[gradsusr] display irrigular interval contour

[Chinh ta huu]

Dear all users

I'd like to display irrigular interval contour
Eg.
from 580 to 584 value set cint 5
but from 584 to 588 value set cint 1

Anyone know about that could you comment me please

Thank you

-- 
(Mr.) Ta Huu Chinh
National, Weather Forecasting Center, Ha Noi, Viet Nam.
No: 4th, Dang Thai Than, Hoan Kiem, Ha Noi
Tel: 84-903-298-856
Office: 84-43-824-4917
Email: chinhth2010 at gmail.com
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