cdm/src/main/java/ucar/nc2/ft2/simpgeometry/CFLine.java
public void addPoint(double x, double y) {
		Point ptPrev = null;
		
		if(points.size() > 0) {
			ptPrev = points.get(points.size() - 1);
		}
		
		this.points.add(new CFPoint(x, y, ptPrev, null, null));
		
	}
public void addPoint(double x, double y) {
		Point ptPrev = null;
		
		if(points.size() > 0) {
			ptPrev = points.get(points.size() - 1);
		}
		
		this.points.add(new CFPoint(x, y, ptPrev, null, null));
		
	}
Add a point to the end of the line.