question: public static GeoTimeSerie detect ( GeoTimeSerie gts , int alphabetSize , int wordLen , int windowLen , Collection < String > patterns , boolean standardizePAA ) throws WarpScriptException { GeoTimeSerie gtsPatterns = GTSHelper . bSAX ( gts , alphabetSize , wordLen , windowLen , standardizePAA ) ; GTSHelper . sort ( gtsPatterns ) ; GeoTimeSerie detected = new GeoTimeSerie ( gts . lastbucket , gts . bucketcount , gts . bucketspan , 16 ) ; detected . setMetadata ( gts . getMetadata ( ) ) ; int lastidx = - 1 ; for ( int i = 0 ; i < gtsPatterns . values ; i ++ ) { if ( ! patterns . contains ( gtsPatterns . stringValues [ i ] ) ) { continue ; } for ( int j = 0 ; j < windowLen ; j ++ ) { if ( i + j > lastidx ) { lastidx = i + j ; GTSHelper . setValue ( detected , GTSHelper . tickAtIndex ( gts , lastidx ) , GTSHelper . locationAtIndex ( gts , lastidx ) , GTSHelper . elevationAtIndex ( gts , lastidx ) , GTSHelper . valueAtIndex ( gts , lastidx ) , false ) ; } } } return detected ; }
target:  Detect patterns in a Geo Time Serie instance. Return a modified version of the original GTS instance where only the values which are part of one of the provided patterns are kept.