Class

org.locationtech.geomesa.process.query.KNearestNeighborSearchProcess

KnnCalculator

Related Doc: package KNearestNeighborSearchProcess

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class KnnCalculator extends LazyLogging

Calculator for finding the k-nearest features

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LazyLogging, AnyRef, Any
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Instance Constructors

  1. new KnnCalculator(query: Point, k: Int, threshold: Double, results: Array[FeatureWithDistance], i: Int = 0)

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    query

    point to find neighbors for

    k

    number of neighbors to find

    threshold

    limit results to within a certain distance in meters

    results

    array of length k, used to hold results

    i

    number of features found so far, maxes out at k

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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  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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  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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  12. lazy val logger: Logger

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

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  14. final def notify(): Unit

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  15. final def notifyAll(): Unit

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  16. def size: Int

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    Number of features found so far

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

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  18. def toString(): String

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  19. def visit(feature: SimpleFeature, distance: Double): Unit

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    Visit a feature with a known distance

    Visit a feature with a known distance

    feature

    feature

    distance

    distance from the query point, in meters (assumed to be within the threshold)

  20. def visit(feature: SimpleFeature): Option[Double]

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    Visit a feature, checking the distance to the query point

    Visit a feature, checking the distance to the query point

    feature

    feature

    returns

    None if the feature is within the threshold, otherwise Some(distance to query point)

  21. final def wait(): Unit

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

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

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Inherited from LazyLogging

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