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3-projector set up that needs to alternate between single image and treating each projection area individually


  • Tech Staff

    @gomer_pyle

    Attached is a screenshot how to start. You check the movie size of the first movie player, if it is for example 5760px (3x1920) change the selector to the top projector actors that you have configured (mapper with double click) to spread one movie across three projectors with the same trigger impulse of the value true you can set a trigger value of 0 to set the bottom movie players to not play a movie.
    If the value is lower than 5760px then switch the selector to the projector actors  at the bottom, they are not mapped in any way. 

    Sorry for only posting a picture I did the patch in the not yet public available 2.6 and you can't open it in 2.5.2, and you learn more if you do it yourself ;-)

    Best Michel

    3or1Selector.png



  • @juriaan This is remarkably helpful. I am now looking up how to get started with Izzy map.  Someone mentioned that it is not available with the demo version. Is this true?  Thank you for your answer!



  • @michel Thank you Michel!  This is very helpful and I will get started with it right away!


  • Tech Staff

    @gomer_pyle

    It should not be a problem using the mapper in the demo version, but remember you cannot save your patch.

    Best Michel



  • @michel Ok, thanks--that's good to know!  I have one more question: I was looking up the Matrox Triplehead2go and noticing that it costs over 200 dollars.  Would you happen to know of an alternative that can be used to connect 3 hdmi projectors to a MacBook Pro 15" that will still be compatible with Isadora?

    Thanks!


  • Tech Staff

    @gomer_pyle

    Do you have a mac book pro with 2 thunderbolt and one HDMI connection? If yes you already have the possibility to connect 3 projectors. You just need 2 thunderbolt HDMI adapters.

    Best Michel



  • @michel,

    To my knowledge and experience, you cannot have 4 different screen with macOS, if you plug 2 miniDP, 1 hdmi plus the MBP screen, you need to have 1 seen copying another one.

    If you want 3 different screen, the only solution is Matrox or datpath.


  • Tech Staff

    @jhoepffner

    It is no problem with the MacBook Pro to have 3 external screens plus you laptop screen. I did this many times already in total you can have 5 screens if you have enough outputs.

    Best Michel



  • @michel I have 4 thunderbolts but no HDMI.  I only have one thunderbolt to HDMI adapter, so 2 more would cost quite a bit as well--but still cheaper than the triple head, so might go that route instead. 

    Thanks for the advice!



  • The new macbook pro, with thunderbolt 3, you can have up to 4 4k external screens or 2 5k. It will be much easier and flexible than a matrox.



  • @zedociel Thanks! I will not use Matrox since I do have the new MacBook Pro w/ thunderbolt 3