PanoramaSurvey.wtml
<?xml version='1.0' encoding='UTF-8'?>
<Folder 
    Name="GridPanorama">

      <ImageSet 
        Generic="False" 
        DataSetType="Panorama" 
        BandPass="Visible" 
        Name="SamplePanorama" 
        Url="http://--your path--\GridPanorama\{1}\{3}\{3}_{2}.png" 
        BaseTileLevel="0" 
        TileLevels="3" 
        BaseDegreesPerTile="180" 
        FileType=".png" 
        BottomsUp="False" 
        Projection="Toast" 
        QuadTreeMap="" 
        CenterX="0"     
        CenterY="0" 
        OffsetX="0" 
        OffsetY="0" 
        Rotation="0" 
        Sparse="False" 
        ElevationModel="False">

            <Credits>A.N. Author</Credits>
            <CreditsUrl>--your credits url path--</CreditsUrl>
            <ThumbnailUrl>http://--your path--/gridpanorama.jpg</ThumbnailUrl>
            <Description />
      </ImageSet>

</Folder>