echo Now create the VRT and external overview layers
echo 1: gdalbuildvrt -resolution highest -hidenodata -vrtnodata "209" ossv-2016-04-combined.vrt 2016-04/*.tif
echo Now create the VRT and external overview layers
echo 1: gdalbuildvrt -resolution highest -hidenodata -vrtnodata "209" ossv-2016-04-combined.vrt 2016-04/*.tif