Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program 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 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.raster.impl.grid.filter.histogramMatching;

import org.gvsig.fmap.dal.coverage.dataset.Buffer;

/**

 * Filtro para la aplicaci?n de HistogramMatching a un raster de tipo byte.

 *

 * @author aMu?oz (alejandro.munoz@uclm.es)

 * @version 27-5-2008

 *

 * */

public class HistogramMatchingByteFilter extends  HistogramMatchingFilter {

        /**

         * Filtro de Histogram Matching par imagenes de tipo byte

         * */

        public HistogramMatchingByteFilter() {

                super();

        }

        /**

         * Ejecucion del filtro tipo byte

         * */

        public void process(int x, int y) {

                int index = 0;

                for(int band = 0; band < rasterResult.getBandCount(); band++) {

                        int data= (int) (raster.getElemByte(y,x,band));

                        index = data & 0xff;

                        rasterResult.setElem(y,x,band,(byte)tableAsign[band][index]);

                }

        }

        /**

         * @return  tipo de dato del buffer de entrada

         * */

        public int getInRasterDataType() {

                return Buffer.TYPE_BYTE;

        }

        /**

         * @return tipo de dato del buffer de salida

         * */

        public int getOutRasterDataType() {

                return Buffer.TYPE_BYTE;

        }

        /**

         * @return  buffer resultante tras aplicar el filtro

         * */

        public Object getResult(String name) {

                if (name.equals("raster"))

                        return rasterResult;

                return null;

        }

} // Fin de la clase