Format of APL*PLUS/PC shape model:
Offset	Size	Description	)
 00h	BYTE	type
		01h character (2-byte dimension sizes)
		02h integer (2-byte dimension sizes)
		08h floating point (2-byte dimension sizes)
		11h character (4-byte dimension sizes)
		12h integer (4-byte dimension sizes)
		18h floating point (4-byte dimension sizes)
 01h	BYTE	rank
 02h	(D)WORD first dimension of shape
 N	(D)WORD second dimension of shape
	...