| 1 | /**
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| 2 | * @(#)ClusterObj.java 12/12/99
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| 3 | * @author Peter Au
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| 4 | * All rights reserved.
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| 5 | */
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| 6 |
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| 7 | package vishnu.testvis.object;
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| 8 | import vishnu.datablock.*;
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| 9 | import java.util.Vector;
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| 10 |
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| 11 | public class ClusterObj
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| 12 | {
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| 13 | DocObj[] _docs; //-- list of DocObj ref
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| 14 | String _label; //-- (top 3-5? related words)
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| 15 | Point2D [] _sammon; //-- 2D mapping for the centroids
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| 16 | DataManager _data;
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| 17 | public ClusterObj(DocObj[] d, String t, Point2D [] sammon, DataManager dm)
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| 18 | {
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| 19 | _docs=d; _label=t;
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| 20 | _sammon = sammon;
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| 21 | _data = dm;
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| 22 | }
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| 23 | /**
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| 24 | * @return the number of documents in the cluster
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| 25 | */
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| 26 | public int getDocsSize(){return _docs.length;}
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| 27 |
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| 28 | public String getLabel(){return _label;}
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| 29 |
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| 30 | public String getLabel1(){return getDocsSize() + " documents found";}
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| 31 | public String getLabel2(){return getLabel();}
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| 32 |
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| 33 |
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| 34 | public String getInfo(){
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| 35 | return getDocsSize() + " documents found\n" + getLabel();
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| 36 | }
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| 37 |
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| 38 |
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| 39 | /**
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| 40 | * This returns a list of list of documents. The inner list of documents represents
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| 41 | * which documents have the corresponding related word
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| 42 | * pre: _docs can't be null
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| 43 | * @return a vector (same length as the related words) of
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| 44 | * vectors (arbitrary length)
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| 45 | *
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| 46 | */
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| 47 | public Vector getHitDocFreq()
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| 48 | {
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| 49 | int s = _data.getWordCount();
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| 50 | Vector rwVec = new Vector(s);
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| 51 | for(int i=0;i<s;i++)
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| 52 | {
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| 53 | rwVec.addElement(new Vector(0));
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| 54 | for(int j=0;j<_docs.length;j++)
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| 55 | {
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| 56 | if ( _docs[j].getWeights(i) > 0 )
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| 57 | ((Vector) rwVec.elementAt(i)).addElement(_docs[j]);
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| 58 | }
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| 59 | }
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| 60 | return rwVec;
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| 61 | }
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| 62 |
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| 63 |
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| 64 | public String formatDocs()
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| 65 | {
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| 66 | int l = getDocsSize();
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| 67 | String s = "<html><font face=Arial size=-1> "+ l +" documents found\n";
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| 68 | for(int i=0;i<l;i++)
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| 69 | {
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| 70 | s += _docs[i].format4Fields();
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| 71 | }
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| 72 | s += "</font></html>\n";
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| 73 | return s;
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| 74 | }
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| 75 |
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| 76 |
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| 77 | }
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