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trait PolygonalSummaryHandler[G <: Geometry, D, T] extends Serializable

This trait provides the scaffolding necessary to generate aggregations which depend on Polygon and MultiPolygon instances.

G

the Geometry type against which containment and intersection checks are carried out to determine the flow of aggregation logic

D

the type of any data expected to be associated with G in Feature instances

T

the type being aggregated to through summary mergeOp calls

Note

This trait specifies the type of operation to be carried out but *NOT* the "zero element" which determines the beginning value for a chain of operations (like the starting element in a fold) and *NOT* the Polygon or MultiPolygon to be used during a summary. Instead, those are specified in a call to mergeOp which returns the function used in an actual summarization.

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Abstract Value Members

  1. abstract def combineOp(v1: T, v2: T): T
  2. abstract def handleContains(feature: Feature[G, D]): T
  3. abstract def handleIntersection(polygon: Polygon, feature: Feature[G, D]): T

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  6. final def eq(arg0: AnyRef): Boolean
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  8. def finalize(): Unit
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  10. def hashCode(): Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. def mergeOp(multiPolygon: MultiPolygon, zeroValue: T): (T, Feature[G, D]) ⇒ T

    Given a polygon and a zerovalue, this function returns a function which can be used to compute aggregations

  13. def mergeOp(polygon: Polygon, zeroValue: T): (T, Feature[G, D]) ⇒ T

    Given a polygon and a zerovalue, this function returns a function which can be used to compute aggregations

  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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