ui/src/main/java/ucar/nc2/ui/geoloc/NavigatedPanel.java
public void setLatLonCenterMapArea( double lat, double lon) {
    ProjectionPoint center = project.latLonToProj(lat, lon);

    ProjectionRect ma = getMapArea();
    ma.setX( center.getX() - ma.getWidth()/2);
    ma.setY( center.getY() - ma.getHeight()/2);

    setMapArea(ma);
  }
public void setLatLonCenterMapArea( double lat, double lon) {
    ProjectionPoint center = project.latLonToProj(lat, lon);

    ProjectionRect ma = getMapArea();
    ma.setX( center.getX() - ma.getWidth()/2);
    ma.setY( center.getY() - ma.getHeight()/2);

    setMapArea(ma);
  }
set the center point of the MapArea