From: Marco Patzer <lists@homerow.info>
To: ntg-context@ntg.nl
Subject: Re: Code Called Twice?
Date: Fri, 11 Oct 2013 09:27:42 +0200 [thread overview]
Message-ID: <20131011072742.GG18324@homerow> (raw)
In-Reply-To: <CAANrE7rE-YnEQozC15hM8HZCKL-W-kif9ThiVZwbSYUNQkqWnA@mail.gmail.com>
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On 2013–10–10 Thangalin wrote:
> I noticed something unexpected with the following code:
>
> \enabletrackers[metapost.showlog]
>
> \startuseMPgraphic{heading:ThemeTitleStyle}
> show "HEADING:THEMETITLESTYLE";
> show \MPstring{heading:title};
>
> draw textext( \MPstring{heading:title} ) rotated 5
> withcolor blue;
> \stopuseMPgraphic
>
> […]
>
> It appears as though heading:ThemeTitleStyle is being called twice:
If I'm not mistaken that's the way MP works when text is involved,
it's a two-pass approach. In graphics without text MP has all
information it needs to create the image. The text in MP graphics is
typeset using TeX. After it's typeset MP picks it up in a second
run.
> I am trying to produce a random number that is not equal to the
> previous random number. However, if the code is called twice, then I'd
> have to add code to ignore one of the calls.
Maintain a vector with the last two elements to check against.
Marco
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next prev parent reply other threads:[~2013-10-11 7:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 6:21 Thangalin
2013-10-11 7:27 ` Marco Patzer [this message]
2013-10-11 16:39 ` Thangalin
2013-10-11 11:00 ` Philipp Gesang
2013-10-11 21:29 ` Hans Hagen
2013-10-12 0:09 ` Philipp Gesang
2013-10-12 0:16 ` Hans Hagen
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