turf-sandbox snippet

script.turf-sandbox

// Paste into <https://turf-sandbox.netlify.app/>

function sampleLine(inputLine, distanceMeters) {
  let inputLength = turf.length(inputLine, "m")
  let samples = []
  for (let i = 0; i < Math.floor(inputLength); i+=distanceMeters) {
    let point = turf.along(inputLine, i, 'm')
    samples.push(point["geometry"]["coordinates"])
  }
  samples.push(inputLine["geometry"]["coordinates"].at(-1))
  return turf.lineString(samples)
}


const l = turf.lineString(
  [[-83, 30], [-84, 36]],
  {'stroke-width': 3, stroke: '#00F'}
);
const samples = sampleLine(l, 10);

for (const sample of samples["geometry"]["coordinates"]) {
  console.log(turf.pointToLineDistance(sample, l, {units: "meters"}))
}

const samplePoints = samples["geometry"]["coordinates"]
  .map(c => turf.point(c, ))

return turf.featureCollection([l, turf.featureCollection(samplePoints)]);