[R] do not plot polygon boundaries with spplot {sp}

roger koenker rkoenker at uiuc.edu
Tue Oct 9 00:23:48 CEST 2007


Try the argument border  -- if it gets passed to polygon then

	 border: the color to draw the border.  The default, 'NULL', means to
           use 'par("fg")'.  Use 'border = NA' to omit borders.

If not, then you may need to work around a bit.


url:    www.econ.uiuc.edu/~roger            Roger Koenker
email    rkoenker at uiuc.edu            Department of Economics
vox:     217-333-4558                University of Illinois
fax:       217-244-6678                Champaign, IL 61820


On Oct 8, 2007, at 4:17 PM, Dylan Beaudette wrote:

> Hi,
>
> Is there a simple way to suppress the plotting of polygon  
> boundaries with
> spplot() ?
>
> # simple list of 12 colors
> cols <- brewer.pal(12, "Paired")
>
> # plot pile of polygons, with 12 classes:
> spplot(x, zcol='class2', col.regions=cols, scales=list(draw=T),  
> xlab="Easting
> (m)", ylab="Northing (m)")
>
> ... seems to work well. However the polygon boundaries are colored  
> black. If
> possible I would like the boundaries to not be drawn at all.
>
> any tips?
>
> cheers,
>
> Dylan
>
> -- 
> Dylan Beaudette
> Soil Resource Laboratory
> http://casoilresource.lawr.ucdavis.edu/
> University of California at Davis
> 530.754.7341
>
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