gp.extra
Syntax
- a = gp.extra(gp<,index>)
- gp.extra(gp<,int>) = a
Get/set the extra variable at the index associated with the gridpoint. An extra variable can be of any valid FISH parameter type.
Returns: a - the FISH parameter stored at the index of the gridpoint extra array
Accepts: a - the FISH parameter to store at the index of the gridpoint extra array
Arguments: gp - a zone gridpoint pointer
index - the optional index of the extra variable to set or retrieve. Can be from 1 to 128. If not specified, 1 is assumed.
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