79 lines
2.1 KiB
Markdown
79 lines
2.1 KiB
Markdown
---
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layout: tutorial_frame
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title: GeoJSON tutorial
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---
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<script src="sample-geojson.js" type="text/javascript"></script>
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<script>
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var map = L.map('map').setView([39.74739, -105], 13);
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L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token=pk.eyJ1IjoibWFwYm94IiwiYSI6ImNpejY4NXVycTA2emYycXBndHRqcmZ3N3gifQ.rJcFIG214AriISLbB6B5aw', {
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maxZoom: 18,
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attribution: 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, ' +
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'<a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, ' +
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'Imagery © <a href="http://mapbox.com">Mapbox</a>',
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id: 'mapbox.light'
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}).addTo(map);
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var baseballIcon = L.icon({
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iconUrl: 'baseball-marker.png',
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iconSize: [32, 37],
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iconAnchor: [16, 37],
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popupAnchor: [0, -28]
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});
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function onEachFeature(feature, layer) {
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var popupContent = "<p>I started out as a GeoJSON " +
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feature.geometry.type + ", but now I'm a Leaflet vector!</p>";
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if (feature.properties && feature.properties.popupContent) {
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popupContent += feature.properties.popupContent;
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}
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layer.bindPopup(popupContent);
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}
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L.geoJSON([bicycleRental, campus], {
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style: function (feature) {
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return feature.properties && feature.properties.style;
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},
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onEachFeature: onEachFeature,
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pointToLayer: function (feature, latlng) {
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return L.circleMarker(latlng, {
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radius: 8,
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fillColor: "#ff7800",
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color: "#000",
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weight: 1,
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opacity: 1,
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fillOpacity: 0.8
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});
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}
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}).addTo(map);
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L.geoJSON(freeBus, {
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filter: function (feature, layer) {
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if (feature.properties) {
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// If the property "underConstruction" exists and is true, return false (don't render features under construction)
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return feature.properties.underConstruction !== undefined ? !feature.properties.underConstruction : true;
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}
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return false;
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},
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onEachFeature: onEachFeature
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}).addTo(map);
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var coorsLayer = L.geoJSON(coorsField, {
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pointToLayer: function (feature, latlng) {
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return L.marker(latlng, {icon: baseballIcon});
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},
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onEachFeature: onEachFeature
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}).addTo(map);
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</script>
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