multi-camera software from the Straw Lab

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Jun 11

Unable to use xml file, skew not supported

Hello all, I am cmurrently setting up my system with Basler cameras and calibrating braid. I followed

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Unable to use xml file, skew not supported

Hello all, I am cmurrently setting up my system with Basler cameras and calibrating braid. I followed

Jun 11

Floris van Breugel, Andrew Straw3

Jun 4

broken trajectories, missing 2d data, dropping frames

Hi Andrew, That seems to have done the trick, thanks! I confirmed that I no longer see the dropping

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broken trajectories, missing 2d data, dropping frames

Hi Andrew, That seems to have done the trick, thanks! I confirmed that I no longer see the dropping

Jun 4

Apr 22

Alpha Release 0.12.0-alpha.5 of Strand Camera and Braid

Hi All, I'm happy to announce the next alpha release of Strand Camera and Braid. A couple

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Alpha Release 0.12.0-alpha.5 of Strand Camera and Braid

Hi All, I'm happy to announce the next alpha release of Strand Camera and Braid. A couple

Apr 22

Feb 5

Alpha Release 0.12.0-alpha.4 of Strand Camera and Braid

I would like to announce the alpha release of Strand Camera and Braid 0.12.0-alpha.4. These programs

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Alpha Release 0.12.0-alpha.4 of Strand Camera and Braid

I would like to announce the alpha release of Strand Camera and Braid 0.12.0-alpha.4. These programs

Feb 5

Floris van Breugel, Andrew Straw4

Feb 5

remote cameras with >1 computer (token issue)

Hi Floris, Thanks for the follow-up. Perhaps a slightly better link for the alpha release is this one

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remote cameras with >1 computer (token issue)

Hi Floris, Thanks for the follow-up. Perhaps a slightly better link for the alpha release is this one

Feb 5

Floris van Breugel, Andrew Straw2

Feb 5

camera setting filename type options and syntax

Hi Floris, For Basler cameras, camera settings are stored in a “.pfs" file. Read more about it

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camera setting filename type options and syntax

Hi Floris, For Basler cameras, camera settings are stored in a “.pfs" file. Read more about it

Feb 5

Antoine Cribellier, Andrew Straw3

5/10/23

Camera url in braid

Dear Andrew, Thanks and indeed such solution would be really handy. Best, Antoine Le mardi 9 mai 2023

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Camera url in braid

Dear Andrew, Thanks and indeed such solution would be really handy. Best, Antoine Le mardi 9 mai 2023

5/10/23

Floris van Breugel, Andrew Straw3

4/14/23

using auxiliary cameras for calibration purposes

Excellent, that's what I thought but wanted to check. Thanks!! - Floris On Friday, April 14, 2023

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using auxiliary cameras for calibration purposes

Excellent, that's what I thought but wanted to check. Thanks!! - Floris On Friday, April 14, 2023

4/14/23

Nicolas Nagloo2

1/27/23

cannot convert to or from flydra xml

Hi All, I have fixed the problem i was having! This error was caused by having floating point numbers

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cannot convert to or from flydra xml

Hi All, I have fixed the problem i was having! This error was caused by having floating point numbers

1/27/23

David Stupski, Elhanan Ben Yishay3

12/12/22

Checkerboard Calibration Crashing Braid 0.12.0

Hi David, I just saw your message now. I have the same issue with Braid + Basler Ace2 cameras +

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Checkerboard Calibration Crashing Braid 0.12.0

Hi David, I just saw your message now. I have the same issue with Braid + Basler Ace2 cameras +

12/12/22

rpmpi...@gmail.com, Andrew Straw9

6/21/22

Braid compiled for ubuntu 22.04

Dear Remco, I'm glad to hear the triggering works. The April Tag file naming feature should be

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Braid compiled for ubuntu 22.04

Dear Remco, I'm glad to hear the triggering works. The April Tag file naming feature should be

6/21/22

David Stupski, Andrew Straw2

5/14/22

Bad Magic File Number for .braidz files?

Dear David, Pardon my late reply -- I had missed your message until just now. Is this still an issue?

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Bad Magic File Number for .braidz files?

Dear David, Pardon my late reply -- I had missed your message until just now. Is this still an issue?

5/14/22

Annika Rings, Andrew Straw2

5/14/22

Question about building strand-cam

Dear Annika, Please pardon my late reply -- somehow this message escaped my notice until just now.

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Question about building strand-cam

Dear Annika, Please pardon my late reply -- somehow this message escaped my notice until just now.

5/14/22

Antoine Cribellier, … Andrew Straw12

1/14/22

Hardware requirement: CPU and GPU (CUDA)

Dear Andrew, We received the new PC with a Intel Core i9-12900K, and I just run the same tests with

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Hardware requirement: CPU and GPU (CUDA)

Dear Andrew, We received the new PC with a Intel Core i9-12900K, and I just run the same tests with

1/14/22

12/15/21

Re: Calibration issues

Hi Elhanan, (Sorry for my slow response.) I don't have any great idea. My only suggestion is to

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Re: Calibration issues

Hi Elhanan, (Sorry for my slow response.) I don't have any great idea. My only suggestion is to

12/15/21

Aaron Allen, Andrew Straw3

12/10/21

uFMF (version?) not able to be read by other software.

