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HOME > Monitoring_and_Data > Oceanic and Atmospheric Data > Reanalysis: Atmospheric Data > wgrib2-undefine_val

wgrib2: -undefine_val


The -undefine_val option sets the selected the decoded grid values to undefined. The grid points have to have a value that matches the prescribed value within 0.1 percent.


-undefine_val value

value: number


$ wgrib2 test.grb2 -undefine_val -999.9
All the grid points that have a value within 0.1 percent of -999.9 are set to undefined.

See also: -undefine, -ijundefine,

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Page last modified: May 15, 2005
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