001/*
002 * This file is part of McIDAS-V
003 *
004 * Copyright 2007-2016
005 * Space Science and Engineering Center (SSEC)
006 * University of Wisconsin - Madison
007 * 1225 W. Dayton Street, Madison, WI 53706, USA
008 * https://www.ssec.wisc.edu/mcidas
009 * 
010 * All Rights Reserved
011 * 
012 * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
013 * some McIDAS-V source code is based on IDV and VisAD source code.  
014 * 
015 * McIDAS-V is free software; you can redistribute it and/or modify
016 * it under the terms of the GNU Lesser Public License as published by
017 * the Free Software Foundation; either version 3 of the License, or
018 * (at your option) any later version.
019 * 
020 * McIDAS-V is distributed in the hope that it will be useful,
021 * but WITHOUT ANY WARRANTY; without even the implied warranty of
022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
023 * GNU Lesser Public License for more details.
024 * 
025 * You should have received a copy of the GNU Lesser Public License
026 * along with this program.  If not, see http://www.gnu.org/licenses.
027 */
028
029package edu.wisc.ssec.mcidasv.data.adde;
030
031
032import java.util.ArrayList;
033import java.util.Hashtable;
034import java.util.List;
035
036import ucar.unidata.data.AddeUtil;
037import ucar.unidata.data.DataChoice;
038import ucar.unidata.data.DataSelection;
039import ucar.unidata.data.DataSourceDescriptor;
040import ucar.unidata.data.point.PointObFactory;
041import ucar.unidata.util.LogUtil;
042import ucar.unidata.util.Misc;
043import ucar.unidata.util.Trace;
044import ucar.unidata.util.TwoFacedObject;
045
046import visad.*;
047import visad.data.mcidas.PointDataAdapter;
048import ucar.unidata.geoloc.LatLonPoint;
049import ucar.unidata.geoloc.LatLonRect;
050import edu.wisc.ssec.mcidas.adde.AddePointURL;
051import ucar.visad.quantities.CommonUnits;
052
053
054/**
055 * A data source for ADDE point data
056 *
057 * @author Don Murray
058 * @version $Revision$ $Date$
059 */
060public class AddePointDataSource extends ucar.unidata.data.point.AddePointDataSource {
061
062    /** list of levels names */
063    private static String[] levelNames = {
064        "SFC", "1000", "925", "850", "700", "500", "400", "300", "250", "200",
065        "150", "100", "70", "50", "30", "20", "10"
066    };
067
068    /** list of level values */
069    private static int[] levelValues = {
070        1001, 1000, 925, 850, 700, 500, 400, 300, 250, 200,
071        150, 100, 70, 50, 30, 20, 10
072    };
073
074    /**
075     * Default constructor.
076     *
077     * @throws VisADException
078     */
079    public AddePointDataSource() throws VisADException {
080        super();
081    }
082
083    /**
084     * Create a new {@code AddePointDataSource} from the parameters
085     * supplied.
086     *
087     * @param descriptor {@code DataSourceDescriptor} for this.
088     * @param source Source URL.
089     * @param properties {@code Hashtable} of properties for the source.
090     *
091     * @throws VisADException  couldn't create the VisAD data
092     */
093    public AddePointDataSource(DataSourceDescriptor descriptor,
094                               String source, Hashtable properties)
095            throws VisADException {
096        super(descriptor, source, properties);
097    }
098
099    /**
100     * Get the list of all levels available from this DataSource
101     *
102     *
103     * @param dataChoice The data choice we are getting levels for
104     * @return  List of all available levels
105     */
106    public List getAllLevels(DataChoice dataChoice, DataSelection dataSelection) {
107        return getLevels();
108    }
109
110    /**
111     * Get the levels property
112     * @return levels;
113     */
114    private List getLevels() {
115        List levels = new ArrayList();
116        try {
117                for (int i = 0; i < levelValues.length; i++) {
118                        levels.add(new TwoFacedObject(levelNames[i],
119                                        new Real(RealType.getRealType("Pressure",
120                                                        CommonUnits.MILLIBAR), levelValues[i],
121                                                        CommonUnits.MILLIBAR)));
122                }
123        } catch (VisADException ve) {}
124        return levels;
125    }
126    
127}
128