Angular 6 Leaflet Marker Clusters with Custom Cluster Icons

I've been working on implementing Marker clusters in Angular 6, and while the markers themselves are displaying correctly, I'm having trouble setting the icons. Here is a screenshot for reference: https://i.sstatic.net/aQoau.jpg.

Here is the HTML code snippet:

<div leaflet style="height: 400px;" 
     [leafletOptions]="Options" 
     [leafletMarkerCluster]="markerClusterData" 
     [leafletMarkerClusterOptions]="markerClusterOptions" 
     (leafletMarkerClusterReady)="markerClusterReady($event)">
</div>

And here is the corresponding TypeScript code:

this.options = {
  layers: [
    tileLayer('http://{s}.tile.openstreetmap.se/hydda/full/{z}/{x}/{y}.png', {
      minZoom: 7,
      maxZoom: 15,
      noWrap: true,
      attribution: 'Data: CSO.ie | Tiles courtesy of <a href="http://openstreetmap.se/" target="_blank">OpenStreetMap Sweden</a> — Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>'
    })],
  center: latLng(53.408, -9.128),
  zoom: 8.5
};

// More code continues...

The issue lies with the icon setup, as the expected results are not being achieved. I attempted to use IconCreateFunction but it did not produce the desired outcome. Any assistance or insights would be greatly appreciated. Thank you.

Expected Results:

Current Results:

Please note that I am seeking solutions specific to Angular 6.

Answer №1

To ensure the colored circles are properly displayed, it's essential to import the necessary styles from the native leafletcluster library.

Within your angular.json file, make sure to include the following:

..
"styles": [
          "node_modules/leaflet/dist/leaflet.css",
          "node_modules/leaflet.markercluster/dist/MarkerCluster.css",
          "node_modules/leaflet.markercluster/dist/MarkerCluster.Default.css",
          "src/styles.css"
],
...

After importing the styles, remember to restart your app by stopping the server and running ng serve again.

Check out the demo here!

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