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Harris Geospatial / Docs Center / IDL Reference / I/O - EOS / EOS_GD_NENTRIES

EOS_GD_NENTRIES

EOS_GD_NENTRIES

This function returns the number of entries and descriptive string buffer size for a specified entity.

Examples


In this example, we determine the number of data field entries:

ndims = EOS_GD_NENTRIES(gridID, 4)

Syntax


Result = EOS_GD_NENTRIES( gridID, entrycode [, LENGTH=variable] )

Return Value


Number of entries or FAIL(–1) which could signify an improper grid id or entry code.

Arguments


gridID

Grid id (long) returned by EOS_GD_CREATE or EOS_GD_ATTACH.

entrycode

Entrycode (long). Allowable values are:

  • 0 = Dimensions
  • 4 = Datafields

Keywords


LENGTH

Set this keyword to a named variable that will contain the length of the string returned by the corresponding inquiry routine as a long integer.

Version History


5.2

Introduced



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