Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.gridStatistics.neighborhoodFragmentation;

import java.util.HashMap;

import es.unex.sextante.core.Sextante;

import es.unex.sextante.gridStatistics.neighborhood.patternBase.PatternBaseAlgorithm;

public class NeighborhoodFragmentationAlgorithm

         extends

            PatternBaseAlgorithm {

   @Override

   public void defineCharacteristics() {

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

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

      super.defineCharacteristics();

   }

   @Override

   protected double processValues() {

      int i;

      int iCells = 0;

      double dValue;

      Double value;

      final HashMap map = new HashMap();

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

         dValue = m_dValues[i];

         if (dValue != NO_DATA) {

            iCells++;

            value = new Double(dValue);

            if (!map.containsKey(value)) {

               map.put(value, "");

            }

         }

      }

      return (((double) map.size() - 1) / ((double) iCells + 1));

   }

}