CHESSBOARD

The CHESSBOARD node is a generator that renders a chessboard pattern as an image stream. It produces the calibration target itself (rather than detecting one), which is useful for displaying a known pattern on a screen or projector – for example to calibrate a camera or a display with the DISTORTION node.

Properties

• Running: Generate frames (the pattern is redrawn on a timer at roughly 60 Hz).

• Rows / Columns: The number of squares drawn along each dimension of the board.

• Height: The height of the generated image; the square size and overall width follow from the height and the row/column counts.