[R] 3d contours

Spencer Graves spencer.graves at pdf.com
Thu Sep 25 14:56:57 CEST 2003

Have you cosidered (a) "contour" or (b) "image" possibly followed by 
"contour(..., add=TRUE)", possibly preceeded by "interp"?  If you have, 
then you must want to plot contours in three dimensions where a fourth 
is constant ... ? 

hope this helps.  spencer graves

Karim Elsawy wrote:

>I wonder if there is any R package or function which produces the
>coordinates of a 3d contours (isosurface) 
>from a 3d data array.
>any suggestions are very much appreciated
>best regards
>R-help at stat.math.ethz.ch mailing list

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