GRIB2 - DATA TEMPLATE 7.41

Grid Point Data - Portable Network Graphics (PNG) format

Created 01/19/2012

Note:  For most templates, details of the packing process are described in Regulation 92.9.4.


Octet No. Contents
6-nn PNG endcoded image


Note:

If octet 20 of data representation template 5.41 specifies the data are packed into either 1, 2, 4, 8, or 16 bits, then encode the "image" as a grayscale image. If octet 20 specifies 24 bits, encode the "image" as a Red-Green-Blue (RGB) colour image with 8-bit depth for each colour component, and finally if octet 20 is 32, encode the "image" as an RGB colour image with an alpha sample using 8-bit depth for each of the four components.


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