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GPX Data

GPX3 maptiler24

 

Example of using the GPX source.

Example of using the GPX source.

main.js
import 'ol/ol.css';
import GPX from 'ol/format/GPX';
import Map from 'ol/Map';
import VectorSource from 'ol/source/Vector';
import View from 'ol/View';
import XYZ from 'ol/source/XYZ';
import {Circle as CircleStyle, Fill, Stroke, Style} from 'ol/style';
import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer';

var key = 'Get your own API key at https://www.maptiler.com/cloud/';
var attributions =
  '<a href="https://www.maptiler.com/copyright/" target="_blank">&copy; MapTiler</a> ' +
  '<a href="https://www.openstreetmap.org/copyright" target="_blank">&copy; OpenStreetMap contributors</a>';

var raster = new TileLayer({
  source: new XYZ({
    attributions: attributions,
    url: 'https://api.maptiler.com/tiles/satellite/{z}/{x}/{y}.jpg?key=' + key,
    maxZoom: 20,
  }),
});

var style = {
  'Point': new Style({
    image: new CircleStyle({
      fill: new Fill({
        color: 'rgba(255,255,0,0.4)',
      }),
      radius: 5,
      stroke: new Stroke({
        color: '#ff0',
        width: 1,
      }),
    }),
  }),
  'LineString': new Style({
    stroke: new Stroke({
      color: '#f00',
      width: 3,
    }),
  }),
  'MultiLineString': new Style({
    stroke: new Stroke({
      color: '#0f0',
      width: 3,
    }),
  }),
};

var vector = new VectorLayer({
  source: new VectorSource({
    url: 'data/gpx/fells_loop.gpx',
    format: new GPX(),
  }),
  style: function (feature) {
    return style[feature.getGeometry().getType()];
  },
});

var map = new Map({
  layers: [raster, vector],
  target: document.getElementById('map'),
  view: new View({
    center: [-7916041.528716288, 5228379.045749711],
    zoom: 12,
  }),
});

var displayFeatureInfo = function (pixel) {
  var features = [];
  map.forEachFeatureAtPixel(pixel, function (feature) {
    features.push(feature);
  });
  if (features.length > 0) {
    var info = [];
    var i, ii;
    for (i = 0, ii = features.length; i < ii; ++i) {
      info.push(features[i].get('desc'));
    }
    document.getElementById('info').innerHTML = info.join(', ') || '(unknown)';
    map.getTarget().style.cursor = 'pointer';
  } else {
    document.getElementById('info').innerHTML = '&nbsp;';
    map.getTarget().style.cursor = '';
  }
};

map.on('pointermove', function (evt) {
  if (evt.dragging) {
    return;
  }
  var pixel = map.getEventPixel(evt.originalEvent);
  displayFeatureInfo(pixel);
});

map.on('click', function (evt) {
  displayFeatureInfo(evt.pixel);
});
index.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>GPX Data</title>
    <!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
    <script src="https://unpkg.com/elm-pep"></script>
    <style>
      .map {
        width: 100%;
        height:400px;
      }
    </style>
  </head>
  <body>
    <div id="map" class="map"></div>
    <div id="info">&nbsp;</div>
    <script src="main.js"></script>
  </body>
</html>
package.json
{
  "name": "gpx",
  "dependencies": {
    "ol": "6.5.0"
  },
  "devDependencies": {
    "parcel": "^2.0.0-beta.1"
  },
  "scripts": {
    "start": "parcel index.html",
    "build": "parcel build --public-url . index.html"
  }
}