Home Contents | # touch:calibrate | Touch | Core4 Lua Event System

## SYNOPSIS

touch:calibrate()

## DESCRIPTION

Most types of touch screen hardware need to be calibrated before first use. During calibration the user is asked to touch the screen at a few indicated spots. Calibration is handled by running a separate calbration program. The current application stops while the calibration runs.

After calibration, the contents of the display is undefined. The application needs to repaint the screen contents.

## SEE ALSO

touch:calibration