wgrib2: -Sec4
Introduction:
The -Sec4 option prints a short summary of Section 4, the
product definition section.
$ wgrib2 -Sec4 png.grb2
1:4:Sec4 len=36 #vert coordinate=0 Product Defn Template=4.2 size=36 free=0
len=36 Section 4 is 36 octets/bytes in length
#vert coordinate=0 no vertical coordinates have been defined
Product Defn Template=4.2 using Product Definition Template 4.2 (Code Table 4.0)
size=36 Size of PDT excluding vertical coordinates
free=0 Should be zero, len-size-8*#vert_coordinates
Usage
-Sec4
See also:
-pdt,
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