Lifted z-stack assertion, made util.loop_workflow more generic e.g. for on-the-fly data conversion tasks

Lifted z-stack assertion, made util.loop_workflow more generic e.g. for on-the-fly data conversion tasks

Maintain DataFrame index throughout workflow, export patch filenames and complete source filepaths to workflow DataFrame; prepopulate patch UUID

Batch-export 3d patches and table of focus metrics; optionally annotate bounding box at plane of best focus