sds_id

IN:

Data set identifier returned by SDcreate or SDselect

	Purpose	Determines if a data set is a coordinate variable.
	Return value	Returns TRUE (or 1) if the data set is a coordinate variable, and FALSE (or 0) otherwise.
	Description	SDiscoordvar determines if the data set specified by the parameter sds_id is a coordinate variable.
		Coordinate variables are created to store metadata associated with dimensions. To ensure compatibility with netCDF, coordinate variables are implemented as data sets.

	FORTRAN	integer function sfiscvar(sds_id)
		integer sds_id