From the course: Digital Matte Painting: 5 Camera Projection in Maya

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Displacing the smoke

Displacing the smoke

We're getting a lot of nice action in the plate but the volcano smoke is not moving. Since these volcanoes are very far away, the movement wouldn't be large, but a little subtle motion in the smoke would help to sell the idea that the smoke is real, and not painted. When you want to add subtle motion, displacement is a great way to go. It doesn't have any of the overhead of video footage, and it can be very convincing when you're not moving the image dramatically. First, let's select the volcano smoke and solo the layer. You can see the mountains art on the same layer, you need the smoke to be on its own layer. To add displacement to this, we're going to use some fractal noise. First, add a new Solid. You can make it the size of the comp. I'm making it black but you can make it any color, we're going to change that with the noise anyway. With that new solid selected, go up to the top menu, choose Effect, Noise & Grain, and Fractal Noise. Fractal noise can be used to create all kinds…

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