Hi All - I have done lots of mapping in my time, but now I'm stuck. I'm projecting a thin vertical video of water/waves onto a 600 cm diameter vertical column using a short throw projector. Using IzzyMap of course... I want the waves more or less "level" across the column and the top and bottom of the thin video rounded to appear to wrap the column. I have used composite on the input for the rounded without luck and tried the grid setting for leveling. I have used just a few grid points thinking moving one might warp the rest of the points, but that didn't seem to work. I tried using 25 points on the long, vertical side and 4 on the horizontal and that didn't seem to work well at all. The bezier handles are so small and white, while my video is very light too. I made a dark grid image to test but I can't get that to warp the way I want it to.

Is there a way of using the grid to warp a column? For what it's worth, I have watched the guru session on mapping several times and read all there is on the Troika website on mapping too. Sorry to be dense and looking forward to any suggestions!  - John

@skuven here is the current update - Including my new aiming system. Its really shaping up!

Hi,

On Epson projectors, you need to go into the network settings, then in the "other" section, and activate PJLink ( de-activated by default ).

The other controls are using other protocols, so will work anyway.

Best,

Mehdi

@dusx Yes! That would help me considerably if its not too much trouble for you... thanks!

And  I'll add in my set of Timecode Tools (user actors): TROIKATRONIX : ISADORA - DX – Timecode Tools

@dbini said:

I can Syphon out of Isadora into OBS and out of OBS using the OBS Virtual Webcam. 

We're pretty consumed by preparing for the new audio-centric release that's coming down the pipeline, but I believe an updated version of a Syphon Virtual Webcam-esque application is already partially done. We just need to finish this release and then we'll see when we can get that out the door. As always, the squeaky wheel gets the grease, so if there's significant interest in us releasing an updated version, we'll take that into consideration. (I know that personally, I'd like to have it complete so I can use it for my own work.)

@dbini said:

I guess it works, but I'm not convinced its the most efficient use of resources....

I know you, so I know you know all of this, but I'll state it just for the benefit of anyone else who sees this thread:

Yes, bouncing a video signal between multiple pieces of software feels kind of janky and is definitely not ideal, but if you're just sending Syphon video streams between different applications, the overhead is next to nothing; you will not see a noticeable performance hit with any modern computer doing this. If you were doing multiple streams of NDI between different software, that'd be pretty resource-intensive. The more links in your workflow, the more potential points of failure (so fewer applications and fewer pieces of hardware is generally better whenever you can get away with it).As a general rule, every additional piece of hardware or software you add to a video chain potentially introduces delay (which is most noticeable and important for live video feeds).

@woland thanks !

Best,

Maxi-RIL

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Create a new support ticket with the subject "New Beta Tester"

And we will onboard you ASAP.

@woland Thank you for update.

@tatrapikao said:

is this still broken in isadora 3

As Dusx said, we're no longer actively developing Isadora 3, but this issue is fixed in Isadora 4.

@skuven I will give it a try ! Thanks 

Best,

Maxi-RiL

@jfg

thanks, that's a helpful suggestion. And yes, I'm running Blackhole so i can send it out and back using different channels.

I'm guessing restoring that function within the movie actor is not likely to happen soon. What a pity Apple messed up Quicktime.

thanks @jfg @skuven 

@kfriedberg said:

In the NVIDIA Control Panel there's a setting for power management, which I set it to prefer maximum performance and rebooted.

 Interestingly, I took another look, and the performance management utilities on my Lenovo Legion, automatically switches this based on my mode. So 'game' mode which I use for shows sets this to maximum.

@video-architect here's a quick Izzy file with the appropriate actors. You just need to change the I.P. address of the ArtNet Send actor.

Hope this helps! 

Simon

dmx-lighting-artnet-send.izz

@citizenjoe nope. Playback still stops after a few hundred frames backwards..

@mmharvey

In the program you can also go to Help > Isadora Manual...

The section Actor Reference is what you're looking for

@juriaan

Thanks. Just found this topic. I assume it's all still relevant. Thanks this is just what I need as I'm setting up the exact same hardware.

@Eva

another possibility on Mac is syphon Recorder. I use it always, it is easier to configure as OBS and it works very well:

https://syphon.info/recorder.html

Best regards, 

Jean-François

@drpjm

Did you close and re-open Isadora? It won't remap the python environment until that is done. 
I assume you have watched these tutorials: Using the Pythoner Actor – Do More in Isadora with Python - YouTube

NOTE: Python is not initialized in Isadora until a Pythoner actor is added to the project. You can update the 'environment activation file' and restart Isadora, and the Python Virtual Environment setting under the Help menu will appear GRAYED OUT & (Awaiting Activation) until the Pythoner actor is added to the project. 

@ubik Thanks for sharing...loved the Fluid UV Distort !

Best,

Maxi-RIL