test.js

#!/usr/bin/node
'use strict';
const idw = require('./index.js');

var points = [
    { value: 10, longitude: 11, latitude: 12 },
    { value: 1, longitude: 2, latitude: 3 },
    { value: 7, longitude: 8, latitude: 9 },
    { value: 4, longitude: 5, latitude: 6 }
];
var x = Array.from({ length: 40 }, (v, k) => k / 2);
var y = Array.from({ length: 20 }, (v, k) => k);
var options = {
    nth: 1,
    same: 0.00000001,
    neighbor: 100,
    loLim: -100,
    upLim: 100
}
var interpolated = idw.sync(points, x, y, options);
console.log(interpolated);

var interpolated2 = idw.sync(points, x, y);
console.log(interpolated.every((col, y) => col.every((value, x) => value == interpolated2[y][x])));

idw.async(points, x, y, options, (interpolated2) => {
    console.log(interpolated.every((col, y) => col.every((value, x) => value == interpolated2[y][x])));

})

idw.async(points, x, y, (interpolated2) => {
    console.log(interpolated.every((col, y) => col.every((value, x) => value == interpolated2[y][x])));

})
var value = [10, 1, 7, 4];
var x = [11, 2, 8, 5];
var y = [12, 3, 9, 6];
var X = Array.from({ length: 40 }, (v, k) => k / 2);
var Y = Array.from({ length: 20 }, (v, k) => k);

var interpolated2 = idw.sync(value, x, y, X, Y, options);
console.log(interpolated.every((col, y) => col.every((value, x) => value == interpolated2[y][x])));

var interpolated2 = idw.sync(value, x, y, X, Y);
console.log(interpolated.every((col, y) => col.every((value, x) => value == interpolated2[y][x])));

idw.async(value, x, y, X, Y, options, (interpolated2) => {
    console.log(interpolated.every((col, y) => col.every((value, x) => value == interpolated2[y][x])));

})
idw.async(value, x, y, X, Y, (interpolated2) => {
    console.log(interpolated.every((col, y) => col.every((value, x) => value == interpolated2[y][x])));

})

// console.log(interpolated.every((col, y) => col.every((value, x) => value == interpolated2[y][x])));

// idw.test();