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.