From: Alan BRASLAU <alan.braslau@cea.fr>
To: "Jörg Hagmann" <joerg.hagmann@unibas.ch>, "Hans Hagen" <pragma@wxs.nl>
Cc: ntg-context@ntg.nl
Subject: Re: ppchtex, color and mkiv
Date: Fri, 19 Nov 2010 10:52:30 +0100 [thread overview]
Message-ID: <201011191052.30710.alan.braslau@cea.fr> (raw)
In-Reply-To: <4CE63ADF.3050909@unibas.ch>
On Friday 19 November 2010 09:52:47 Jörg Hagmann wrote:
> From a thread on this list (May 2009:
> http://archive.contextgarden.net/message/20090512.132914.5c29b5f4.en.html)
> I gather that whereas colouring a whole molecule works fine, colouring
> groups within a chemical structure is not yet fully implemented in mkiv.
> Is that still correct?
>
> Putting colour on atoms works with {\blue C} etc. or "\defineprocessor
> ... etc. chemred->C" etc.. However, I couldn't find a way to colour the
> bonds belonging to the group. Is there one?
The only way that I managed to do this is to draw the chemical twice and to
use overlays (or to trick the bounding box using left=,right=,top=,bottom=).
It would be nice to be able to draw colored bonds, perhaps with the syntax:
\chemical[SIX,rulecolor=blue,SB1,rulecolor=black,SB2..6][]
The problem is that we usually don't mix single tokens with token=val.
(but Hans has broken this rule with an experimental feature: Z1=C, currently
broken as it converts C to lowercase...)
For now, rulecolor= can only be specified in \startchemical or \setupchemical.
Maybe we can discuss this with Hans off-list?
Alan
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prev parent reply other threads:[~2010-11-19 9:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-19 8:52 Jörg Hagmann
2010-11-19 9:52 ` Alan BRASLAU [this message]
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