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    Motion Track / Lines around Mask

    How To... ?
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    • jakeswit
      jakeswit Beta Tester last edited by

      This is probably super simple and I'm just missing something easy in the new Masking feature.  I want to be able to create a mask for a projection mask (a stair case) and then use the mask to create some lines that would animate / react to actors on stage.  Is there a way of using a mask in Izzy 2.0 the same as one might in After Effects (i.e. be able to animate along the path?)  It'd be great to be able to finally do this all in Isdaora, but i can't find an actor to create a clean line (the staircase has a curved part, so I need to be able to trace cleanly!)

      Thanks for helping me solve this silly problem!  
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      • mark
        mark last edited by

        Dear @jakeswit

        I don't know AfterEffects so I'm not quite sure what you mean by "animate along the path." I guess I need a better description of what you mean, or else maybe some other AfterEffects experts here can jump in.

        Media Artist & Creator of Isadora
        Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

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        • Skulpture
          Skulpture Izzy Guru last edited by

          Do you mean you want the mask to move; animate with key frames?

          Graham Thorne | www.grahamthorne.co.uk
          RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
          RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
          RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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          • jakeswit
            jakeswit Beta Tester last edited by

            Hi Skulpture ... yes, theoretically I would like to create a "line" and then animate along the path directly in Isadora, since the show will be traveling, and I won't always have time to remake the masks in After Effects.  Said line should theoretically be controllable with different variables from sources (midi, sound watchers etc.).  I can't upload the file here, but uploaded an example here: https://www.youtube.com/watch?v=1SvRAXfgBYw&feature=youtu.be

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            • Fred
              Fred last edited by

              I think your best bet is to break the animation up into smaller pieces and map them when you get to a new venue. Pretty much all of the current mappers are stuck with the same limitation. Isadora does not have the capability to easily animate lines the way you want. Although what you are after is entirely possible, getting it would involve making it from scratch. Something like openframeworks or processing would get you a little closer but you still need to map (I assume this is what you mean you would need to do in different venues) at each new location.

              Depending on the complexity you could do a lot with one animated line and the mapper...

              http://www.fredrodrigues.net/
              https://github.com/fred-dev
              OSX 13.6.4 (22G513) MBP 2019 16" 2.3 GHz 8-Core i9, Radeon Pro 5500M 8 GB, 32g RAM
              Windows 10 7700K, GTX 1080ti, 32g RAM, 2tb raided SSD

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              • Skulpture
                Skulpture Izzy Guru last edited by

                Hi,

                Yes Fred is right. AE is the only way to do this really. Isadora masks are not the same as AE.
                I think what Fred is suggesting is that you could make a single line going from left to right in a video and then take multiple masks of it and place it to fit around the shape.
                Could be tricky and take a bit of time to do. 

                Graham Thorne | www.grahamthorne.co.uk
                RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

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