Style lines

Add a custom style to line features using the style option from the L.esri.FeatureLayer class. For more explanation, visit the Style a feature layer tutorial.

Use dark colors for code blocksCopy
                                                                                        
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<html>
  <head>
    <meta charset="utf-8" />
    <title>Style lines</title>
    <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no" />
    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.8.0/dist/leaflet.css" crossorigin="" />
    <script src="https://unpkg.com/leaflet@1.8.0/dist/leaflet.js" crossorigin=""></script>

    <!-- Load Esri Leaflet from CDN -->
    <script src="https://unpkg.com/esri-leaflet@^3.0.8/dist/esri-leaflet.js"></script>

    <!-- Load Esri Leaflet Vector from CDN -->
    <script src="https://unpkg.com/esri-leaflet-vector@4.0.0/dist/esri-leaflet-vector.js" crossorigin=""></script>
    <style>
      html,
      body,
      #map {
        padding: 0;
        margin: 0;
        height: 100%;
        width: 100%;
        font-family: Arial, Helvetica, sans-serif;
        font-size: 14px;
        color: #323232;
      }
    </style>
  </head>
  <body>
    <style>
      #info-pane {
        position: absolute;
        top: 10px;
        right: 10px;
        z-index: 400;
        padding: 1em;
        background: white;
      }
    </style>
    <div id="map"></div>
    <div id="info-pane" class="leaflet-bar">Hover to inspect</div>
    <script>
      const apiKey = "YOUR_API_KEY";

      const map = L.map("map").setView([37.81, -85.85], 7);

      L.esri.Vector.vectorBasemapLayer("ArcGIS:Topographic:Base", {
        apikey: apiKey
      }).addTo(map);

      const bikePaths = L.esri
        .featureLayer({
          url: "https://services2.arcgis.com/CcI36Pduqd0OR4W9/ArcGIS/rest/services/Bicycle_Routes_Public/FeatureServer/0",
          style: function (feature) {
            let c;
            switch (feature.properties.D_BI_RT_NAME) {
              case "Bluegrass Bike Tour":
                c = "#377EB8";
                break;
              case "Cave Country Bike Tour":
                c = "#E41A1C";
                break;
              case "Kentucky's TransAmerica Bike Trail":
                c = "#4DAF4A";
                break;
              case "Ramblin' River Tour":
                c = "#984EA3";
                break;
              case "Underground Railroad":
                c = "#FF7F00";
                break;
              default:
                c = "#C0C0C0";
            }
            return { color: c, opacity: 0.65, weight: 5 };
          }
        })
        .addTo(map);

      bikePaths.on("mouseout", function (e) {
        document.getElementById("info-pane").innerHTML = "Hover to Inspect";
      });

      bikePaths.on("mouseover", function (e) {
        document.getElementById("info-pane").innerHTML = e.layer.feature.properties.D_BI_RT_NAME;
      });
    </script>
  </body>
</html>

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