[R-sig-Geo] Minor tick marks in spplot

[Edzer Pebesma]

On 03/27/2011 07:28 PM, Sébastien Durand wrote:
> Hello to all,
> 
> I wish to add minor tick mark to the already existing major tick marks on the following plot 
> 
> I wish those minor tick marks to be shorter and grey
> 
> Here is an example...
> 
> data(meuse.grid)
> m = SpatialPixelsDataFrame(points = meuse.grid[c("x", "y")], data = meuse.grid)
> 
> spplot(m, zcol="dist", contour=TRUE, pretty=TRUE, 
>  		scales=  list(draw = TRUE, alternating=c(1,0), tck=c(1,0)))
> 
> 
> # I have tried the yscale.components.subticks and xscale.components.subticks but I am not able to make it work when I used the spplot...
> 
> Any hints...

Try to get it working with levelplot, as in

library(lattice)
levelplot(dist~x+y, meuse.grid, asp = "iso", contour=TRUE, pretty=TRUE,
scales=  list(draw = TRUE, alternating=c(1,0), tck=c(1,0)))

and look in the docs of ?xyplot (which it seems you did).

If you don't get it to work there, it's beyond my control /
capabilities, and you could try the package maintainer,
deepayan.sarkar at gmail.com or r-help.

> 
> Thanks a lot.
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-- 
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251
8333081, Fax: +49 251 8339763  http://ifgi.uni-muenster.de
http://www.52north.org/geostatistics      e.pebesma at wwu.de