Application: gvSIG desktop

enhanced_rad=Realces Radiom?tricos

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.raster.beans.previewbase;

import org.gvsig.raster.dataset.Params;

/**

 * Estructura para los par?metros de PreviewFiltering. Contiene el nombre del 

 * filtro, el par?metro y la clase de este.

 * 

 */

public class ParamStruct {

	String filterName = null;

	Params filterParam = null;

	Class filterClass = null;

	/**

	 * @return the filterName

	 */

	public String getFilterName() {

		return filterName;

	}

	/**

	 * @param filterName the filterName to set

	 */

	public void setFilterName(String filterName) {

		this.filterName = filterName;

	}

	/**

	 * @return the filterParam

	 */

	public Params getFilterParam() {

		return filterParam;

	}

	/**

	 * @param filterParam the filterParam to set

	 */

	public void setFilterParam(Params filterParam) {

		this.filterParam = filterParam;

	}

	/**

	 * @return the filterClass

	 */

	public Class getFilterClass() {

		return filterClass;

	}

	/**

	 * @param filterClass the filterClass to set

	 */

	public void setFilterClass(Class filterClass) {

		this.filterClass = filterClass;

	}

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.raster.beans.previewbase;

import java.util.ArrayList;

import org.gvsig.raster.dataset.Params;

import org.gvsig.raster.grid.filter.FilterTypeException;

import org.gvsig.raster.grid.filter.IRasterFilterListManager;

import org.gvsig.raster.grid.filter.RasterFilter;

import org.gvsig.raster.grid.filter.RasterFilterList;

import org.gvsig.raster.grid.filter.RasterFilterListManager;

import org.gvsig.raster.hierarchy.IRasterRendering;

import org.gvsig.raster.util.RasterToolsUtil;

import com.iver.andami.PluginServices;

/**

 * Procesado de la imagen para la previsualizaci?n. Para poder usar esta clase despu?s de instanciarla

 * habr? que asignarle un valor a showFiltersSelected aunque por defecto est? a true por lo que se

 * visualizaran los cambios sin problemas, asigna una lista de filtros inicial (que ya tenga el raster

 * aplicado) con setFilterStatus y asignar los filtros que queramos aplicar con addNewParam (una llamada

 * por cada filtro).

 * 

 * 19/02/2008

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class PreviewFiltering implements IPreviewRenderProcess {

	private boolean          showFiltersSelected     = true;

	private ArrayList        paramsList              = new ArrayList();

	private ArrayList        filtersInit             = null;

	/**

	 * Flag de selecci?n de activaci?n y desactivaci?n

	 * @param show

	 */

	public void showFiltersSelected(boolean show) {

		this.showFiltersSelected = show;

	}

	/**

	 * Obtiene la lista de par?metros

	 * @return the paramsList

	 */

	public ArrayList getParamsList() {

		return paramsList;

	}

	/**

	 * Asigna la lista de par?metros

	 * @param params

	 */

	public void setParamsList(ArrayList params) {

		this.paramsList = params;

	}

	/**

	 * Asigna el arrayList de filtros inicial

	 * @param params

	 */

	public void setFilterStatus(ArrayList filtersInit) {

		this.filtersInit = filtersInit;

	}

	/**

	 * Devuelve el arrayList de filtros inicial

	 * @return

	 */

	public ArrayList getFilterStatus() {

		return filtersInit;

	}

	/**

	 * A?adir un nuevo Params a la lista de Params que podemos manejar. Un Params

	 * equivale a un filtro cargado. El hecho de trabajar con Params y no con

	 * filtros, simplifica totalmente el panel. Sin tener que depender de los

	 * filtros nada m?s que para el momento de dibujado o guardado.

	 * @param name

	 * @param params

	 * @param classFilter

	 */

	public void addNewParam(String name, Params params, Class classFilter) {

		ParamStruct param = new ParamStruct();

		param.setFilterName(name);

		param.setFilterParam(params);

		param.setFilterClass(classFilter);

		paramsList.add(param);

	}

	/**

	 * Procesa la imagen con la lista de filtros si el flag showFilterSelected est? a true.

	 * Esta funci?n llama a addFilter por cada filtro a?adido pero es applyFilters la encargada

	 * de construir la lista. 

