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True Optimal Lap
This feature uses advanced algorithms to create a composite of your optimum achievable time, based on lines you actually drove and can repeat. The following compares this new feature with the current industry standard.
Current Industry Standard:
Each theoretical fastest lap is split up into a number of sectors (3–10, or more). Other systems then take the fastest time from each sector and add it up to give the user their theoretical fastest lap time possible. The issue with this is you might compromise one sector to make another sector faster. This will cause you to end up with a lap which cannot be driven.
Example: In order to make turn 3 really fast, you have to exit turn 3 on the right side of the track. However, to make turn 4 fast, you have to enter turn 4 on the left side of the track. Based on the laws of physics your car cannot instantly jump from the right side of the track to the left side of the track (assume the turns are really close to one another). Therefore, you cannot actually drive those two different lines around those turns back to back.
True Optimal Lap:
Takes into account a whole host of data and is constantly (thousands of times per lap) looking at where two laps can be joined together. This results in a true optimal lap which not only can be driven but is made up of any similar data (dry/wet) from a racing session. Selecting the correct track conditions (dry/wet) is important to ensure the device can compare data correctly.