
<pre>
model: {
    fields: [{
        name: 'humanReadableLocation'
    }, {
        name: 'size',
        <s>ntype: 'data-field-float'</s>, // Not supported yet 
    }, {
        name: 'timestamp',
        type: 'Date'
    }, {
        name: 'title',
        mapping: 'humanReadableLocation'
    }, {
        name: 'position',
        calculate: (rec, field, data) => ({lat: data.latitude, lng: data.longitude })
    }]
},
</pre>