Picture Preview Generation for Interactive Educational Resources

Table 3

Interactive elements’ information.

Interactive categories		Name attributes of interactive elements	Coordinate extraction	Interactive modes
Free point		Point	arg attribute: (x, y)	Drag the point once
Point on element	PointOnCircle	PointOn PointPar PropElement	Through dependency analysis
	PointOnLine
	PointOnVLine	PointOnVLine PointPar
Variable		Variable	Position attribute: (left, top)	Click the button at specific moments
Animation		AnimationVar
Action		ButtonFun