Each species is either marked or unmarked. All species that are marked are called marked species. In order to handle multiple sets of marked species we use configurations ( = selections of species).
Several operations are possible with the configurations:-
STORE (save a (new) configuration)
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EXTRACT (= unmark all, then mark those from configuration)
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MARK/UNMARK/INVERT (mix currently marked species with those marked in configuration)
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COMBINE (unmarks all that are not in configuration. This does an intersection between the currently marked species and the selected configuration)
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DELETE (delete a configuration)
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RENAME (rename a configuration)
Each configuration has a unique name and is part of the database. The current tree displayed within the ARB_NT main window is stored with the configuration.
ARB_EDIT4 may load all marked species or all species stored in a configuration.
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