1    /*
2    Copyright 2000 by Ralph Hartley
3    This software is licenced under the terms of the
4    Gnu Public Licence
5    */
6    
7    /**Exception thrown if a conversion in needed but can't be done.
8     *Convertions of Physical units <-> Pixels are only possible if
9     *calibration data is available.
10    */
11   public class CalibrationException extends Exception {
12     public CalibrationException(String str) {
13       super(str);
14     }
15   }
16