Renders the detected chessboard corners

im = cv.drawChessboardCorners(im, patternSize, corners)
im = cv.drawChessboardCorners(..., 'OptionName', optionValue, ...)

Input

• im Source image. It must be an 8-bit color image.
• patternSize Number of inner corners per a chessboard row and column (patternSize = [points_per_row, points_per_column]).
• corners Array of detected corners, the output of cv.findChessboardCorners.

Output

• im Destination image.

Options

• PatternWasFound Parameter indicating whether the complete board was found or not. The return value of cv.findChessboardCorners should be passed here. default true

The function draws individual chessboard corners detected either as red circles if the board was not found, or as colored corners connected with lines if the board was found.