cc/cirrus_work: revision graph

graph

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new plots various
Tue, 05 Dec 2023 19:49:29 +0000, by Henry S. Thompson
get single graph working, tweak params various
Tue, 05 Dec 2023 19:49:11 +0000, by Henry S. Thompson
compute (component) uri lengths and a few other properties
Tue, 05 Dec 2023 10:35:15 +0000, by Henry S. Thompson
with three tracks from two years
Mon, 04 Dec 2023 19:06:13 +0000, by Henry S. Thompson

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