How to set spplot background?
On Fri, 18 Nov 2005, Francisco J. Zagmutt wrote:
RSiteSearch("background lattice")
Thanks Francisco. spplot calls trellis stuff, features of which are controlled by trellis.par.set() trellis.par.set(theme=col.whitebg()) # works trellis.par.set(background="white") # works col.whitebg() returns a list of light-backgrounded trellis settings that work together.
Francisco
From: David Forrest <drf5n at maplepark.com> Reply-To: David Forrest <drf5n at maplepark.com> To: r-sig-geo at stat.math.ethz.ch Subject: [R-sig-Geo] How to set spplot background? Date: Fri, 18 Nov 2005 15:50:49 -0600 (CST) Hi, The examples on http://r-spatial.sourceforge.net/gallery/ all have dark grey backgrounds on them. E.g. : library(sp) library(lattice) # required for trellis.par.set(): trellis.par.set(sp.theme()) # sets color ramp to bpy.colors() data(meuse) coordinates(meuse)=~x+y ## coloured points plot with legend in plotting area and scales: spplot(meuse, "zinc", do.log = TRUE, key.space=list(x=0.2,y=0.9,corner=c(0,1)), scales=list(draw=T)) gives http://r-spatial.sourceforge.net/gallery/fig/fig01.png What do I have to to do to make the plot have a lighter background? Also, the later examples on http://r-spatial.sourceforge.net/gallery/ seem to fail by not finding SpatialPolygons() Should those examples be revised? meuse.sr = SpatialPolygons(list(Polygons(list(Polygon(meuse.riv)),"meuse.riv"))) Dave -- Dr. David Forrest drf at vims.edu (804)684-7900w drf5n at maplepark.com (804)642-0662h http://maplepark.com/~drf5n/
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Dr. David Forrest
drf at vims.edu (804)684-7900w
drf5n at maplepark.com (804)642-0662h
http://maplepark.com/~drf5n/