spatial
Class LayerScaleWindowQuery

java.lang.Object
  |
  +--spatial.BasicSpatialQuery
        |
        +--spatial.WindowQuery
              |
              +--spatial.LayerWindowQuery
                    |
                    +--spatial.LayerScaleWindowQuery

All Implemented Interfaces:

LayerQuery, SpatialQuery

public class LayerScaleWindowQuery

extends LayerWindowQuery

Class offering the operations required for a layer window query performed by a spatial search tree which stores the layer in the leafs: The query rectangle must be intersected by the object and the layer must be equal to the query layer. In addition, a defined scale must be exceeded.

Field Summary

Fields inherited from class spatial.BasicSpatialQuery

tolerance

Constructor Summary

LayerScaleWindowQuery(int queryLayer, int scale)
Constructor.

Method Summary

boolean

conditionFulfilled(MBR rect, SpatialSearchTreeObject obj) Test for intersection.

Methods inherited from class spatial.LayerWindowQuery

getQueryLayer

Methods inherited from class spatial.BasicSpatialQuery

areEqual, conditionFulfilled, conditionFulfilled, setTolerance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LayerScaleWindowQuery

public LayerScaleWindowQuery(int queryLayer,
                             int scale)

Constructor.

Parameters:

queryLayer - the index of the query layer

Method Detail

conditionFulfilled

public boolean conditionFulfilled(MBR rect,
                                  SpatialSearchTreeObject obj)

Test for intersection. Supports tolerance. The scale attribute is considered.

Specified by:

conditionFulfilled in interface SpatialQuery

Overrides:

conditionFulfilled in class LayerWindowQuery

Parameters:

rect - query rectangle

obj - leaf object

Returns:

condition fulfilled?