From: Peter Rolf <indiego@gmx.net>
Subject: Re: TeX trigger in MP macro
Date: Fri, 04 Aug 2006 12:57:53 +0200 [thread overview]
Message-ID: <44D32831.2060209@gmx.net> (raw)
In-Reply-To: <44D28032.4010902@wxs.nl>
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Hans Hagen wrote:
> Peter Rolf wrote:
>> Hi all,
>>
>> Currently I am using
>>
>> \startuniqueMPgraphic{foo}
>> ...
>> if (\DbgFill=0) :
>> fill whatever
>> fi
>> ...
>> \stopuniqueMPgraphic
>>
>> in my MP graphics. \DbgFill (0|1) is just a trigger, which prevents
>> filling in case of visual debugging. Instead of always writing this
>> 'long' form, it should be possible to use a self written mp-macro
>> instead. But my naive approach
>>
>> def dbg_fill (expr p) =
>> if (\DbgFill=0) :
>> fill p ;
>> fi
>> enddef ;
>>
>> doesn't work. I get
>>
>>
>>>> DbgFill
>>>>
>> ! Unknown relation will be considered false.
>>
>>
>> How do I realize this trigger inside pure MP code and set it outside in
>> TeX? The trigger should be global and can change during runtime. Any
>> help is welcome.
>>
> can you make a test file?
>
I tried and my example code works at the beginning. After some changes
things run wild (only possible in TeX ;) ). Not even the 'long' form
worked any more.
So I went to contextlive and copied the simple test file. To my
astonishment it didn't work either. But more important, the log file
shows the same MetaPost error message I get, since ConTeXt swapped to
ruby (preventing me from updating). Testfile and context live log (html)
are attached.
If someone can solve this problem I would be very glad.
Greetings, Peter
> 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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>
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next prev parent reply other threads:[~2006-08-04 10:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-03 12:29 Peter Rolf
2006-08-03 23:01 ` Hans Hagen
2006-08-04 10:57 ` Peter Rolf [this message]
2006-08-04 11:14 ` Taco Hoekwater
2006-08-04 11:17 ` Taco Hoekwater
2006-08-04 12:27 ` Peter Rolf
2006-08-04 12:42 ` Taco Hoekwater
2006-08-04 13:04 ` Peter Rolf
2006-08-04 14:26 ` Peter Rolf
2006-08-04 14:42 ` stange error in Live ConTeXt Taco Hoekwater
2006-08-04 16:22 ` Peter Rolf
2006-09-06 18:54 ` Patrick Gundlach
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