[R-sig-Geo] Re: SpatialCls

Edzer J. Pebesma e.pebesma at geog.uu.nl
Tue Jan 13 15:35:19 CET 2004


Roger Bivand wrote:

>Dear Edzer,
>
>Happy New Year!
>
>I'm just muddling, but would it be OK to try to put my proj4R CRS class in 
>SpatialCls for proj4string? This may mean setting proj4string as NA until 
>the CRS has been set, and as.projected as NULL until proj4string is 
>identified as latlong or !latlong? How should we handle this with regard 
>to commiting to sourceforge, is this a situation where I need to do this 
>locally, and send you a tarball to avoid introducing changes you'd prefer 
>not to have?
>  
>
Please go ahead and commit; that's the idea of you being a developer.
The idea of using cvs is that you can go back to previous versions.

>A little question - does coordinates() preserve sdf row names as a way of 
>keeping point IDs stuck to both objects?
>
Yes; it returns a data frame with only the (2 or 3) coordinate columns 
selected.
--
Edzer




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