Try:
plot(0,0,n,xlim=c(0,1),ylim=c(0,1),axes=F,ann=F,xaxs='i',yaxs='i')
To see if that fixes it for you (without the xaxs and yaxs arguments it
adds 4% of the range to each side so that any points plotted do not fall
to close to the axes.
Hope this helps,
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
[EMAIL PROTECTED]
(801) 408-8111
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Scionforbai
Sent: Tuesday, March 06, 2007 2:42 PM
To: r-help@stat.math.ethz.ch
Subject: [R] Obtaining figures with exactly placed points
Dear list,
I have to plot some geometrical shape given as list of
points. My need is the following: let's say my shape is a 1
inch large square; how can I plot it with R in a graphic
format that gives me an image *exactly*
1 inch large? I tried to set oma, mar and fin parameters, but
with no success.
I'm currently using the xfig driver for the final images are
to be included in latex documents, so I can easily add latex
mathematical text and other things; however, other formats
(pdf, eps) will do.
The piece of code:
xfig(R2fig.fig)
par(mar=c(0,0,0,0),oma=c(0,0,0,0),fin=c(1,1))#no margin,
figure dimension 1x1 inch
plot(0,0,n,xlim=c(0,1),ylim=c(0,1),axes=F,ann=F)
rect(0,0,1,1)
dev.off()
gives me not what I want:
$ cat R2fig.fig
#FIG 3.2
Landscape
Flush left
Inches
A4
100.00
Single
-2
1200 2
# End of XFig header
2 2 0 1 0 -1 100 0 -1 4.000 0 0 -1 0 0 5
0 0 0 0 0
And this is what it should be (drawn by Xfig itself):
$ cat Xfig.fig
#FIG 3.2
Landscape
Flush left
Inches
A4
100.00
Single
-2
1200 2
2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
0 0 1200 0 1200 1200 0 1200 0 0
The interesting part is the last line; 1200 is replaced by
in the R ouput. Why is the R ouput still scaled? Do I
miss some graphic parameter?
Any tip is appreciated,
marco
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and provide commented, minimal, self-contained, reproducible code.
