Le 28 sept. 06 à 15:06, Roger Bivand a écrit : >>> By the way, why the load()? >> >> The load is the system response when I click the R.data in the >> project directory > > I think that this is the problem, and that you have an alternative > local > copy of plot that disturbs the method dispatch. > > If you say ls(), do the names of any of the objects begin with plot?
> ls(pat="plot") [1] "BBplot" "Bplot" "draw.plotmath.cell" [4] "plot" "plotG" "plotM" [7] "plotx" "plotxx" plotx, plotxx, plotG and plotM are functions of mine. Is there a problem ? > >>> >>> Could you now try plot(xx, axes=TRUE), and then traceback() >>> immediately >>> after the error occurs? >> >>> plot(xx,axes=TRUE) >> Erreur dans plot.window(xlim, ylim, log, asp, ...) : >> 'xlim' nécessite des valeurs finies >> De plus : Warning messages: >> 1: aucun argument trouvé pour min ; Inf est renvoyé >> 2: aucun argument pour max ; -Inf est renvoyé >> 3: aucun argument trouvé pour min ; Inf est renvoyé >> 4: aucun argument pour max ; -Inf est renvoyé >>> traceback() >> 4: plot.window(...) >> 3: localWindow(xlim, ylim, log, asp, ...) >> 2: plot.default(xx, axes = TRUE) >> 1: plot(xx, axes = TRUE) >> > > This is where it is going wrong. If you do: > > is(xx) > is(xx) [1] "SpatialPolygonsDataFrame" "SpatialPolygons" [3] "Spatial" seems to be good > > you should see: > > [1] "SpatialPolygonsDataFrame" "SpatialPolygons" > [3] "Spatial" > > and method dispatch should choose plot.SpatialPolygons - can you try > > plot.SpatialPolygons(xx, axes=TRUE) > > directly. sp:::plot.SpatialPolygons(xx, axes=TRUE) give a map which seems to be good one !!! (but I had removed the plot* as below before this instruction) > I'm fairly certain that the method dispatch of plot is getting > interfered with, since the class of xx is OK. Jacques Vernin _______________________________________________ R-sig-Geo mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-geo
