From: Vyatcheslav Yatskovsky <yatskovsky@gmail.com>
To: ntg-context@ntg.nl
Subject: Building a guitar chord using MP
Date: Fri, 09 Apr 2010 21:05:06 +0300 [thread overview]
Message-ID: <4BBF6C52.60209@gmail.com> (raw)
In-Reply-To: <mailman.459.1270827309.4277.ntg-context@ntg.nl>
Hello,
I have interesting task. I want to build a picture of a guitar chord
using metapost.
For now, I only knew how to make a chord grid:
\startreusableMPgraphic{chordgrid}
drawoptions(withpen pencircle scaled 0.4pt withcolor black) ;
draw hlingrid(0, 5, 1, 0.8cm, 1cm) ;
draw vlingrid(0, 4, 1, 1cm, 0.8cm) ;
\stopreusableMPgraphic
\define[0]\ChGrid{\dontleavehmode\useMPgraphic{chordgrid}\hskip2mm}
\starttext
\ChGrid
\stoptext
I need to change it so that I could specify fret numbers, i.e. six
numbers for each string, and draw a filled circles in these positions.
I've started with a command like this
\define[6]\Ch{\dontleavehmode\useMPgraphic{chordgrid}...
I'm not sure what to do next... How to pass these parameters into MP,
how to organize the loop...
For a test, \Ch[1][3][1][2][1][1] should produce
|-O-|---|---|---|
|-O-|---|---|---|
|---|-O-|---|---|
|-O-|---|---|---|
|---|---|-O-|---|
|-O-|---|---|---|
Please, help me with it.
--
Best Regards,
Vyatcheslav Yatskovsky
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next parent reply other threads:[~2010-04-09 18:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.459.1270827309.4277.ntg-context@ntg.nl>
2010-04-09 18:05 ` Vyatcheslav Yatskovsky [this message]
2010-04-09 18:30 ` Taco Hoekwater
2010-04-09 20:55 ` Henning Hraban Ramm
2010-04-10 8:35 ` R. Bastian
[not found] <mailman.466.1270861320.4277.ntg-context@ntg.nl>
2010-04-10 9:56 ` Vyatcheslav Yatskovsky
2010-04-10 12:30 ` Taco Hoekwater
2010-04-10 10:01 ` Vyatcheslav Yatskovsky
2010-04-10 20:26 ` Henning Hraban Ramm
[not found] <mailman.501.1271102166.4277.ntg-context@ntg.nl>
2010-04-12 21:57 ` Vyatcheslav Yatskovsky
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