[R-sig-Geo] kml and points

[Felipe Carrillo]

Can google earth be open from R along with the meuse.kml overlayed on top of it?
 
Felipe D. Carrillo
Supervisory Fishery Biologist
Department of the Interior
US Fish & Wildlife Service
California, USA



----- Original Message ----
> From: Roger Bivand <Roger.Bivand at nhh.no>
> To: Patrick Giraudoux <patrick.giraudoux at univ-fcomte.fr>
> Cc: r-sig-geo at stat.math.ethz.ch
> Sent: Sat, August 7, 2010 2:15:06 AM
> Subject: Re: [R-sig-Geo] kml and points
> 
> On Sat, 7 Aug 2010, Patrick Giraudoux wrote:
> 
> > Dear All,
> > 
> > I have just discovered  the fantastic possibilities given with kmlPolygon, 
>klmLine and kmlOverlay (package maptools) to project spatial objects into google 
>earth.
> > 
> > Does anyone knows if a function equivalent has been written to create a kml 
>file of "points" ? If not, is there a technical reason not to have done it or a 
>workaround which would make such function unecessary ?
> 
> Would the KML driver for writeOGR() in rgdal be enough? The variables (or a 
>subset of the variables) in the SpatialPointsDataFrame are displayed in the 
>bubble on clicking. You do not, I think, get a choice of point symbol.
> 
> td <- tempdir()
> data(meuse)
> coordinates(meuse) <- c("x", "y")
> proj4string(meuse) <- CRS("+init=epsg:28992")
> meuse_ll <- spTransform(meuse, CRS("+proj=longlat +datum=WGS84"))
> writeOGR(meuse_ll, paste(td, "meuse.kml", sep="/"), "zinc", "KML")
> file.show(paste(td, "meuse.kml", sep="/"))
> 
> See http://www.gdal.org/ogr/drv_kml.html, and note the section on encoding if 
>on Windows.
> 
> Roger
> 
> > 
> > Patrick
> > 
> > _______________________________________________
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> > R-sig-Geo at stat.math.ethz.ch
> > https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> > 
> 
> -- Roger Bivand
> Economic Geography Section, Department of Economics, Norwegian School of
> Economics and Business Administration, Helleveien 30, N-5045 Bergen,
> Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
> e-mail: Roger.Bivand at nhh.no
> 
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