spChFIDs-methods | R Documentation |
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
## Not run:
if(require(sf)) {
xx <- as(st_read(system.file("shape/nc.shp", package="sf")[1]), "Spatial")
row.names(xx) <- as.character(xx$"FIPSNO")
row.names(as(xx, "data.frame"))
xx1 <- spChFIDs(xx, as.character(xx$CNTY_ID))
row.names(as(xx1, "data.frame"))
}
## End(Not run)
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