Dear Andrew, Thanks for the rapid response. I agree that adding support for CTrax style uFMF to

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uFMF (version?) not able to be read by other software.

Dear Andrew, Thanks for the rapid response. I agree that adding support for CTrax style uFMF to

12/10/21

Aaron Allen, Andrew Straw6

12/7/21

Bug with Pylon software (presumably) associated with the "Maximum Transfer Size"

Good afternoon, The fix in 0.11.1 regarding MaxTransferSize has solved my issue with frame rates and

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Bug with Pylon software (presumably) associated with the "Maximum Transfer Size"

Good afternoon, The fix in 0.11.1 regarding MaxTransferSize has solved my issue with frame rates and

12/7/21

rpmpi...@gmail.com, Andrew Straw6

12/6/21

Setting the maximum USB data transfer size

Hi Andrew, This morning I tested version 0.11.1 with MaxTransferSize at max we can now connect all

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Setting the maximum USB data transfer size

Hi Andrew, This morning I tested version 0.11.1 with MaxTransferSize at max we can now connect all

12/6/21

12/4/21

Release 0.11.1 of Strand Camera and Braid

I would like to announce the release of Strand Camera and Braid 0.11.1. These programs are meant for

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Release 0.11.1 of Strand Camera and Braid

I would like to announce the release of Strand Camera and Braid 0.11.1. These programs are meant for

12/4/21

12/2/21

Release 0.11.0 of Strand Camera and Braid

Whoops, I used the link for this Google Group. The correct URL is https://groups.google.com/g/

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Release 0.11.0 of Strand Camera and Braid

Whoops, I used the link for this Google Group. The correct URL is https://groups.google.com/g/

12/2/21

Renaud Bastien, Andrew Straw2

9/13/21

Modification of the tracker to match our setup

Hi, Good you are making progress. The actual subtraction (in "absolute difference mode") is

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Modification of the tracker to match our setup

Hi, Good you are making progress. The actual subtraction (in "absolute difference mode") is

9/13/21

Renaud Bastien, … Andrew Straw12

8/20/21

IR lights underwater

Thanks for your answer. I am not sure exactly what I would need but I knew that lights were difficult

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IR lights underwater

Thanks for your answer. I am not sure exactly what I would need but I knew that lights were difficult

8/20/21

Elhanan Ben Yishay, Andrew Straw6

7/27/21

Weird calibration alignment (cone instead of cylinder)

I just released Braid 0.10.1 which supports using PyMVG calibration format as inputs to Braid. I

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Weird calibration alignment (cone instead of cylinder)

I just released Braid 0.10.1 which supports using PyMVG calibration format as inputs to Braid. I

7/27/21

7/27/21

Braid 0.10.1 released - use calibrations in pymvg format

Hi all, Today I released Braid 0.10.1 (and - for completeness, although nothing significant should

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Braid 0.10.1 released - use calibrations in pymvg format

Hi all, Today I released Braid 0.10.1 (and - for completeness, although nothing significant should

7/27/21

7/26/21

Reprojection errors with April Tags + DLT vs MultiCamSelfCal

Hi, (In the interest of keeping the Github issue tracker focused on bugs and conversation here in

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Reprojection errors with April Tags + DLT vs MultiCamSelfCal

Hi, (In the interest of keeping the Github issue tracker focused on bugs and conversation here in

7/26/21

Elhanan Ben Yishay, Andrew Straw3

7/20/21

Defining polygon as

Hi Andrew - yeah, that sounds great, and definitely easier than defining exact pixel coordinates.

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Defining polygon as

Hi Andrew - yeah, that sounds great, and definitely easier than defining exact pixel coordinates.

7/20/21

Andrew Straw, Renaud Bastien4

7/20/21

Braid 0.10.0 released - automatic synchronization, more robust tracking

Hi, it should be safe to switch to Ubuntu 20.04 and if you hit any problems we'll fix them. You

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Braid 0.10.0 released - automatic synchronization, more robust tracking

Hi, it should be safe to switch to Ubuntu 20.04 and if you hit any problems we'll fix them. You

7/20/21

Renaud Bastien, Andrew Straw4

6/30/21

tracking 2 fish

Sounds good. Regarding the ports: the 3D position data is indeed sent using the model server. The

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tracking 2 fish

Sounds good. Regarding the ports: the 3D position data is indeed sent using the model server. The

6/30/21

6/22/21

Braid 0.9.1 released - bugfix release

Hi all, Today I released Braid 0.9.1 which has only very minimal changes from Braid 0.9.0 with one

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Braid 0.9.1 released - bugfix release

Hi all, Today I released Braid 0.9.1 which has only very minimal changes from Braid 0.9.0 with one

6/22/21

Renaud Bastien, Andrew Straw5

6/6/21

Calibration bowl and water

Sounds good. In the meantime, I worked on the book including the page you linked (now at file:///

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Calibration bowl and water

Sounds good. In the meantime, I worked on the book including the page you linked (now at file:///

6/6/21

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