On Sat, 23 Jul 2011, Axel Urbiz wrote:
Hi,
I'd like to read a shapefile into a Map object. This is exactly what
read.shape{maptools} is suppoed to do, according to the documentation I
found in the link below.
Do search the archives properly; the second hit on googling
"list:R-sig-geo read.shape" is relevant. Summarize to the list when you've
resolved your problem. In addition, R is case specific, so an S3 Map
object is not an S3 map object.
Your previous mail refers to a function in the maps package, which does
things that may be supported elsewhere. The only function that seems to
convert SpatialPolygonsDataFrame to a list like the map class is
fortify.SpatialPolygonsDataFrame() in ggplot2, but I don't know if this
does what you need. To be honest, you havent't explained what you want to
do with smooth.map that you cannot do with sp objects - please do read the
available documentation before cross-posting (first post).
Roger
However, this doesn't seem to work
library(maptools)x <- read.shape(system.file("shapes/sids.shp",
package="maptools")[1])Error: could not find function "read.shape"
I haven't found this function on the documentation from the latest
release of the package, so I assume is no longer supported. Is there
an alternative way of doing this?
http://rss.acs.unt.edu/Rdoc/library/maptools/html/read.shape.html
Thanks,
Axel.
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