Transformation ellipsoid height into DHHN2016

[GeodatIQ]

Hello, we have a project where we have to transform our pictures from ETRS89 and ellipsoid heights to GK and DHHN2016. I downloaded the Geoid tif file and put it in the Metashape folder.
When I am trying to adjust the system in Metashape to GK + DHHN2016 I get the following error message: "Selected vertical datum is unavailable. Please configure datum transformation."
Does somebody know what the problem could be?

Thanks a lot

[Paulo]

Hello,

please confirm that the downloaded geoid file (GCG2016.tif) is in the Metasahape geoids folder either in C:\Users\<user>\AppData\Local\Agisoft\Metashape Pro\geoids or  C:\Program Files\Agisoft\Metashape Pro\geoids.

[GeodatIQ]

Hello, thanks for the answer.
Yes the file is there and it works since I can transform to etrs89+ DHHN2016 but not to GK + DHHN2016

[Paulo]

Ok,

could you specify what is GK Coordinate system?

[GeodatIQ]

It is DHDN / 3-degree Gauss-Kruger zone 3

[Paulo]

I see.

since the DHDN datum is not geo centered as ETRS89, you must create a new geoid file referenced to this DHDH datum.

Follow this link to get correct geoid file for DHDN  https://drive.google.com/file/d/1XjF80NvrDSYjUjhlBoxbjRo5IbRVAKS8/view?usp=drive_link

Hope this can work,

PS. in attachment how DHDN / 3-degree Gauss-Kruger zone 3 + DHHN2016 height is setup..

[GeodatIQ]

Thank you very much, I will try that.
Can you accept the access request to the google drive pls.

[GeodatIQ]

Thank you very much for your help!
It worked with your file.