001/*
002 * This file is part of McIDAS-V
003 *
004 * Copyright 2007-2015
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 ucar.unidata.data.DataSelection;
032import java.util.HashMap;
033import java.util.Hashtable;
034import java.util.Iterator;
035import java.util.Set;
036
037
038public class MultiDimensionSubset extends DataSelection {
039
040  public static final MultiDimensionSubset key = new MultiDimensionSubset();
041
042  private double[][] coords = null;
043  private String[] keys = null;
044
045  public MultiDimensionSubset() {
046    super();
047  }
048
049  public MultiDimensionSubset(HashMap subset) {
050    super();
051    coords = new double[subset.size()][];
052    keys = new String[subset.size()];
053    Iterator iter = subset.keySet().iterator();
054    int cnt =0;
055    while (iter.hasNext()) {
056       String key = (String) iter.next();
057       keys[cnt] = key;
058       coords[cnt] = (double[]) subset.get(key);
059       cnt++;
060    }
061  }
062
063  public MultiDimensionSubset(double[][] coords, String[] keys) {
064    super();
065    /**
066    int num = keys.length;
067    this.keys = new String[num];
068    this.coords = new double[num][];
069    for (int i=0; i<num; i++) {
070      this.keys[i] = keys[i];
071      this.coords[i] = new double[coords[i].length];
072      for (int j=0; j<coords[i].length; j++) {
073        this.coords[i][j] = coords[i][j];
074      }
075    }
076    **/
077    this.coords = coords;
078    this.keys = keys;
079  }
080
081  public HashMap getSubset() {
082    HashMap hmap = new HashMap();
083    for (int k=0; k<keys.length; k++) {
084      double[] new_coords = new double[coords[k].length];
085      System.arraycopy(coords[k],0,new_coords,0,new_coords.length);
086      hmap.put(keys[k], new_coords);
087    }
088    return hmap;
089  }
090
091  public double[][] getCoords() {
092    return coords;
093  }
094
095  public void setCoords(double[][] coords) {
096    this.coords = coords;
097  }
098
099  public String[] getKeys() {
100    return keys;
101  }
102
103  public void setKeys(String[] keys) {
104    this.keys = keys;
105  }
106
107  public MultiDimensionSubset clone() {
108    MultiDimensionSubset subset = new MultiDimensionSubset(coords, keys);
109    Hashtable props = new Hashtable();
110    props.put(MultiDimensionSubset.key, subset);
111    subset.setProperties(props);
112    return subset;
113  }
114
115  public String toString() {
116          StringBuffer sb = new StringBuffer();
117          if (keys != null) {
118                  for (int i = 0; i < keys.length; i++) {
119                          sb.append(new String(keys[i] + ": " + coords[i][0] + ", " + coords[i][1] + ", " + coords[i][2] + "\n"));
120                  }
121          }
122          return sb.toString();
123  }
124
125  /***
126  public boolean equals(Object obj) {
127    if (!(obj instanceof MultiDimensionSubset)) return false;
128    if ((keys == null) || (coords == null)) return false;
129
130    String[] keys_in = ((MultiDimensionSubset)obj).getKeys();
131    if ((keys_in == null) || (keys_in.length != keys.length)) return false;
132
133    for (int k=0; k<keys.length; k++) {
134      if (keys_in[k] != keys[k]) return false;
135    } 
136
137    double[][] coords_in = (double[][]) ((MultiDimensionSubset)obj).getCoords();
138    if ((coords_in == null) || (coords.length != coords_in.length)) return false;
139    for (int k=0; k<coords.length; k++) {
140      for (int t=0; t<coords[k].length; t++) {
141        if (coords[k][t] != coords_in[k][t]) return false;
142      }
143    }
144    return true;
145  }
146  ***/
147}