ScatterChart Reference Line

fixed range

ReferenceLineType	Data
line 1
	min Y(or min X, depends on the line is horizontal or vertical)
	max Y( or max X, depends on the line is horizontal or vertial)
	number for line 1
polyline:
	numbers for points
	min X
	max X
	min Y
	max Y
	x offset
	y offset
	x for point 1
	y for point 1
	x for point 2
	y for point 2
	...
	x for point n
	y for point n
line 2:
	min Y(or min X, depends on the line is horizontal or vertical)
	max Y( or max X, depends on the line is horizontal or vertial)
	number for line 1
	number for line 2
...
line 6:
	min Y(or min X, depends on the line is horizontal or vertical)
	max Y( or max X, depends on the line is horizontal or vertial)
	number for line 1
	number for line 2
	number for line 3
	number for line 4
	number for line 5
	number for line 6