object VectorJoin
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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def
apply[L, R](left: RDD[L], right: RDD[R], pred: (Geometry, Geometry) ⇒ Boolean)(implicit arg0: ClassTag[L], arg1: (L) ⇒ Geometry, arg2: ClassTag[R], arg3: (R) ⇒ Geometry, sc: SparkContext): RDD[(L, R)]
Perform the vector join operation over an RDD[L] and and RDD[R], where both L and R are viewable as Geometry.
Perform the vector join operation over an RDD[L] and and RDD[R], where both L and R are viewable as Geometry. This makes use of the FilteredCartesianRDD type to accelerate the process (relative to plain-old CartesianRDD).
It is assumed that geometries in each partition of left and right RDDs are spatially related, such that each partition in left may have a limited number of potentially intersecting partitions in right.
- left
An RDD[L], where L is viewable as a Geometry
- right
An RDD[R], where R is viewable as a Geometry
- pred
A predicate which answers whether an L and an R should be joined
- returns
An RDD of L-R pairs
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final
def
asInstanceOf[T0]: T0
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def
calculateEnvelope[T](gs: Iterator[T])(implicit arg0: (T) ⇒ Geometry): Iterator[Envelope]
A function which calculates the envelope of a partition.
A function which calculates the envelope of a partition.
- gs
An iterator containing the contents of the RDD
- returns
An Iterator containing one envelope
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def
clone(): AnyRef
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isInstanceOf[T0]: Boolean
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