Hi
Without looking at the help guide I think there are restrictions on
resolution
and just in case of unit problems I worked in the default units
> png("test.png",units="in",width=12,height=12,res=300)
Error in png("test.png", units = "in", width = 12, height = 12, res = 300) :
unable to start png() device
In addition: Warning messages:
1: In png("test.png", units = "in", width = 12, height = 12, res = 300) :
unable to allocate bitmap
2: In png("test.png", units = "in", width = 12, height = 12, res = 300) :
opening device failed
> 12*72
[1] 864
> png("test.png",width=864,height=834,res=150)
> plot(seq(0,1000),rep(10,1001),xaxt="n")
> axis(1,seq(0,1000,by=10),at=seq(0,1000,by=10),tick=TRUE)
> axis(1, at = thickticks, labels=FALSE, las = 1,lwd.ticks=2)
> dev.off()
Check ?postscript and the options as eps and pdf require different
arguments.
> postscript("test.eps", paper = "special", width = 12,height = 12)
> plot(seq(0,1000),rep(10,1001),xaxt="n")
> axis(1,seq(0,1000,by=10),at=seq(0,1000,by=10),tick=TRUE)
> axis(1, at = thickticks, labels=FALSE, las = 1,lwd.ticks=2)
> dev.off()
> pdf("test.pdf", paper = "special", width = 12,height = 12)
> plot(seq(0,1000),rep(10,1001),xaxt="n")
> axis(1,seq(0,1000,by=10),at=seq(0,1000,by=10),tick=TRUE)
> axis(1, at = thickticks, labels=FALSE, las = 1,lwd.ticks=2)
> dev.off()
All the above work for me on Win 7 32
platform i386-w64-mingw32
arch i386
os mingw32
system i386, mingw32
Similar to the above has worked on Win 64
Regards
Duncan
Duncan Mackay
Department of Agronomy and Soil Science
University of New England
Armidale NSW 2351
Email: home: mac...@northnet.com.au
-----Original Message-----
From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Christian
Brandstätter
Sent: Tuesday, 31 May 2016 05:24
To: r-help@r-project.org
Subject: [R] graphic device Windows tickmarks
Dear List,
I discovered an issue; when plotting (base) in R, the tickmark-labels
are slightly off (Windows machine).
Thus, when saving the plot in R with x11() and dev(...) the
plot-tickmarks shift, see the example below.
Session Info:
R version 3.2.3 (2015-12-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1
With savePlot it works, but the graph quality is not as nice. Am I
missing something here?
Example:
thickticks <-
c(0,40,90,140,200,260,320,380,440,500,560,620,680,740,800,860,920,980)
x11(width=12,height=12)
plot(seq(0,1000),rep(10,1001),xaxt="n")
axis(1,seq(0,1000,by=10),at=seq(0,1000,by=10),tick=TRUE)
axis(1, at = thickticks, labels=FALSE, las = 1,lwd.ticks=2)
# plots
dev.print(device=png,"test.png",units="in",width=12,height=12,res=500) #
won't display prop.
dev.print(device=postscript,"test.eps",width=12,height=12) # won't
display prop.
dev.print(device=pdf,"test.pdf",width=12,height=12) # won't display prop.
savePlot("test_2.png",type="png") # displays prop.
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______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
