private HyperBoundingBox mbr ( final int [ ] entries , final int from , final int to ) { SpatialEntry first = this . node . getEntry ( entries [ from ] ) ; ModifiableHyperBoundingBox mbr = new ModifiableHyperBoundingBox ( first ) ; for ( int i = from + 1 ; i < to ; i ++ ) { mbr . extend ( this . node . getEntry ( entries [ i ] ) ) ; } return mbr ; }
Computes and returns the mbr of the specified nodes only the nodes between from and to index are considered .