[R-sig-Geo] plotting STSDF objects

[Edzer Pebesma]

On 05/05/2014 01:20 AM, Katharine Walter wrote:
> Hi,
> 
> I am using the spacetime package to create plots of disease spread across a
> landscape.  I have a sparse dataframe and am having trouble using the
> stplot function to show all of the spatial polygons in a sparse dataframe
> (ie I would like to plot all the spatial polygons, even those representing
> townships with no case reports during the time period).
> 
> I have used the following code:
> stplot(stsdf[,,"lyme_cases"], t, col.regions = brewer.pal(9,
> "YlOrRd"),cuts=9)
> 
> I was wondering if this was the correct syntax for stplot for an STSDF
> object and also what exactly the "signature" means in the Methods section
> of stplot:
> signature(x = "STSDF"): plots object of class STSDF

In the "Methods" section of the man page for stplot, the prhrase

     stplot ‘signature(x = "STSDF")’: plots object of class STSDF

refers to, "a call to method stplot where object x is of class STSDF"

> 
> Thank you very much for your help!
> Best,
> 
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> 
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-- 
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Heisenbergstraße 2, 48149 Münster, Germany. Phone: +49 251
83 33081 http://ifgi.uni-muenster.de GPG key ID 0xAC227795