| Package | Description | 
|---|---|
| de.lmu.ifi.dbs.elki.database.query.distance | 
 Prepared queries for distances. 
 | 
| de.lmu.ifi.dbs.elki.distance.distancefunction | 
 Distance functions for use within ELKI. 
 | 
| de.lmu.ifi.dbs.elki.distance.distancefunction.external | 
 Distance functions using external data sources. 
 | 
| Modifier and Type | Field and Description | 
|---|---|
protected DBIDDistanceFunction<D> | 
DBIDDistanceQuery.distanceFunction
The distance function we use. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
DBIDDistanceFunction<D> | 
DBIDDistanceQuery.getDistanceFunction()  | 
| Constructor and Description | 
|---|
DBIDDistanceQuery(Relation<DBID> relation,
                 DBIDDistanceFunction<D> distanceFunction)
Constructor. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
AbstractDBIDDistanceFunction<D extends Distance<D>>
AbstractDistanceFunction provides some methods valid for any extending class. 
 | 
class  | 
ProxyDistanceFunction<O,D extends Distance<D>>
Distance function to proxy computations to another distance (that probably
 was run before). 
 | 
class  | 
RandomStableDistanceFunction
This is a dummy distance providing random values (obviously not metrical),
 useful mostly for unit tests and baseline evaluations: obviously this
 distance provides no benefit whatsoever. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
DiskCacheBasedDoubleDistanceFunction
Provides a DistanceFunction that is based on double distances given by a
 distance matrix of an external file. 
 | 
class  | 
DiskCacheBasedFloatDistanceFunction
Provides a DistanceFunction that is based on float distances given by a
 distance matrix of an external file. 
 | 
class  | 
FileBasedDoubleDistanceFunction
Provides a DistanceFunction that is based on double distances given by a
 distance matrix of an external file. 
 | 
class  | 
FileBasedFloatDistanceFunction
Provides a DistanceFunction that is based on float distances given by a
 distance matrix of an external file. 
 |