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svn-gvsig-desktop / trunk / libraries / libRaster / src / org / gvsig / raster / grid / filter / bands / ColorTableFloatFilter.java @ 12066

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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) 2007 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.grid.filter.bands;
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import org.gvsig.raster.buffer.RasterBuffer;
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import org.gvsig.raster.dataset.IBuffer;
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/**
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 * Filtro de tabla de color para tipo de datos float.
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 * 
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 * @version 06/06/2007
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 * @author Nacho Brodin (nachobrodin@gmail.com)
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 *
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 */
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public class ColorTableFloatFilter extends ColorTableFilter {
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.raster.grid.filter.bands.ColorTableFilter#pre()
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         */
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        public void pre() {
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                super.pre();
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                rasterResult = RasterBuffer.getBuffer(IBuffer.TYPE_FLOAT, raster.getWidth(), raster.getHeight(), 4, true);
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        }
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.raster.grid.filter.bands.ColorTableFilter#process(int, int)
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         */
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        public void process(int col, int line) {
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                double value = (double)raster.getElemFloat(line, col, 0);
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                byte[] rgb = colorTable.getRGBByBand(value);
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                rasterResult.setElemByte(line, col, rgb);
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        }
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        /**
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         * Constructor.
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         */
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        public ColorTableFloatFilter() {
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                super();
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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#getInRasterDataType()
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         */
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        public int getInRasterDataType() {
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                return IBuffer.TYPE_FLOAT;
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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#getOutRasterDataType()
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         */
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        public int getOutRasterDataType() {
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                return IBuffer.TYPE_BYTE;
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        }
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}