Package org.apache.calcite.runtime

Class HilbertCurve2D

java.lang.Object

org.apache.calcite.runtime.HilbertCurve2D

All Implemented Interfaces:

SpaceFillingCurve2D

public class HilbertCurve2D
extends Object
implements SpaceFillingCurve2D

2-dimensional Hilbert space-filling curve.

Includes code from LocationTech SFCurve, Copyright (c) 2015 Azavea.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.runtime.SpaceFillingCurve2D

SpaceFillingCurve2D.AbstractRange, SpaceFillingCurve2D.CoveredRange, SpaceFillingCurve2D.IndexRange, SpaceFillingCurve2D.IndexRangeOrdering, SpaceFillingCurve2D.IndexRanges, SpaceFillingCurve2D.IndexRangeTuple, SpaceFillingCurve2D.OverlappingRange, SpaceFillingCurve2D.Point, SpaceFillingCurve2D.RangeComputeHints

Constructor Summary

Constructors

Constructor	Description
HilbertCurve2D(int resolution)

Method Summary

Modifier and Type	Method	Description
long	toIndex(double x, double y)
SpaceFillingCurve2D.Point	toPoint(long i)
List<SpaceFillingCurve2D.IndexRange>	toRanges(double xMin, double yMin, double xMax, double yMax, SpaceFillingCurve2D.RangeComputeHints hints)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

HilbertCurve2D

public HilbertCurve2D(int resolution)

Method Details

toIndex

public long toIndex(double x,
 double y)

Specified by:

toIndex in interface SpaceFillingCurve2D

toPoint

public SpaceFillingCurve2D.Point toPoint(long i)

Specified by:

toPoint in interface SpaceFillingCurve2D

toRanges

public List<SpaceFillingCurve2D.IndexRange> toRanges(double xMin,
 double yMin,
 double xMax,
 double yMax,
 SpaceFillingCurve2D.RangeComputeHints hints)

Specified by:

toRanges in interface SpaceFillingCurve2D