about polar graph?

[Yang Kun <yangk@xxxxxxxxxxxxxx>]

Dear Ferreters,

Just a simple question. But I didn't know how to modify
the script.
 I want to plot a polar graph for some variables in North 
Pole & South Pole. Below is my script. and it works well.
Question is: i just want to see 50s:90s & 50n:90n in polar
graphs, but not the whole earth. I tried as below, but it
doesn't works. What should i do? I think it is only a  minor
problem, but i can not figure it out.

 Thanks!
   --Kun Yang
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set data test_new
cancel region/x
set region/l=1
set window 1
set region/y=50n:90n
set mode metafile sicthe1.plt
set wind/aspect=1:ax/size=.5
go polar_2d fill/pal=no_red sicthe[y=50n:90n,l=1:12@ave] 100
go polar_fland 60 gray
go polar_land " " 1.0       ! limit lines to a radius of 1
go polar_grid_fancy
cancle mode metafile
set window 2
set region/y=50s:90s
set mode metafile sicthe2.plt
set wind/aspect=1:ax/size=.5
go polar_2d fill/pal=no_red sicthe[y=50s:90s,l=1:12@ave] 100,,,,,-1
go polar_fland 60 gray
go polar_land green,1.0
go polar_grid_fancy
cancle mode metafile


=====================================================
Kun Yang,   Researching Assistant
Dept. of Oceanography, Texas A&M Uni. College Station
Mailing Addr:     806F, Oran Circle, Bryan, TX, 77801
Tel:  (409)-268-0963 (h), (409)-845-3238 (o)
Email addr:    yangk@ocean.tamu.edu; yangk@netease.com
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