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. 2019 Aug 2;19:163. doi: 10.1186/s12862-019-1490-4

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — PastView solving process. The solving process of PastView includes five steps (1–5). The first step is dedicated to the input of an analysis (e.g. loading a tree and its annotations, importation of ancestral annotation). Step 2 is related to tree and annotations edition (settings of colors to annotations, tree view management, etc.). The step 3 of the solving process is related to the computing and displaying of ancestral annotations. Step 4 is dedicated to the study of ancestral annotations transitions. The last step is related to comparative analysises, such as visualizing different ancestral annotations sets for a given tree