Issues with shapes export with a custom reference frame

[Guillaumeb89]

Hello everyone, and thanks in advance for your help.

    I created a DEM using a custom coordinate system defined by three reference points.
    I then generated the corresponding orthomosaic.
    I manually drew shapes on the orthomosaic.

✅ I can export the orthomosaic correctly (Metashape allows me to export it in "Local Coordinates").
📌 This works perfectly because I can then import it into Global Mapper using any orthonormalized CRS to work on it

❌ However, I have a problem exporting the shapes:

    I cannot export them in the same Local CRS.
    As a result, I cannot overlay the shapes with the orthomosaic in other software like Global Mapper.

👉 Can anyone help me?

[Guillaumeb89]

Hi,

I've a found a solution (chatgpt found)

Since on my Polylines, when I right click, coordinates are shown in local frame, I'v made a python commande to export it. Its attached


regards