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Extracting data from point clouds

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thebionicman
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We have started using point cloud data on an experimental basis. So far I am unimpressed with the ability of vendors to pount us to a good product for data extraction.

Does anyone have recommendations for software to extract or generate precise breaklines and other linework? Feel free to send lengthy replies to the email in my profile. Vendors are welcome.

Thanks, Tom


 
Posted : December 1, 2017 1:57 pm
jimmy-cleveland
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Talk to?ÿspledeus. He shared some information with me, and it appears that he uses this type of data on a regular basis.


 
Posted : December 1, 2017 6:16 pm
leegreen
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As far as I know there is no application that automatically extracts "true" breaklines from a point cloud.

Carlson Point Cloud claims to do this automated process more than most. Other apps like Context Capture and TopoDot require a lot of human interaction?ÿ yet these apps make it easier to create true breaklines.


 
Posted : December 1, 2017 7:53 pm
jacob-wall
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Haven't used it myself but saw some really sweet demonstrations of 3DReshaper. Might be worth a look.


 
Posted : December 1, 2017 11:39 pm
spledeus
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Hi, I have been using a few programs. What sort of cloud data are you using? Aerial, Static, Mobile, Drone? I am using it all (just getting into drone). My route was not as direct as I would recommend:

Quick Terrain Modeler - This software is a tool in the toolbox that I use for videos, QAQC and major transformations. You can do these in [REDACTED] too, but I went in this direction for some reasons.

FARO Scene - This will extract some stuff but I just use it for registrations.

Carlson Point Cloud - I chose this because of the support Carlson gives. I have had Dave Carlson and Paul Nixon (lead programmer for cloud) watching me like some animal in a zoo as I work through their program. They gave pointers and took notes. Once you get away from the aerial and into the extraction of your own data, it is a great choice for the surveyor. You can import your Field to Finish codes and you virtually survey the cloud. I have a few recommendations for the .FLD file and I do need to modify my own as some codes are too long. One tip is to increase the vertical scale by 4 to really see the breaks as you are extracting.

Certainty 3d TopoDot - This is a premier software that requires MicroStation. I have it in my office and others are trained on it. It is great for mobile clouds.


 
Posted : December 2, 2017 8:03 pm