001    /*
002     * This file is part of McIDAS-V
003     *
004     * Copyright 2007-2013
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    
029    package edu.wisc.ssec.mcidasv.data.hydra;
030    
031    import java.rmi.RemoteException;
032    import java.util.HashMap;
033    
034    import visad.FlatField;
035    import visad.FunctionType;
036    import visad.Gridded3DSet;
037    import visad.RealTupleType;
038    import visad.RealType;
039    import visad.SetType;
040    import visad.VisADException;
041    import visad.Set;
042    
043    public class TrackAdapter extends MultiDimensionAdapter {
044       RealTupleType domainType;
045       ArrayAdapter rngAdapter;
046       TrackDomain trackDomain;
047    
048       int listIndex = 0;
049    
050       String adapterName = null;
051    
052       public TrackAdapter() {
053       }
054    
055       public TrackAdapter(TrackDomain trackDomain, ArrayAdapter rangeAdapter) throws VisADException {
056         this.trackDomain = trackDomain;
057         this.rngAdapter = rangeAdapter;
058       }
059    
060       public Set makeDomain(Object subset) throws Exception {
061         throw new Exception("Unimplemented");
062       } 
063    
064       public FlatField getData(Object subset) throws VisADException, RemoteException {
065         
066         float[] rngValues = null;
067    
068         Set set = trackDomain.makeDomain(subset);
069    
070         domainType = ((SetType)set.getType()).getDomain();
071    
072         try {
073           rngValues = (rngAdapter.getData(subset).getFloats())[0];
074         }
075         catch (Exception e) {
076           e.printStackTrace();
077           return null;
078         }
079    
080         FlatField field = new FlatField(new FunctionType(domainType, rngAdapter.getMathType().getRange()), set);
081         field.setSamples(new float[][] {rngValues}, false);
082    
083         return field;
084       }
085    
086       public void setName(String name) {
087         adapterName = name;
088       }
089    
090       public String getArrayName() {
091         if (adapterName != null) {
092           return adapterName;
093         }
094         else {
095           return rngAdapter.getArrayName();
096         }
097       }
098    
099       void setListIndex(int idx) {
100         listIndex = idx;
101       }
102    
103       public HashMap getDefaultSubset() {
104         HashMap subset = rngAdapter.getDefaultSubset();
105         if (subset.containsKey("VertDim")) {
106           double[] coords = (double[]) ((HashMap)subset).get("VertDim");
107           if (coords != null) {
108             coords[0] = listIndex;
109             coords[1] = listIndex;
110             coords[2] = 1;
111           }
112         }
113         return subset;
114       }
115    
116       public HashMap getSubsetFromLonLatRect(double minLat, double maxLat,
117                                              double minLon, double maxLon) {
118          return trackDomain.getSubsetFromLonLatRect(getDefaultSubset(), minLat, maxLat, minLon, maxLon);
119       }
120    
121       public HashMap getSubsetFromLonLatRect(double minLat, double maxLat,
122                                              double minLon, double maxLon,
123                                              int xStride, int yStride, int zStride) {
124          return trackDomain.getSubsetFromLonLatRect(getDefaultSubset(), minLat, maxLat, minLon, maxLon,
125                                                     xStride, yStride, zStride);
126       }
127    
128    }