submitted 2 months ago by DirigibleProtein@aussie.zone to c/pics@lemmy.world

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[-] DirigibleProtein@aussie.zone 4 points 2 months ago

What does that mean? I saw it on a concrete pole and I thought it looked interesting.

[-] NerfHerder@lemm.ee 2 points 2 months ago

Its used by a topcon or similar device. The device is used to map out 3D space using these points as Z, Y, Z distance markers from the device.

[-] DirigibleProtein@aussie.zone 2 points 2 months ago

I thought with the target thing it was some kind of survey mark. Thank you for the explanation!

this post was submitted on 05 Aug 2024

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