Fix single field issue in _compute_z_spacing #141
Merged
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Currently, when processing an ImageXpress dataset with a single field per well, the
StackAcquisition._compute_z_spacing
returns an error like:The reason being that the
_compute_z_spacing
filters for unique fields, but that filtering fails when fields aren't set (=> are None in the fields table).A minor change to first check if there are any field of views before filtering the files list solves the problem and makes single field examples I have convertable. I don't have any tiny datasets to show the full workflow, but the newly added tests fail in the current faim-ipa version and pass with this minor adaptation.