Possible new survey gear ??

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Possible new survey gear ??

Postby Ralph E. Powers » Oct 19, 2006 12:52 pm

An article about the Tenn. DOT letting cavers survey caves before they (TDOT) build highways had this advertisement along side it... it's one of those things that make you go hmmm. http://www.trimble.com/trimblegx.shtml
Without the possibility of death, adventure is not possible. ~ Reinhold Messner


http://ralph.rigidtech.com/albums.php
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Postby steelwool » Oct 19, 2006 4:02 pm

I'm sure I could break that in less than an hour...
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Postby Aaron Addison » Oct 20, 2006 8:19 pm

I have used that Trimble gizmo above ground. Unless you are going to carry the unit (~40lbs) a tripod, a laptop, and a couple of car batteries with you everywhere, you aren't going to get very far.

It does produce amazing results though. I have scans where you can actually see the joint work on a stone building in 3D. The resolution was set to 3mm.

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edm

Postby caverbill » Oct 23, 2006 2:57 pm

I think most of the underground mine survey use those or similar units now. They must be durable but mines also have machines or conveyors to haul in supplies. I will ask some of the miners I know. I would assume they also have a very big price tag.
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Postby driggs » Oct 23, 2006 7:42 pm

Youch, I don't think that beast would fit into some of the caves I've surveyed in!

Image
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Postby driggs » Oct 23, 2006 7:51 pm

Geary Schindel, of the Edwards Aquifer Authority, recently told me about a project that he worked on in Texas doing a 3-D mapping of the Devil's Sinkhole using LiDAR.

Does anyone know of other similar projects with examples of the 3-D final product? These kinds of technologies sound great in theory (interactive representation of cave volume instead of a flat plan/profile view), but I'd like to see what they produce in the real world.
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Postby driggs » Oct 23, 2006 8:16 pm

driggs wrote:Does anyone know of other similar projects with examples of the 3-D final product? These kinds of technologies sound great in theory (interactive representation of cave volume instead of a flat plan/profile view), but I'd like to see what they produce in the real world.


Note that I'm asking about examples of doing a 3-D survey initially (using LASER, SONAR, RADAR, etc), not a 3-D representation of a "traditional" survey using LRUD to generate a crude 3-D model.
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Postby driggs » Oct 23, 2006 10:12 pm

I've relocated my hijacked discussion to a new thread: 3-D Cave Surveying

Please post about this device here and about 3-D surveying in general in the new thread.
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