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Hi Trung, I apologize for not being able to get back to you yesterday... re: > I am wondering if Mcidas has any sub-routine/command that returns the > actual number of grids in a particular grid file? I found iggmax, but > this one returns the maximum number of grids that can be stored in a > grid file and it's not what I want. I don't believe so. The reason for this is that grids in a GRID file may be deleted/added at any time. In practice this means that one could have "holes" in the file where grids that once existed have been deleted. This would make the last grid in the GRID file misleading if one were trying to determine how many grids the file has. > Thank you. No worries. Again, I'm sorry for the delay in answering your question. Cheers, Tom **************************************************************************** Unidata User Support UCAR Unidata Program (303) 497-8642 P.O. Box 3000 address@hidden Boulder, CO 80307 ---------------------------------------------------------------------------- Unidata HomePage http://www.unidata.ucar.edu **************************************************************************** Ticket Details =================== Ticket ID: FPC-861362 Department: Support McIDAS Priority: Normal Status: Closed