Class

software.uncharted.salt.core.generation.rdd

RDDTileGenerator

Related Doc: package rdd

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class RDDTileGenerator extends TileGenerator

Tile Generator which uses an RDD combineByKey approach to efficiently generate large tile sets.

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TileGenerator, AnyRef, Any
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  1. RDDTileGenerator
  2. TileGenerator
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Instance Constructors

  1. new RDDTileGenerator(sc: SparkContext)

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    sc

    a SparkContext

Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  9. def generate[RT, TC](data: RDD[RT], series: Seq[Series[RT, _, TC, _, _, _, _, _, _]], request: TileRequest[TC])(implicit arg0: ClassTag[TC]): RDD[Tile[TC]]

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    RT

    the source data record type (the source data is an RDD[RT])

    TC

    the abstract type representing a tile coordinate.

    data

    the RDD containing source data

    series

    a Seq of matching sets of ValueExtractors+Projection+Aggregators, which represent different aggregations of identical data within a tile (into different quantities of bins, using different columns, and/or different aggregation functions). All Series will be generated simultaneously via a single pass over the source data.

    request

    tiles requested for generation

    Definition Classes
    RDDTileGeneratorTileGenerator
  10. final def generate[RT, TC](data: RDD[RT], series: Series[RT, _, TC, _, _, _, _, _, _], request: TileRequest[TC])(implicit arg0: ClassTag[TC]): RDD[Tile[TC]]

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    Same as generate(RDD[], Seq[Series], TileRequest), but offers a shortcut for a single Series

    Same as generate(RDD[], Seq[Series], TileRequest), but offers a shortcut for a single Series

    Definition Classes
    TileGenerator
  11. final def getClass(): Class[_]

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. final def ne(arg0: AnyRef): Boolean

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  15. final def notify(): Unit

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  16. final def notifyAll(): Unit

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  17. final def synchronized[T0](arg0: ⇒ T0): T0

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  18. def toString(): String

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  19. final def wait(): Unit

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  20. final def wait(arg0: Long, arg1: Int): Unit

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  21. final def wait(arg0: Long): Unit

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Inherited from TileGenerator

Inherited from AnyRef

Inherited from Any

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