Romain Hugonnet

In the meantime, the `volume.py` tools of xDEM are slightly documented with user warnings in the API/doc page/gallery example that they will likely get moved.

Thanks @atedstone! I was just chatting with @trchudley about this again this morning. > Where would the line stop here? Good point! That's indeed the delicate decision :sweat_smile:. My thoughts...

@adehecq @friedrichknuth Would be good to get your opinion on this, as it's very relevant to your current work & tools :wink:

Alternatively, if the objective is to fit an outlier-resilient 2/3D plane, we might have existing functionalities for this in `biascorr.py` and `fit.py` we could re-use, already used for Deramping: https://xdem.readthedocs.io/en/stable/biascorr.html#deramping?...

Because we can now pass any `fit_optimizer` manually for all `Coreg` classes, we should probably remove the `sklearn` optional dependency as well, and simply better exemplify in the doc how...

Resolved by #727