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Fading masks in Fusion

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TheCameraGuy

  • Posts: 15
  • Joined: Fri Jul 02, 2021 1:46 pm
  • Real Name: Lennart Jabben

Fading masks in Fusion

PostThu Jul 22, 2021 9:27 am

Hello there!

I need to create light rays that come out of a light house.

I use a white background node with a bow tie shaped polygon mask to create the rays. My problem is, that I want the cones to have a very smooth fade out on the right and left side while the top and bottom egdes are supposed to stay sharp. So I can not just use "soft edge".

Is there a way to soften single sides of polygon masks?
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UserNoah

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  • Real Name: Noah Hähnel

Re: Fading masks in Fusion

PostThu Jul 22, 2021 10:27 am

Yes. For varying degrees of softness you can use the double polyline/spline feature.
When you've got your mask selected, look for a "D" in the toolbar on that mask. The viewer should now display a dashed line on top of the normal spline path.
Hit Tab until you see diamond shaped icons on the polyline. Moving these will soften your mask as far as you move the outer line.
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TheCameraGuy

  • Posts: 15
  • Joined: Fri Jul 02, 2021 1:46 pm
  • Real Name: Lennart Jabben

Re: Fading masks in Fusion

PostThu Jul 22, 2021 6:16 pm

That worked perfect for me, thank you very much!

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