Add convenience function to get ply-wise data #1755

Job	Run time
Code style	1m 20s
Documentation build	6m 43s
Documentation style	21s
Tests and coverage (ubuntu-latest, 3.9)	3m 45s
Test with lower-bound dependency versions	3m 53s
Tests and coverage (ubuntu-latest, 3.10)	3m 40s
Tests and coverage (ubuntu-latest, 3.11)	3m 49s
Tests and coverage (ubuntu-latest, 3.12)	3m 51s
Build package	0s
Build wheelhouse for latest Python versions	0s
Release project	0s
Deploy development documentation	0s
Deploy stable documentation	0s
	27m 22s

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