epriestley f91bef64f1 Stack chart functions in a more physical way ... Summary: Ref T13279. See that task for some discussion. The accumulations of some of the datasets may be negative (e.g., if more tasks are moved out of a project than into it) which can lead to negative area in the stacked chart. Introduce `min(...)` and `max(...)` to separate a function into points above or below some line, then mangle the areas to pick the negative and positive regions apart so they at least have a plausible physical interpretation and none of the areas are negative. This is presumably not a final version, I'm just trying to produce a chart that isn't a sequence of overlapping regions with negative areas that is "technically" correct but not really possible to interpret. Test Plan: {F6439195} Reviewers: amckinley Reviewed By: amckinley Subscribers: yelirekim Maniphest Tasks: T13279 Differential Revision: https://secure.phabricator.com/D20506		2019-05-22 05:40:39 -07:00
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PhabricatorFactDaemon.php	Stack chart functions in a more physical way	2019-05-22 05:40:39 -07:00