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    CI Perspective Transform - advice please!

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

      Hello

      Can anyone explain the CI Perspective Transform actor to me? I expect it to work the same way as Stretch, but it doesn't. Shifting one corner along an axis seems to pull all the corners around, and with minor adjustments I'm seeing the video flip and mirror and get pulled right off of the stage. I'm fumbling around and would rather ask for help. All I'm trying to do is to "correct" a video that is being played through a data projector that's set to the side of the screen, and getting obviously skewed.
      Thanks all
      Anthony

      OSX 10.6 | MBP 17" (early 2011) | 16gb RAM | Isadora 1.3.0f24 | RME Multiface II

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      • vanakaru
        vanakaru last edited by

        maybe this explains it a bit
        http://en.wikipedia.org/wiki/Perspective_(graphical)

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

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        • AnthonyH
          AnthonyH last edited by

          No, not really. I know what perspective is.

          I've just been fiddling with it more in a new project, and I think I have the hang of it now. It's not behaving so unpredictably now.
          Cheers.

          OSX 10.6 | MBP 17" (early 2011) | 16gb RAM | Isadora 1.3.0f24 | RME Multiface II

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          • vanakaru
            vanakaru last edited by

            I made a test patch to visually experiment with this actor.

            d59be8-perspective-transform-test.zip

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

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