[R-sig-Geo] How to export kde object in ArcGIS?

[Robert Hijmans]

Jean, 
I do not know anything about this object, so perhaps there are better
solutions. But a quick inspection with str(kd) suggest you can do the below:

library(raster)
library(rgdal)

r <- raster(kd$estimate, xmn=min(kd$eval.points[[1]]),
xmx=max(kd$eval.points[[1]]), ymn=min(kd$eval.points[[2]]),
ymx=max(kd$eval.points[[2]]))
plot(r)
contour(r, add=TRUE)

# you can save the raster values
r <- writeRaster(r, 'filename.tif') 

# and the contours, but to get the contours you want you may 
# need to scale the raster and add arguments to rasterToContour
x = rasterToContour(r)
writeOGR(x, ... 

Robert
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