Robert Oostenveld

ft_write_mri should use `mri.coordsys` when writing data to nifti file

1

Where possible, the `coordsys` should be translated in an `sform_code` or `qform_code` (0, 1, 2, 3, 4) so that upon reading of the file (with ft_read_mri) the coordinate system can...

ft_electroderalign should work both on electrode and on channel positions

3

ft_electroderalign currently requires electrode and channel positions to be identical, which is not the case when electrodes are for example combined into channels in a bipolar montage along an sEEG...

**Is your feature request related to a problem? Please describe.** This relates to https://github.com/fieldtrip/website/pull/444 which aims to extend the list of well-defined coordinate systems. I believe that `scanras` (aka NIfTI)...

the output of the examples in test_data2bids should pass the validator

6

as identified in https://github.com/fieldtrip/fieldtrip/issues/1844#issuecomment-900972946

This was identified in https://github.com/fieldtrip/fieldtrip/issues/1844#issuecomment-900914622. In case the count of channels of a certain type is zero, it should not be added as metadata field, as it is only confusing.

After quantifying performance bottlenecks and prioritizing certain high-level or low-level FieldTrip functions (see #1851), performance enhancements can be implemented by refactoring the code or using MEX files.

remove orphaned neighbour templates

5

It does not make sense to distribute neighbour templates in case there is no corresponding template layout or template 3D electrode positions. In that case it is not possible to...

The `ft_datatype_dip` function has been empty since 2011, i.e. the structure that describes dipoles is still not properly defined. The only thing that `ft_datatype` knows about it is that it...

make the prewhitening consistent across the codebase

1

This applies to ft_dipolefitting, ft_denoise_prewhiten and ft_inverse_mne

dipole.dip.mom is not update by ft_convert_unit...

4

whereas it (probably) is expressed in Am. Furthermore, I shoudl also check ft_warp_apply to see whether it applies a rotation to the dipole moment.