From: Hans Hagen <pragma@wxs.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: runtime problem with metafun() code
Date: Sat, 25 Jan 2014 01:07:22 +0100 [thread overview]
Message-ID: <52E3003A.7010509@wxs.nl> (raw)
In-Reply-To: <52E2B3CC.7080609@gmx.net>
On 1/24/2014 7:41 PM, Peter Rolf wrote:
> Am 24.01.2014 14:45, schrieb Hans Hagen:
>> On 1/24/2014 1:35 PM, Peter Rolf wrote:
>>> Hi,
>>>
>>> I try to create a Metapost path in lua and it works so far for the
>>> attached example. But a call of that function from another lua function
>>> sadly fails (no path visible after call). The code seems to be executed
>>> later (the output from 'show pid;' appears somewhere later in the log).
>>>
>>> How can I ensure that the code is executed at runtime?
>>
>> I don't understand the issue but isn't there a
>>
>> metafun("draw p;")
>>
>> missing then?
>>
> Setting the bounding box has the same effect, as drawing something.
> Both methods avoid that the emtpy graphic is ignored by ConTeXt.
>
> Anyhow, the MP path is not available in metapost.variables after the
> function call. If there is no other way I have to call the function from
> the TeX side (like in the attached example). Will look into that tomorrow.
%D We also provide an outputless run:
\unexpanded\def\startMPcalculation
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next prev parent reply other threads:[~2014-01-25 0:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-24 12:35 Peter Rolf
2014-01-24 13:45 ` Hans Hagen
2014-01-24 18:41 ` Peter Rolf
2014-01-25 0:07 ` Hans Hagen [this message]
2014-01-25 12:58 ` Peter Rolf
2014-01-27 12:12 ` Hans Hagen
2014-01-27 13:17 ` Peter Rolf
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