geometry

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v0.40.4 Latest Latest Go to latest Published: May 19, 2022 License: Apache-2.0 Imports: 3 Imported by: 0

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github.com/dolthub/dolt

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Documentation ¶

Index ¶

Constants
func DeserializeLinestring(buf []byte, srid uint32) (l sql.Linestring)
func DeserializePoint(buf []byte, srid uint32) (p sql.Point)
func DeserializePolygon(srid uint32, buf []byte) (p sql.Polygon)
func ParseEWKBHeader(buf []byte) (srid uint32, bigEndian bool, typ uint32)
func ParseEWKBPoint(buf []byte) (x, y float64)
func SerializeLinestring(l sql.Linestring) (buf []byte)
func SerializePoint(p sql.Point) (buf []byte)
func SerializePolygon(p sql.Polygon) (buf []byte)
func WriteEWKBHeader(buf []byte, srid, typ uint32)
func WriteEWKBPointData(buf []byte, x, y float64)

Constants ¶

View Source

const (
	SRIDSize       = 4
	EndianSize     = 1
	TypeSize       = 4
	EWKBHeaderSize = SRIDSize + EndianSize + TypeSize

	PointSize = 16
	CountSize = 4
)

View Source

const (
	PointType      = 1
	LinestringType = 2
	PolygonType    = 3
)

Variables ¶

This section is empty.

Functions ¶

func DeserializeLinestring ¶

func DeserializeLinestring(buf []byte, srid uint32) (l sql.Linestring)

func DeserializePoint ¶

func DeserializePoint(buf []byte, srid uint32) (p sql.Point)

func DeserializePolygon ¶

func DeserializePolygon(srid uint32, buf []byte) (p sql.Polygon)

func ParseEWKBHeader ¶

func ParseEWKBHeader(buf []byte) (srid uint32, bigEndian bool, typ uint32)

ParseEWKBHeader converts the header potion of a EWKB byte array to srid, endianness, and geometry type

func ParseEWKBPoint ¶

func ParseEWKBPoint(buf []byte) (x, y float64)

func SerializeLinestring ¶

func SerializeLinestring(l sql.Linestring) (buf []byte)

func SerializePoint ¶

func SerializePoint(p sql.Point) (buf []byte)

func SerializePolygon ¶

func SerializePolygon(p sql.Polygon) (buf []byte)

func WriteEWKBHeader ¶

func WriteEWKBHeader(buf []byte, srid, typ uint32)

func WriteEWKBPointData ¶

func WriteEWKBPointData(buf []byte, x, y float64)

Types ¶

This section is empty.

Source Files ¶

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