[R-sig-Geo] reprojecting shape files (change coordinates)

[Tom Gottfried]

Have a look at the manual page for spTransform() in package rgdal.

HTH,
Tom

Am 21.06.2012 14:13, schrieb Marion Wenty:
> Dear all,
>
>
> I am trying to put two plots created with two different shape files
>
> on top of each other.
>
>
> They have got different coordinates and I would like to change them
> (reproject the shape files) in order for them to
>
>
> be exactly on top of each other.
>
>
> I know that there are packages but I didn't understand which commands
> I have to use.
>
>
>
> first shape file:
>
> Object of class SpatialPolygonsDataFrame
> Coordinates:
>         min      max
> x 112518.2 685444.5
> y 219903.9 514862.9
> Is projected: NA
> proj4string : [NA]
>
>
>
> second shape file:
>
> Object of class SpatialPolygonsDataFrame
> Coordinates:
>         min      max
> x 112521.4 685441.9
> y 275473.5 570451.2
> Is projected: NA
> proj4string : [NA]
>
>
> Does anyone know the answer to this?
>
>
> Thank you very much for your help in advance!
>
>
> Marion
>
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>
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