root / trunk / libraries / libRaster / src / org / gvsig / raster / grid / filter / enhancement / ContrastDoubleFilter.java @ 12122
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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) 2004 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.enhancement; |
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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 contraste para tipo de datos double.
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*
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* @author Miguel ?ngel Querol Carratal? (miguelangel.querol@iver.es)
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*/
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public class ContrastDoubleFilter extends ContrastFilter { |
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/**
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* Constructor. Llama al constructor de la clase
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* padre.
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*/
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public ContrastDoubleFilter() {
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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.enhancement.ContrastFilter#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_DOUBLE, raster.getWidth(), raster.getHeight(), raster.getBandCount(), 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.enhancement.ContrastFilter#process(int, int)
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*/
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public void process(int col, int line) { |
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for (int i = 0; i < raster.getBandCount(); i++) |
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rasterResult.setElem(line, col, i, |
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(double) calcContrast((int) raster.getElemDouble(line, col, i) & 0xff) |
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); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.enhancement.ContrastFilter#getInRasterDataType()
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*/
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public int getInRasterDataType() { |
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return RasterBuffer.TYPE_DOUBLE;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.grid.filter.enhancement.ContrastFilter#getOutRasterDataType()
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*/
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public int getOutRasterDataType() { |
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return RasterBuffer.TYPE_DOUBLE;
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} |
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} |