Adding a sign at the center of a map in React-Leaflet

One of the features I added to the map is a center indicator sign.

<MapContainer fullscreenControl={true}
                    center={center} zoom={18}
                    maxNativeZoom = {22}
                    maxZoom={22}
                    className={"sign-of-center-of-map"}>


.sign-of-center-of-map:before {
    position: absolute;
    content: "\271B";
    z-index: 800;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    font-size: 3rem;
    opacity: 0.7;
}

However, after adding the sign, the layers on the map became unclickable. I tried changing the z-index of the layers, but the issue persisted. Should I make adjustments to the CSS or try a different approach?

javascriptcssreactjsleafletreact-leaflet

Answer №1

A more effective approach to accessing this feature is through the use of the Control feature in React-leaflet, which allows you to customize your map as needed.

For instance:

import L from "leaflet";

createDivControl() {
const MapHelp = L.Control.extend({
  onAdd: (map) => {
    const signOfCenterOfMap = L.DomUtil.create("div", "");
    this.signOfCenterOfMap = signOfCenterOfMap;
    // Set the inner content based on the properties
    signOfCenterOfMap.innerHTML = this.props.title; // This could be your icon

    // Return the div element
    return signOfCenterOfMap;
  }
});
return new MapHelp({ position: "bottomright" })} // 'bottomleft','bottomright', ...

In this example, it is crucial to specify the position of your div element.

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