[gradsusr] Trend MAP help!

Malcolm Tang malct32 at gmail.com
Tue Dec 15 22:55:50 EST 2015

Hi all,

I want to plot the trend map of precipitation in antarctica (75s-90s) from

I have done some searching and saw someone suggested using BinGuan's script
I have copied the script and the dependencies qdims.gsf.

So these are what I type in grads:

'set lon 0 360'
'set lat -90 -75'
'set mproj sps'
'set t 1'

'd prec'
'ltrend prec [fitted trend line [0.2[0.025]]]'

and there will be error coming out: DEFINE error: Name too long; missing '='

Anyone who has experience with ltrend.gs PLEASEEEEEEE help!!!

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