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Hi.

I’ve been tasked with projecting data from a local coordinate system to an official one.

The local coordinate system transformation can be handled with PROJ, but is not necessarily part of the standard PROJ deployment.

Q1: If I add these files to the Reproject/ProjData folder, will FME/PROJReprojector then automatically use them for the transformation ?

Q2: Will FME automatically download any necessary (standard) files from PROJ if they’re not found locally ?

Q3: And am I correct in understanding that FME 2025.1 and 2025.2 (beta) embeds PROJ 9.5.0 ?

Cheers.

Hi ​@lifalin2016 great questions! I’ll answer them below:

  1. You will need to copy the db to the ProjData folder of the user directory that has FME installed for FME to use. For more information on file paths and priority you can review our documentation here under “PROJ User Data”: https://docs.safe.com/fme/html/FME-Form-Documentation/FME-Transformers/Transformers/projreprojector.htm
  2. Yes, the PROJReprojector has the most up to date library out of all our reprojection transformers as it is pulled down automatically if not found in your files.
  3. We have been using PROJ 9.5 since FME 24.2

I hope this answers your questions! Happy FMEing

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