examples/bbox.html

<!DOCTYPE html>
<html>

<head lang="en">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Leaflet Geonames Search Control</title>
    <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet/1.1.0/leaflet.css" />
    <link rel="stylesheet" href="../L.Control.Geonames.css" />
    <style>
        #Nav li {
            display: inline;
            margin-left: 10px;

        }
    </style>
</head>

<body>
    <script src="//cdnjs.cloudflare.com/ajax/libs/leaflet/1.1.0/leaflet.js"></script>
    <script src="../L.Control.Geonames.js"></script>
    <div>
        <h2 style="float:left;margin:0;">Bounding Box Example:
            <small>only placenames in current map extent are returned</small>
        </h2>
        <ul id="Nav" style="float:right;list-style-type:none; margin:0;padding:0;">
            <li>
                <b>Other examples:</b>
            </li>
            <li>
                <a href="basic.html">Basic</a>
            </li>
            <li>
                <a href="adminCodes.html">Admin Codes</a>
            </li>
            <li>
                <a href="locale.html">Locale</a>
            </li>
            <li>
                <a href="events.html">Events</a>
            </li>
            <li>
                <a href="mobileview.html">Mobile View</a>
            </li>
            <li>
                <a href="postCodes.html">Postal Codes</a>
            </li>
        </ul>
    </div>
    <div id="map" style="position: absolute; top: 3em; left:0; bottom:0; right: 0;border-top:2px solid #555;"></div>

    <script>
        var map = L.map('map').setView([44.07, -118.78], 6);
        L.tileLayer('//{s}.tile.stamen.com/toner-lite/{z}/{x}/{y}.png', {
            attribution: 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a> &mdash; Map data &copy; <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>',
            subdomains: 'abcd',
            maxZoom: 10,
            minZoom: 2
        }).addTo(map);

        var control = L.control.geonames({
            username: 'cbi.test',
            //        bbox: {east:-121, west: -123, north: 46, south: 45}
            bbox: function () {
                var bounds = map.getBounds();
                return {
                    east: bounds.getEast(),
                    west: bounds.getWest(),
                    north: bounds.getNorth(),
                    south: bounds.getSouth()
                }
            }
        });
        map.addControl(control);
    </script>
</body>

</html>