cdm/src/main/java/ucar/nc2/ft2/simpgeometry/CFLine.java
public double[] getBBLower() {
		double[] bbLower = new double[2];
		
		List<Point> ptList = this.getPoints();
		if(ptList.isEmpty()) return null;
		bbLower[0] = ptList.get(0).getY();
		bbLower[1] = ptList.get(0).getY();
		
		for(Point pt : this.getPoints()) {
			if(bbLower[0] > pt.getX()){
				bbLower[0] = pt.getX();
			}
			
			if(bbLower[1] > pt.getY()) {
				bbLower[1] = pt.getY();
			}
		}
		
		// Got minimum points, add some padding.
		bbLower[0] -= 10;
		bbLower[1] -= 10;
		
		return bbLower;
	}
public double[] getBBLower() {
		double[] bbLower = new double[2];
		
		List<Point> ptList = this.getPoints();
		if(ptList.isEmpty()) return null;
		bbLower[0] = ptList.get(0).getY();
		bbLower[1] = ptList.get(0).getY();
		
		for(Point pt : this.getPoints()) {
			if(bbLower[0] > pt.getX()){
				bbLower[0] = pt.getX();
			}
			
			if(bbLower[1] > pt.getY()) {
				bbLower[1] = pt.getY();
			}
		}
		
		// Got minimum points, add some padding.
		bbLower[0] -= 10;
		bbLower[1] -= 10;
		
		return bbLower;
	}
Gets the lower bounding box coordinate on the line.
@return double array = (x, y)