@jrhooker said:

Pro G7100

 Reading the Specs of the Projctors, they have shifting and support image warping. I don't really know this specific Projector and how well it works, but i did work with a bunch of epsons older and newer series. They usually have a good software integration (Firmware with well thought control features).
It all depends quite a bit on the projection surface you are going to project on. If it is a very plain, single colored screen, and the projectors are close together, you'd probably be easily done with the shifting function of the projectors. A professional projection tech should be able to put those pictures together with this easily. If you know the true basics of the shifting feature and how it (physicaly) works, you could even do it yourself.
If the screen isn't plane or the physical matching is not possible (maybe the projectors are to far away), you could use the internal warping. This is basically a simple version of the izzy map warping feature.
Why using the projector internal features instead of izzy map? The most important reason is the number of output lines. With the matching by the projector itself, you'd only need one output and one long line to the projectors. This signal line would be split by a simple 1:n distributor close to the projectors, which should stay as close together as possible. Going by the izzy map way, you'd need a dedicated output and signal line from your computer to the projectors.

If the the Tech support claims, it can do the matching within the projectors, i'd probably trust them (Actually I'd help or do it myself). The projectors a at least capable.
If the Projectors are as close to your laptop that you can easily provide the signal lines to each of them, and are unsure about the support on side, do it by Izzy map, but prepare your show for it beforehand!

@woland That would probably work. Though I didn't need to try after a nice restart. Everything's working. First thing I should have done.

@callie said:

project with 3 projectors in a 3x1 layout.

 Are you using projection blending?
As @Woland mentioned, we will need to look at your full configuration to fully understand what is happening.

@jrhooker said:

I saw a 2017 post by, I believe, @woland with instructions for how to do it via Izzy Map

I was reading this post and was like "Oh yeah, I did this with IzzyMap super easily a while ago" and then I got to this part XD

Was dead easy though. Just turned on the projectors, spit out the same test pattern from both, then remote controlled the show computer with my laptop so I could be right up onstage fine-tuning IzzyMap to make the two images overlap. After that, stick the mapped Projector actor inside a User Actor, add it to the document toolbox via the right-click menu, and then you can use the mapping across your entire project and even adjust it globally in the event the physical projectors get bumped or moved.

@jrhooker said:

I'm just curious if there are hardware-led ways to do it instead

In my experience, the hardware-led solutions for this don't work with just any projector. There are fancy projectors that have special settings that allow them to be stacked to increase brightness which do the compensation either themselves or via special software on the connected computer. It's been a while since I needed to do this though, so maybe someone here knows of a more recent development that's feasible and hardware-based.

@dusx

1000 thanks

Best regards, 

Jean-François

hi community!

i'm in a situation new to me, but I think this is a pretty basic question...?

I'm designing projections for a play at a university. They don't usually do projections (etc etc etc) and they have pretty small projectors for the size of their space. So, we want to stack two for brightness. I'm not allowed to touch the hardware (frankly fine by me) and OF COURSE they've given very little time for projections in tech. They're hiring a media company to deal with the stacking. I've honestly never had to stack projections. My question is, can this be done easily only on the hardware side and can I then just set my patch so that it's basically duplicating everything using each projector as a different stage. Or is the only way to do it through Izzy map. What are the best practices here? I saw a 2017 post by, I believe, @woland with instructions for how to do it via Izzy Map, but I'm just curious if there are hardware-led ways to do it instead...because I'm worried about my tech time. 

The projectors in question are: Pro G7100 XGA 3LCD Projector with Standard Lens

Thanks!

J

@joshuawg said:

Over the course of a performance I am capturing 8 different movies in isadora with the "capture camera to movie" actor and would like to route the playback (two channel stereo) to an external audio mixer across 8 different channels so they can be individual routed to 8 different speakers.

 Have you tried to see what happens if you run your patch with physical audio hardware instead of virtual audio software like BlackHole?

@callie

I'd need your Isadora file and the mask image you made in order to try to help. The screenshot alone doesn't have enough information for me to check all the possible variables and behaviors.

@n-jones said:

without a need to install python

 Well, this code will require some configuration of Pythoner.

By default Pythoner offers the full standard library included with Python, however, this doesn't include everything we need for this script.
So, a new Virtual Environment will need to be created, and then MediaPipe, OpenCV, and Numpy will need to be installed.
The module names for install are: 

1. opencv-python 
2. mediapipe 
3. numpy

This is worth knowing, because the names for installation don't always match the names used for import into the python code. eg: opencv-python uses, import cv2, in the python code.
You can find available modules at: https://pypi.org/

If you haven't I recommend watching: Getting Started With Pythoner to get an understanding of how the configuration is handled. It really should only take 3-4 minutes to create the environment and install the modules needed, once you know how it works.

I will create a quick and dirty video tutorial to walk thru this for this specific script/project. ASAP

This one seems pretty obvious — so I'm not sure what's not working. And as much as I go through old comments, I can never tell what is/isn't out of date, so apologies if this is well trod territory. 

Over the course of a performance I am capturing 8 different movies in isadora with the "capture camera to movie" actor and would like to route the playback (two channel stereo) to an external audio mixer across 8 different channels so they can be individual routed to 8 different speakers. Blackhole is currently the default audio device, but I've also set it on each movie player. I've tried to route each movie player to a different channel with snd out... but when I monitor blackhole in loopback it only plays through channel 1, no matter what channel I've specified. 

I have tested blackhole on my computer, I have configured it in speaker configuration. I have run an 8 track audio track through isadora to blackhole and it works perfectly. What am I not getting about the movie player configuration? 

Thanks

Josh