Can anyone from the US chime in on this one? Is there a way to change units from ha to ac on the prescription?
It is possible to change the units to feet. This will apply to the reconstructed model and all the outputs. In other words, you will be able to generate an index map in acre. You can find the step by step instructions in the article:
For more information about index and prescription maps: https://support.pix4d.com/hc/en-us/articles/204631495