i found an intresting thing about the footprint of this Sentinel-3 product:
On Scihub, the footprint on the map seems valid. At the product details view, i have two footprint, which are different:
- Footprint: this is in GML syntax > This can be found in the xfdumanifest.xml, under gml:posList key.
- JTS footprint: this is in WKT syntax > This cannot be found in the Sentinel-3 metadata, but obviously the map footprint use this.
Here you can see how it looks this two polygon side by side (JTS and GML), and how it looks using the preview function of SNAP:
I would like to bouild a lightweight db using the products footprints, but what i found in the xfdumanifest.xml, is invalid. So my question is, where can i find the JTS footprint? Or if it’s not in the product, how should be generated it?
Many thanks in advance!