Method trySimplify

ij/src/main/java/ij/gui/ShapeRoi.java:519–522

Attempts to convert this ShapeRoi into a single non-composite Roi. For showing as a Roi, one should apply copyAttributes @return an ij.gui.Roi object, which is either the non-composite roi, or this ShapeRoi (if such a conversion is not possible) or null if this is an empty roi.

()

	 * this is an empty roi.
	 */
	public Roi trySimplify() {
		Roi roi = shapeToRoi();
		return (roi==null) ? this : roi;
	}
	
	/**Implements the rules of conversion from <code>java.awt.geom.GeneralPath</code> to <code>ij.gui.Roi</code>.
	 * @param nSegments The number of segments that compose the path (= number of vertices for a polygon)