[R-sig-Geo] R-sig-Geo Digest, Vol 61, Issue 3

[Zhijie Zhang]

Wouter,
  Superimposing polygons on a grid could be easily done in ARCGIS. 
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Sent: Thursday, September 04, 2008 6:00 PM
Subject: R-sig-Geo Digest, Vol 61, Issue 3


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>   1. superimpose polygons on a grid (Wouter Buytaert)
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> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 3 Sep 2008 17:41:52 -0400 (CLT)
> From: Wouter Buytaert <wouter at paramo.be>
> Subject: [R-sig-Geo] superimpose polygons on a grid
> To: r-sig-geo at stat.math.ethz.ch
> Message-ID: <alpine.OSX.1.10.0809031717370.345 at carihuayrazo.local>
> Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII
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> 
> Hi all,
> 
> is there a way to plot polygons over a grid? It seems that:
> 
>> spplot(myspgrid, sp.layout(list("sp.polygon",mysppolygon)))
> 
> always plots the grid on top of the polygon (as in 
> <http://r-spatial.sourceforge.net/gallery/#fig07.R> and contrary to 
> lines and points).
> 
> Is there any way to change this (for instance to plot a lake area on top 
> of a raster DEM)?
> 
> cheers
> Wouter
> 
> 
> 
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> End of R-sig-Geo Digest, Vol 61, Issue 3
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