polymer + google-sheets

map-sheets.html

<link rel="import" href="../bower_components/polymer/polymer.html">
<link rel="import" href="../bower_components/google-map/google-map.html">
<link rel="import" href="../bower_components/google-sheets/google-sheets.html">
 
<polymer-element name="map-sheet" noscript>
    <template>
        <google-sheets key="1s4j6YN_My1-fF2AZ12z3Ym8okUddkivOux0jC3M1Nho" rows="{{rows}}" published">
        </google-sheets>
        <google-map fittomarkers>
            <template repeat="{{row in rows}}">
                <google-map-marker 
                    latitude="{{row.gsx$lat.$t}}" 
                    longitude="{{row.gsx$lng.$t }}"></google-map-marker>
            </template>
        </google-map>

    </template> 

</polymer-element>