Switch to parceljs, add intial map stuff
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635a85aeab
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.gitignore
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.gitignore
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/.tern-port
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/node_modules/
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/dist/
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.tern-port
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6217
package-lock.json
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6217
package-lock.json
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11
package.json
11
package.json
@ -5,23 +5,20 @@
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"private": true,
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"dependencies": {
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"aprs-parser": "^1.0.4",
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"ol": "^5.0.3",
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"ws": "^5.2.2"
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},
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"devDependencies": {
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"webpack": "^4.16.1",
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"webpack-cli": "^3.0.8",
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"webpack-serve": "^2.0.2"
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"parcel": "^1.9.7"
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},
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1",
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"monkeyPatch": "sed -i '8s| APRSIS| //APRSIS|' node_modules/aprs-parser/lib/index.js",
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"serve": "node src/server.js",
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"prestart": "npm run monkeyPatch",
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"start": "node_modules/.bin/webpack-serve --content src",
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"start": "node_modules/.bin/parcel src/index.html",
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"prebuild": "npm run monkeyPatch",
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"build": "NODE_ENV=production node node_modules/.bin/webpack && cp src/index.html dist/index.html"
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"build": "node_modules/.bin/parcel build src/index.html"
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},
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"author": "Adam Goldsmith <contact@adamgoldsmith.name>",
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"license": "ISC"
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BIN
src/arrow.png
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BIN
src/arrow.png
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After Width: | Height: | Size: 398 B |
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<head>
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<meta charset="UTF-8">
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<script src="main.js"></script>
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<script src="./index.js"></script>
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<style>
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table.stations {
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border-collapse: collapse;
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@ -29,5 +29,6 @@
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<div class="wrapper">
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<table class="stations">
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</table>
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<a href="map.html">Map</a>
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</div>
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</body>
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19
src/map.html
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19
src/map.html
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<!doctype html>
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<html lang="en">
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<head>
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<style>
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html, body {
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height: 100%
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}
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.map {
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height: 100%;
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width: 100%;
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}
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</style>
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<title>OpenLayers example</title>
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</head>
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<body>
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<div id="map" class="map"></div>
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<script src="./map.js"></script>
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</body>
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</html>
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106
src/map.js
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106
src/map.js
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import 'ol/ol.css';
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import {Map as olMap, View} from 'ol';
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import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer';
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import {OSM, Vector as VectorSource} from 'ol/source';
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import Feature from 'ol/Feature';
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import {fromLonLat} from 'ol/proj';
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import {Icon, Stroke, Style} from 'ol/style';
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import Projection from 'ol/proj/Projection';
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import {LineString, Point} from 'ol/geom';
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import {readFileSync} from 'fs';
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const packets = readFileSync(__dirname + '/../IS_packets.txt', 'utf-8');
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import {APRSParser} from 'aprs-parser';
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import icon from "./arrow.png";
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let parser = new APRSParser();
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let tile_layer = new TileLayer({source: new OSM()});
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let vector_layer = new VectorLayer({
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source: new VectorSource()
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});
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let map = new olMap({
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target: 'map',
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layers: [
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tile_layer,
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vector_layer
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],
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view: new View({
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center: fromLonLat([-72.15, 43.90]),
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zoom: 10
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})
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});
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let colorGen = {
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hues: null,
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get: function (totalNum) {
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if (this.hues === null) {
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let mult = Math.floor(360 / totalNum);
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this.hues = Array.from(Array(totalNum).keys())
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.map(x => x * mult);
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// Shuffle (this is not a great shuffle, but I don't care)
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this.hues.forEach((current, index, arr) => {
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let randomIndex = Math.floor(Math.random() * index);
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[arr[index], arr[randomIndex]] =
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[arr[randomIndex], arr[index]];
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});
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}
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return this.hues.pop();
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}
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};
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let lines = packets.split("\n");
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lines
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// restrict to just prouty times
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.filter(line => {
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let date = new Date(line.slice(0,18));
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return date > new Date("2018-07-14") && date < new Date("2018-07-15");
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})
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// parse to APRS packet
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.map(line => parser.parse(line.slice(29)))
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// filter by callsign
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.filter(packet => (packet.from !== undefined) &&
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(packet.from.toString() === "W1HS-9"))
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// filter to just positional data
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.filter(packet => 'data' in packet && 'latitude' in packet.data)
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// join into Arrays of points
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.reduce((acc, packet) => {
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if (!acc.has(packet.from.toString())) acc.set(packet.from.toString(), []);
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acc.get(packet.from.toString()).push([packet.data.longitude,
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packet.data.latitude]);
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return acc;
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}, new Map())
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// plot on map
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.forEach((points, callsign, map) => {
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let pathFeature = new Feature(new LineString(points));
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let styles = [
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new Style({stroke: new Stroke(
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{color: 'hsl(' + colorGen.get(map.size) + ', 75%, 50%)', width: 2})})];
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pathFeature.getGeometry().forEachSegment((start, end) => {
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let dx = end[0] - start[0];
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let dy = end[1] - start[1];
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let rotation = Math.atan2(dy, dx);
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// arrows
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styles.push(new Style({
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geometry: new Point(end),
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image: new Icon({
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src: icon,
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anchor: [0.75, 0.5],
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rotateWithView: true,
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rotation: -rotation
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})
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}));
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});
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pathFeature.setStyle(styles);
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vector_layer.getSource().addFeature(pathFeature);
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pathFeature.getGeometry().transform(new Projection({code: "EPSG:4326"}),
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tile_layer.getSource().getProjection());
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});
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