[R-sig-Geo] About "as.CRSPts" function of proj4R

[Roger Bivand]

On Sun, 18 Apr 2004, Hisaji ONO wrote:

> Hello.
> 
>  I've tried to execute "example(as.CRSPts)" of proj4R package.
> 
>  But I've got following error message.
> 
> a.CRSP> data(state)
> 
> a.CRSP> state.xy <- xyPts(state.center$x, state.center$y)
> 
> a.CRSP> state.xy.cot <- state.xy[state.xy at x >= -121]
> 
> a.CRSP> state.xy.cot.ll27 <- as.CRSPts(state.xy.cot, CRS =
> CRS("+proj=latlong +datum=NAD27"))
> Error in asMethod(object, Class, value) : couldn't find function
> ".InhSlotNames"
> 

The source package check OK for me on R 1.9.0 as released (fresh install). 
Please try R CMD check proj4R in the directory above the untarred tar.gz 
file, and also say which R version you are using. I suspect that you've 
upgraded R, that something in the methods package has changed, and your 
pre-canned proj4R is now asking for a methods function that has gone away 
- is that possible?

Roger



>  Could you give any suggestion?
> 
> 
>  Regards.
> 
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> 

-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Breiviksveien 40, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 93 93
e-mail: Roger.Bivand at nhh.no