/// <summary>
/// Add Document To Index Storage
/// </summary>
/// <param name="indexStorage">Index Storage</param>
/// <param name="textSpot">TextSpotting Data</param>
public static void AddDocumentToIndexStorage(IndexStorage indexStorage, TextSpot textSpot)
{
Document doc = new Document();
doc.Add(new Field(FRAME_NAME, textSpot.FileName, Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(TEXT_SPOT, textSpot.Text, Field.Store.YES, Field.Index.ANALYZED));
indexStorage.GetIndexWriter().AddDocument(doc);
}
/// <summary>
/// Add Document TextCaption to IndexStorage
/// </summary>
/// <param name="indexStorage">Index Storage</param>
/// <param name="textCaption">TextCaption data</param>
public static void AddDocumentToIndexStorage(IndexStorage indexStorage, TextCaption textCaption)
{
Document doc = new Document();
doc.Add(new Field(FRAME_NAME, textCaption.FrameName, Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(TEXT_CAPTION, textCaption.Caption, Field.Store.YES, Field.Index.ANALYZED));
indexStorage.GetIndexWriter().AddDocument(doc);
}
/// <summary>
/// Add List TextCaption Data to IndexStorage
/// </summary>
/// <param name="indexStorage">Index Storage</param>
/// <param name="textCaption">List TextCaption data</param>
public static void IndexFromDatabaseStorage(IndexStorage indexStorage, List <TextCaption> textCaption)
{
if (textCaption != null && textCaption.Count > 0)
{
foreach (TextCaption item in textCaption)
{
AddDocumentToIndexStorage(indexStorage, item);
}
}
}
/// <summary>
/// Add List TextSpotting Data to IndexStorage
/// </summary>
/// <param name="indexStorage">IndexStorage</param>
/// <param name="textSpot">List TextSpot data</param>
public static void IndexFromDatabaseStorage(IndexStorage indexStorage, List <TextSpot> textSpot)
{
if (textSpot != null && textSpot.Count > 0)
{
foreach (TextSpot item in textSpot)
{
AddDocumentToIndexStorage(indexStorage, item);
}
}
}
public static List <Object> SearchByQueryPlusScore(IndexStorage indexStorage, int topRank, String query, SearchType searchType, out List <float> listScores)
{
listScores = new List <float>();
if (String.IsNullOrEmpty(query))
{
return(null);
}
IndexSearcher indexSearch = new IndexSearcher(indexStorage.DirectoryIndexing);
//var parser = new MultiFieldQueryParser(Lucene.Net.Util.Version.LUCENE_30, new[]{
// Indexing.TEXT_SPOT}, indexStorage.analyzer);
Lucene.Net.QueryParsers.QueryParser queryParser = null;
if (searchType == SearchType.OCR)
{
queryParser = new QueryParser(Lucene.Net.Util.Version.LUCENE_30, Indexing.TEXT_SPOT, indexStorage.analyzer);
}
else if (searchType == SearchType.CAPTION)
{
queryParser = new QueryParser(Lucene.Net.Util.Version.LUCENE_30, Indexing.TEXT_CAPTION, indexStorage.analyzer);
}
Query q = queryParser.Parse(query);
TopDocs topDocs = indexSearch.Search(q, topRank);
if (topDocs == null || topDocs.ScoreDocs.Length == 0)
{
return(null);
}
List <Object> result = new List <Object>();
for (int i = 0; i < topDocs.ScoreDocs.Length; i++)
{
ScoreDoc scoreDoc = topDocs.ScoreDocs[i];
float score = scoreDoc.Score;
listScores.Add(score);
//Console.WriteLine(score);
int docId = scoreDoc.Doc;
Document doc = indexSearch.Doc(docId);
if (searchType == SearchType.OCR)
{
result.Add(new TextSpot(doc.Get(Indexing.FRAME_NAME), doc.Get(Indexing.TEXT_SPOT)));
}
else if (searchType == SearchType.CAPTION)
{
result.Add(new TextCaption(doc.Get(Indexing.FRAME_NAME), doc.Get(Indexing.TEXT_CAPTION)));
}
}
return(result);
}
