QUERY_SRF is a method of obtaining information about an SRF image file without having to read the file. See QUERY_* Routines for more information.
Result = QUERY_SRF (Filename [, Info] )
This routine returns a long with the value of 1 (one) if the query was successful (and the file type was correct) or 0 (zero) on failure.
A scalar string containing the pathname of the SRF file to query.
Returns an anonymous structure containing information about the image in the file. The Info.TYPE field will return the value ‘SRF’.
Note: See General Query * Routine Info Structures for detailed structure information.
QUERY_* Routines, READ_SRF, WRITE_SRF