In-car Video for Driver's Schools and Trackdays
#1
In-car Video for Driver's Schools and Trackdays
I've been instructing at the track for a couple of years and was trying to find a (relatively) inexpensive way to integrate video and telemetry data. I wanted it to not be permanently wired to my car so I could take it along when I hop in a student's car too. Here's what I have so far:
If you can't find a place to use the CruiseCam headrest mount, you can use an external camera (in this case a ReplayXD) with a clip-mount and integrate the video to your data later. This took a little experimentation to figure out but here's a relatively painless way to do it. You just need to know the visual reference for your start/end point in Laptimer. If it's a track, it's the start/finish line. I'm using an iMac, I imagine there's a similar path for Windows.)
- CruiseCam In-Car Headrest Camera Mount
- OptrixHD iPhone 4 case with wide-angle lens
- Dual XGPS150 Bluetooth external GPS
- PLX Devices KIWI Wifi OBD-II wireless interface
- Harry's Laptimer Pro software for iPhone
If you can't find a place to use the CruiseCam headrest mount, you can use an external camera (in this case a ReplayXD) with a clip-mount and integrate the video to your data later. This took a little experimentation to figure out but here's a relatively painless way to do it. You just need to know the visual reference for your start/end point in Laptimer. If it's a track, it's the start/finish line. I'm using an iMac, I imagine there's a similar path for Windows.)
- Figure out what the format of your video file is first. If it is a format that the iPhone can understand natively, skip ahead to step #3.
- Convert your video to a format the iPhone will understand. In this case, convert the file from AVI to M4V using Quicktime export.
- Export your video to the iPhone. You can do this in several ways: load the file into your iTunes movie library then sync to the iPhone; attach and send to yourself via email and save from email on your iPhone; or iMessage it to your iPhone and save to the camera roll.
- Review the data your recorded in Laptimer and decide which lap you want to overlay with data. Laptimer overlays data one lap at a time.
- On your computer, find the runtime of the video when that lap ends.
- View the lap data in Laptimer.
- Select Edit.
- Select Add Video.
- Select the video you just uploaded to your iPhone.
- Set the end point of your lap based on the runtime noted above.
- Select the frame in the video matching the end of the timed lap. (Start/Finish line)
- Then select Overlay.
Last edited by gnhovis; 11-29-2012 at 07:51 AM. Reason: corrected sequence
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