Java tutorial
/*---------------- FILE HEADER KALYPSO ------------------------------------------ * * This file is part of kalypso. * Copyright (C) 2004 by: * * Technical University Hamburg-Harburg (TUHH) * Institute of River and coastal engineering * Denickestrae 22 * 21073 Hamburg, Germany * http://www.tuhh.de/wb * * and * * Bjoernsen Consulting Engineers (BCE) * Maria Trost 3 * 56070 Koblenz, Germany * http://www.bjoernsen.de * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Contact: * * E-Mail: * belger@bjoernsen.de * schlienger@bjoernsen.de * v.doemming@tuhh.de * * ---------------------------------------------------------------------------*/ package org.kalypso.kalypsomodel1d2d.conv.wind; import java.io.File; import java.net.URL; import java.util.logging.Logger; import org.apache.commons.io.FileUtils; import org.deegree.framework.util.Pair; import org.kalypso.grid.BinaryGeoGridWriter; import org.kalypso.grid.IGeoGrid; import org.kalypsodeegree_impl.gml.binding.commons.RectifiedGridDomain; /** * @author ig * performs the actual conversion of row data given as array of {@link Double} {@link Pair}s into {@link BinaryGeoGridPairsValues} object * and saving it to given directory. */ @SuppressWarnings("rawtypes") public class Primitives2GeoGridConverter { private Pair[][] m_arrayData = null; private RectifiedGridDomain m_gridDescriptor = null; private String m_strFileName = null; private URL m_urlGeoGridDataFile = null; private URL m_urlOutputGridDirectory = null; private final int m_intScale = 2; private static final Logger logger = Logger.getLogger(WindDataDWDVectorReader.class.getName()); public Primitives2GeoGridConverter(final RectifiedGridDomain gridDescriptor, final Pair[][] data, final URL urlOutputGridDirectory, final String fileName) { m_arrayData = data; m_gridDescriptor = gridDescriptor; m_strFileName = fileName; m_urlOutputGridDirectory = urlOutputGridDirectory; } public IGeoGrid createGeoGrid() throws Exception { final File lOutputDir = FileUtils.toFile(m_urlOutputGridDirectory); if (!lOutputDir.exists() || !lOutputDir.isDirectory()) { return null; } final File lNewFile = new File(lOutputDir, m_strFileName); if (lNewFile.exists()) { logger.warning("File with this name was found on disk: " + lNewFile.getAbsolutePath() //$NON-NLS-1$ + "; this file will be overwritten."); //$NON-NLS-1$ // return null; } lNewFile.createNewFile(); /* * use BinaryGeoGridWriter for better performance by writing the output files * RandomAccessFile lRandomAccessFile = new RandomAccessFile( lNewFile, "rw" ); * String lStrCoordinateSystem = KalypsoDeegreePlugin.getDefault().getCoordinateSystem(); * GM_Point lPointOrigin = m_gridDescriptor.getOrigin( lStrCoordinateSystem ); * Coordinate lCoordinateOrigin = new Coordinate( lPointOrigin.getX(), lPointOrigin.getY(), lPointOrigin.getZ() ); * Coordinate lCoordinateOffsetX = new Coordinate( m_gridDescriptor.getOffsetX().getGeoX(), m_gridDescriptor.getOffsetX().getGeoY() ); * Coordinate lCoordinateOffsetY = new Coordinate( m_gridDescriptor.getOffsetY().getGeoX(), m_gridDescriptor.getOffsetY().getGeoY() ); * BinaryGeoGridWrapperForPairsModel lGrid = new BinaryGeoGridWrapperForPairsModel( lRandomAccessFile, m_gridDescriptor.getNumColumns(), m_gridDescriptor.getNumRows(), m_intScale , * lCoordinateOrigin, lCoordinateOffsetX, lCoordinateOffsetY, lStrCoordinateSystem, true ); */ final int xSize = m_gridDescriptor.getNumColumns() * 2; final int ySize = m_gridDescriptor.getNumRows(); final BinaryGeoGridWriter lGrid = new BinaryGeoGridWriter(lNewFile.getAbsolutePath(), xSize, ySize, m_intScale); m_urlGeoGridDataFile = lNewFile.toURI().toURL(); for (int j = 0; j < ySize; ++j) { for (int i = 0; i < xSize; i += 2) { lGrid.setValue(i, j, (Double) m_arrayData[i / 2][j].first); lGrid.setValue(i + 1, j, (Double) m_arrayData[i / 2][j].second); } } lGrid.dispose(); return lGrid; } public final URL getUrlGeoGridDataFile() { return m_urlGeoGridDataFile; } }