From: Aditya Mahajan <adityam@umich.edu>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Labels in MetaPost (MetaObj)
Date: Sat, 22 Jan 2011 11:30:10 -0500 (EST) [thread overview]
Message-ID: <alpine.LNX.2.01.1101221126290.5824@ybpnyubfg.ybpnyqbznva> (raw)
In-Reply-To: <4D3ADACE.7090900@gmx.de>
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On Sat, 22 Jan 2011, Stefan Müller wrote:
> So its either using text or using metaobj? Too bad, metaobj is quite fun... I
> still hope you guys can fix this, but it's not urgent (to me).
>
> Anyway, what does the [+] after
> \startMPinclusions? I did not find documentation for that on the wiki.
\startMPinclusions
path a ;
\stopMPinclusions
\startMPinclusions
a := (0,0) -- (1cm,0) ;
\stopMPinclusions
will fail, because the second inclusions overwrites the first. If you use
[+], then the second inclusions in appended after the first.
> Just as a wild guess I tested the example below today, trying to make use of
> the things Aditya said, but to no avail.
The trick is to ensure that the offending code (assignObj) is not run
twice.
\startMPinclusions[+]
input metaobj;
boolean flag; flag := false;
\stopMPinclusions
\startMPdefinitions
vardef newSegment@\#=
if not flag :
assignObj(@\#,"Segment");
ObjPoint a,b;
ObjCode "@\#b-@\#a=(1cm,2cm)";
fi ;
enddef;
def drawSegment(suffix n)=
draw n.a--n.b;
draw btex \tt \overbar{E} etex shifted n.a; % 1
enddef;
\stopMPdefinitions
\starttext
\startMPpage
newSegment.s;
ObjLabel.s(btex hello! etex) "labpoint(a)"; % 2
s.a=origin;
drawObj(s);
flag := true ;
\stopMPpage
\stoptext
@Hans, can we have a `trialtypesetting` for MP code?
Aditya
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next prev parent reply other threads:[~2011-01-22 16:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-18 12:17 Stefan Müller
2011-01-20 8:59 ` Taco Hoekwater
2011-01-21 23:10 ` Hans Hagen
2011-01-22 1:38 ` Aditya Mahajan
2011-01-22 13:25 ` Stefan Müller
2011-01-22 16:30 ` Aditya Mahajan [this message]
2011-01-23 11:40 ` Stefan Müller
2011-01-23 12:25 ` Stefan Müller
2011-01-23 17:22 ` Aditya Mahajan
2011-01-23 21:14 ` Stefan Müller
2011-01-24 15:34 ` Stefan Müller
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