svn-gvsig-desktop / trunk / libraries / libCq CMS for java.old / src / org / cresques / io / raster / LinearEnhancementShortFilter.java @ 4578
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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.io.raster; |
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/**
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* Realzado Lineal (Amplitude Rescaling) para imagenes de 16 bits.
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* @author Luis W. Sevilla (sevilla_lui@gva.es)
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* @author Nacho Brodin (brodin_ign@gva.es)
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*/
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public class LinearEnhancementShortFilter extends LinearEnhancementFilter { |
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/**
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* Constructor
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*/
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public LinearEnhancementShortFilter() {
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super();
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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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this.stats = (RasterStats) params.get("stats"); |
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this.removeExtrema = ((Boolean) params.get("remove")).booleanValue(); |
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this.filename = (String) params.get("filename"); |
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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 x, int y) { |
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raster.getElemInt(x, y, px); |
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int bandsCnt = 3; // Esto hay que sacarlo de fuera, l?gicamente. |
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for (int i = 0; i < bandsCnt; i++) { |
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if (px[i] > maxBandValue[i]) {
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px[i] = maxBandValue[i]; |
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} else if (px[i] < minBandValue[i]) { |
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px[i] = minBandValue[i]; |
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} |
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px[i] = (((int) ((((double) px[i]) * scale[i]) + offset[i])) & |
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0xff);
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} |
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raster.setElemInt(x, y, px); |
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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.raster; |
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} else {
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return null; |
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} |
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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.IRasterFilter#post()
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*/
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public void post() { |
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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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} |