Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Ray Casting(also: Raycasting)
- An interaction technique in 3-D environments where an invisible ray is projected from a point (such as a user's finger position or controller) into the virtual scene to determine which object the ray intersects first. In VR accessibility, ray casting translates 2-D touch input…
- Remote Accessibility Assessment(also: Virtual Accessibility Assessment, Pre-Visit Accessibility Check)
- The practice of evaluating the physical accessibility of an unfamiliar environment without being physically present. Wheelchair users and others with mobility disabilities routinely assess spaces in advance to avoid dangerous, inaccessible, or frustrating situations. Current…
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