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Leonardo Tonghini edited this page Dec 17, 2019 · 2 revisions

Cross line recognition OpenLapTimer parse 2 consecutive coordinates to verify if a line (start-finish or sector line) is crossed.

The calculation is based on trigonometry. The situation is like the schema below:

schema

For now the timer check only if the line is crossed and then stops the time count in that instant. In order to improve the accurancy the timer, the device have to calculate the exact moment that the vehicle is in IP and sum the time from P1 to IP in the old lap and the time from IP to P2 in the new lap.

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