Class DistanceToShapeValueSource

The distance from a provided Point to a Point retrieved from a ValueSource via ObjectVal(Int32). The distance is calculated via a Spatial4n.Core.Distance.IDistanceCalculator.

This is a Lucene.NET EXPERIMENTAL API, use at your own risk
Inheritance
System.Object
ValueSource
DistanceToShapeValueSource
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Spatial.Util
Assembly: Lucene.Net.Spatial.dll
Syntax
public class DistanceToShapeValueSource : ValueSource

Constructors

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DistanceToShapeValueSource(ValueSource, IPoint, Double, SpatialContext)

Declaration
public DistanceToShapeValueSource(ValueSource shapeValueSource, IPoint queryPoint, double multiplier, SpatialContext ctx)
Parameters
Type Name Description
ValueSource shapeValueSource
Spatial4n.Core.Shapes.IPoint queryPoint
System.Double multiplier
Spatial4n.Core.Context.SpatialContext ctx

Methods

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CreateWeight(IDictionary, IndexSearcher)

Declaration
public override void CreateWeight(IDictionary context, IndexSearcher searcher)
Parameters
Type Name Description
System.Collections.IDictionary context
IndexSearcher searcher
Overrides
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Equals(Object)

Declaration
public override bool Equals(object o)
Parameters
Type Name Description
System.Object o
Returns
Type Description
System.Boolean
Overrides
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GetDescription()

Declaration
public override string GetDescription()
Returns
Type Description
System.String
Overrides
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GetHashCode()

Declaration
public override int GetHashCode()
Returns
Type Description
System.Int32
Overrides
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GetValues(IDictionary, AtomicReaderContext)

Declaration
public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
Parameters
Type Name Description
System.Collections.IDictionary context
AtomicReaderContext readerContext
Returns
Type Description
FunctionValues
Overrides