Catalogue

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The catalogue is a simple way to keep track of the work that has been done on groups of tomograms. This work normally aims at the definition of positions (and possibly orientations) inside each tomogram, so that subvolumes can be defined and cropped, to produce an unique data folder with its corresponding table that can be feed into a project for alignment or classification.

If you have already a set of subtomograms, you have already all the initial orientations you could reasonably extract from the tomograms and you don't want to extract the tomograms again, you probably don't need to define a catalogue. You already have all you need to start designing alignment projects.

Keeping a catalogue is not necessary for cropping particles out of your tomograms. The tools associated with the catalogue can easily be used independently at any stage. We however encourage you to organize your tomograms in a catalogue from the very beginning, as this induces a very smooth workflow and eliminates lengthy administrative overheads that are prone to happen on a later stage.

The main tool to work with catalogues is the dcm GUI, that also provides command line functionality to create, edit an extract information from catalogues. Help on command syntax: dcm

Getting started

The best way to get familiar with the logic of the Dynamo catalogues is by generating a test catalogue for a set of automatically created toy tomograms.