[R] bitmap .tif in colors

[Uwe Ligges]

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?
> 
> Regards,
> Lauri


Try a somewhat lower resolution or reduce the margins:
par(mar=c(....))

Uwe Ligges



> 2009/2/18 Uwe Ligges <ligges at 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)"
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.