From: Fabrice <couvreur.fabrice@wanadoo.fr>
To: ntg-context@ntg.nl
Subject: Re: Problem in using vlingrid() and hlingrid() macros (Metafun)
Date: Sun, 15 Mar 2015 11:12:52 +0100 [thread overview]
Message-ID: <55055B24.40207@wanadoo.fr> (raw)
In-Reply-To: <CACyK-eo5Z1_iuwokxiDaq5yprqdNv+_sY=YwH55N1=G28-KThQ@mail.gmail.com>
Hi,
To solve my problem, I finally used a loop to draw a grid.
Fabrice
\starttext
\start
\switchtobodyfont[small]
\startMPcode
path p ;
u := 2cm ; v:= 1cm ;
p := (-u,-5v)--(3u,-5v)--(3u,4v)--(-u,4v)--cycle ;
drawoptions(withpen pencircle scaled 0.5pt withcolor
\MPcolor{mycolor});
for i=-u step u until 3u :
draw (i,-5v)--(i,4v) ;
endfor ;
for i=-5v step v until 4v :
draw (-u,i)--(3u,i) ;
endfor ;
drawoptions(withpen pencircle scaled 1pt) ;
drawarrow (-u,0)--(3u,0) ;
drawarrow (0,-5v)--(0,4v) ;
draw (u,-0.05v)--(u,0.05v) ;
draw (-0.025u,v)--(0.025u,v) ;
draw curvedfunction ("x", "3*x*x-5*x+1", -1, 3, 0.01) xyscaled
(u,v) withcolor red ;
draw curvedfunction ("x", "-5*x+1", -1, 3, 0.01) xyscaled (u,v)
withcolor blue ;
draw curvedfunction ("x", "7*x-11", -1, 3, 0.01) xyscaled (u,v)
withcolor green ;
label.bot(btex $x$ etex,(2.97u,-0.1v)) ;
label.rt(btex $y$ etex,(0.01u,3.9v)) ;
label.llft("0",(0,0)) ;
label.urt("A",(0,v)) ;
dotlabel("",(u,-4v)) ;
label.rt("C",(1.02u,-4v)) ;
dotlabel.lrt("B",(2u,3v)) ;
label.bot("1",(u,0)) ;
label.lft("1",(0,v)) ;
clip currentpicture to p ;
\stopMPcode
\stop
\stoptext
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
archive : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
prev parent reply other threads:[~2015-03-15 10:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-14 10:43 Fabrice Couvreur
2015-03-15 10:12 ` Fabrice [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=55055B24.40207@wanadoo.fr \
--to=couvreur.fabrice@wanadoo.fr \
--cc=ntg-context@ntg.nl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).