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DAVID-Laserscanner Forum • View topic - [Solved] Autostop
Dear DAVID Community,

As you are probably aware, the entire DAVID company, team and product range has been integrated into HP Inc.
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[Solved] Autostop

If you found a bug, please post it here and we will try to eleminate it as soon as possible.

[Solved] Autostop

Postby Bongobat » Sat Sep 21, 2013 7:41 pm

Haven't been scanning in a while and just downloaded 3.8.1. Wanted to use my old automated laser setup with planes but something is different maybe? Why does the auto stop only works for planeless repetition scans now? I was able to automate a regular (with background planes) scan before. I can not see how to do an automated scan using planes in this version, that seems odd. It also looks like the auto stop uses a set recorded distance, I presume the recorded laser motion and that is why it probably only works in repetition? In some previous versions it stopped when no laser light was detected signaling the end of a scan when using the 90 degree corner. Am I wrong or is the old autostop gone? If it is gone can we please bring it back it seems necessary to do automated scanning with a setup that is using a corner on every scan. I can't see why this would be removed so I am thinking it is a bug maybe.

EDIT:
Also noticed that the "manual movement" buttons are only in the planeless scanning setup but wouldn't they be also useful for regular scanning to quickly set the start there too?

Greg
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Re: Autostop

Postby WalterMo » Mon Sep 23, 2013 11:56 am

Hello Greg,

Good to hear from you!
My last laser scan was made more than (I think) one year ago. So I am not up to date what parts of the DAVID software regarding motor scanning were changed/modified in the meantime.
Since Sven and me designed a controller for planeless scanning and DAVID 3 came up all automatic motor scanning functions in the DAVID software were geared to this device:
viewtopic.php?f=6&t=2421
Sven has such hardware in his office and I am sure he had tested DAVID updates therewith.

But today I have built-up a simple set-up and tested laser scanning with my ARDU 3 controller and with the last DAVID version 3.8.1.

First test was made with background planes. I set the COM port address for the Arduino and chose 'Motor Scanning'. Here I set a hook to 'Record New Motion' and chose a suitable 'Motor Speed'. After 'Start' the scan began and didn't stop automatically when the laser line left the camera image. OK, I had to do it. But after my hand-stop the laser returned to its start position and I could save this scan. If you choose each time 'Record New Motion' DAVID doesn't go to planeless scanning.

Second test without planes. 'Record new Motion', scan of the empty corner, removed the corner, placed the object in scene and started the (repetition) scan. All worked fine.

Walter
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Re: Autostop

Postby Sven » Mon Sep 23, 2013 12:16 pm

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Re: Autostop

Postby Bongobat » Mon Sep 23, 2013 5:22 pm

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Re: Autostop

Postby Sven » Wed Sep 25, 2013 3:56 pm

I have looked into the code, and thought about AutoStop. Actually it's not a big problem, and I see that it may be useful even for hand scanning in some cases. Definitely for motor scanning.
I have implemented it, see upcoming DAVID 3.9! Advanced Settings -> Laserscanning -> "AutoStopTimeout"

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Re: Autostop

Postby Bongobat » Sun Sep 29, 2013 8:12 pm

That is great news Sven. Thanks so much!
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