Package

astraea.spark.rasterframes

functions

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package functions

Module utils.

Since

9/7/17

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Type Members

  1. case class CellCountAggregateFunction(isData: Boolean, child: Expression) extends DeclarativeAggregate with Product with Serializable

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    Cell count (data or NoData) aggregate function.

    Cell count (data or NoData) aggregate function.

    isData

    true if count should be of non-NoData cells, false if count should be of NoData cells.

    Since

    10/5/17

  2. case class CellMeanAggregateFunction(child: Expression) extends DeclarativeAggregate with Product with Serializable

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    Cell mean aggregate function

    Cell mean aggregate function

    Since

    10/5/17

  3. case class CellStatsAggregateFunction() extends UserDefinedAggregateFunction with Product with Serializable

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    Statistics aggregation function for a full column of tiles.

    Statistics aggregation function for a full column of tiles.

    Since

    4/17/17

  4. trait DataBiasedOp extends LocalTileBinaryOp

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  5. case class HistogramAggregateFunction(numBuckets: Int) extends UserDefinedAggregateFunction with Product with Serializable

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    Histogram aggregation function for a full column of tiles.

    Histogram aggregation function for a full column of tiles.

    Since

    4/24/17

  6. class LocalCountAggregateFunction extends UserDefinedAggregateFunction

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    Catalyst aggregate function that counts NoData values in a cell-wise fashion.

    Catalyst aggregate function that counts NoData values in a cell-wise fashion.

    Since

    8/11/17

  7. class LocalMeanAggregateFunction extends LocalStatsAggregateFunction

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    Aggregation function that only returns the average.

    Aggregation function that only returns the average. Depends on LocalStatsAggregateFunction for computation and just selects the mean result tile.

    Since

    8/11/17

  8. class LocalStatsAggregateFunction extends UserDefinedAggregateFunction

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    Aggregation function for computing multiple local (cell-wise) statistics across all tiles.

    Aggregation function for computing multiple local (cell-wise) statistics across all tiles.

    Since

    4/17/17

  9. class LocalTileOpAggregateFunction extends UserDefinedAggregateFunction

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    Aggregation function for applying a LocalTileBinaryOp pairwise across all tiles.

    Aggregation function for applying a LocalTileBinaryOp pairwise across all tiles. Assumes Monoid algebra.

    Since

    4/17/17

  10. case class TileAssemblerFunction(cols: Int, rows: Int, ct: CellType) extends UserDefinedAggregateFunction with Product with Serializable

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    Aggregator for reassembling tiles from from exploded form

    Aggregator for reassembling tiles from from exploded form

    Since

    9/24/17

Value Members

  1. object CellStatsAggregateFunction extends Serializable

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  2. object DataBiasedOp extends Serializable

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    Variations of the GeoTrellis local algebra operations, except that NoData combined with a value results in the value being returned.

    Variations of the GeoTrellis local algebra operations, except that NoData combined with a value results in the value being returned.

    Since

    10/5/17

  3. object HistogramAggregateFunction extends Serializable

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  4. object LocalStatsAggregateFunction extends Serializable

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  5. def register(sqlContext: SQLContext): Unit

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