Physical Dimensions Ruler Plugin for Mirador 4
I developed mirador-physical-ruler, a plugin for Mirador version 4 that displays a physical dimensions ruler overlay on the viewer. GitHub: https://github.com/nakamura196/mirador-physical-ruler Demo: https://nakamura196.github.io/mirador-physical-ruler/ Background When viewing historical material images published in digital archives, it is often difficult to intuitively grasp the physical size of the original. The IIIF specification defines a Physical Dimensions service that allows embedding physical scale information in a manifest’s canvas. While dbmdz/mirador-plugins physicalRuler exists for Mirador 2 and mirador-ruler-plugin for Mirador 3, no equivalent was available for Mirador 4. ...