The GRIB_INDEX_GET_SIZE function returns the number of distinct values of the Key contained in Gindex. Key must belong to Gindex.
Examples
See GRIB_GET_VALUES for a general example using the GRIB routines.
Syntax
Result = GRIB_INDEX_GET_SIZE(Gindex, Key)
Return Value
Returns the number of distinct values in Gindex.
Arguments
Gindex
A GRIB index created from a file. The index must have been created with Key.
Key
A case-sensitive string containing the key name whose number of values is to be determined.
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