package graph.layout;
/**
 * Annotation information for the ForceLayout algorithm.
 *
 * @author Michael Shilman (michaels@eecs.berkeley.edu)
 * @version $Id$
 */

//!public; only let the force.* see it for now
class ForceAttr {
	/**
	 * If this is set, the node will be fixed in its
	 * current screen position.
	 */
    public boolean peg = false;

	/**
	 * Temporary variable for the X position of the node. 
	 */
    public double embX;
    
	/**
	 * Temporary variable for the Y position of the node. 
	 */
    public double embY;
    
	/**
	 * The mass of the node.  Currently this variable is
	 * not used, though the algorithm will eventually
	 * make heavier nodes move less.  This might eventually
	 * supercede the "peg" variable.
	 */
    public float mass = 1.0f;
}