Function interpolate

stackgl_modules/index.js:16848–16858

(simplex, weights)

}

function interpolate(simplex, weights) {
  var result = [0,0,0]
  for(var i=0; i<simplex.length; ++i) {
    var p = simplex[i]
    var w = weights[i]
    for(var j=0; j<3; ++j) {
      result[j] += w * p[j]
    }
  }
  return result
}

function closestPointToPickLocation(simplex, pixelCoord, model, view, projection, resolution) {
  if(simplex.length === 1) {