After NODE 2020, having seen all the wonderful things Stride and vvvv can do together, it was inevitable to fall head first into the adventure that has been bringing Stride and VL.OpenCV into a playful and seamless friendship.

I am happy to announce that as of version 1.2.0 of VL.OpenCV, you can effortlessly and painlessly:

Find your camera's position based on a pattern or marker

Need to know where your camera is and what it's looking at based on an Aruco marker or a chessboard calibration pattern?

Say no more:

And now from the outside:

Dizzy yet?

Estimate the pose of an Aruco marker to create AR applications

Bring 3D objects and animations into your image using Aruco markers to create augmented reality projects:

Calibrate a projector

Remember this beauty? It helps you figure out the position and characteristics of your projector in your 3D scene.

And reproject

Once you know where your projector and the spectator are, you only need to worry about the content. 3D projection mapping made easy!

Not bad huh?

So there you have it boys and girls, 3D computer vision based adventures for all! Head to your local nuget distributor and grab a copy while it's still hot.

A big thank you to motzi, gregsn and tebjan for their invaluable help as well as to many others who contributed one way or another.

And as always, please test and report.

Keep your cameras calibrated kids!

Happy holidays!

Changelog

Added Stride compatible versions of

• SolvePnP
• ApplyNearAndFar
• Perspective
• ExtrinsicsToViewMatrix
• ExtrinsicsToProjectionMatrix

New and improved help patches

• Calculate a camera position using Aruco
• Calculate a camera position using SolvePnP
• Estimate the pose of Aruco markers
• Calibrate a projector and reproject
• Calibrate a camera

Bug fixes for

• EstimatePose
• FindChessboardCornersSB
• VideoIn nodes
• VideoPlayer nodes
• CalibrateCamera
• Others

New nodes

• VideoIn nodes with lower level access to device index which enable using previosuly unsupported devices

General cleanup

Improved documentation

Moved beta OpenCV to DX11 transformation nodes to a separate document (\vvvv\nodes\vl\VVVV.OpenCV.vl)

Who Natan Sinigaglia / dottore | Kyle McLean / everyoneishappy
When Mon, Dec 14th 2020 - 21:00 until Mon, Dec 14th 2020 - 22:00
Where Online, hosted by the NODE Institute, Germany

Hello vvvvorld!

We (Natan Sinigaglia / dottore | Kyle McLean / everyoneishappy) would like to give you a heads up on a project we are undertaking in these times that we would hope should be of some inspiration and enthusiasm for the beloved VVVV community!

The FUSE project will provide a well researched collection of GPU tools and libraries to use with VL.Stride :

• Domain specific high level node collections

 ○ Distance Fields & Raymarching
 ○ Particles
 ○ Procedural Geometry
 ○ Textures and Materials
 ○ GPGPU

• A domain agnostic set of nodes and helpers for patching GPU logic
• A clean collection of abstract shader functions that can be easily referenced for coders

Intended to benefit the community and wider ecosystem :

• Free and opensource
• Well documented
• Produced in collaboration with the VVVV group to iterate and improve on the core shader based workflows and approaches of VL.Stride.

We are presenting this project in greater detail on 14th Dec 2020 at 21:00 CET to studios and individuals who are interested in the graphical future of vvvv gamma.

The event is kindly hosted by the NODE Institute.https://thenodeinstitute.org/event/the-fuse-project/

Best regards,
Natan & Kyle

When Tue, Nov 24th 2020 - 20:00 until Tue, Nov 24th 2020 - 21:30

Save the date!

We're meeting up on November 24th, 8pm CET to get insights into what everyone is patching on. How will this work? Something like the last time. So please invite all your vvvvriends and vvvvamily to join us!

Want to share your work?

We could have one or two more demos/presentations! Anything more or less related to vvvv, yourself and your projects. Share some thoughts, share your funny fails. Or just ask some questions...

Please get in touch via meetup@vvvv.org and let us know what you want to talk about. We'll then get back to you and organize the streaming tool etc.

Here is our line-up so far:

wirmachenbunt

wirmachenbunt: Joscha Brüning, Thomas Gross, Nils Nahrwold, Christian Engler
Location: Hamburg
http://wirmachenbunt.de

wirmachenbunt is a studio for interactive and immersive shows and exhibits. The team will present the Magenta Moon Garden software, the system behind a 360° interactive space, incorporating 16 projectors, 9 Radartouch sensors, 6 channel surround sound, 4 games and lots of pixels. While the visual output is rendered with vvvv beta, they used VL and vvvv gamma heavily for the backend and surround sound engine, marking a transition of the studio workflow. While going into the patch details, they reveal the process, from simulation to the live setup.

