From: Fabrice Couvreur <fabrice1.couvreur@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Package esvect and Context
Date: Fri, 26 May 2017 12:53:42 +0200 [thread overview]
Message-ID: <CACyK-eok_RPyopOEKj1H4Z_kKTqnbedohZaywFFVDrG5WpYjfA@mail.gmail.com> (raw)
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Hello,
Hans suggested a macro to draw the vectors . It works well but I find that
in some situations, the arrow is too big.
thank you,
Fabrice
https://mailman.ntg.nl/pipermail/ntg-context/2016/085828.html
\useMPlibrary[mat]
\startMPextensions
vardef math_stacker_arrow_shape =
image (
drawarrow
(OverlayWidth,OverlayOffset) -- (0,OverlayOffset)
withcolor
OverlayLineColor ;
setbounds currentpicture to boundingbox currentpicture
bottomenlarged (OverlayOffset/2) topenlarged (OverlayOffset/2) ;
)
enddef ;
vardef math_stacker_leftarrow_shape =
math_stacker_arrow_shape
enddef ;
vardef math_stacker_rightarrow_shape =
math_stacker_arrow_shape rotated 180
enddef ;
\stopMPextensions
\startuniqueMPgraphic{math:stacker:\number"2190}
math_stacker_draw(math_stacker_leftarrow_shape) ;
\stopuniqueMPgraphic
\startuniqueMPgraphic{math:stacker:\number"2192}
math_stacker_draw(math_stacker_rightarrow_shape) ;
\stopuniqueMPgraphic
% so far
\setupmathstackers
[both] % vfenced]
[color=darkred,
alternative=mp]
\setupmathstackers
[top]
[color=darkred,
alternative=mp]
\setupmathstackers
[bottom]
[color=darkred,
alternative=mp]
\starttext
$\overrightarrow {i}$
\stoptext
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next reply other threads:[~2017-05-26 10:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-26 10:53 Fabrice Couvreur [this message]
2017-05-26 22:09 ` Hans Hagen
2017-05-27 7:40 ` Fabrice Couvreur
-- strict thread matches above, loose matches on Subject: below --
2016-06-04 7:12 Fabrice Couvreur
2016-06-06 19:23 ` josephcanedo
2016-06-06 19:39 ` Fabrice Couvreur
2016-06-06 20:50 ` Hans Hagen
2016-06-07 20:17 ` Fabrice Couvreur
2016-06-07 21:04 ` Wolfgang Schuster
2016-06-15 12:48 ` Fabrice Couvreur
2016-06-15 12:58 ` Wolfgang Schuster
2016-06-15 13:17 ` Fabrice Couvreur
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