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    How to create a photo slideshow that gradually speeds up and loops?

    How To... ?
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    • chiligoldmanC
      chiligoldman
      last edited by

      Hi All.

      I'd like to create a slideshow of a set amount of images that loops and gradually speeds up. 
      My actor workflow is:
      Envelope Generator > Curvature > Picture > Projector
      I can use the envelope generator actor into the curvature actor to gradually speed up but how do I loop the pictures?
      Thanks for any help.
      Best,
      Daniel
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      • chiligoldmanC
        chiligoldman
        last edited by

        Here's the file. 482240-slidehow-loop-attempt.izz

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        • MaximortalM
          Maximortal
          last edited by

          you got many way to do it...the easiest way is to use a wave generator with saw wave and really slow freq

          then just adjust min and max on picture player accordig to your picture bin

          bca040-looped-slide-show.izz

          Iro Suraci | Win 10 - Ryzen 3600 - 32GB - nVidia gtx 960 4gb / Win 10 - i5 4210U - 8 GB - R5 M230 | Isadora 3.0.7| Located in Brescia, Italy

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          • chiligoldmanC
            chiligoldman
            last edited by

            Thank you for your response. 

            Is it possible to loop the slideshow but not start curvature from the beginning with each loop? So as the slideshow loops, it gradually speeds up without reseting the speed?
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            • N
              nick
              last edited by

              you could use a counter that iterates through the number of pictures you have, being driven by a pulse generator. Attached is screen shot (don't have dongle at home so can't save).

              You need to set the counter to wrap to get it to loop back round, and set the min value to 1\. Bin counter will give you number of clips in the bin, or set it to a value manually if you don't want to use all the pictures in the bin

              7fb67c-slideshow.tiff

              MacBook Pro 11.5.2

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              • vanakaruV
                vanakaru
                last edited by

                I would make a slideshow video file(PhotoJPG codec) and manipulate the speed in Movie Player.

                MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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                • vanakaruV
                  vanakaru
                  last edited by

                  Maybe something like this would work for you. Reset by trigger 0 to current value. And regulate acceleration by freq on first Pulse Generator and amount in Float Counter. To trigger pictures look at nick's suggestion above. 70124d-speedup-trigger.izz

                  MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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                  • SkulptureS
                    Skulpture Izzy Guru
                    last edited by

                    +1 on "I would make a slideshow video file(PhotoJPG codec) and manipulate the speed in Movie Player."

                    Unless there is a specific reason you have to use Isadora for this i'd make it externally and then manipulate the video in isadora... this is what Isadora does best IMO.

                    Graham Thorne | www.grahamthorne.co.uk
                    RIG 1: Windows 11, AMD 7 Ryzen, RTX3070, 16gig RAM. 2 x M.2 SSD. HD. Lenovo Legion 5 gaming laptop.
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                    • DusXD
                      DusX Tech Staff
                      last edited by

                      So many ways to do this..
                      maybe a pulse switching triggering a counter,

                      while an envelope slowly increased the speed of the pulse.

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