ui/src/main/java/ucar/nc2/ui/geoloc/Rubberband.java
public Rectangle lastBounds() {
    return new Rectangle(
                lastPt.x < anchorPt.x ? lastPt.x : anchorPt.x,
                lastPt.y < anchorPt.y ? lastPt.y : anchorPt.y,
                Math.abs(lastPt.x - anchorPt.x),
                Math.abs(lastPt.y - anchorPt.y));
  }
public Rectangle lastBounds() {
    return new Rectangle(
                lastPt.x < anchorPt.x ? lastPt.x : anchorPt.x,
                lastPt.y < anchorPt.y ? lastPt.y : anchorPt.y,
                Math.abs(lastPt.x - anchorPt.x),
                Math.abs(lastPt.y - anchorPt.y));
  }
Get previous Bounds