geo

Documentation

Index

• func BearingTo(latA, lonA, latB, lonB float64) float64
• func DestinationPoint(lat, lon, meters, bearingDegrees float64) (destLat, destLon float64)
• func DistanceFromHaversine(haversine float64) float64
• func DistanceTo(latA, lonA, latB, lonB float64) (meters float64)
• func DistanceToHaversine(meters float64) float64
• func Haversine(latA, lonA, latB, lonB float64) float64
• func NormalizeDistance(meters float64) float64
• func RectFromCenter(lat, lon, meters float64) (minLat, minLon, maxLat, maxLon float64)

Functions

func BearingTo

func BearingTo(latA, lonA, latB, lonB float64) float64

BearingTo returns the (initial) bearing from point 'A' to point 'B'.

func DestinationPoint

func DestinationPoint(lat, lon, meters, bearingDegrees float64) (
	destLat, destLon float64,
)

DestinationPoint return the destination from a point based on a distance and bearing.

func DistanceFromHaversine

func DistanceFromHaversine(haversine float64) float64

DistanceFromHaversine ...

func DistanceTo

func DistanceTo(latA, lonA, latB, lonB float64) (meters float64)

DistanceTo return the distance in meters between two point.

func DistanceToHaversine

func DistanceToHaversine(meters float64) float64

DistanceToHaversine ...

func Haversine

func Haversine(latA, lonA, latB, lonB float64) float64

Haversine ...

func NormalizeDistance

func NormalizeDistance(meters float64) float64

NormalizeDistance ...

func RectFromCenter

func RectFromCenter(lat, lon, meters float64) (
	minLat, minLon, maxLat, maxLon float64,
)

RectFromCenter calculates the bounding box surrounding a circle.