Obstacle

Element	Attributes / Relationships	Name	Definition
`obstacle`	attributes	description	text string entered into Obstacle Builder
		geo_loc	the origin point; a list of three numbers.
		height	z-dimension
		length	y-dimension
		level	drawing level defined in Obstacle Builder
		name	unique string identifier for component (tag)
		width	x-dimension
		x, y, z	x-, y-, and z-values of the geo_loc; real numbers.