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 java.util.ArrayList;

import java.util.List;

import org.gvsig.fmap.dal.coverage.datastruct.Params;

import org.gvsig.fmap.dal.coverage.exception.FilterTypeException;

import org.gvsig.fmap.dal.coverage.grid.RasterFilter;

import org.gvsig.fmap.dal.coverage.grid.RasterFilterList;

import org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager;

import org.gvsig.fmap.dal.coverage.store.RasterDataStore;

import org.gvsig.fmap.dal.coverage.store.props.HistogramComputer;

import org.gvsig.raster.impl.grid.filter.RasterFilterListManagerImpl;

import org.gvsig.raster.impl.store.ParamImpl;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

/**

 * Gestion  de la lista de filtros para el filtro de tipo HistogramMatchig

 *

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

 * @version 27-05-2008

 *

 * */

public class HistogramMatchingListManager implements RasterFilterListManager {

        protected RasterFilterList                        filterList                                = null;

        /**

         * Default constructor. Sets the filter list.

         * @param filterList

         */

        public HistogramMatchingListManager(RasterFilterList filterList) {

                this.filterList = filterList;

        }

        // Constructor

        public HistogramMatchingListManager(RasterFilterListManagerImpl filterListManager){

                this.filterList = filterListManager.getFilterList();

        }

        /** Metodo de registro del filtro */

        public static void register() {

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint point = extensionPoints.get("RasterFilter");

                point.append("Matching", "", HistogramMatchingListManager.class);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#containsFilter(java.lang.String)

         */

        public Class<?> getFilterClassByID(String id) {

                if(id.compareTo("HistogramMatch") == 0)

                        return HistogramMatchingFilter.class;

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#addFilter(java.lang.Class, org.gvsig.fmap.dal.coverage.datastruct.Params)

         */

        public void addFilter(Class<?> classFilter, Params params) throws FilterTypeException {

                if (HistogramMatchingFilter.class.isAssignableFrom(classFilter)) {

                        String fileNameOutput = null;

                        RasterDataStore raster = null;

                        int numbands=0;

                        HistogramComputer histogramReference                = null;

                        for (int i = 0; i < params.getNumParams(); i++) {

                                if (((ParamImpl)params.getParam(i)).getId().equals("raster"))

                                        raster = (RasterDataStore)(((ParamImpl)params.getParam(i)).getDefaultValue());

                                if (((ParamImpl)params.getParam(i)).getId().equals("numbands"))

                                        numbands = ((Integer)(((ParamImpl)params.getParam(i)).getDefaultValue())).intValue();

                                if (((ParamImpl)params.getParam(i)).getId().equals("histogramReference"))

                                        histogramReference = (HistogramComputer)(((ParamImpl)params.getParam(i)).getDefaultValue());

                                if (((ParamImpl)params.getParam(i)).getId().equals("fileNameOutput"))

                                        fileNameOutput= new String((String) ((ParamImpl)params.getParam(i)).getDefaultValue());

                        }

                        addHistogramMatchingFilter(raster,numbands,histogramReference,fileNameOutput);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#addFilter(org.gvsig.fmap.dal.coverage.datastruct.Params)

         */

        public void addFilter(Params params) throws FilterTypeException {

                addFilter(HistogramMatchingFilter.class, params);

        }

        /**

         * A?ade un filtro HistogramMatching a la pila de filtros.

         * @param histogramReference Histograma de referencia al que ajustar el raster

         * @param fileNameOutput fichero de salida

         * @throws FilterTypeException

         */

        public void addHistogramMatchingFilter(RasterDataStore raster,int numbands,HistogramComputer histogramReference,String fileNameOutput) throws FilterTypeException {

                RasterFilter filter = new HistogramMatchingByteFilter();

                if (filter != null){

                        filter.addParam("raster", raster);

                        filter.addParam("histogramReference", histogramReference);

                        filter.addParam("numbands",new Integer(numbands));

                        filter.addParam("fileNameOutput",fileNameOutput);

                        filterList.add(filter);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#createFilter(org.gvsig.fmap.dal.coverage.datastruct.Params)

         */

        public RasterFilter createFilter(Params params) {

                if(        params.getParamById("ladoVentana") != null) {

                        RasterDataStore raster = ((RasterDataStore) params.getParamById("raster").getDefaultValue());

                        Integer numbands = ((Integer) params.getParamById("numbands").getDefaultValue());

                        HistogramComputer histogramReference = ((HistogramComputer) params.getParamById("histogramReference").getDefaultValue());

                        String fileNameOutput = ((String) params.getParamById("fileNameOutput").getDefaultValue());

                        RasterFilter filter = new HistogramMatchingByteFilter();

                        filter.addParam("raster", raster);

                        filter.addParam("histogramReference", histogramReference);

                        filter.addParam("numbands",new Integer(numbands));

                        filter.addParam("fileNameOutput",fileNameOutput);

                        return filter;

                }

                return null;

        }

        public int createFilterListFromStrings(List<String> filters, String fil, int filteri) {

                return filteri;

        }

        /**

         * Obtiene un Array de Strings a partir de una pila de filtros. Cada elemento

         * del array tendr? la forma de elemento=valor.

         */

        public List<String> getStringsFromFilterList(List<String> filterList, RasterFilter rf) {

                if (rf instanceof HistogramMatchingFilter) {

                        HistogramMatchingFilter histogramMatchingFilter = (HistogramMatchingFilter) rf;

                        filterList.add("filter.histogramMatch.active=true");

                        filterList.add("filter.histogramMatch.histogramReference="+histogramMatchingFilter.histogramReference);

                        filterList.add("filter.histogramMatch.numbands="+histogramMatchingFilter.numbands);

                        filterList.add("filter.histogramMatch.filenameOutput="+histogramMatchingFilter.fileNameOutput);

                        filterList.add("filter.histogramMatch.filterName=" + histogramMatchingFilter.getName());

                }

                return filterList;

        }

        public List<Class<?>> getRasterFilterList() {

                List<Class<?>> filters = new ArrayList<Class<?>>();

                filters.add(HistogramMatchingFilter.class);

                return filters;

        }

        public static RasterFilter createHistogramMatchFilter() {

                RasterFilter filter = new HistogramMatchingFilter();

                return filter;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#getFilterList()

         */

        public RasterFilterList getFilterList() {

                return filterList;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#setFilterList(org.gvsig.fmap.dal.coverage.grid.RasterFilterList)

         */

        public void setFilterList(RasterFilterList filterList) {

                this.filterList = filterList;

        }

}