mxCoordinateAssignment.prototype.channelBuffer=4;mxCoordinateAssignment.prototype.jettyPositions=null;mxCoordinateAssignment.prototype.orientation=mxConstants.DIRECTION_NORTH;mxCoordinateAssignment.prototype.initialX=null;mxCoordinateAssignment.prototype.limitX=null;mxCoordinateAssignment.prototype.currentXDelta=null;mxCoordinateAssignment.prototype.widestRank=null;mxCoordinateAssignment.prototype.rankTopY=null;mxCoordinateAssignment.prototype.rankBottomY=null;