Re: [R-sig-Geo] LL to UTM

2007-03-06 Thread antonio rodriguez
Gabor Grothendieck wrote: I am currently using this web page to convert LL to UTM (and UTM to LL). http://home.hiwaay.net/~taylorc/toolbox/geography/geoutm.html All my points are in zone 18. How would I accomplish the same thing using R? Thanks. Within GRASS there is an Addon: utm_wh

Re: [R-sig-Geo] how to read CRU climatic data files with R?

2006-06-13 Thread antonio rodriguez
Nicolas Degallier wrote: > Hi R helpers, > > I have downloaded time series of climatic data from CRU (Climatic > Research Unit) which are ASCII files with a specific format for the > data. > The format is described here: > > http://www.cru.uea.ac.uk/~timm/grid/CRU_TS_2_1.html > > under the l

Re: [R-sig-Geo] Adding maps to a filled contour plot

2005-10-02 Thread antonio rodriguez
Hi, Some time ago, Roger Peng posted this solution, which I found very useful: junk.mat <- matrix(rnorm(1600), 16, 100) contour.mat <- ifelse(junk.mat < 2, 0, junk.mat) filled.contour(junk.mat, color = terrain.colors, plot.axes = contour(contour.mat, levels = 1, drawlabels = FALSE, axes = FALSE