Dear All,
I used 'Add polygon' in Google Earth to create a (single) closed polygon. It
was saved with extension kmz.
How can I open such a file in R, such that I can for instance do an overlay
with raster maps (SpatialGridDataFrame)?
Thanks, Gerard
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Dear list,
I hope someone can help me with the following.
I have an SRTM DEM of Turkey in the "ED 1950 Lambert Conformal Conic"
projection system.
However, I do not know how this is referred to in R. For example, I
might load the dem as:
DEM = readGDAL("srtm_5km_ascii.txt")
Next I will want
Dear list,
The stratified random sampling problem that I submitted a few days ago has
already been solved, with the help of several of you, notably Edzer Pebesma.
Edzer came up with the following solution:
library(sp)
library(rgdal)
nc1 <- readShapePoly(system.file("shapes/sids.shp",package="
Dear list,
I use readShapePoly to import a shape file. The file has multiple polygons
(actually, a 'polygon' may consist of multiple polygons that have the same ID).
I want to sample one location at random from each of the polygons. I tried to
do this with spsample but did not manage (the opti
