Quote:
Originally Posted by bgg
We've used a sonic rangefinder which came with fewer headaches but less sophistication and detail than vision processing. This might get the job done for what you need. Mount it centered on the front of the bot and the distance to the wall can be used for calculating shooter speed/shot distance. A voucher from MaxBotix was included in KOP and might be a sensible solution.
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I wouldn't recommend this. We used one last year. We had issues with teams on our alliance driving in front by accident, throwing our shooting off. Near the end of the second regional, we started to clue in that we should probably tell our alliance partners about it. Turns out this was a bad idea. Teams we played with in one match, and against in later matches (including eliminations) only had to SIT infront of us to throw our shooting off.
We had to fall back on our preset shooter values, which weren't nearly as accurate or tuned in as our values from our ultrasonic. We spent all of lunch after alliance selections at our second regional tuning our presets, which we almost entirely used in our elimination matches.