About "as.CRSPts" function of proj4R

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About "as.CRSPts" function of proj4R

hi_ono2001
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"

 Could you give any suggestion?


 Regards.



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About "as.CRSPts" function of proj4R

Roger Bivand
Administrator
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.
>
> _______________________________________________
> R-sig-Geo mailing list
> R-sig-Geo at stat.math.ethz.ch
> https://www.stat.math.ethz.ch/mailman/listinfo/r-sig-geo
>

--
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



Roger Bivand
Department of Economics
Norwegian School of Economics
Helleveien 30
N-5045 Bergen, Norway