EPSG:CODE

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

EPSG:9781 → EPSG:5720

Coordinate Reference Systems

Source CRS
EPSG:9781
ETRS89-FRA [RGF93 v2b]
Geographic 3D
Target CRS
EPSG:5720
NGF-IGN69 height
Vertical

Remarks

Replaces RAF18 geoid model. Accuracy at each grid node is in the geoid model file. Recommended interpolation method is bilinear. For reversible alternative see ETRS89-FRA [RGF93 v2b] to ETRS89-FRA [RGF93 v2b] + NGF-IGN69 height (4) (code 9787).

Frequently Asked Questions

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

This transformation (EPSG:9786) has an accuracy of 0.01m using the Geographic3D to GravityRelatedHeight (IGN2009) method. Area of use: France - mainland onshore.