Help! Can't get at 'Data' folder in built app

Moving my app to Pi with raspbian jessie… OF 0.9.8
Trying to use ofSetDataPathRoot to get at a folder called ‘graphics’ in my ‘data’ folder.

App is fine in Xcode, and it compiles ok on raspberry pi but I can’t seem to point it at the folder.
I’m loading a few images from the graphics folder but on the Pi it doesn’t seem to find them.

Getting a bit desperate as I need to get this done by tonight… :frowning:

Any good ideas welcome.

TIA

Never got ofSetDataPathRoot to work… I guess nobody uses it very much??

If I put the graphics in the data folder directly it seems ok in both Xcode and on RPI builds.