Faro Scene Alignment tools

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bdawood
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Faro Scene Alignment tools

Post by bdawood »

We work with Navisworks and CAD models and having a hard time aligning the scan to the model. Can the Faro Scene guys come up with a simple method to do that without going through so many complex steps?
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Re: Faro Scene Alignment tools

Post by Raimund58 »

bdawood wrote: Wed Jul 01, 2020 6:51 pm We work with Navisworks and CAD models and having a hard time aligning the scan to the model. Can the Faro Scene guys come up with a simple method to do that without going through so many complex steps?
Hi,
There is indeed a few ways. It depends on the problem you have.
You can for example do this if you mark a plane:
2020-07-02 09_40_35-Window.png
BEWARE: This will change the transformation on "Workspace" level!
Kind regards
Raimund Klink
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Re: Faro Scene Alignment tools

Post by pomped »

Stay tuned for the next SCENE version that should be announced soon...
bdawood
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Re: Faro Scene Alignment tools

Post by bdawood »

Thanks Guys, I know about the directional alignment, it works very well, my issue is in having the scan in the same coordinate as the model, or basically, registering the scan against the model, hopefully, this will be addressed in the new Scene coming soon.
Raimund58
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Re: Faro Scene Alignment tools

Post by Raimund58 »

bdawood wrote: Thu Jul 02, 2020 9:16 pm Thanks Guys, I know about the directional alignment, it works very well, my issue is in having the scan in the same coordinate as the model, or basically, registering the scan against the model, hopefully, this will be addressed in the new Scene coming soon.
Well, it would be easy if you had laid out a local coordinate system before scanning. With the same points in the model and point cloud/reality.
But if you want to see the transformation of your point cloud to your model you can go two directions.
You can convert your model through eg 3dsmax to .wrl and import that .wrl into SCENE.
Or you export your point cloud to .rcp/.rcs and import that into your CAD software.

I would recommend Navisworks since it is a really strong and fast tool!
2020-07-03 10_41_22-Window.png
This is a fast way to determinate the distance
(Sorry for the German overlay :D )
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Re: Faro Scene Alignment tools

Post by INV_Scanning »

Hi Bashar,

i think the best way to get CAD and Pointcloud to the same orientation is to use the transformation method for superior coordinate systems to move the pointcloud over your CAD.

For this you need to find at least two points which are visible in both (CAD and PC). More are always better. Make sure that those spots are well spread about the scan area.

1.: Grab the 3d coordinates of the chosen spots out of your CAD model
2.: Create a new cluster on top level in SCENE and put in your local registered cluster (make sure scan manager is locked)
3.: Create a new folder on top level called "References" (the naming must be correct)
4.: Put in new points to the folder "References" and type in the coordinates.
5.: Go to the scan views and mark the same points you took out of your model. Name them like their corresponding points in the reference folder.
6.: Walk through registration for the top cluster.

Hope that helps!

Regards Sebastian
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Re: Faro Scene Alignment tools

Post by Emanuele »

Raimund58 wrote: Thu Jul 02, 2020 8:43 am
bdawood wrote: Wed Jul 01, 2020 6:51 pm We work with Navisworks and CAD models and having a hard time aligning the scan to the model. Can the Faro Scene guys come up with a simple method to do that without going through so many complex steps?
Hi,
There is indeed a few ways. It depends on the problem you have.
You can for example do this if you mark a plane:
2020-07-02 09_40_35-Window.png
BEWARE: This will change the transformation on "Workspace" level!
Kind regards
Raimund Klink
Good morning,
Does rotation only occur around the Z axis using this alignment method or does it also involve X and Y rotations?
I doubt that the operation "verticalizes" the wall on which the plane has been defined, which is not said to be perfectly vertical.
Thank you
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Re: Faro Scene Alignment tools

Post by Leandre Robitaille »

Hi Emanuele
It only rotates using the Z axis, this is for every planes, even tilted planes. You can confirm this by looking at the transformation missmatch for the inclinometers within the scan properties before and after doing the allignement.
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Re: Faro Scene Alignment tools

Post by Emanuele »

Leandre Robitaille wrote: Fri Mar 12, 2021 6:20 am Hi Emanuele
It only rotates using the Z axis, this is for every planes, even tilted planes. You can confirm this by looking at the transformation missmatch for the inclinometers within the scan properties before and after doing the allignement.
hi Leandre,
I thank you for the answer!!
I hadn't thought of verifying the transformation of inclinometers!
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Re: Faro Scene Alignment tools

Post by kh@faro »

Hello Everyone,

I would like to know if you had the chance to try the new alignment tools released with SCENE 2020.0 and if those could help solve your problems. Please provide feedback, if you encounter problems which you cannot address with tools provided. The same holds for other issues in any case.

We have identified many opportunities how we could add more useful functionality to the alignment dashboard, but we would love to hear from the users what they can already achieve and which functionality they are missing.

Kind regards

Konstantin
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