JarCastingturf-along
turf.along(line, distance, [units=miles])
Takes a LineString|line and returns a Point|point at a specified distance along the line.
Parameters
| parameter | type | description |
|---|---|---|
line |
Feature.<LineString> | input line |
distance |
Number | distance along the line |
[units=miles] |
String | optional: can be degrees, radians, miles, or kilometers |
Example
var line = {
"type": "Feature",
"properties": {},
"geometry": {
"type": "LineString",
"coordinates": [
[-77.031669, 38.878605],
[-77.029609, 38.881946],
[-77.020339, 38.884084],
[-77.025661, 38.885821],
[-77.021884, 38.889563],
[-77.019824, 38.892368]
]
}
};
var along = turf.along(line, 1, 'miles');
var result = {
"type": "FeatureCollection",
"features": [line, along]
};
//=result
Returns Feature.<Point>, Point distance units along the line
Installation
Requires nodejs.
$ npm install turf-along
Tests
$ npm test
