On Wed, 18 Feb 2009, Lauri Nikkinen wrote:
Thanks. I upgraded to R 2.8.1 and tried
tiff(filename = "volc.tif", width=600, height=400, compression =
"none", bg = "white", res = 300)
image(t(volcano)[ncol(volcano):1,])
dev.off()
but this produces error
Error in plot.new() : figure margins too large
How this should be modified to produce a decent-sized graph?
Well, thae is a 2" by 1.3" image, so the pointsize is way too large.
Increase the dimensions or decrease the resolution or decreaase the
pointsize.
(As a warning, there was a 'grid' bug that affected some versions of
tiff, png etc in 2.8.0 and 2.8.1 when plotting lattice plots at
non-default resolutions. The NEWS item is
o grid-based plots no longer reset the base text size to the
default 96dpi in cairo-based bitmap devices.
for 2.8.1 patched. But that produces too small not too large text.)
Regards,
Lauri
2009/2/18 Uwe Ligges <lig...@statistik.tu-dortmund.de>:
Lauri Nikkinen wrote:
Hello,
How to produce .tif graphic in colors using bitmap function?
e.g this produces figure in grayscale
bitmap(file="volc.tif", type = "tifflzw", res = 300)
image(t(volcano)[ncol(volcano):1,])
dev.off()
Why not upgrade R and use the tiff() device?
Uwe Ligges
I'm using Windows XP and ghostscript.
R.Version()
$platform
[1] "i386-pc-mingw32"
$arch
[1] "i386"
$os
[1] "mingw32"
$system
[1] "i386, mingw32"
$status
[1] ""
$major
[1] "2"
$minor
[1] "7.1"
$year
[1] "2008"
$month
[1] "06"
$day
[1] "23"
$`svn rev`
[1] "45970"
$language
[1] "R"
$version.string
[1] "R version 2.7.1 (2008-06-23)"
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Brian D. Ripley, rip...@stats.ox.ac.uk
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