[R-sig-Geo] drawing order in spplot, sp.layout

[Patrick Giraudoux]

Great ! I may be wrong but it may be that some years ago I have got such 
info already from you or Roger (before your book) but I could not 
retrieve it in any help list and archive. It may be have been e-mails 
off list...

Thanks anyway and merry Xmas ,

Patrick



Edzer Pebesma a écrit :
>
>
> Patrick Giraudoux wrote:
>> Dear listers,
>>
>> I am messing with spplot trying to get layers in the right order. 
>> Basically I want a SpatialGridDataframe overlapped with a 
>> SpatialPolygons object (actually a SpatialPolygonsDataFrame object). 
>> The the data attribute of the SpatialGridDataFrame has 13 columns (12 
>> months + the annual average of temperature). So, I expect 13 lattices 
>> panels corresponding to each.
>>
>> This gives:
>>
>> addCh<-list("sp.polygons",chinaUTM47,border="grey50")
> Patrick, I believe there's the option
>
> addCh<-list("sp.polygons",chinaUTM47,col="grey50", first = FALSE)
>
> that solves this. I can't find it really in the documentation, so 
> something's missing there for sure. Use col instead of border.
> -- 
> Edzer
>> spplot(ChinaTempTT,col.regions=mypal,sp.layout=addCh,as.table=T)
>>
>> Unfortunately, in each panel:
>>
>> - the polygons are drawn first and then are covered by the the grid 
>> (the reverse of what I want to). Thus polygons are invisible.
>> - the argument border="grey50" does not seems to used
>>
>> Any hint ?
>>
>> Patrick
>>
>> _______________________________________________
>> R-sig-Geo mailing list
>> R-sig-Geo at stat.math.ethz.ch
>> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
>