Dear all, Does anyone know a way to overlay a contourplot and a levelplot of different datasets, both datasets with the same dimension?
Let's say I have 2 10x10 grids, like those below: library(lattice) x<-1:10 y<-1:10 grid1<-expand.grid(x=x,y=y) grid2<-expand.grid(x=x,y=y) z1<-grid1$x^2 + grid1$y^2 z2<-2*grid2$x^2 - grid2$y^2 grid1$z<-z1 grid2$z<-z2 I would like to plot z1 and z2 in the same plot: z1 as a contourline and z2 as a levelplot. I tried to do this in two ways, without success: plot.new(); contourplot(z ~ x*y,grid1) par(new=T) levelplot(z ~ x*y,grid2) and levelplot(z ~ x*y,grid1,region=FALSE,contour=TRUE) par(new=T) levelplot(z ~ x*y,grid2,region=TRUE,contour=FALSE) Any clue? Thank you very much for your time and any help! Charles -- Um axé! :) -- Charles Novaes de Santana, PhD http://www.imedea.uib-csic.es/~charles [[alternative HTML version deleted]]
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