From: Alan Braslau <braslau.list@comcast.net>
To: Aditya Mahajan <adityam@umich.edu>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Metafun: setting pen size in properties
Date: Sun, 23 Jul 2017 18:13:17 -0600 [thread overview]
Message-ID: <20170723181317.2a47c7e7@zoo.hsd1.co.comcast.net> (raw)
In-Reply-To: <alpine.OSX.2.02.1707231931440.36563@nqv-znpobbx>
withproperties is an experimental, metafun extension that appears to
cover color and pre/postscripts. It could be extended to cover withpen,
etc.
Look at mp-mplib.mkiv. properties() returns an image object that can
hold many things. The graph package does similar tricks.
Alan
On Sun, 23 Jul 2017 19:40:03 -0400 (EDT)
Aditya Mahajan <adityam@umich.edu> wrote:
> Hi,
>
> Is it possible to set pen width using properties(...)? The following
> does not work (the color is set, but not the pen width):
>
> \starttext
> \startMPcode
> property p[] ;
> p[1] := properties(withcolor red withpen pencircle scaled 1bp);
> p[2] := properties(withcolor blue withpen pencircle scaled 10bp);
>
> draw fullcircle scaled 1cm withproperties p[1];
> draw fullcircle scaled 2cm withproperties p[2];
> \stopMPcode
> \stoptext
>
> Also, what is the advantage of using properties over a simple def?
> (except that I cannot def a suffixed variable). For example:
>
> \starttext
> \startMPcode
> def qA = withcolor red withpen pencircle scaled 1bp enddef;
> def qB = withcolor blue withpen pencircle scaled 10bp enddef;
>
> draw fullcircle scaled 1cm qA;
> draw fullcircle scaled 2cm qB;
>
> \stopMPcode
> \stoptext
>
> Thanks,
> Aditya
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next prev parent reply other threads:[~2017-07-24 0:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-23 23:40 Aditya Mahajan
2017-07-24 0:13 ` Alan Braslau [this message]
2017-07-24 8:26 ` Hans Hagen
2017-07-24 16:58 ` Alan Braslau
2017-07-25 17:34 ` Aditya Mahajan
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