composites

[Teddy Allen]

Dear GrADS users,
I would like to create a composite image of non-sequential time periods. In my dataset, I would like to composite t=400, t=424, t=532, and t=664 into one contour. I am competent in creating averages with sequential time steps, but am unable to create averages for times that are irregular in pattern.
I have searched the on-line archives, but did not locate an answer. Does any body have a suggestion? ( I am using GrADS version 1.8SL11 on a PC.)

Thank you,
Teddy Allen


To move quickly, go alone. To move far, go together. --- African Proverb


      ____________________________________________________________________________________
Be a better friend, newshound, and
know-it-all with Yahoo! Mobile.  Try it now.  http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