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

[Edzer J. Pebesma]

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/
>
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