Hi @scavendish,
Thank you for the link and the DXF file.
I talked with my colleagues of the PIX4Dcloud and PIX4Dsurvey team, and it seems that the two software are working in a different way.
PIX4Dcloud:
DXF imported as an overlay. The file is imported and rendered “as it is” and cannot be edited. Only visualized.
PIX4Dsurvey:
After the DXF is imported, the elements can be edited, more information can be added, etc.
Also, it seems that another user had a similar request in the “feature request” section. Please go to that thread and “vote” for it, and add a post describing your use case:
Even though we cannot guarantee that a solution will be implemented, I can assure you that every piece of feedback is internally evaluated at Pix4D.