Package org.apache.lucene.spatial3d.geom
Class PlanetModel.DocValueEncoder
java.lang.Object
org.apache.lucene.spatial3d.geom.PlanetModel.DocValueEncoder
- Enclosing class:
PlanetModel
Utility class for encoding / decoding from lat/lon (decimal degrees) into sortable doc value
numerics (integers)
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Method Summary
Modifier and TypeMethodDescriptiondecodePoint
(long docValue) Decode GeoPoint value from long docvalues value.double
decodeXValue
(long docValue) Decode X value from long docvalues value.double
decodeYValue
(long docValue) Decode Y value from long docvalues value.double
decodeZValue
(long docValue) Decode Z value from long docvalues value.long
encodePoint
(double x, double y, double z) Encode a point.long
encodePoint
(GeoPoint point) Encode a point.double
roundDownX
(double startValue) Round the provided X value down, by encoding it, decrementing it, and unencoding it.double
roundDownY
(double startValue) Round the provided Y value down, by encoding it, decrementing it, and unencoding it.double
roundDownZ
(double startValue) Round the provided Z value down, by encoding it, decrementing it, and unencoding it.double
roundUpX
(double startValue) Round the provided X value up, by encoding it, incrementing it, and unencoding it.double
roundUpY
(double startValue) Round the provided Y value up, by encoding it, incrementing it, and unencoding it.double
roundUpZ
(double startValue) Round the provided Z value up, by encoding it, incrementing it, and unencoding it.
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Method Details
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encodePoint
Encode a point.- Parameters:
point
- is the point- Returns:
- the encoded long
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encodePoint
public long encodePoint(double x, double y, double z) Encode a point.- Parameters:
x
- is the x valuey
- is the y valuez
- is the z value- Returns:
- the encoded long
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decodePoint
Decode GeoPoint value from long docvalues value.- Parameters:
docValue
- is the doc values value.- Returns:
- the GeoPoint.
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decodeXValue
public double decodeXValue(long docValue) Decode X value from long docvalues value.- Parameters:
docValue
- is the doc values value.- Returns:
- the x value.
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decodeYValue
public double decodeYValue(long docValue) Decode Y value from long docvalues value.- Parameters:
docValue
- is the doc values value.- Returns:
- the y value.
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decodeZValue
public double decodeZValue(long docValue) Decode Z value from long docvalues value.- Parameters:
docValue
- is the doc values value.- Returns:
- the z value.
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roundDownX
public double roundDownX(double startValue) Round the provided X value down, by encoding it, decrementing it, and unencoding it.- Parameters:
startValue
- is the starting value.- Returns:
- the rounded value.
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roundUpX
public double roundUpX(double startValue) Round the provided X value up, by encoding it, incrementing it, and unencoding it.- Parameters:
startValue
- is the starting value.- Returns:
- the rounded value.
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roundDownY
public double roundDownY(double startValue) Round the provided Y value down, by encoding it, decrementing it, and unencoding it.- Parameters:
startValue
- is the starting value.- Returns:
- the rounded value.
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roundUpY
public double roundUpY(double startValue) Round the provided Y value up, by encoding it, incrementing it, and unencoding it.- Parameters:
startValue
- is the starting value.- Returns:
- the rounded value.
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roundDownZ
public double roundDownZ(double startValue) Round the provided Z value down, by encoding it, decrementing it, and unencoding it.- Parameters:
startValue
- is the starting value.- Returns:
- the rounded value.
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roundUpZ
public double roundUpZ(double startValue) Round the provided Z value up, by encoding it, incrementing it, and unencoding it.- Parameters:
startValue
- is the starting value.- Returns:
- the rounded value.
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