docker-nodepupper/templates/map.html

{% extends "page.html" %}
{% block title %}Photo map{% endblock %}
{% block subtitle %}GPS data{% endblock %}
{% block buttons %}{% endblock %}

{% block body %}

<div class="photo-map">
    <div id="mapdiv" style="height: 900px"></div>
    <script src="http://www.openlayers.org/api/OpenLayers.js"></script>
    <script>
        <!-- https://wiki.openstreetmap.org/wiki/OpenLayers_Marker_Example -->
        var points = [
            {%- for item in images -%}
                [{{item.lon}}, {{item.lat}}],
            {%- endfor -%}
        ]
        var map = new OpenLayers.Map("mapdiv");
        map.addLayer(new OpenLayers.Layer.OSM());
        var markers = new OpenLayers.Layer.Markers( "Markers" );
        for(var i=0;i<points.length;i++) {
            var point = points[i]
            var lonLat = new OpenLayers.LonLat(point[0], point[1])
                .transform(new OpenLayers.Projection("EPSG:4326"),
                           map.getProjectionObject());
            var marker = new OpenLayers.Marker(lonLat)
            markers.addMarker(marker);
        }
        map.addLayer(markers);
        var zoom={{ zoom or 3 }};
        map.setCenter(lonLat, zoom);
    </script>
</div>

{% endblock %}