In the olden days, producers knew what visual effects were. Now they’ve gotten into this methodology where they’ll hire a middleman – a visual effects supervisor, and this person works for the producing studio.
They’re middle managers. And when you go into a review with one of them, there’s this weird sort of competition that happens.

It’s a game called ‘Find What’s Wrong With This Shot’. And there’s always going to be something wrong, because everything’s subjective. And you can micromanage it down to a pixel, and that happens all the time. We’re doing it digitally, so there’s no pressure to save on film costs or whatever, so it’s not unusual to go through 500 revisions of the same shot, moving pixels around and scrutinizing this or that.

That’s not how you manage artists. You encourage artists, and then you’ll get – you know – art.

If your idea of managing artists is just pointing out what’s wrong and making them fix it over and over again, you end up with artists who just stand around asking “OK lady, where do you want this sofa? You want it over there? No? Fine. You want it over there? I don’t give a fuck. I’ll put it wherever you want it.” It’s creative mismanagement, it’s part of the whole corporate modality. The fish stinks from the head on down. Back on Star Wars, Robocop, we never thought about what was wrong with a shot.

We just thought about how to make it better.

Phil Tippett

Matte Ribbons or scale lines?

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TogTobias
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Matte Ribbons or scale lines?

Post #1 by TogTobias » Mon Jan 02, 2017 3:45 pm

Hi guys. Trying to matte the Ribbons output with an alpha matte. Also trying to scale lines at ends in some way. I've tried probe in a variety of ways. Also various matte control ideas. I'm assuming it's just not possible to do any kind of fades of the lines at the edges of the Ribbons domain or to scale the lines using a ramp perhaps to bring those ends down to nothing.

Any ideas would be helpful or just some knowledge that it's not at all possible in Fusion. Thanks!

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Re: Matte Ribbons or scale lines?

Post #2 by devhill » Mon Jan 02, 2017 11:25 pm

About fades of the lines: create a BG with gradient and connect it to the Ribbon3D (as a texture).. you can also add a circle mask with feather and connect it to BG

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Re: Matte Ribbons or scale lines?

Post #3 by TogTobias » Tue Jan 03, 2017 8:13 am

devhill wrote:About fades of the lines: create a BG with gradient and connect it to the Ribbon3D (as a texture).. you can also add a circle mask with feather and connect it to BG



Thanks for the tip. That's actually a material port not a mask port as you stated. I tried that. It doesn't actually mask anything in the way a true alpha matte does. If you use a gradient fade out to N color you have to make sure a secondary background is the same N Color to cheat the effect. I'm looking for a true alpha or luma matte result that generates a transparency on the Ribbon output. I was playing around with this and found what I think is a better solution just using wireframes. It's not exactly the same look but it's in the ballpark if you're just trying to do simple displacements driven by source footage. It's a hell of a lot faster than the ribbon method as well.

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Re: Matte Ribbons or scale lines?

Post #4 by devhill » Tue Jan 03, 2017 11:20 pm

You mean like this attached screenshot ?
The tip was for fades.. If you need Ribbon alpha u have to use OpenGL Renderer instead of Software renderer in the Render3D node.
Second viewer (on the RIGHT): A RGB - B RIBBON ALPHA
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