EPSG:CODE

ETRS89-FRA [RGF93 v2b] to ETRS89-FRA [RGF93 v2b] + NGF-IGN69 height (4)

EPSG:9781 → EPSG:9785

Coordinate Reference Systems

Source CRS
EPSG:9781
ETRS89-FRA [RGF93 v2b]
Geographic 3D
Target CRS
EPSG:9785
ETRS89-FRA [RGF93 v2b] + NGF-IGN69 height
Compound

Remarks

Reversible alternative to ETRS89-FRA [RGF93 v2b] to NGF-IGN69 height (4) (CT code 9786). Replaces ETRS89-FRA [RGF93 v2] to ETRS89-FRA [RGF93 v2] + NGF-IGN69 height (3) (CT code 9638).

Frequently Asked Questions

What is the accuracy of the ETRS89-FRA [RGF93 v2b] to ETRS89-FRA [RGF93 v2b] + NGF-IGN69 height transformation?

This transformation (EPSG:9787) has an accuracy of 0.01m using the Geog3D to Geog2D+GravityRelatedHeight (IGN2009) method. Area of use: France - mainland onshore.