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turf-point-on-line
Advanced tools
Takes a Point and a LineString and calculates the closest Point on the LineString.
Parameters
line
Feature<LineString> line to snap topoint
Feature<Point> point to snap fromExamples
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 pt = {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [-77.037076, 38.884017]
}
};
var snapped = turf.pointOnLine(line, pt);
snapped.properties['marker-color'] = '#00f'
var result = {
"type": "FeatureCollection",
"features": [line, pt, snapped]
};
//=result
Returns Feature<Point> closest point on the line
to point
This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.
Install this module individually:
$ npm install turf-point-on-line
Or install the Turf module that includes it as a function:
$ npm install turf
FAQs
# pointOnLine
The npm package turf-point-on-line receives a total of 9,414 weekly downloads. As such, turf-point-on-line popularity was classified as popular.
We found that turf-point-on-line demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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