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September 13, 2019 11:04
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Leaflet map with markers and choropleth
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| <html> | |
| <head> | |
| <title>A Leaflet map!</title> | |
| <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css"/> | |
| <script src="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js"></script> | |
| <script src="https://code.jquery.com/jquery-2.1.1.min.js"></script> | |
| <style> | |
| #map{ height: 100% } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <script> | |
| // initialize the map | |
| var map = L.map('map').setView([42.35, -71.08], 13); | |
| // load a tile layer | |
| L.tileLayer('http://tiles.mapc.org/basemap/{z}/{x}/{y}.png', | |
| { | |
| attribution: 'Tiles by <a href="http://mapc.org">MAPC</a>, Data by <a href="http://mass.gov/mgis">MassGIS</a>', | |
| maxZoom: 17, | |
| minZoom: 9 | |
| }).addTo(map); | |
| $.getJSON("neighborhoods.geojson",function(hoodData){ | |
| L.geoJson( hoodData, { | |
| style: function(feature){ | |
| var fillColor, | |
| density = feature.properties.density; | |
| if ( density > 80 ) fillColor = "#006837"; | |
| else if ( density > 40 ) fillColor = "#31a354"; | |
| else if ( density > 20 ) fillColor = "#78c679"; | |
| else if ( density > 10 ) fillColor = "#c2e699"; | |
| else if ( density > 0 ) fillColor = "#ffffcc"; | |
| else fillColor = "#f7f7f7"; // no data | |
| return { color: "#999", weight: 1, fillColor: fillColor, fillOpacity: .6 }; | |
| }, | |
| onEachFeature: function( feature, layer ){ | |
| layer.bindPopup( "<strong>" + feature.properties.Name + "</strong><br/>" + feature.properties.density + " rats per square mile" ) | |
| } | |
| }).addTo(map); | |
| }); | |
| $.getJSON("rodents.geojson",function(data){ | |
| var ratIcon = L.icon({ | |
| iconUrl: 'http://andywoodruff.com/maptime-leaflet/rat.png', | |
| iconSize: [60,50] | |
| }); | |
| L.geoJson(data,{ | |
| pointToLayer: function(feature,latlng){ | |
| var marker = L.marker(latlng,{icon: ratIcon}); | |
| marker.bindPopup(feature.properties.Location + '<br/>' + feature.properties.OPEN_DT); | |
| return marker; | |
| } | |
| }).addTo(map); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
HI.
i am trying see your example, but i can not see a geojson
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I want to learn how to customize the icons of a GeoJSON.
I'm learning from their work.
I can not see the GeoJSON layers.