1.0.1 • Published 9 years ago
turf-vincenty-inverse v1.0.1
turf-vincenty-inverse
turf distance module
turf.vincenty-inverse(from, to, units)
Vincenty's inverse formula computes the geographical distance and direction between two given points.
Parameters
parameter | type | description |
---|---|---|
from | Feature.\<Point> | origin point |
to | Feature.\<Point> | destination point |
[units=kilometers] | String | optional: can be degrees, radians, miles, or kilometers |
Example
var point1 = {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [-75.343, 39.984]
}
};
var point2 = {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [-75.534, 39.123]
}
};
var units = "miles";
var points = {
"type": "FeatureCollection",
"features": [point1, point2]
};
//=points
var distance = turf.vincenty-inverse(point1, point2, units);
//=distance
Returns Number
, distance between the two points
Installation
Requires nodejs.
$ npm install turf-vincenty-inverse
Tests
$ npm test
1.0.1
9 years ago