FARO Scene sloooooow slow to register 100 scans?

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berdindc
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FARO Scene sloooooow slow to register 100 scans?

Post by berdindc » Fri Apr 21, 2017 5:48 pm

100 scan job that runs all night to register. Everything is in one cluster. Maxing out CPU and half of RAM.

I typically break into smaller clusters but one this job everything is in the same pot, makes no sense to break up. I'm running Scene 5.2 on a good machine. I don't see why it takes 6+ hours to register??

Any thoughts? Was unable to find something similar on the forum.

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Re: FARO Scene sloooooow slow to register 100 scans?

Post by ChrisK » Fri Apr 21, 2017 6:50 pm

I've never registered more than 25 scans in one particular cluster and that took quite a while. Sometimes I'll look at all scans with the point color set to unique for scans, look at the overlap and determine which scans to use in clusters even if its all in the same area.

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berdindc
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Re: FARO Scene sloooooow slow to register 100 scans?

Post by berdindc » Fri Apr 21, 2017 7:34 pm

I get the 100 scan group to work, but takes forever. I've ended up clustering into 20-30 scan groups. Survey control as well.

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Re: FARO Scene sloooooow slow to register 100 scans?

Post by Aaron_Hazen » Tue Apr 25, 2017 6:25 pm

You shouldn't use 100 scan clusters. Buuut If you are dead set on getting them all in a single cluster by the end of the project then you should:

Separate into clusters of 10-20. Top view and cloud to cloud those clusters (put your subsampling ALL the way to the right side because in an open area, this will be multiple magnitudes faster without sacrificing accuracy). Move the clusters into their correct locations relative to one another in correspondence view. (don't forget the z movement)

Then you can disband all you clusters and run a cloud to cloud on the whole thing with subsampling to the right again. Since everything is correctly positioned, it will take FAAAR less time to find the correct result for all 100.

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Re: FARO Scene sloooooow slow to register 100 scans?

Post by Oxbow » Fri Apr 28, 2017 11:43 pm

Hi,

if you like to register scans with targets and you like also use as option survey control points, please try out pointcab software register.
If you have a good placement, it should be possible between 1 and 2 hours.

http://www.pointcab-software.com/en/mod ... istration/

..Eric

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Re: FARO Scene sloooooow slow to register 100 scans?

Post by RithmSupport » Fri May 05, 2017 1:18 am

berdindc wrote:100 scan job that runs all night to register. Everything is in one cluster. Maxing out CPU and half of RAM.

I typically break into smaller clusters but one this job everything is in the same pot, makes no sense to break up. I'm running Scene 5.2 on a good machine. I don't see why it takes 6+ hours to register??

Any thoughts? Was unable to find something similar on the forum.

Hello Berdin,

It is always best practice to separate your scans out into clusters, regardless if everything is in the same pot. I would say 20 or so scans would be the max you want per cluster. This should be done after import. Then run Top Down + Cloud to Cloud on each cluster.

After you're happy with your registration make sure to lock the scan manager. Then put all your cluster into a parent cluster and repeat Top Down + Cloud to Cloud on the parent cluster (essentially registering together each cluster). After each cluster is registered together, lock the scan manager and you're done.

If you're going to apply survey control, you'll need to drop everything in another parent cluster and run Target Base registration on either the workspace level or the top level cluster. The key is to divide on conquer, working in smaller clusters is much more efficient for your system and for SCENE.

If for any reason you want everything in a single cluster, you can disband all clusters as Aaron mentioned but you won't need to re-run a cloud to cloud as everything has already been registered together.

For advanced laser scanning training covering best practices and advanced SCENE techniques, Rithm offers a training module called The Minimum Viable Workflow, that is the workflow requiring the least amount of steps to get from field to deliverable, without compromising on quality. Get more info at https://rithm.io/product/minimum-viable-workflow/ or contact us directly at CustomerSuccess@rithm.io
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Re: FARO Scene sloooooow slow to register 100 scans?

Post by berdindc » Fri May 05, 2017 7:17 pm

Thanks Nathan. Stilling running scene 5.2 with targets. But yes, any time I've tried large clusters I have issues. Guess I got a bit too ambitious on this one.

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Re: FARO Scene sloooooow slow to register 100 scans?

Post by pburrows145 » Mon May 08, 2017 3:05 pm

Apologies for hijacking the post, but...

Would you like to see if I can arrange a 14 day Cyclone Register trial with some online training? I know a few guys in the states who might be willing to help you out. There's a lot of people using Cyclone for Faro data registration, particularly for larger projects. Let me know and I will put you in touch with the right team.

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Re: FARO Scene sloooooow slow to register 100 scans?

Post by Flem3000 » Mon May 08, 2017 6:31 pm

Paul, we all know you aren't sorry.

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Re: FARO Scene sloooooow slow to register 100 scans?

Post by TommyMaddox » Mon May 08, 2017 7:24 pm

Probably cheaper and quicker to just update to a later version of SCENE. The cloud to cloud registration is pretty decent.

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