Tactile Graphic
Also known as: Tactile Image, Raised-Line Graphic, Tactile Diagram
A physical representation of visual information that uses raised lines, textures, and relief to convey images, diagrams, maps, and other visual content through touch. Tactile graphics are essential for blind and visually impaired people to access visual information in education, navigation, and professional contexts. They are produced using methods such as swell paper (microcapsule paper heated to raise printed areas), embossing, 3D printing, or thermoform. The Braille Authority of North America (BANA) publishes guidelines for creating effective tactile graphics, emphasizing clear outlines, simplified details, elimination of unnecessary visual elements, and absence of perspective. Generating tactile-compatible content from digital sources remains a significant accessibility challenge.
Category: assistive technology · visual impairment
Related: Tile-Based Interface · Sonification