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root / trunk / libraries / libCq_CMS_praster / src / org / cresques / filter / bands / RemoveBandsShortFilter.java @ 8026

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/*
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 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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 *
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 * Copyright (C) 2004-5.
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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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 * For more information, contact:
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 *
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 * cresques@gmail.com
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 */
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package org.cresques.filter.bands;
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import java.awt.image.BufferedImage;
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import org.cresques.io.data.RasterBuf;
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/**
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 * Proceso del filtro de recorte de colas aplicado a im?genes 16 bits
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 * @author Nacho Brodin (brodin_ign@gva.es)
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 *
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 */
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public class RemoveBandsShortFilter extends RemoveBandsFilter {
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        private short[]                 px = new short[4];
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    public RemoveBandsShortFilter() {
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#pre()
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     */
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    public void pre() {
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        //Obtenci?n de par?metros
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        this.raster = (RasterBuf) params.get("raster");
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        height = raster.getHeight();
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        width = raster.getWidth();
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        super.pre();
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#process(int, int)
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     */
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    public void process(int col, int line) {
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             raster.getElemShort(line, col, px);
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        px[0] = (short)(px[0] & m1);
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        px[1] = (short)(px[1] & m2);
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        px[2] = (short)(px[2] & m3);
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        raster.setElemShort(line, col, px);
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#processSuperSampling(int, int)
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     */
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    public void processSuperSampling(int col, int line) {
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             raster.getElemShort(line, col, px);
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             px[0] = (short)(px[0] & m1);
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         px[1] = (short)(px[1] & m2);
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         px[2] = (short)(px[2] & m3);
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                  for(int j = col; j < raster.getWidth() && j < (col + stepX[contX + 1]); j++)
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                        for(int i = line; i < raster.getHeight() && i < (line + stepY[contY + 1]); i++)
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                                 raster.setElemShort(i, j, px);
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        }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#getInRasterDataType()
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     */
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    public int getInRasterDataType() {
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        return RasterBuf.TYPE_SHORT;
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#getOutRasterDataType()
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     */
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    public int getOutRasterDataType() {
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        return RasterBuf.TYPE_SHORT;
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.RasterFilter#processLine(int)
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     */
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    public void processLine(int y) {
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    }
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    /* (non-Javadoc)
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     * @see org.cresques.io.raster.IRasterFilter#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 (Object) this.image;
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        } else {
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            return null;
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        }
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    }
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    public void post() {
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        super.post();
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    }
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}