src/main/java/sc/fiji/pQCT/selectroi/LiveWirePlugin.java
protected void init() {
		polygons = new ArrayList<>();
		polygon = new Polygon();

		over = imp.getOverlay();
		if (imp.getOverlay() == null) {
			over = new Overlay();
			imp.setOverlay(over);
		}
	}
/**
	 * Used to reset the polygon, and polygon list used to keep current polygon,
	 * and the history of the current polygon
	 */
Used to reset the polygon, and polygon list used to keep current polygon,
and the history of the current polygon
Used to reset the polygon and polygon list used to keep current polygon and the history of the current polygon
protected void init() {
		polygons = new ArrayList<>();
		polygon = new Polygon();
		over = imp.getOverlay();
		if (imp.getOverlay() == null) {
			over = new Overlay();
			imp.setOverlay(over);
		}
	}
protected void init ( ) { polygons = new ArrayList < > ( ) ; polygon = new Polygon ( ) ; over = imp . getOverlay ( ) ; if ( imp . getOverlay ( ) == null ) { over = new Overlay ( ) ; imp . setOverlay ( over ) ; } }
Used to reset the polygon, and polygon list used to keep current polygon,
 and the history of the current polygon
Used to reset the polygon and polygon list used to keep current polygon and the history of the current polygon