org.apache.calcite.runtime

Interface SpaceFillingCurve2D

All Known Implementing Classes:

HilbertCurve2D

public interface SpaceFillingCurve2D

Utilities for space-filling curves.

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

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	SpaceFillingCurve2D.AbstractRange Base class for Range implementations.
static class	SpaceFillingCurve2D.CoveredRange Range that is covered.
static interface	SpaceFillingCurve2D.IndexRange Range.
static class	SpaceFillingCurve2D.IndexRangeOrdering Lexicographic ordering for SpaceFillingCurve2D.IndexRange.
static class	SpaceFillingCurve2D.IndexRanges Utilities for SpaceFillingCurve2D.IndexRange.
static class	SpaceFillingCurve2D.IndexRangeTuple Data representing a range.
static class	SpaceFillingCurve2D.OverlappingRange Range that is not contained.
static class	SpaceFillingCurve2D.Point A 2-dimensional point.
static class	SpaceFillingCurve2D.RangeComputeHints Hints for the toRanges(double, double, double, double, org.apache.calcite.runtime.SpaceFillingCurve2D.RangeComputeHints) method.

Method Summary

Modifier and Type	Method and 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)

Method Detail

toIndex

long toIndex(double x,
             double y)

toPoint

SpaceFillingCurve2D.Point toPoint(long i)

toRanges

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