Description Methods Note Author(s) See Also Examples
When the feature IDs need to be changed in SpatialLines* or SpatialPolygons* objects, these methods may be used. The new IDs should be a character vector of unique IDs of the correct length.
replace IDs in a SpatialLines object
replace IDs in a SpatialLinesDataFrame object
replace IDs in a SpatialPolygons object
replace IDs in a SpatialPolygonsDataFrame object
It is usually sensible to keep a copy of the original feature IDs in the object, but this should be done by the user.
Roger Bivand
spCbind-methods
, spRbind-methods
1 2 3 4 5 6 7 8 9 | ## Not run:
require(maptools)
xx <- readShapePoly(system.file("shapes/sids.shp", package="maptools")[1],
IDvar="FIPSNO", proj4string=CRS("+proj=longlat +ellps=clrk66"))
row.names(as(xx, "data.frame"))
xx1 <- spChFIDs(xx, as.character(xx$CNTY_ID))
row.names(as(xx1, "data.frame"))
## End(Not run)
|
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