what's wrong with my programs?
On Sun, 18 Jun 2006, zhijie zhang wrote:
Dear Rusers, I'm useing spatial package to get a rectangular, but the map seems to be wrong,and it maybe need to adjust some parameters that i don't know.
I'll get back to you tomorrow with specific suggestions. ppregion() is not a productive route to take for your problem. If it's OK with you, I'll reply to the list but including your off-list message to me explaining the interesting research context for your question. Roger
My pograms: library(spatial) ppregion(xl=-8.75,xu=133.45,yl=-15.15,yu=187.05) poly<-ppgetregion() polymap(poly) #the programs goes correctly, but the map seems not very good. Please paste the programs in your R, then you'll see the problems. BTW, i have a points dataset with no corresponding polygon, so i want to generate a polygon. About this operation, is there any good method to do? Thanks very much! any suggestions are great welcome! [[alternative HTML version deleted]]
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Roger Bivand Economic Geography Section, Department of Economics, Norwegian School of Economics and Business Administration, Helleveien 30, N-5045 Bergen, Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43 e-mail: Roger.Bivand at nhh.no