[gdal-dev] Coordinate transform from coordinate reference systems with different datum error in GDAL3.0.0

[Even Rouault]

On vendredi 31 mai 2019 12:59:11 CEST Changhai Chen wrote:
> Hello, I would like to ask:
> When I use GDAL 2.3.3 with proj4_4.9.3, I can convert the coordinate from
> EPSG:4326 to EPSG:4326+5773(egm96_15.gtx) correctly with elevation value.
> But when I use GDAL 3.0.0 with proj4_6.1.0, the elevation value of
> coordinate unchange (Proj.db and egm file are found). The problem occur
> when I convert from WGS84 to Beijing54 too.

Use EPSG:4979 (WGS84 3D) as source CRS.

Even

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