calibration panel number of dots

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3dxcan
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Joined: 02 Jun 2017, 17:21

calibration panel number of dots

Post by 3dxcan » 12 Mar 2018, 07:36

Is it possible to use a calibration panel with more rows and columns of dots than the standard files? (to cover larger area of the camera view when calibrating)

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Micr0
Posts: 272
Joined: 15 Nov 2016, 15:20

Re: calibration panel number of dots

Post by Micr0 » 13 Mar 2018, 01:45

3dxcan wrote:
12 Mar 2018, 07:36
Is it possible to use a calibration panel with more rows and columns of dots than the standard files? (to cover larger area of the camera view when calibrating)
Yes. In fact I recommend it. Especially if you are using a projector with a 16:9 aspect ratio. I make my panels with 7 columns and and 7 rows. The more dots you have, the more information David has to calibrate with.
µ

illbefucd2
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Joined: 26 Feb 2018, 06:18

Re: calibration panel number of dots

Post by illbefucd2 » 16 Jul 2018, 13:39

Could someone advise...……. The definition of calibration scale ? that we enter into the software ?
Is it the distance between each marker or between 5 markers.

Thanks in advanced :)

illbefucd2
Posts: 7
Joined: 26 Feb 2018, 06:18

Re: calibration panel number of dots

Post by illbefucd2 » 17 Jul 2018, 22:36

No One ? :(

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Micr0
Posts: 272
Joined: 15 Nov 2016, 15:20

Re: calibration panel number of dots

Post by Micr0 » 18 Jul 2018, 13:44

illbefucd2 wrote:
17 Jul 2018, 22:36
No One ? :(
The calibration scale is the distance between 5 dots (center to center). So a 100mm panel would have dots 25mm apart from each other (again center to center)
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illbefucd2
Posts: 7
Joined: 26 Feb 2018, 06:18

Re: calibration panel number of dots

Post by illbefucd2 » 21 Jul 2018, 22:57

Thanks so much for your reply.
I thought it was that ...but given there were no numbers on the scale I figured cant hurt to ask.

I'm very impressed with my scans so far.
But I have a long way to go.

Is the RMS value you see, the level of correction of the panels between the dots?
I have it at 0.2
Is that ok number or I could go better?

Thanks for your help again.

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