Hello,
I created a 3d surface (persp) with some points overlaid on it, which is fine. Now I have a second set of z-values(x,y-values same as the first surface), which I would like to make visible on the same graph, however, not as a surface, but rather as coloured contour on the first surface, so that the resulting graph will consist of the original surface having the colour of the second set of z-values; I managed to create a coloured contour plot, whereby the the contours are based on the first set of z-values and the second set is a colour-coded overlay. If I could do this in 3-d I would be happy for any hint you could give me.
Thanks for any help
Peter
You can specify an argument "col" in persp(), see ?persp. However, the granularity is given by the facets produced by persp() - each facet has exactly one colour.
Uwe Ligges
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