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