Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.gridStatistics.neighborhoodMedian;

import java.util.ArrayList;

import java.util.Arrays;

import es.unex.sextante.core.Sextante;

import es.unex.sextante.gridStatistics.base.NeighborhoodStatsBaseAlgorithm;

public class NeighborhoodMedianAlgorithm

         extends

            NeighborhoodStatsBaseAlgorithm {

   @Override

   public void defineCharacteristics() {

      setName(Sextante.getText("Median__neighbourhood"));

      setGroup(Sextante.getText("Focal_statistics"));

      super.defineCharacteristics();

   }

   @Override

   protected double processValues() {

      int i;

      double dValue;

      final ArrayList validCells = new ArrayList();

      for (i = 0; i < m_dValues.length; i++) {

         dValue = m_dValues[i];

         if (dValue != NO_DATA) {

            validCells.add(new Double(dValue));

         }

      }

      if (validCells.size() > 0) {

         final Object[] array = validCells.toArray();

         Arrays.sort(array);

         return (((Double) array[validCells.size() / 2]).doubleValue());

      }

      else {

         return NO_DATA;

      }

   }

}