3D Solid comparison with Point Cloud

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formbysurveys
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3D Solid comparison with Point Cloud

Post by formbysurveys »

Anyone got any suggestions as to the best way to compare a 3D solid AutoCAD design model with an as-built point cloud and report of the "differences" between the 2?
Andy

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Re: 3D Solid comparison with Point Cloud

Post by tbwester »

formbysurveys wrote:Anyone got any suggestions as to the best way to compare a 3D solid AutoCAD design model with an as-built point cloud and report of the "differences" between the 2?
Many ways to do this. polyworks, reshaper, cloudcompare (free).

A new software just launched, http://skur.com/. Looks like it may be a really good solution. check it out.

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Re: 3D Solid comparison with Point Cloud

Post by formbysurveys »

Thanks Thad

I thought CC would only compare between clouds not a cloud and "something else"? Can it produce a Isopachye between the 2 data sets?
Andy

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Re: 3D Solid comparison with Point Cloud

Post by pburrows145 »

Happy to get you a demo of 3D Reshaper Andy, it will do just this. Cyclone Survey can also compare between a mesh and points, but depends on the model. Reshaper is also a little better on the reporting side in terms of PDF inspection reports with a logo etc.

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Re: 3D Solid comparison with Point Cloud

Post by formbysurveys »

Hi Paul

The two data sets are a point cloud and an AutoCAD solid model (not a mesh). Was hoping to avoid conversion and data types if I can. Everything is on grid, I just simply want to compare the 2 datasets and see the difference.
Andy

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Re: 3D Solid comparison with Point Cloud

Post by gilles_3DR »

Hi,
You will be able to import dwg/dxf files in reshaper too...
Should create a surface which you can compare to your point cloud...

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Re: 3D Solid comparison with Point Cloud

Post by cpw006 »

We've used 3d reshaper for comparing ground surfaces to a mesh and the reporting is nice. I would imagine it would be similar with solid model.

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Re: 3D Solid comparison with Point Cloud

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Re: 3D Solid comparison with Point Cloud

Post by NOVAMECH »

I wouldn't muck around and would go straight to POLWORKS

http://www.innovmetric.com/
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Re: 3D Solid comparison with Point Cloud

Post by mike annear »

Cloud Compare gets my vote, we use it on a daily basis for comparing models to poinclouds.
Regards,
Mike.

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