svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / raster / filter / mask / MaskFilter.java @ 19894
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.raster.filter.mask; |
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import java.util.ArrayList; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.dataset.IBuffer; |
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import org.gvsig.raster.dataset.MultiRasterDataset; |
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import org.gvsig.raster.dataset.Params; |
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import org.gvsig.raster.grid.GridExtent; |
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import org.gvsig.raster.grid.filter.RasterFilter; |
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/**
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* Filtro que aplica una m?scara con la lista de ROIS. Los p?xeles dentro
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* de la ROI se ponen al valor de la imagen de origen. Los p?xeles fuera
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* de la ROI se ponen a NoData.
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*
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* 14/03/2008
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* @author Nacho Brodin nachobrodin@gmail.com
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*/
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public class MaskFilter extends RasterFilter { |
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public static String[] names = new String[] { "mask" }; |
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protected MaskUI maskUI = null; |
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protected ArrayList rois = null; |
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protected double nodata = -99999; |
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protected boolean inverse = false; |
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/* Variables que hacen falta en el process */
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protected GridExtent gridExtent = null; |
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protected GridExtent windowExtent = null; |
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protected MultiRasterDataset dataset = null; |
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protected IBuffer rasterAlpha = null; |
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/**
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* Constructor
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*/
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public MaskFilter() {
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super();
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setName(names[0]);
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getGroup()
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*/
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public String getGroup() { |
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return "mascaras"; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getNames()
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*/
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public String[] getNames() { |
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return names;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getResult(java.lang.String)
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*/
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public Object getResult(String name) { |
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if (!name.equals("raster")) |
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return null; |
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if (!exec)
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return (Object) this.raster; |
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return (Object) this.rasterResult; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#getUIParams(java.lang.String)
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*/
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public Params getUIParams(String nameFilter) { |
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Params params = new Params();
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params.setParam("Panel", getMaskUI(), -1, null); |
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params.setParam("FilterName", nameFilter, -1, null); |
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return params;
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} |
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/**
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* Obtiene el interfaz gr?fico para el filtro de m?scara.
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* @return MaskUI
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*/
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private MaskUI getMaskUI() {
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if (maskUI == null) { |
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maskUI = new MaskUI();
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FLyrRasterSE raster = (FLyrRasterSE) getEnv().get("initRaster");
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maskUI.setRois(rois); |
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maskUI.setLayer(raster); |
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} |
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return maskUI;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#pre()
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*/
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public void pre() { |
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exec = true;
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raster = rasterResult; |
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raster = (RasterBuffer) params.get("raster");
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Boolean inverseBoolean = (Boolean)params.get("inverse"); |
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if(inverseBoolean != null) |
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inverse = inverseBoolean.booleanValue(); |
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Double nodataDouble = (Double)params.get("nodata"); |
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if(nodataDouble != null) |
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nodata = nodataDouble.doubleValue(); |
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Boolean transpBoolean = (Boolean)params.get("transparency"); |
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rois = (ArrayList) params.get("rois"); |
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if (rois == null) |
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rois = new ArrayList(); |
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height = raster.getHeight(); |
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width = raster.getWidth(); |
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gridExtent = (GridExtent) environment.get("GridExtent");
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windowExtent = (GridExtent) environment.get("WindowExtent");
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dataset = (MultiRasterDataset) environment.get("MultiRasterDataset");
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rasterResult = RasterBuffer.getBuffer(raster.getDataType(), raster.getWidth(), raster.getHeight(), raster.getBandCount(), true);
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if(transpBoolean.booleanValue() && raster.getDataType() == IBuffer.TYPE_BYTE)
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rasterAlpha = RasterBuffer.getBuffer(IBuffer.TYPE_BYTE, raster.getWidth(), raster.getHeight(), 1, true); |
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} |
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/**
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* Obtiene el extent m?ximo de todas las ROIs
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* @param rois Lista de ROIs para calcular la extensi?n m?xima que ocupan
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* @return Entent m?ximo
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*/
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/*private Extent getMaximunExtent(ArrayList rois) {
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double minx = 0, miny = 0, maxx = 0, maxy = 0;
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for (int i = 0; i < rois.size(); i++) {
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Extent ext = ((ROI) rois.get(i)).getGridExtent();
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if(i == 0) {
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minx = ext.minX();
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miny = ext.minY();
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maxx = ext.maxX();
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maxy = ext.maxY();
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} else {
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if(ext.minX() < minx)
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minx = ext.minX();
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if(ext.minY() < miny)
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miny = ext.minY();
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if(ext.maxX() < maxx)
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maxx = ext.maxX();
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if(ext.maxY() < maxy)
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maxy = ext.maxY();
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}
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}
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return new Extent(minx, miny, maxx, maxy);
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}*/
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#process(int, int)
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*/
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public void process(int x, int y) { |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.RasterFilter#post()
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*/
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public void post() { |
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if(rasterAlpha != null) |
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mergeBufferTransparency(rasterAlpha); |
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raster = null;
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} |
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public int getInRasterDataType() {return 0;} |
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public int getOutRasterDataType() {return 0;} |
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} |