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November 8, 2024 19:02
Leaflet styling source to black&white/grayscale on client side
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| <<!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title></title> | |
| <style type="text/css"> | |
| #viewerDiv { | |
| width:100%; | |
| height:600px; | |
| } | |
| .bw { | |
| filter: grayscale(100%) opacity(80%); | |
| } | |
| </style> | |
| <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" /> | |
| <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script> | |
| </head> | |
| <body> | |
| <div id="viewerDiv"></div> | |
| <script type="text/javascript"> | |
| window.onload= function() { | |
| var map = L.map("viewerDiv").setView([48.845,2.424],10) ; | |
| L.tileLayer( | |
| 'https://data.geopf.fr/wmts?service=WMTS&request=GetTile&version=1.0.0&tilematrixset=PM_0_19&tilematrix={z}&tilecol={x}&tilerow={y}&layer=GEOGRAPHICALGRIDSYSTEMS.PLANIGNV2&format=image/png&style=normal', | |
| { | |
| minZoom : 0, | |
| maxZoom : 18, | |
| tileSize : 256, | |
| attribution : "IGN-F/Géoportail", | |
| className: "bw" | |
| }).addTo(map); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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