	 */

	public void process(IRasterRendering rendering) throws FilterTypeException {

		rendering.getRenderFilterList().clear();

		if (showFiltersSelected) {

			RasterFilterList filterList = rendering.getRenderFilterList();

			RasterFilterListManager stackManager = new RasterFilterListManager(filterList);

			ArrayList listFilterUsed = applyFilters(rendering);

			ArrayList exc = new ArrayList();

			for (int i = 0; i < listFilterUsed.size(); i++) {

				IRasterFilterListManager filterManager = stackManager.getManagerByFilterClass(((ParamStruct) listFilterUsed.get(i)).getFilterClass());

				try {

					filterManager.addFilter(((ParamStruct) listFilterUsed.get(i)).getFilterClass(), ((ParamStruct) listFilterUsed.get(i)).getFilterParam());

				} catch (FilterTypeException e) {

					exc.add(e);

				}

			}

			if(exc.size() != 0) {

				RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_adding_filters"), this, exc);

				exc.clear();

			}

		}

	}

	/**

	 * Aqui se seleccionan que filtros se van a aplicar y se devuelven en forma

	 * de ArrayList tanto para el dibujado como cuando aceptan o aplican el panel.

	 * @param rendering

	 * @return

	 */

	public ArrayList applyFilters(IRasterRendering rendering) {

		ArrayList listFilterUsed = new ArrayList();

		RasterFilterList filterList = new RasterFilterList();

		filterList.setEnv(rendering.getRenderFilterList().getEnv());

		RasterFilterListManager stackManager = new RasterFilterListManager(filterList);

		if(filtersInit == null)

			return listFilterUsed;

		// Conservamos filtros no visibles ya existentes

		for (int i = 0; i < filtersInit.size(); i++) {

			// Si es visible no hacemos nada

			if (((RasterFilter) filtersInit.get(i)).isVisible())

				continue;

			RasterFilter obj = null;

			for (int j = 0; j < stackManager.getRasterFilterList().size(); j++) {

				Class classFilter = (Class) stackManager.getRasterFilterList().get(j);

				try {

					obj = (RasterFilter) classFilter.newInstance();

					if (obj.getName().equals(((RasterFilter) filtersInit.get(i)).getName()))

						break;

				} catch (InstantiationException e) {

					RasterToolsUtil.messageBoxError("error_creando_filtro", this, e);

				} catch (IllegalAccessException e) {

					RasterToolsUtil.messageBoxError("error_creando_filtro", this, e);

				}

			}

			// Si no encontramos el filtro apropiado, nos olvidamos de el

			if (obj == null)

				continue;

			// Si no es visible tenemos que conservar el filtro

			try {

				Params params = (Params) ((RasterFilter) filtersInit.get(i)).getUIParams(((RasterFilter) filtersInit.get(i)).getName()).clone();

				// A?ado el parametro RenderBands a los parametros del filtro

				String rgb = rendering.getRenderBands()[0] + " " + rendering.getRenderBands()[1] + " " + rendering.getRenderBands()[2];

				params.setParam("RenderBands", rgb, 0, null);

				ParamStruct newParam = new ParamStruct();

				newParam.setFilterClass(obj.getClass());

				newParam.setFilterName(((RasterFilter) filtersInit.get(i)).getName());

				newParam.setFilterParam(params);

				listFilterUsed.add(newParam);

			} catch (CloneNotSupportedException e) {

			}

		}

		return listFilterUsed;

	}

}

import org.gvsig.raster.beans.previewbase.PreviewFiltering;

	private PreviewFiltering          filteredPreview     = null;

	 * @param enhancedPanel Panel base con la previsualizaci?n

	 * @param enhandedDialog Dialogo general

	 * @param filteredPreview Preprocesado para la preview

	public EnhancedListener(SelectorsPanel selector, 

							GraphicsPanel graphic, 

							PreviewBasePanel enhancedPanel, 

							EnhancedDialog enhancedDialog, 

							PreviewFiltering filteredPreview) {

		this.filteredPreview = filteredPreview;

import org.gvsig.raster.beans.previewbase.PreviewFiltering;

	private PreviewFiltering          filteredPreview     = null;

		filteredPreview = new PreviewFiltering();

		EnhancedListener listener = new EnhancedListener(controlsPanel, graphicsPanel, getPreviewBasePanel(), this, filteredPreview);

			canvas.setDrawableElement(gHist);

			canvas.setDrawableElement(dElement);

		return PluginServices.getText(this, "enhanced_rad");