code: /*******************************************************************************
  
   * Copyright (c) 2016 Attila Kovacs <attila[AT]sigmyne.com>.
   * All rights reserved. 
   * 
   * This file is part of crush.
   * 
   *     crush is free software: you can redistribute it and/or modify
   *     it under the terms of the GNU General Public License as published by
   *     the Free Software Foundation, either version 3 of the License, or
   *     (at your option) any later version.
   * 
   *     crush is distributed in the hope that it will be useful,
   *     but WITHOUT ANY WARRANTY; without even the implied warranty of
   *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *     GNU General Public License for more details.
   * 
   *     You should have received a copy of the GNU General Public License
   *     along with crush.  If not, see <http://www.gnu.org/licenses/>.
   * 
   * Contributors:
   *     Attila Kovacs <attila[AT]sigmyne.com> - initial API and implementation
   ******************************************************************************/
  
  package crush.instrument.hawcplus;
  
  import crush.Channel;
  import crush.instrument.ZeroMeanGains;
  
  public class HawcPolImbalance extends ZeroMeanGains {
  
      /**
       * 
       */
      private static final long serialVersionUID = 3346494258785117721L;
  
      @Override
      public double getRelativeGain(Channel c) throws Exception {
          return ((HawcPixel) c).pol == 0 ? 1.0 : -1.0;
      }
  
      @Override
      public void setRawGain(Channel c, double value) throws Exception {
          throw new UnsupportedOperationException("Cannot set polarization imbalance gains.");
      }
  }
  