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index.html
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<html>
<head>
<title>Water Map</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="https://unpkg.com/maplibre-gl@^4.7.1/dist/maplibre-gl.js"></script>
<link
href="https://unpkg.com/maplibre-gl@^4.7.1/dist/maplibre-gl.css"
rel="stylesheet"
/>
<style>
body {
margin: 0;
padding: 0;
}
html,
body,
#map {
height: 100%;
}
#toggle-layer {
position: absolute;
margin: 10px;
padding: 4px 8px 4px 8px;
border-radius: 4px;
z-index: 1;
background: rgba(255, 255, 255, 1);
box-shadow: 0 0 0 2px rgba(0, 0, 0, .1);
}
#water-toggle-layer {
color: #0062ff;
}
#toilet-toggle-layer {
color: #FF7A7A
}
#bench-toggle-layer {
color: #70cc85
}
</style>
</head>
<body>
<div id="map">
<div id="toggle-layer">
<div id="water-toggle-layer">
<input type="checkbox" id="water-toggle" checked />
<label for="water-toggle">
Drinking Water
</label>
</div>
<div id="toilet-toggle-layer">
<input type="checkbox" id="toilet-toggle" checked />
<label for="toilet-toggle">
Toilets
</label>
</div>
<div id="bench-toggle-layer">
<input type="checkbox" id="bench-toggle"/>
<label for="bench-toggle">
Benches
</label>
</div>
</div>
<script>
var map = new maplibregl.Map({
container: "map", // container id
style: "https://tiles.openfreemap.org/styles/positron", // style URL
center: [8, 46.7], // starting position [lng, lat]
zoom: 7, // starting zoom
maxZoom: 16,
maxPitch: 75,
attributionControl: {
compact: true,
customAttribution: ["MapLibre", '<a href="https://github.com/tilezen/joerd/blob/master/docs/attribution.md" rel="noopener noreferrer" target="_blank">Terrain Tiles</a>']
},
});
const waterColor = "#619eff";
const toiletColor = "#FF7A7A";
const benchColor = "#70cc85";
map.on("load", () => {
// Insert the layer beneath any symbol layer.
const layers = map.getStyle().layers;
// console.log("layers", layers)
let labelLayerId;
for (let i = 0; i < layers.length; i++) {
if (layers[i].type === 'symbol' && layers[i].layout['text-field']) {
labelLayerId = layers[i].id;
console.log(labelLayerId)
break;
}
}
map.addSource("water-tiles", {
type: "vector",
tiles: [
"https://wrynearson.github.io/watermap/data/water_tiles/{z}/{x}/{y}.pbf",
], // URL pattern for your .pbf tiles
minzoom: 0,
// match this to the max zoom levels of tiles generated, in the tippecanoe output or z folder list
maxzoom: 14,
});
map.addSource("toilet-tiles", {
type: "vector",
tiles: [
"https://wrynearson.github.io/watermap/data/toilet_tiles/{z}/{x}/{y}.pbf",
], // URL pattern for your .pbf tiles
minzoom: 0,
// match this to the max zoom levels of tiles generated, in the tippecanoe output or z folder list
maxzoom: 14,
});
map.addSource("bench-tiles", {
type: "vector",
tiles: [
"https://wrynearson.github.io/watermap/data/bench_tiles/{z}/{x}/{y}.pbf",
], // URL pattern for your .pbf tiles
minzoom: 0,
// match this to the max zoom levels of tiles generated, in the tippecanoe output or z folder list
maxzoom: 14,
});
map.addSource("terrain-source", {
type:"raster-dem",
tiles: [
"https://s3.amazonaws.com/elevation-tiles-prod/terrarium/{z}/{x}/{y}.png",
]
});
map.addLayer({
id: "hillshade-layer",
type: "hillshade",
source: "terrain-source",
paint:{
"hillshade-shadow-color": "#a6a6a6",
"hillshade-exaggeration": 0.05,
},
layout:{ visibility: "visible" },
minzoom: 9,
});
// ADD BENCH TILES AS SEPARATE LAYERS – ONE FOR EACH GEOMETRY TYPE
map.addLayer({
id: "bench-lines",
type: "line", // Change this based on your data type
source: "bench-tiles",
"source-layer": "lines", // Replace with the actual layer name in your PBF
paint: {
"line-opacity": 0.5,
"line-color": benchColor,
},
}, labelLayerId);
map.addLayer({
id: "bench-multipolygons",
type: "fill", // Change this based on your data type
source: "bench-tiles",
"source-layer": "multipolygons", // Replace with the actual layer name in your PBF
paint: {
"fill-opacity": 0.3,
"fill-color": benchColor,
},
}, labelLayerId);
map.addLayer({
id: "bench-points",
type: "circle", // Change this based on your data type
source: "bench-tiles",
"source-layer": "points", // Replace with the actual layer name in your PBF
paint: {
"circle-radius": [
"interpolate",
["linear"],
["zoom"],
10,
1,
16,
2.5,
],
"circle-color": benchColor,
},
}, labelLayerId);
// ADD WATER TILES AS SEPARATE LAYERS – ONE FOR EACH GEOMETRY TYPE
map.addLayer({
id: "water-lines",
type: "line", // Change this based on your data type
source: "water-tiles",
"source-layer": "lines", // Replace with the actual layer name in your PBF
