The State has entrusted the IGN with the development of the Large Scale Benchmark (EGR). In order to do so, it uses its own resources and partnerships with producers mainly from the public sphere. The EGR consists of orthophotographic, topographical and address components, parcel and elevation.

• • EGR specifications: * *

The EGR specifications are accessible from the links referred to below.

• • Download access to EGR data: * *

RGE data under Open Licence, BD TOPO ®, BD ortho ®, RGE ALTI ® can be accessed from the links listed below.

• • EGR access API: * *

All EGR data is available on the web service via Geoportal Geoservices

— consultation services using the WMS and WMTS standard
— WFS standard carrier services
— other geoservices (geo-coding address and parcels, alticodage, etc.)

The access URLs are indicated below. Documentation on the use of geoservices can be found on [https://geoservices.ign.fr/] (https://geoservices.ign.fr/documentation/services)

• • Signal and feedback on EGR: * *

The IGN offers several reporting channels:

— on the [Geoportal site] (https://www.geoportail.gouv.fr/carte), via the tool section/report an anomaly
— via the dedicated service [spacacecollaboratif.ign.fr] (https://espacecollaboratif.ign.fr/), requiring prior registration. The collaborative space offers a [API] (https://espacecollaboratif.ign.fr/api/doc/georem) and plugins for software [Geoconcept] (http://logiciels.ign.fr/?-RIPart-Geoconcept-), [ArcMap] (http://logiciels.ign.fr/?-RIPart-ArcMap-) and [QGIS] (http://logiciels.ign.fr/?-RIPart-QGIS-).
— via the collaborative space app available on Android https://play.google.com/store/apps/details?id=fr.ign.guichet&hl=fr and iOS https://itunes.apple.com/tw/app/id1245621439.