Re: [R-sig-Geo] Image colours based on certain values

2007-09-03 Thread Roger Bivand
On Mon, 3 Sep 2007, Michal Gallay wrote: > Dear R Spatial Users, > > I have many DEM ASCII grid files and have produced maps(images) via > image(). The maps display e.g. slope angle, profile curvature for one area, > but calculated via different methods. > > I have searched R help, the R group, bu

[R-sig-Geo] Image colours based on certain values

2007-09-03 Thread Michal Gallay
Dear R Spatial Users, I have many DEM ASCII grid files and have produced maps(images) via image(). The maps display e.g. slope angle, profile curvature for one area, but calculated via different methods. I have searched R help, the R group, but I couldn't find out how to make R use certain col