Actually nothing! JPEG packing is not supported for GRIB edition 1 but rather than fail, the library leaves the message as is. |
Actually nothing! JPEG packing is not supported for GRIB edition 1 but rather than fail, the library leaves the message as is. This was designed for cases where a file (or set of files) containing a mix of grib1 and grib2 messages is being processed to use JPEG encoding. We convert the grib2 messages and leave the grib1 messages alone.
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