Jaroslav Hajtmar wrote:
> Thanx Henri, 
> that's exactly what I needed. Is there in any place on Wiki table of all 
ConTeXt math symbols?
> Sometimes I look for something and I explore, that few LaTeX symbols not 
work in ConTeXt.

Most (all?) delimiters are defined in these files.


https://github.com/contextgarden/context-mirror/blob/beta/tex/context/base/mkiv/math-stc.mkvi

https://github.com/contextgarden/context-mirror/blob/beta/tex/context/base/mkiv/math-fen.mkiv

Otherwise I just look up the symbol in this file

http://texdoc.net/texmf-dist/doc/latex/unicode-math/unimath-symbols.pdf

and then search the ConTeXt source for the Unicode slot to get the name in 
ConTeXt.  But in many
cases the names from unimath-symbols also work in ConTeXt.

> 
> Thanx again.
> Jaroslav Hajtmar
> 
> 
> Dne 02.07.17 9:46, ntg-context za uživatele Henri Menke 
 enrime...@gmail.com> napsal(a):
> 
> $\overparent{AVB}$
> 
> 
> Dne 02.07.17 9:46, ntg-context za uživatele Henri Menke 
 enrime...@gmail.com> napsal(a):
> 
> On 07/02/2017 07:18 PM, Jaroslav Hajtmar wrote:
> > Hello ConTeXist.
> > 
> > Can someone advise me how to lay an arc over three letters AVB.
> > 
> > It's about the LaTeX equivalent of \overarc or \widearc macro. Is 
there any table of similar
> ConTeXt symbols?
> 
> Maybe like this?
> 
> \starttext
> 
> $\overparent{AVB}$
> 
> $\underparent{AVB}$
> 
> \stoptext
> 
> > 
> > Thanks Jaroslav Hajtmar
> > 
> >  
> > 
> >  
> > 
> >  
> > 
> > 
> > 
> > 
___
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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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> 
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> 
> 
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Re: [NTG-context] Overarc etc. symbols

2017-07-02 Thread Henri Menke

On Sun, 2017-07-02 at 08:38 +, Jaroslav Hajtmar wrote:
> Thanx Henri, 
> that's exactly what I needed. Is there in any place on Wiki table of all 
> ConTeXt math symbols?
> Sometimes I look for something and I explore, that few LaTeX symbols not work 
> in ConTeXt.

Most (all?) delimiters are defined in these files.

https://github.com/contextgarden/context-mirror/blob/beta/tex/context/base/mkiv/math-stc.mkvi
https://github.com/contextgarden/context-mirror/blob/beta/tex/context/base/mkiv/math-fen.mkiv

Otherwise I just look up the symbol in this file

http://texdoc.net/texmf-dist/doc/latex/unicode-math/unimath-symbols.pdf

and then search the ConTeXt source for the Unicode slot to get the name in 
ConTeXt.  But in many
cases the names from unimath-symbols also work in ConTeXt.

> 
> Thanx again.
> Jaroslav Hajtmar
> 
> 
> Dne 02.07.17 9:46, ntg-context za uživatele Henri Menke 
>  enrime...@gmail.com> napsal(a):
> 
> $\overparent{AVB}$
> 
> 
> Dne 02.07.17 9:46, ntg-context za uživatele Henri Menke 
>  enrime...@gmail.com> napsal(a):
> 
> On 07/02/2017 07:18 PM, Jaroslav Hajtmar wrote:
> > Hello ConTeXist.
> > 
> > Can someone advise me how to lay an arc over three letters AVB.
> > 
> > It's about the LaTeX equivalent of \overarc or \widearc macro. Is there 
> any table of similar
> ConTeXt symbols?
> 
> Maybe like this?
> 
> \starttext
> 
> $\overparent{AVB}$
> 
> $\underparent{AVB}$
> 
> \stoptext
> 
> > 
> > Thanks Jaroslav Hajtmar
> > 
> >  
> > 
> >  
> > 
> >  
> > 
> > 
> > 
> > 
> ___
> > 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
> > 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@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@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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> wiki : http://contextgarden.net
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Re: [NTG-context] Overarc etc. symbols

2017-07-02 Thread Jaroslav Hajtmar

Thanx Henri, 
that's exactly what I needed. Is there in any place on Wiki table of all 
ConTeXt math symbols? Sometimes I look for something and I explore, that few 
LaTeX symbols not work in ConTeXt.

