99 lines
2.4 KiB
ReStructuredText
99 lines
2.4 KiB
ReStructuredText
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**********************
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Leaflet GeoJson
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**********************
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.. contents:: Table of Contents
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Access
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=================
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A basic leafletjs application employing pg_featurserv is available at http://yourdomain.com/LeafletGeoJson.html
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.. image:: _static/leaflet-geojson-europe.png
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Like our Choropleth map, this map leverages GeoJson from pg_featurserv and Query Features, but does not employ the Choropleth plugin
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pg_featurserv URL
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=================
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If you have issues with the pg_featurserv url, it can be edited at line 41 below
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.. code-block:: console
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$.getJSON("http://domain.com:9000/collections/public.countries/items.json?limit=100&continent=Europe&properties=name,gdp_md", function(data) {
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Content
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=========
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The content of the html page is displayed below.
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.. code-block:: console
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<!doctype html>
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<html>
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<head>
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<style type="text/css">
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body {
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padding: 0;
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margin: 0;
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}
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html, body, #map {
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height: 100%;
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}
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</style>
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.1.0/dist/leaflet.css"
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integrity="sha512-wcw6ts8Anuw10Mzh9Ytw4pylW8+NAD4ch3lqm9lzAsTxg0GFeJgoAtxuCLREZSC5lUXdVyo/7yfsqFjQ4S+aKw=="
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crossorigin=""/>
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<script src="https://unpkg.com/leaflet@1.1.0/dist/leaflet.js"
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integrity="sha512-mNqn2Wg7tSToJhvHcqfzLMU6J4mkOImSPTxVZAdo+lcPlk+GhZmYgACEe0x35K7YzW1zJ7XyJV/TT1MrdXvMcA=="
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crossorigin=""></script>
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</head>
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<script src="http://code.jquery.com/jquery-2.1.0.min.js"></script>
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</head>
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<body>
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<div id="map"></div>
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<script>
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var osmUrl='http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png';
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var osmAttrib='Data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors';
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var osm = new L.TileLayer(osmUrl, {minZoom: 2, maxZoom: 8, attribution: osmAttrib});
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$.getJSON("$.getJSON("http://domain.com:9000/collections/public.countries/items.json?limit=100&continent=Europe&properties=name,gdp_md", function(data) {", function(data) {
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function onEachFeature(feature, layer) {
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layer.bindPopup("Name: " + feature.properties.name + "<br>" + "Abbreviation: " + feature.properties.gdp_md);
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}
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var geojson = L.geoJson(data, {
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onEachFeature: onEachFeature
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});
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var map = L.map('map').fitBounds(geojson.getBounds());
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osm.addTo(map);
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geojson.addTo(map);
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});
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</script>
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</body>
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</html>
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Documentation
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==============
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https://leafletjs.com/
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https://leafletjs.com/examples/geojson/
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