import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.wamblee.general.Pair;
+import org.wamblee.gps.coordinates.Point;
+import org.wamblee.gps.coordinates.ReferenceCoordinateSystem;
+import org.wamblee.gps.track.Track;
+import org.wamblee.gps.track.TrackPoint;
import org.wamblee.xml.DomUtils;
import org.xml.sax.SAXException;