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Activity Forums Adobe After Effects Expressions expressions masters

  • Alon_a

    April 18, 2006 at 4:46 am

    Here’s one way, with a plugin:

    https://www.digitalanarchy.com/toolbox/toolbox_sampler.html

    This lets you sample the color at a given coordinate; once you have that, it’s pretty straightforward to connect it to other stuff like a circle’s radius. To get the effect in the video you’d have to apply this multiple times at various points in an array.

    – AA

  • Mylenium

    April 18, 2006 at 4:49 am

    [linkoping skrills] “how did they conect the luma values of their source to the circles?”

    No “linking” as you may understand it at all. I’d say circles tiled as a grid using Motion Tile, then Card Dance parameters driven by another layer. Pretty simple.

    Mylenium

    [Pour Myl

  • Mylenium

    April 18, 2006 at 4:51 am

    [alon_a] “Here’s one way, with a plugin:

    https://www.digitalanarchy.com/toolbox/toolbox_sampler.html

    This lets you sample the color at a given coordinate; once you have that, it’s pretty straightforward to connect it to other stuff like a circle’s radius. To get the effect in the video you’d have to apply this multiple times at various points in an array.

    – AA”

    Na, way to convoluted. Such a setup would take forever, especially since you have to “bake” out the color sampler first. I think you’d agree that my suggestion is much simpler and much more efficient.

    Mylenium

    [Pour Myl

  • Jonas Espinoza

    April 18, 2006 at 5:33 am

    which parameters? im not at my workstation, but this is super interesting. card dance works like that?

  • Alon_a

    April 18, 2006 at 6:03 am

    > I think you’d agree that my suggestion is much simpler and much more efficient.

    Sure I agree 🙂 Makes much more sense. I responded to the original question (“how did they link…”) without thinking of alternatives.

    – AA

  • Mylenium

    April 18, 2006 at 6:27 am

    Yepp, Card dance allows you to link the parameters of the “cards” like size and rotation to other layers. It’s a bit difficult to grasp the concept, but very powerful once you learn how to use it.

    Mylenium

    [Pour Myl

  • Paapoopa

    April 18, 2006 at 7:26 am

    so how do you link the parameters of the cards like size and rotation to other layers?

  • Mylenium

    April 18, 2006 at 8:18 am

    [paapoopa]
    so how do you link the parameters of the cards like size and rotation to other layers?”

    From within the plugin interface.

    Mylenium

    [Pour Myl

  • Mike Clasby

    April 18, 2006 at 4:15 pm

    Card Dance quickies:

    Gradient Layer 1 & 2: Select a layer with variation in it, like luminosity, or a layer with ramp (You need to Precompose it) and the layer in the comp with card dance can have the eyeball turned off, card dance just needs to reference it.
    These layer will drive dynamic changes in the cards.

    For Properties like “Z Position”, any of the scales and rotations, the “Source” choose “Intensity for starters,
    Adjust the “Multiplier until your seeing close to what you want, offset add to this, tweak it.

    As you can see under multiplier, the choices under intensity are many, Red, Green, Blue, Alpha and combo’s thereof.
    There is a tut online (only one I’ve ever seen), Google Card Dance and After Effects. Unfortunately it’s at that place, like the Evil Wizard in Harry Potter, the name is unmentionable. Sounds like we need a card dance tut here, yikes to do that you really need to know the nuances of it and I think card dance has mucho nuances.

  • Jonas Espinoza

    April 18, 2006 at 8:01 pm

    still not sure how to use cutsom pieces like this reference piece.

    https://motionographer.com/media/method_sfiff.mov

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