[R-sig-Geo] plot() and Jpeg() increase font size and resolution

Edzer J. Pebesma e.pebesma at geo.uu.nl
Mon Nov 27 08:33:54 CET 2006


Alexander.Herr at csiro.au wrote:
> Thanks to Edzer and Roger,
> I can now plot with increased font sizes. However, jpeg still does not
> reproduce these, nor does it show up in high quality. What I would like
> to do is produce some highresolution jpegs.
>   
Please specify the commands that you used, preferrably such that we can 
reproduce them, and specify which worked and which didn't the way you 
expected. Also please give the output of sessionInfo(), and tell us the 
platform you work on. Have you tried producing png, did that work?
--
Edzer
> Any help would be appreciated
>
> Thanx
> Herry
>
>
> R2.4 on Mandriva 10.2 linux.
>
> Dr Alexander Herr
> Spatial and statistical analyst
> CSIRO, Sustainable Ecosystems
> Davies Laboratory,
> University Drive, Douglas, QLD 4814 
> Private Mail Bag, Aitkenvale, QLD 4814
>  
> Phone/www 
> (07) 4753 8510; 4753 8650(fax)
> Home: http://herry.ausbats.org.au
> Webadmin ABS: http://ausbats.org.au
> Sustainable Ecosystems: http://www.cse.csiro.au/
> --------------------------------------------
>
>
> -----Original Message-----
> From: Edzer J. Pebesma [mailto:e.pebesma at geo.uu.nl] 
> Sent: Friday, November 24, 2006 5:37 PM
> To: Herr, Alexander Herr - Herry (CSE, Townsville)
> Cc: r-help at stat.math.ethz.ch; r-sig-geo at stat.math.ethz.ch
> Subject: Re: [R-sig-Geo] plot() and Jpeg() increase font size and
> resolution
>
> plotting variograms in gstat is done through xyplot in lattice; you'll
> find where it gets it's defaults by
>
> library(lattice)
> trellis.par.get()
> ?trellis.par.set
> --
> Edzer
>
> Alexander.Herr at csiro.au wrote:
>   
>>  
>> Dear list,
>>
>> I am having troubles increasing the fontize when plotting a 
>> variogram{gstat} and its model (vgm) with plot and using jpeg(). Also 
>> the resolution in the jpeg call does not work. I am using R2.4 on 
>> Mandriva 10.2 linux.
>>
>> I can change fontsize with cex.axis in a normal plot, so I presume it 
>> has to do with plotting the variogram model. Any help on how to 
>> increase the font size and resolution would be appreciated?
>>
>> R-calls:
>> v1<-variogram(log(z)~x+y, loc=coordinates(shp1),data=shp1) 
>> m1<-vgm(0.0175, "Gau", 200000,0.052)
>>
>> jpeg(file="LOTPLAN_variogram_mod.jpg", bg="white", res=300, 
>> pointsize=16, width=1200, height=1200, quality=100)
>>
>>  plot(v1,plot.number=F, model=m1, ylim=c(0.04,0.08), col="black",
>> cex.axis=1.5)
>>
>> dev.off()
>>
>> Thanks Herry
>>
>> Dr Alexander Herr
>> Spatial and statistical analyst
>> CSIRO, Sustainable Ecosystems
>> Davies Laboratory,
>> University Drive, Douglas, QLD 4814
>> Private Mail Bag, Aitkenvale, QLD 4814
>>  
>> Phone/www
>> (07) 4753 8510; 4753 8650(fax)
>> Home: http://herry.ausbats.org.au
>> Webadmin ABS: http://ausbats.org.au
>> Sustainable Ecosystems: http://www.cse.csiro.au/
>>
>> _______________________________________________
>> R-sig-Geo mailing list
>> R-sig-Geo at stat.math.ethz.ch
>> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
>>
>>     
>
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