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.hydra;
030
031import java.io.BufferedReader;
032import java.io.InputStream;
033import java.io.InputStreamReader;
034import java.util.Map;
035import java.util.StringTokenizer;
036
037import org.slf4j.Logger;
038import org.slf4j.LoggerFactory;
039
040import visad.RealType;
041
042public class CloudSat2D extends ProfileAlongTrack {
043
044          private static final Logger logger = LoggerFactory.getLogger(CloudSat2D.class);
045          
046      public CloudSat2D() {
047      }
048
049      public CloudSat2D(MultiDimensionReader reader, Map<String, Object> metadata) {
050        super(reader, metadata);
051      }
052
053      public float[] getVertBinAltitude() throws Exception {
054        String propertyFileName = null;
055        float[] altitude = new float[VertLen];
056        try {
057        propertyFileName = (String) metadata.get(ancillary_file_name);
058        InputStream ios = getClass().getResourceAsStream(propertyFileName);
059        BufferedReader ancillaryReader = new BufferedReader(new InputStreamReader(ios));
060
061        int line_cnt = 0;
062        while (true) {
063          String line = ancillaryReader.readLine();
064          if (line == null) break;
065          if (line.startsWith("!")) continue;
066          StringTokenizer strTok = new StringTokenizer(line);
067          String[] tokens = new String[strTok.countTokens()];
068          int tokCnt = 0;
069          while (strTok.hasMoreElements()) {
070            tokens[tokCnt++] = strTok.nextToken();
071          }
072          altitude[line_cnt] = (Float.valueOf(tokens[0])) * 1000f;
073          line_cnt++;
074        }
075        ios.close();
076        }
077        catch (Exception e) {
078          logger.error("fail on ancillary file read: " + propertyFileName);
079        }
080        return altitude;
081      }
082
083      public float[] getTrackTimes() throws Exception {
084        return null;
085      }
086
087      public RealType makeVertLocType() throws Exception {
088        return RealType.Altitude;
089      }
090
091      public RealType makeTrackTimeType() throws Exception {
092        return null;
093      }
094
095      public float[] getTrackLongitude() throws Exception {
096        int[] start = new int[] {0};
097        int[] count = new int[] {TrackLen};
098        int[] stride = new int[] {1};
099        float[] vals = reader.getFloatArray((String)metadata.get(longitude_name), start, count, stride);
100        return vals;
101      }
102
103      public float[] getTrackLatitude() throws Exception {
104        int[] start = new int[] {0};
105        int[] count = new int[] {TrackLen};
106        int[] stride = new int[] {1};
107        float[] vals = reader.getFloatArray((String)metadata.get(latitude_name), start, count, stride);
108        return vals;
109      }
110
111      public Map<String, double[]> getDefaultSubset() {
112        Map<String, double[]> subset = ProfileAlongTrack.getEmptySubset();
113
114        double[] coords = subset.get("TrackDim");
115        coords[0] = 1000.0;
116        coords[1] = (TrackLen - 1000.0) - 1;
117        coords[2] = TrackSelection.DEFAULT_TRACK_STRIDE;
118        subset.put("TrackDim", coords);
119
120        coords = subset.get("VertDim");
121        coords[0] = 10.0;
122        coords[1] = (VertLen) - 1;
123        coords[2] = TrackSelection.DEFAULT_VERTICAL_STRIDE;
124        subset.put("VertDim", coords);
125        return subset;
126      }
127
128}