Thanx again.
Jaroslav Hajtmar

Dne 02.07.17 9:46, ntg-context za uživatele Henri Menke 
 napsal(a):

$\overparent{AVB}$

Dne 02.07.17 9:46, ntg-context za uživatele Henri Menke 
 napsal(a):

On 07/02/2017 07:18 PM, Jaroslav Hajtmar wrote:
> Hello ConTeXist.
> 
> Can someone advise me how to lay an arc over three letters AVB.
> 
> It's about the LaTeX equivalent of \overarc or \widearc macro. Is there 
any table of similar ConTeXt symbols?

Maybe like this?

\starttext

$\overparent{AVB}$

$\underparent{AVB}$

\stoptext

> 
> Thanks Jaroslav Hajtmar
> 
>  
> 
>  
> 
>  
> 
> 
> 
> 
___
> 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
> 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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Re: [NTG-context] Overarc etc. symbols

2017-07-02 Thread Jaroslav Hajtmar

Thanx Henri, 
that's exactly what I needed. Is there in any place on Wiki table of all 
ConTeXt math symbols? Sometimes I look for something and I explore, that few 
LaTeX symbols not work in ConTeXt.

Thanx again.
Jaroslav Hajtmar


> On 02.07.17 9:46, ntg-context za uživatele Henri Menke 
>  napsal(a):

>$\overparent{AVB}$



Dne 02.07.17 9:46, ntg-context za uživatele Henri Menke 
 napsal(a):

On 07/02/2017 07:18 PM, Jaroslav Hajtmar wrote:
> Hello ConTeXist.
> 
> Can someone advise me how to lay an arc over three letters AVB.
> 
> It's about the LaTeX equivalent of \overarc or \widearc macro. Is there 
any table of similar ConTeXt symbols?

Maybe like this?

\starttext

$\overparent{AVB}$

$\underparent{AVB}$

\stoptext

> 
> Thanks Jaroslav Hajtmar
> 
>  
> 
>  
> 
>  
> 
> 
> 
> 
___
> 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
> 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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Re: [NTG-context] Overarc etc. symbols

2017-07-02 Thread Henri Menke

On 07/02/2017 07:18 PM, Jaroslav Hajtmar wrote:
> Hello ConTeXist.
> 
> Can someone advise me how to lay an arc over three letters AVB.
> 
> It's about the LaTeX equivalent of \overarc or \widearc macro. Is there any 
> table of similar ConTeXt symbols?

Maybe like this?

\starttext

$\overparent{AVB}$

$\underparent{AVB}$

\stoptext

> 
> Thanks Jaroslav Hajtmar
> 
>  
> 
>  
> 
>  
> 
> 
> 
> ___
> 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
> 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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Re: [NTG-context] overarc

2009-03-05 Thread Aditya Mahajan


On Wed, 4 Mar 2009, David Arnold wrote:


All,

How can I place an overarc over some text, such as in \overarc{AB}?


Currently, there is no such feature. Are you looking at the functionality 
of the arcs package of latex? If so, it will be easy to add it to ConTeXt. 
The main trouble is that the glyph for \overarc is missing from the fonts. 
Arcs.sty takes the glyphs for \frown and \smile, and scales them 
appropriately. An ugly solution, but it looks ok if you are just placing 
it over one or two letters.


I cannot translate the code to ConTeXt right now, so am posting it here 
incase someone wants to give it a shot.


\newcommand{\overarc}[2][1]{\o...@under@arc{#1}{#2...@}
\newcommand{\underarc}[2][1]{\o...@under@arc{#1}{#...@ne}
\newcommand{\o...@under@arc}[3]{%
  \leavevmode
  \hbox {%
\setbox\z@ = \hbox {#2}%
\ifdim \ht\z@ = \z@ %  arc over/under space
  \ifdim \dp\z@ = \z@
\ht\z@ = 1ex\relax
  \fi
\fi
\dimen@ = #1\wd\z@
\begingroup
\let \...@size@warning = \...@gobbletwo
\relsize{-10}%
\...@ne = \z@
\...@whiledim \...@ne  .95\dimen@ \do {%
%AM: This loops keeps on increasing the fontsize
%by 1 until the width of the glyph increases the width of
%of box zero.
  \ifx \...@currsize \Huge
\dimen@ = \z@
  \else
$%AM: Really? Load the font for each font size!
\skip@ = \...@baselineskip
\fontencoding{OML}\fontfamily{cmm}\fontseries{m}%
\fontshape{it}\fontsize{\...@size}{\skip@}\selectfont
\global \setb...@ne = \hbox {%
   \hss\symbol{5\ifnum #3=\z@ F\else E\fi}\hss}%
\ifdim \...@ne  \dimen@
  \fontsize{...@size}{\skip@}\selectfont
  \global \setb...@ne = \hbox {%
 \hss\symbol{5\ifnum #3=\z@ F\else E\fi}\hss}%
  \ifdim \...@ne  \dimen@
\fontsize{...@size}{\skip@}\selectfont
\global \setb...@ne = \hbox {%
  \hss\symbol{5\ifnum #3=\z@ F\else E\fi}\hss}%
  \fi
\fi
$%AM: Normally one sets mathsurround to zero. Why is that not done 
here?

