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c

geotrellis.spark.sigmoidal

RDDMultibandSigmoidalMethods

abstract class RDDMultibandSigmoidalMethods[K, V] extends MethodExtensions[RDD[(K, V)]]

Linear Supertypes
MethodExtensions[RDD[(K, V)]], Serializable, Serializable, AnyRef, Any
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withRDDMultibandSigmoidalMethods
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Instance Constructors

  1. new RDDMultibandSigmoidalMethods()(implicit arg0: (V) ⇒ MultibandTile)

Abstract Value Members

  1. abstract def self: RDD[(K, V)]
    Definition Classes
    MethodExtensions

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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  8. def finalize(): Unit
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  11. final def isInstanceOf[T0]: Boolean
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  12. final def ne(arg0: AnyRef): Boolean
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  13. final def notify(): Unit
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  14. final def notifyAll(): Unit
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  15. def sigmoidal(alpha: Double, beta: Double): RDD[(K, MultibandTile)]

    Given parameters alpha and beta, return an RDD of tiles where the sigmoidal contrast operation has been performed on each band of each tile.

    Given parameters alpha and beta, return an RDD of tiles where the sigmoidal contrast operation has been performed on each band of each tile.

    The approach used is described here: https://www.imagemagick.org/Usage/color_mods/#sigmoidal

    alpha

    The center around-which the stretch is performed (given as a fraction)

    beta

    The standard deviation in the computation, used to avoid saturating the upper and lower parts of the gamut

    returns

    An RDD of output tiles

  16. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  17. def toString(): String
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  18. final def wait(): Unit
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  20. final def wait(arg0: Long): Unit
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Inherited from MethodExtensions[RDD[(K, V)]]

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