measureSubluxationIndex3D.m
d32ee1bcc847aterrier-plotUpdate

measureSubluxationIndex3D.m
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			function measureSubluxationIndex3D(obj)
			% - GL: (Glenoid Line) Line that joins the most anterior glenoid rim point and
			% the most posterior glenoid rim point.
			% - HHv: (Humeral Head vector) Vector from the glenoid center to the humeral
			% head’s fitted sphere center.
			% - HHp: (Humeral Head projection) Projection of HHv on GL.
			% - HHr: (Humeral Head radius) Humeral head’s fitted sphere radius.
			%
			% The 3D humeral subluxation index is the ratio of \|\|HHp\|\| + \|\|HHr\|\| over 2*\|\|HHr\|\|.
			GL = obj.shoulder.scapula.glenoid.posteroAnteriorLine;
			HHv = Vector(obj.shoulder.scapula.glenoid.center, obj.center);
			HHp = GL.project(HHv);
			HHr = obj.radius;
			obj.subluxationIndex3D = (HHp.norm + HHr) / (2*HHr);
			end