Get a list of coordinates out of a KML file
This function parses a KML file to get the content of <coordinates> tags and returns a list of matrices representing the longitude-latitute or if ignoreAltitude is FALSE the longitude-latitute-altitude coordinates of a KML geometry.
getKMLcoordinates(kmlfile, ignoreAltitude=FALSE)
kmlfile |
connection object or a character string of the KML file |
ignoreAltitude |
if set to |
coords is a list of matrices representing the longitude-latitute or if ignoreAltitude is FALSE the longitude-latitute-altitude coordinates
Hans-J. Bibiko
data(wrld_simpl)
## creates a KML file containing the polygons of South Africa (plus hole)
sw <- slot(wrld_simpl[wrld_simpl$NAME=="South Africa",], "polygons")[[1]]
tf <- tempfile()
kmlPolygon(sw, kmlfile=tf, name="South Africa", col="#df0000aa", lwd=5,
border=4, kmlname="R Test",
kmldescription="This is <b>only</b> a <a href='http://www.r-project.org'>R</a> test.")
zz <- getKMLcoordinates(tf, ignoreAltitude=TRUE)
str(zz)
zz <- getKMLcoordinates(system.file("shapes/Testing.kml", package="maptools"))
str(zz)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.