COMMENT ⊗   VALID 00002 PAGES 
RECORD PAGE   DESCRIPTION
 00001 00001
 00002 00002	VECTOR
 00004 ENDMK
⊗;
VECTOR
0	CW	CCW		ring of vectors of a polygon.
1	DAD	SON		polgon,,(arc-vector)
2	type	reloc		20,,33_0213
3	row	col		locus of point on the polygon.
4	-	ncnt		length of vector.
5	cntrst  -
6	NTIME	PTIME		Time line links.

POLYGON
0	CW	CCW		Ring of polygons of a level.
1	DAD	SON		level,,vector
2	type	reloc		10,,33_3233
3	ENDO	EXO		Tree of polygon nesting.
4	ALT	ncnt		Shape,,number of vectors.
5	NGON	PGON		Tree of polygon nesting.
6	NTIME	PTIME		Time line links.

SHAPE
0	CW	CCW		(ring of fusion shapes)
1	perm	area		perimeter length,,area of mass.
2	type	reloc
3	ROW	COL		locus of polygon center of mass.
4	   cospa		cosine of angle of principle axis.
5	NGON	PGON		the polygon(s) of this shape.
6	mmx     mmz		moments of inertia about x and z.

LEVEL	
0	CW	CCW		level ring of an image
1	DAD	SON		image,,polygon
2	type	relloc
3	
4	ALT	ncnt		(fusion shapes),,threshold cut.
5
6

IMAGE
0	CW	CCW		image ring of the film.
1	DAD	SON		film,,level
2	type	relloc
3	row	col		z-ray's raster piercing locus.
4	cx	kx		camera lens center world locus.
5	cy	ky		camera's z axis unit vector.
6	cz	kz

FILM
0
1
2	type	relloc
3
4
5