Data Analysis Fundamentals: Finding GPS Coordinates
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Finding GPS Coordinates
01.12
| 00:00 | - If you're using GPS for your lap trigger, the logger's going to need the coordinates of the start/finish line. |
| 00:05 | The logger is going to use these coordinates to determine when you start and finish each lap. |
| 00:10 | When you get these coordinates, you'll want to be standing in the middle of the start/finish line. |
| 00:14 | The reason we start in the middle is because the logger actually uses a detection radius around the point that you measure. |
| 00:20 | The purpose of the detection radius is that it gives you some float over your position on track to allow the lap trigger to still be triggered. |
| 00:27 | When it comes time to choose that radius, you want to make sure that it encompasses the full width of the track. |
| 00:33 | That means that regardless of which position you are on track, the car will trigger the lap trigger. |
| 00:38 | You do need to be careful when choosing the size of that radius. |
| 00:40 | It's fine to make it large but if you make it too much larger, it will end up picking up other sections of the track. |
| 00:47 | For example if you've got a section of track that passes the opposite direction of the start/finish line, relatively close to the start/finish line, if you make it too large, that detection radius will mean as the car comes through that other part of the track, it can make a fake lap trigger. |
| 01:01 | Once you know it's safe to head out on the track and record these coordinates, you can just grab your phone and any basic GPS coordinate app and head out and get those coordinates. |
