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  • Jim Dodson

    July 1, 2005 at 9:36 pm

    The plug-in you want is Trapcode’s Starglow

    A terribly inelegant work-around would be to use CC Light Rays — and motion track the jewelry one item at a time; then paste that motion tracking data into the CENTER field of CC Light Rays.

    Alternatively, RENDER–> GLOW and adjust threshold until it gives a nice diffuse “glow” around the jewells — not the same as a sparkle — that’s exactly what Starglow would give you…

  • Chris Smith

    July 2, 2005 at 9:59 pm

    Or you can just simulate Starglow. It’s extremely simple (unless you want to incorporate ALL the features).

    Here’s How:

    1. Duplicate the footage. Add hue/sat to it. Use this to pull out all the saturation. Then add a Levels. Crush down the blacks and gammas agressively. Then clip the whites a bit. The point being, you don’t want to see greyscale anymore, you just want the very brightest bits to be white and everything else black. Add a Gaussian blur to this layer. Except make the blur horizontal only. Now crank the blur waaay up. Now add a glow effect. Change the glow colors to hues you like.

    Now Duplicate this layer with these effects on it. On the second layer, change the gauss blur to be vertical-only instead of horizontal.

    Now set these two additional layers to SCREEN transfer mode. Now you have a starfilter effect on only the lightest parts of the image.

    Chris Smith
    https://www.sugarfilmproduction.com

  • Jim Dodson

    July 3, 2005 at 4:37 am

    Wow!! That was elegant and superb!! I just tried it — worked great!!

  • Chris Smith

    July 3, 2005 at 6:06 am
  • Randall Bennett

    July 3, 2005 at 7:16 am

    I cheated some rendertime out of this using directional blur. I think its marginally faster than gauss.

    help me out dude!

  • Chris Smith

    July 3, 2005 at 8:09 pm

    Cool. I was assuming it would be worse. The good thing then is, you can write a nice little expression linked to a slider to rotate the directional blur on the 2 layers so the sparkles rotate.

    Chris Smith
    https://www.sugarfilmproduction.com

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