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geo-point
Advanced tools
Readme
$ npm install geo-point
new GeoPoint(latitude: Number, longitude: Number)
calculateBearing(point: GeoPoint): Number
Calculates bearing to destination point in degrees.
const startPoint = new GeoPoint(51.5, -0.15);
const endPoint = new GeoPoint(52.5, -1.15);
const bearing = startPoint.calculateBearing(endPoint);
calculateDestination(distance: Number, bearing: Number): GeoPoint
Caculates destination point using start point, bearing and dintace in meters.
const startPoint = new GeoPoint(51.5, -0.15);
const endPoint = startPoint.calculateDestination(1000, 90);
calculateDistance(point: GeoPoint): Number
Calculates distance to the destination point in meters.
const startPoint = new GeoPoint(51.5, -0.15);
const endPoint = new GeoPoint(52.5, -1.15);
const distance = startPoint.calculateDistance(endPoint);
toString(): String
returns lat,lng string
toGeoJSON(): Object
returns a GeoJSON representation
const point = new GeoPoint(51.5, -0.15);
const geoJson = point.toGeoJSON();
geoJson.should.have.keys(['type', 'coordinates']);
geoJson.type.should.equals('Point');
geoJson.coordinates.should.deep.equals([-0.15, 51.5]);
toObject(): Object
returns a plain {latitude: Number, longitude: Number}
Object
const point = new GeoPoint(51.5, -0.15);
point.toPlainObject().should.have.keys(['latitude', 'longitude']);
toLatLngArray(): Array
returns [lat, lng]
const point = new GeoPoint(51.5, -0.15);
point.toLatLngArray().should.deep.equals([51.5, -0.15]);
toLngLatArray(): Array
const point = new GeoPoint(51.5, -0.15);
point.toLngLatArray().should.deep.equals([-0.15, 51.5]);
returns [lng, lat]
caculateBearing(point1: GeoPoint, point2: GeoPoint): Number
Returns a bearing between two points
caculateDestination(startPoint: GeoPoint, distance: Number: Bearing: Number): GeoPoint
Returns destination point
calculateDistance(p1: GeoPoint, p2: GeoPoint): Number
Returns a distance between points in meters
const point1 = new GeoPoint(51.5, -0.15);
const point2 = new GeoPoint(51.6, -0.15);
const distanceInMeters = GeoPoint.calculateDistance(point1, point2);
fromGeoJSON({type: String, coordinates: [longitude: Number, latitude: Number]}): GeoPoint
factory function
const point = GeoPoint.fromGeoJSON({
type: 'Point',
coordinates: [-0.15, 51.5]
});
fromObject({latitude: Number, longitude: Number}): GeoPoint
factory function
const point = GeoPoint.fromObject({
latitude: 51.5,
longitude: -0.15
});
fromLatLngArray([latitude: Number, longitude: Number]): GeoPoint
factory function
const point = GeoPoint.fromLatLngArray([51.5, -0.15]);
fromLngLatArray([longitude: Number, longitude: Number]): GeoPoint
factory function
const point = GeoPoint.fromLngLatArray([-0.15, 51.5]);
FAQs
geo point
The npm package geo-point receives a total of 3,608 weekly downloads. As such, geo-point popularity was classified as popular.
We found that geo-point demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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