Beyond Snapping: Persistent, Tweakable Alignment and Distribution with StickyLines
summary
StickyLines is a guideline system that treats alignment rules as persistent, tweakable guidelines that objects can attach to, detach from, and inherit tweaks from. A controlled 2x2 experiment (12 participants) compares StickyLines to standard align/distribute commands and shows StickyLines is 40% faster and uses 49% fewer actions on hard layouts. Features include multi‑constraint attachment, visualized priority, captured tweak traces (replayable), distribution handles, and contour‑based circular and outline guides.
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chapters (13)
- 0:00Introduction
- 0:25Current challenges
- 1:11Observational study
- 1:38Related work
- 2:30Introducing sticky lines
- 3:28Core functionality
- 3:43Advanced editing features
- 5:47Handling visual alignment
- 7:33Geometric flexibility
- 8:53Performance study
- 10:11Qualitative evaluation
- 11:03Future improvements
- 12:03Q&A session
