Dear all,
When a conventional kriging and then a contour plot is limited with a polygon (as
possible with krige.conv and contour.kriging), the
polygon border is displayed in black by default.
> kc<-krige.conv(CZdata,loc=pred.grid,borders=czpoly,krige=krige.control(obj.m=ls))
> plot(CZcoord,xlab="x",ylab="y",type="n",asp=1)
> contour(kc,loc=pred.grid,add=T)
I would like to be capable to get the contour lines only (limited by the polygon, but
without the polygon border displayed). I tried
to pass the argument border=NULL, unsuccessfully:
> contour(kc,loc=pred.grid,add=T,border=NULL)
Error in contour(as.double(x), as.double(y), z, as.double(levels), labels, :
dimension mismatch
In addition: Warning message:
Replacement length not a multiple of the elements to replace in matrix(...)
>
Any hint?
Thanks in advance,
Patrick Giraudoux
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