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    Pause envelope generator

    How To... ?
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    • camilozk
      camilozk last edited by

      I want to be able to freeze its behaviour when I order it to, and to resume its behaviour when I order it to.

      i5 M520 @ 2.40GHz / 4Gb Ram / Win 7 - izzy 2.2.2
      i7 7700HQ @ 2.8GHz / 16Gb Ram / Win 10 - izzy 2.6.1 / GeForce GTX 1060
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      • Michel
        Michel Izzy Guru last edited by

        Well in this case the only possibility is to "pause the engine" CMD+SHIFT+P, but then it pauses everything also the movie that is playing.

        Best
        Michel

        Michel Weber | www.filmprojekt.ch | rMBP (2019) i9, 16gig, AMD 5500M 8 GB, OS X 10.15 | located in Winterthur Switzerland.

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        • Skulpture
          Skulpture Izzy Guru last edited by

          There is probably a work around; maybe a trigger value actor a the end or something?

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          • camilozk
            camilozk last edited by

            thanks guys

            pausing the engine is not an option.
            perhaps there is a work around but I thought that could be much simpler.
            I am going to do a Feature Request!
            :)

            i5 M520 @ 2.40GHz / 4Gb Ram / Win 7 - izzy 2.2.2
            i7 7700HQ @ 2.8GHz / 16Gb Ram / Win 10 - izzy 2.6.1 / GeForce GTX 1060
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            • vanakaru
              vanakaru last edited by

              If using Envelope is not absolutely necessary(simple one step rising counter) you can use Movie Player. Trigger speed 0/1 to start and resume and position output for value needed. You just have to make a movie(or mp3) as long you need.

              For more complex envelopes you can trigger with external timeline like Duration, QLab and others over OSC.
              I find Duration much easier to use than envelopes in Isadora.

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

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              • Michel
                Michel Izzy Guru last edited by

                yep duration would be a good solution.

                Michel Weber | www.filmprojekt.ch | rMBP (2019) i9, 16gig, AMD 5500M 8 GB, OS X 10.15 | located in Winterthur Switzerland.

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                • camilozk
                  camilozk last edited by

                  I still have to check out duration. saw the video yesterday and yes, it looks quite exciting.

                  Anyway, for certain purposes just a pause input in the envelope generator would do the job, while rising counters, movie players or even duration seem to be a lot of paraphernalia to simple pause the envelope.
                  I will try out duration today. thanks for discussing!!

                  i5 M520 @ 2.40GHz / 4Gb Ram / Win 7 - izzy 2.2.2
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                  • Fred
                    Fred last edited by

                    You can just gate the output and keep the last value, put that as an input when you start it again right?

                    http://www.fredrodrigues.net/
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                    • vanakaru
                      vanakaru last edited by

                      Fred, I had the same idea, but trying to build it got rather complicated. And when resuming the timing starts from the beginning. Like you run from 0-100 in 10sec, but resuming from 66-100 again 10sec instead of 3sec. So you need another counter/envelope to take care on that? While all you need is in Duration right there. 6511dc-stop-envelope.izz

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

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                      • cambrucedavis
                        cambrucedavis last edited by

                        Would not the relatively new Ease In-Out 2D Actor do the trick? It has the ability to Pause and Resume the action and can be done with a linear curve to match an envelope generator. Just set the curvature to 1.

                        Cheers,
                        Cam.

                        Projection Designer. Toronto, Canada
                        16" MacBook Pro M1 Max: OSX 12.5.1, Isadora 3.2.6, Isadora 4

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                        • Michel
                          Michel Izzy Guru last edited by

                          @cambrucedavis

                          You are right, missed that one.

                          Best
                          Michel

                          Michel Weber | www.filmprojekt.ch | rMBP (2019) i9, 16gig, AMD 5500M 8 GB, OS X 10.15 | located in Winterthur Switzerland.

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                          • camilozk
                            camilozk last edited by

                            @vanakaru

                            you patch works beautifully, and yes, it is very complicated. I will study it in order to understand it, but I am pretty sure it gets even more complicated as soon as I want to use an envelope with 2 or more segments.
                            [@cambrucedavis](http://troikatronix.com/troikatronixforum/profile/cambrucedavis)
                            the pause input in Ease in-out 2D is exactly what I wish I have in envelope!! it is again not easy to work with this actor if have more than one segment.

                            i5 M520 @ 2.40GHz / 4Gb Ram / Win 7 - izzy 2.2.2
                            i7 7700HQ @ 2.8GHz / 16Gb Ram / Win 10 - izzy 2.6.1 / GeForce GTX 1060
                            AMD Ryzen 7 5800H / 16Gb Ram / Windows 11 / Radeon Graphics 3.20 GHz

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                            • primaldivine
                              primaldivine last edited by

                              @camilozk
                              you can tether multiple Ease in-out 2D actors (using the 'complete' trigger to start the next one) as if each one were a segment.

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                              • camilozk
                                camilozk last edited by

                                @primaldivine

                                true. it is possible to draw a very complex envelope with multiple Ease in-out 2D actors, but then it gets again really complicated to pause the whole chain of Ease in-out 2D actors

                                i5 M520 @ 2.40GHz / 4Gb Ram / Win 7 - izzy 2.2.2
                                i7 7700HQ @ 2.8GHz / 16Gb Ram / Win 10 - izzy 2.6.1 / GeForce GTX 1060
                                AMD Ryzen 7 5800H / 16Gb Ram / Windows 11 / Radeon Graphics 3.20 GHz

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                                • jhoepffner
                                  jhoepffner last edited by

                                  Hello,

                                  I just discover the post and I also search a way to have an envelope working like the command on a lightning desk:
                                  – possibility to start/pause resume
                                  – possibility to accelerate/decelerate/go backward
                                  Each time I give a class about Isadora, that is one of the first question when we make the first video player with automated fade, how to stop it? to go backward?
                                  I tried to do that with user actor using envelope, with duration, it can works, but not easy to use for begginers.
                                  It could be a great value to have that, easy to use in the tools, hello Mark and brave developers!
                                  jhoepffner

                                  Jacques Hoepffner http://hoepffner.info
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                                  • m_theater
                                    m_theater last edited by

                                    @vanakaru

                                    this one will deal with the timing and resets itself after one pass

                                    57a896-stop-envelope-2.izz

                                    avk4.net

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                                    • vanakaru
                                      vanakaru last edited by

                                      Pretty clever

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

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                                      • jhoepffner
                                        jhoepffner last edited by

                                        I make another proposition, with start/stop/resume/accel/decel/invert, it's a prototype, but show what I would find in a super envelope actor…

                                        It's necessary to use the movie included (100 second 1 pixel movie).

                                        61766c-superenvelope.zip

                                        Jacques Hoepffner http://hoepffner.info
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                                        • W
                                          Wolle West @m_theater last edited by

                                          @m_theater hurra - this is genious - thanks for this idea - isadora life is going on

                                          MacBookPro 9,2 (2012)- Intel Core i5 - 16 GB

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                                          • Woland
                                            Woland Tech Staff @Wolle West last edited by

                                            @wolle-west

                                            There's also Ease In-Out 2D which is like an envelope Generator.

                                            Pros:

                                            • Built-in curvature
                                            • Pause, Resume, and Trigger inputs
                                            • Can change two values at once (it says X and Y but you can use them for whatever)

                                            Cons:

                                            • Unlike an Envelope Generator, it can only have one "segment"

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