paint: {
"line-opacity": 0.5,
"line-color": waterColor,
},
}, labelLayerId);
map.addLayer({
id: "water-multipolygons",
type: "fill", // Change this based on your data type
source: "water-tiles",
"source-layer": "multipolygons", // Replace with the actual layer name in your PBF
paint: {
"fill-opacity": 0.3,
"fill-color": waterColor,
},
}, labelLayerId);
map.addLayer({
id: "water-points",
type: "circle", // Change this based on your data type
source: "water-tiles",
"source-layer": "points", // Replace with the actual layer name in your PBF
paint: {
"circle-radius": [
"interpolate",
["linear"],
["zoom"],
10,
1.5,
16,
4,
],
"circle-color": waterColor,
},
}, labelLayerId);
// ADD TOILET TILES AS SEPARATE LAYERS – ONE FOR EACH GEOMETRY TYPE
map.addLayer({
id: "toilet-lines",
type: "line", // Change this based on your data type
source: "toilet-tiles",
"source-layer": "lines", // Replace with the actual layer name in your PBF
paint: {
"line-opacity": 0.5,
"line-color": toiletColor,
},
}, labelLayerId);
map.addLayer({
id: "toilet-multipolygons",
type: "fill", // Change this based on your data type
source: "toilet-tiles",
"source-layer": "multipolygons", // Replace with the actual layer name in your PBF
paint: {
"fill-opacity": 0.3,
"fill-color": toiletColor,
},
}, labelLayerId);
map.addLayer({
id: "toilet-points",
type: "circle", // Change this based on your data type
source: "toilet-tiles",
"source-layer": "points", // Replace with the actual layer name in your PBF
paint: {
"circle-radius": [
"interpolate",
["linear"],
["zoom"],
10,
1.5,
16,
4,
],
"circle-color": toiletColor,
},
}, labelLayerId);
map.setLayoutProperty('water-points', 'visibility', 'visible');
map.setLayoutProperty('toilet-points', 'visibility', 'visible');
map.setLayoutProperty('bench-points', 'visibility', 'none');
map.on("click", "water-points", (e) => {
const water_coordinates = e.features[0].geometry.coordinates.slice();
new maplibregl.Popup()
.setLngLat(water_coordinates)
.setHTML(e.features[0].properties.osm_id)
.addTo(map);
});
map.on("click", "toilet-points", (e) => {
const toilet_coordinates = e.features[0].geometry.coordinates.slice();
new maplibregl.Popup()
.setLngLat(toilet_coordinates)
.setHTML(e.features[0].properties.osm_id)
.addTo(map);
});
map.on("click", "bench-points", (e) => {
const bench_coordinates = e.features[0].geometry.coordinates.slice();
new maplibregl.Popup()
.setLngLat(bench_coordinates)
.setHTML(e.features[0].properties.osm_id)
.addTo(map);
});
});
// Add geolocate control to the map.
map.addControl(
new maplibregl.GeolocateControl({
positionOptions: {
enableHighAccuracy: true,
},
trackUserLocation: true,
})
);
// Add navigation control to the map.
map.addControl(new maplibregl.NavigationControl({
visualizePitch: true,
}), "top-right");
// Add terrain control to the map.
map.addControl(
new maplibregl.TerrainControl({
source: 'terrain-source',
exaggeration: 0.04
})
);
const bench_checkbox = document.getElementById('bench-toggle');
// Add event listener for the bench checkbox
bench_checkbox.addEventListener('change', function() {
const bench_visibility = bench_checkbox.checked ? 'visible' : 'none';
// Toggle the layer visibility based on the checkbox
map.setLayoutProperty('bench-points', 'visibility', bench_visibility);
map.setLayoutProperty('bench-lines', 'visibility', bench_visibility);
map.setLayoutProperty('bench-multipolygons', 'visibility', bench_visibility);
});
const toilet_checkbox = document.getElementById('toilet-toggle');
// Add event listener for the bench checkbox
toilet_checkbox.addEventListener('change', function() {
const toilet_visibility = toilet_checkbox.checked ? 'visible' : 'none';
// Toggle the layer visibility based on the checkbox
map.setLayoutProperty('toilet-points', 'visibility', toilet_visibility);
map.setLayoutProperty('toilet-lines', 'visibility', toilet_visibility);
map.setLayoutProperty('toilet-multipolygons', 'visibility', toilet_visibility);
});
const water_checkbox = document.getElementById('water-toggle');
// Add event listener for the bench checkbox
water_checkbox.addEventListener('change', function() {
const water_visibility = water_checkbox.checked ? 'visible' : 'none';
// Toggle the layer visibility based on the checkbox
map.setLayoutProperty('water-points', 'visibility', water_visibility);
map.setLayoutProperty('water-lines', 'visibility', water_visibility);
map.setLayoutProperty('water-multipolygons', 'visibility', water_visibility);
});
</script>
</body>
</html>