Aerial orthophotography 2021 on Rennes Métropole

It is an orthorectified vertical aerial view of the territory of Rennes Métropole. Orthorectification consists of distorting the image in order to correct the deformations inherent in the relief. A more complete description of an orthophotography can be found in a document attached to the metadata. \- Large format digital camera used for aerial shooting: Vexcel – Osprey Prime – N°423S71281 \- Deliverables delivered in RGF93-CC48 \- Total Planimetric Accuracy Class: class A \- EMQ: 10 cm (2 pixels) \- Native resolution: 5 cm \- Longitudinal/lateral band cover: 67/60 % for the North and South bands – 78/60 % on the Centre bands and 78/80 % on Rennes Ville (see map annexed to the metadata). \- True orthophotography on the territory of the city of Rennes \- Delivery in the form of 1 km x 1 km tiles and in the form of a single slab in JP2 \- Syntax used for naming tiles: XXXX_YYYY, from the X-Y coordinates in RGF93-CC48 \- Shooting dates: from 16.07 to 2.9.2021 on the territory of Rennes Métropole – summer 2020 outside Rennes Métropole (colorimetric differences are visible between these 2 territories). On the territory of Rennes Métropole, this dataset is composed of 873 slabs of 1 km x 1 km for a volume of about 96 GB in the format JPEG 2000 (JP2) for resolution 5 cm (921 GB in uncompressed TIF format). A map showing the entire flooring, the year of shooting of the slabs and the name of the slabs is annexed to the metadata. The property of the 2021 speech therapy is jointly owned by Rennes, Ville et Métropole, IGN, SDE35 and Megalis Bretagne.