* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altosuilib_12;
+package org.altusmetrum.altosuilib_14;
import java.io.*;
import java.util.*;
import java.awt.*;
import javax.swing.*;
-import org.altusmetrum.altoslib_12.*;
+import org.altusmetrum.altoslib_14.*;
import org.jfree.ui.*;
import org.jfree.chart.*;
this.series = null;
this.axis_index = 0;
- enable.register_shape_listener(this);
+ if (enable != null)
+ enable.register_shape_listener(this);
axes_added = new Hashtable<Integer,Boolean>();