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

Edzer J. Pebesma e.pebesma at geo.uu.nl
Tue Nov 28 09:24:39 CET 2006 

Herry, you need to set font size after opening a device; try after your 
example e.g.

png("out.png")
trellis.par.set("fontsize",fontsize)
plt1
dev.off()

Hth,
--
Edzer



Alexander.Herr at csiro.au wrote:
> Hi Edzer,
>
> png also does not increase the file size. 
>
> Following the commands. The data are located at
> ftp://ftp.csiro.au/Herry, file qldproperty.Rdata.
>
> XXXXXXXXXXXXXXXXXXXX
> trellis.par.get("fontsize")->fontsize
>  fontsize$default<-16
>  fontsize$points<-16
>  fontsize$text<-18
>   trellis.par.set("fontsize",fontsize)
> trellis.par.get("fontsize")
>  
>  
>  
> plot(v1,plot.number=F, model=m2, ylim=c(4,9))
>
> plt1<-plot(v1,plot.number=F, model=m1, ylim=c(4,9), col="black",
> pch="+", scales=list(cex=1.5,)) 
>
> jpeg(file="LOTPLAN_variogram_mod.png", bg="white", res=300,
> pointsize=16, width=800, height=800)
>  plt1
> dev.off()
> XXXXXXXXXXXXXXXXXXXXXXXXXXX
>
>
> SessionInfo:
> R version 2.4.0 (2006-10-03)
> i686-pc-linux-gnu
>
> locale:
> LC_CTYPE=en_US;LC_NUMERIC=C;LC_TIME=en_US;LC_COLLATE=en_US;LC_MONETARY=e
> n_US;LC_MESSAGES=en_US;LC_PAPER=en_US;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHON
> E=C;LC_MEASUREMENT=en_US;LC_IDENTIFICATION=C
>
> attached base packages:
> [1] "methods"   "stats"     "graphics"  "grDevices" "utils"
> "datasets"
> [7] "base"
>
> other attached packages:
>         geoR        gstat     MCMCpack         MASS         coda
> lattice
>     "1.6-11"     "0.9-34"      "0.7-4"     "7.2-29"     "0.10-7"
> "0.14-13"
>         mcmc RColorBrewer         maps     maptools           sp
> foreign
>      "0.5-1"      "0.2-3"     "2.0-32"      "0.6-3"      "0.9-4"
> "0.8-17"
>      spatial
>     "7.2-29"
>
>
> 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/
> --------------------------------------------
>
>
> -----Original Message-----
> From: Edzer J. Pebesma [mailto:e.pebesma at geo.uu.nl] 
> Sent: Monday, November 27, 2006 5:34 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
>
> 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
>>>
>>>     
>>>       
>> _______________________________________________
>> R-sig-Geo mailing list
>> R-sig-Geo at stat.math.ethz.ch
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>>   
>>

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