  \fi
  \ifdim \...@ne  \dimen@
\relsize{+1}%
  \fi
  \global \di...@i = \fontdimen5\the\font
}%
\endgroup
\ifnum #3 = \z@
  \di...@ii = 1.067\ht\z@
  \global \divide \di...@i by \tw@
  \global \advance \di...@i by -\...@ne
  \advance \di...@ii by .6\di...@i
\else
  \di...@ii = -1.05\...@ne
  \advance \di...@ii by -.75pt
  \ifdim \dp\z@  \z@
\advance \di...@ii by -\dp\z@
  \fi
\fi
\copy\z@
\dimen@ = \wd\z@
\advance \dimen@ by \...@ne
\kern -.5\dimen@
\raisebox {\di...@ii}[\z@]...@]{\copy\@ne}%
\dimen@ = \wd\z@
\advance \dimen@ by -\...@ne
\dimen@ = .5\dimen@
\kern \dimen@
  }%
}


Aditya
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Re: [NTG-context] overarc

2009-03-05 Thread Thomas A. Schmitz



On Mar 5, 2009, at 2:39 PM, Aditya Mahajan wrote:

Currently, there is no such feature. Are you looking at the  
functionality of the arcs package of latex? If so, it will be easy  
to add it to ConTeXt. The main trouble is that the glyph for  
\overarc is missing from the fonts. Arcs.sty takes the glyphs for  
\frown and \smile, and scales them appropriately. An ugly solution,  
but it looks ok if you are just placing it over one or two letters.


I had a similar wish a while ago and hacked something with a  
MPpositiongraphic. It is certainly not very elegant, but IMHO better  
than the LaTeX code you posted (scaling a glyph like that will look  
ugly when you want to span more than just two letters). Wolfgang  
Schuster supplied the neat trick with the counter. It is quite fast  
when run with mkiv, but I suspect would be slow with mkii (and leave  
quite a few .mp files behind). Maybe this can help:


\newcount\arcnumber

\startMPpositiongraphic{placeoverarc}
 StartPage ;
 begingroup ;
 initialize_box(\MPpos{\MPvar{self}}) ;
 numeric c ; c = ExHeight/6 ;
 z1 = llxy ;
 z2 = lrxy ;
 z7 = 1/2[z1,z2] ;
 z4 = ((x1 + 2*c), (y1 + 2*c)) ;
 z5 = (x7, (y7 + 4*c)) ;
 z6 = ((x2 - 2*c), (y2 + 2*c)) ;
 path syn ; syn := z4 .. z5 .. z6 ;
 pickup pencircle scaled (0.75*c) ;
 draw syn ;
 anchor_box(\MPanchor{\MPvar{self}}) ;
 endgroup ;
 save c ;
 StopPage ;
\stopMPpositiongraphic%

\define[1]\overarc
{\advance\arcnumber\plusone%
 \setMPpositiongraphic{POS-\number\arcnumber}{placeoverarc}%
 \hpos{POS-\number\arcnumber}{#1}}

Maybe that can be the starting point for some better code...

Thomas

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Re: [NTG-context] overarc

2009-03-05 Thread Hans Hagen


David Arnold wrote:

All,

How can I place an overarc over some text, such as in \overarc{AB}?


well, this does not show how it should look -)

Hans

-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
 | www.pragma-pod.nl
-
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Re: [NTG-context] Overarc etc. symbols

Re: [NTG-context] Overarc etc. symbols

Re: [NTG-context] Overarc etc. symbols

Re: [NTG-context] Overarc etc. symbols

Re: [NTG-context] Overarc etc. symbols

Re: [NTG-context] overarc

Re: [NTG-context] overarc

Re: [NTG-context] overarc

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