Christian Riekoff

texone
Location: Schwerin
http://riekoff.com

Christian is a media artist based in Schwerin. Working on all kinds of kinetic, light and screen based installations, he will give a small peak into his recent project, which will be his first one realized in vl. Switching from Unity and his own custom framework creative computing he will give a view on the process leading into this decision and present some first steps into the vvvv world as a result of the transition.

Amir Bastan

baxtan
Location: Linz, Austria
http://baxtan.xyz http://creativerobotics.at

New media artist with a background in fine arts and philosophy, Amir realizes his works by designing narratives through real-time processes.
Amir is based in Linz/AT where he is persuing his PhD. He is a researcher at Creative Robotics Department at the university for arts and design in Linz he is also teaching Coding and computational thinking at the Fashion and Technology department in the mentioned university.

Probably,

the biggest NODE so far, in terms of reach. At least if you want to believe the viewing numbers on the videos of the daily streams. This time the whole world was able to participate and not only a handful of privileged being able to come to Frankfurt. What an undertaking to run a pop-up TV station for 7 days next to a 2 track, 9h a day workshop program...

On behalf of the whole team that made this edition possible, vvvv wants to thank david and Jeanne Charlotte Vogt, directors of NODE20 - Second Nature, for pulling the strings. Once again very well done, chapeau!

The team was huge and a lot of different things happened over the course of this week, too numerous to recap here. So in this blogpost I want to particularly summarize the vvvv focused parts and highlight the members of the vvvv community who helped make NODE20 possible.

TV Shows

You should watch them all: 7 days of quality panels and discussions around this years topic "Second Nature". But then, as promised, the following is a listing of the more vvvv related shows for your viewing pleasure:

• The Emergency Broadcast Studio - Behind the Scenes, where readme talks about how he and bjoern took on the brave task of running the AR studio on VL.Stride, which was still very much in the works when they started...Must watch to get an impression of the effort of what was behind the studio setup. Credits also go to kopffarben who helped running the actual shows in the end!

• Ocean Of Air - Hear from the team behind the first vvvv + stride based multiuser VR experience.
• Distributed Imagination - Meet Refik Anadol, Simon Weckert, Luna Nane, lasal and Noir
• The Node Institute - About the idea of the institute
• vvvv Keynode - From the devvvvelopers diary
• Patcher Spotlight - ravazquez in talks with artist collective VOLNA, ain, Jan Henrik Hansen and seltzdesign and artist duo F3Studio
• The Golden Nuget Show - Insights into latest developments with sebescudie, Rayment, elektromeier, lasal and dottore
• Patcher Spotlight: Japan Edition - ravazquez, mino and Takuma in talks with Yuta Inada, Yusuke Murata, skillgacha and Yuta Torii

Workshops

Massive thanks go to the whole team of The NODE Institute who ran the workshop and streaming operations on the ground together with: ravel, sebescudie, Rayment, katzenfresser and Ben Schiek.

And of course to every single one of the 26 workshop hosts and co-host who took the time to bring their knowledge to all of us: andresc4, Anna Meik, antokhio, baxtan, domj, dottore, elias, everyoneishappy, gregsn, Gene Kogan, hayden, idwyr, joreg, jule, kleinkariert, lasal, Maria Heine, Marian Dziubiak, motzi, ravazquez, sebl, sunep, Takuma, tonfilm, untone, vux.

Support

NODE is a community effort. Everyone is chipping in what they can. So finally I want to list a few companies without whose continued support in the form of material or human resources, NODE20 would not have been possible:

• Copyright Communications GmbH
• Hergarten Interactive
• kling klang klong
• MESO Digital Interiors GmbH
• m box bewegtbild GmbH
• NSYNK Gesellschaft für Kunst und Technik mbH
• SATIS & FY
• Stage Precision
• Studio Brüll
• Timo Bittner
• wirmachenbunt

vvvv takes a deep bow in front of everyone mentioned. I sincerely hope I didn't forget anyones contribution but am well aware that this is not unlikely. So in case I missed someone, please someone let me know so I can add the info here!

After NODE is before the next NODE.
Back to work!