leaflet.vectorgrid
Version:
Display gridded vector data (sliced GeoJSON or protobuf vector tiles) in Leaflet 1.0
66 lines (51 loc) • 1.82 kB
HTML
<html>
<head>
<title>Leaflet.GridLayer.Vector.Slicer demo</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css" />
<script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet.js"></script>
<script src="https://unpkg.com/leaflet.vectorgrid@1.2.0"></script>
</head>
<body style='margin:0'>
<div id="map" style="width: 100vw; height: 100vh"></div>
<script>
var map = L.map('map');
// var canvasRenderer = L.canvas();
var cartodbAttribution = '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, © <a href="http://cartodb.com/attributions">CartoDB</a>';
var positron = L.tileLayer('http://{s}.basemaps.cartocdn.com/light_nolabels/{z}/{x}/{y}.png', {
attribution: cartodbAttribution,
opacity: 1
}).addTo(map);
fetch('./eu-countries.topo.json').then(function(response){
return response.json();
}).then(function(json){
console.log(json);
var vectorGrid = L.vectorGrid.slicer( json, {
rendererFactory: L.canvas.tile,
vectorTileLayerStyles: {
'eu-countries': function(properties, zoom) {
console.log(properties);
var p = properties.mapcolor7 % 5;
return {
fillColor: p === 0 ? '#800026' :
p === 1 ? '#E31A1C' :
p === 2 ? '#FEB24C' :
p === 3 ? '#B2FE4C' : '#FFEDA0',
fillOpacity: 0.5,
// fillOpacity: 1,
stroke: true,
fill: true,
color: 'black',
// opacity: 0.2,
weight: 2,
}
}
}
}).addTo(map);
map.setView({ lat: 47.040182144806664, lng: 9.667968750000002 }, 0);
});
</script>
</body>
</html>