geojson

package

v0.0.0-...-2c24670 Latest Latest Go to latest Published: Feb 23, 2022 License: Apache-2.0 Imports: 3 Imported by: 0

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Package geojson contains an interface and various structs for 2d and 3d geometry that correspond to the geojson(http://geojson.org/) format.

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const (
	PointType   = "Point"
	PolygonType = "Polygon"
)

This section is empty.

This section is empty.

type Geometry interface {
	bson.Getter
	Type() string
	Coordinates() string
	GeoJSON() []byte
}

type Point [2]float64

func NewPoint(lat float64, lng float64) Point

GeoJson stores points as [lng, lat], everywhere else we use lat, lng

func (p *Point) Coordinates() string

Coordinates is the coordinates.

func (p *Point) GeoJSON() []byte

GeoJSON formats to GeoJSON: {type : "point", coordinates : [lat, lng]}

func (p *Point) GetBSON() (interface{}, error)

func (p Point) Lat() float64

func (p Point) Lng() float64

func (p *Point) String() string

func (p *Point) Type() string

Type is the type.

type Polygon []Point

func (poly Polygon) Coordinates() string

func (poly Polygon) GeoJSON() []byte

func (poly Polygon) GetBSON() (interface{}, error)

func (poly Polygon) Type() string