ui/src/main/java/ucar/nc2/ui/geoloc/NavigatedPanel.java
public void setChangeable (boolean mode) {
    if (mode == changeable)
      return;
    changeable = mode;
    if (toolbar != null)
      toolbar.setEnabled(mode);
  }
public void setChangeable (boolean mode) {
    if (mode == changeable)
      return;
    changeable = mode;
    if (toolbar != null)
      toolbar.setEnabled(mode);
  }
sets whether the user can zoom/pan on this NavigatedPanel. Default = true.
@param mode  set to false if user can't zoom/pan