Data

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      // Get GeoJSON features from a feature service where `POPULATION > 250000`
      const featureLayer = await maplibreArcGIS.FeatureLayer.fromUrl("https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/USA_Major_Cities/FeatureServer/0", {
        query: {
          where: 'POPULATION>250000'
        },
        token: accessToken
      });

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    map.on('load', async () => {

      const vectorLayer = await maplibreArcGIS.VectorTileLayer.fromPortalItem('31eb749371c441e0b3ac5db4f60ecba9', {
        token: accessToken
      });

      vectorLayer.addSourcesAndLayersTo(map);

    });

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      map.addSource("contours", {
        type: "raster",
        tiles: [
          "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Santa_Monica_contours_(map_tiles)/MapServer/tile/{z}/{y}/{x}?token=" + accessToken
        ],

        // Attribution text retrieved from https://arcgis.com/home/item.html?id=5fd812155876416997c1a03e841e8821
        attribution: 'City of Santa Monica GIS Data'

      });