Set all positive values to zero

Ben-Jei Tsuang btsuang at YAHOO.COM
Fri Jun 12 22:52:45 EDT 2009


With the OpenGrADS extension:

There is a new function "if"

define newvar=if(var, >=,0,0,var)

Please take a look at

http://opengrads.org/doc/udxt/libbjt/



Ben


2009/6/13 P.R. <romero619 at hotmail.com>:
> Hi, I need a quick solution to set all grid values that are "greater or
> equal zero" to "zero".
> Any help would be appreciated.
> Thanks,
> P.R.
>



--
Ben-Jei Tsuang
Dept. of Environmental Engineering
National Chung-Hsing University



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