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Query Routines

Routines exist to inquire the header information. These are GETLHEIGHT, GETLWIDTH, GETNLANES and GETTYPE. Given the bigimage descriptor, the first three return an integer, the last returns a 3-byte character string (four bytes for C, including the trailing NULL).

SuperCOSMOS development
Tue Aug 20 12:02:13 BST 1996