geo

Documentation

Index

• func Distance(p []*Point) float64
• type Point
  • func NewPoint(lng float64, lat float64) *Point
  • func NewTextPoint(point string) *Point
  • func (p *Point) Lat() float64
  • func (p *Point) Lng() float64

Functions

func Distance

func Distance(p []*Point) float64

Distance 点之间的距离

Types

type Point

type Point struct {
	// contains filtered or unexported fields
}

Point 点

func NewPoint

func NewPoint(lng float64, lat float64) *Point

NewPoint returns a new Point populated by the passed in latitude (lat) and longitude (lng) values. 从原参考函数而来，调整了经纬度的顺序，符合mysql ST_Distance_Sphere 顺序。

func NewTextPoint

func NewTextPoint(point string) *Point

NewTextPoint NewTextPoint 从逗号分割的点中创建point

func (*Point) Lat

func (p *Point) Lat() float64

Lat returns Point p's latitude.

func (*Point) Lng

func (p *Point) Lng() float64

Lng returns Point p's longitude.