Database: berlintest
Restore : No

Operator : extractDbScan
Number   : 1
Signature: stream(tuple) x real -> stream(tuple)
Example  : query Kneipen feed extend[B : bbox(.GeoData)] opticsR[B, 2000.0, 10] extractDbScan[500.0] filter[.Cid>=0] sortby[Cid] groupby[Cid; C : group count] count 
Result   : 4


Operator : opticsF
Number   : 1
Signature: stream(tuple) x IDENT x real x int x fun -> stream(tuple)
Example  : query (plz feed opticsF[PLZ, 10.0, 5, abs(. - ..) ] count ) = (plz count)
Result   :  TRUE


Operator : opticsTF
Number   : 1
Signature: stream(tuple) x real x int x fun -> stream(tuple)
Example  : query (Kneipen feed opticsTF[500.0, 5, distance(.GeoData, ..GeoData)] count) = (Kneipen count)
Result   : TRUE


Operator : opticsM
Number   : 1
Signature: stream(tuple) x IDENT x real x int (x geoid) -> stream(tuple)
Example  : query Kneipen feed opticsM[Name, 10.0, 5] count
Result   : 284


Operator : opticsR
Number   : 1
Signature: stream(tuple) x IDENT x real x int -> stream(tuple)
Example  : query Kneipen feed extend[B : bbox(.GeoData)]opticsR[B, 1000.0, 5] count
Result   : 284