<OGRVRTDataSource>
    <OGRVRTLayer name="long_lat">
        <SrcDataSource relativeToVRT="1">long_lat.csv</SrcDataSource>
        <GeometryType>wkbPoint</GeometryType>
        <LayerSRS>WGS84</LayerSRS>
        <GeometryField encoding="PointFromColumns" x="long" y="lat"/>
    </OGRVRTLayer>
</OGRVRTDataSource>