Tabletop Projection Mapping
Turn any white table into an interactive display with a projector, a webcam and a laptop.
Open the projected lessons in a browser window on the projector and press F for fullscreen. Calibration is saved in this browser and shared between lessons.
- 01 · Test PatternThe projector is a second monitor: aim, focus, size the image.
- 02 · Corner PinDrag four corners so content drawn in millimetres lands on the table.
- 03 · CameraChoose the webcam and learn what it sees. (Open on the laptop screen.)
- 04 · Camera CalibrationClick four targets: camera pixels → table millimetres.
- 05 · TouchDetect hands and objects, and make ripples where they are.
- 06 · SandboxA starter sketch for your own interactive table.
Guides
- Concepts: coordinate spaces, homographies, sensing, the feedback problem
- Hardware & physical setup: projector, webcam, mounting, room