Hello,
You could try the overlaying mechanism of latticeExtra with
alpha.regions as an argument for spplot:
library(latticeExtra)
layer1-spplot(raster1,values,
at=brks1,col.regions=pal1,colorkey=FALSE)
layer2-spplot(raster2, values, at=brks2,col.regions=pal2,
On 11/29/2011 01:54 AM, Chris Fowler wrote:
I am still having trouble with some raster overlays.
My trouble now is a result of my not really understanding how layers
and sp.layout work in the spplot function
I go through a whole mess of steps to get two rasters of identical
extent and
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Subject: [R-sig-Geo] Overlaying rasters in spplot
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CAFK3DV-tBPhzr+049R8w=bzmc5RojSCST4NXqKEXbU8=3go...@mail.gmail.com
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I am still having trouble with some raster overlays.
My trouble now is a result of my not really
...@imail.org
801.408.8111
-Original Message-
From: r-sig-geo-boun...@r-project.org [mailto:r-sig-geo-bounces@r-
project.org] On Behalf Of Chris Fowler
Sent: Monday, November 28, 2011 5:55 PM
To: r-sig-geo@r-project.org
Subject: [R-sig-Geo] Overlaying rasters in spplot
I am still
I am still having trouble with some raster overlays.
My trouble now is a result of my not really understanding how layers
and sp.layout work in the spplot function
I go through a whole mess of steps to get two rasters of identical
extent and dimension (One is a google map tile, the other my own
