From the course: Compositing an Alien Portal in NUKE

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Adding the ground glow

Adding the ground glow - Nuke Tutorial

From the course: Compositing an Alien Portal in NUKE

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Adding the ground glow

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- So we've got a little interactive lighting off of our portal, onto the pillars, and now we need a little pool of light down here, on the ground, which I'm calling the 'ground glow.' So, let's put that over here, we'll push into this area. This'll be our working spot, here. Let's start by adding a roto node, and let's also label this guy. So, this would be the ground glow roto. Now, we need to set the size, because I don't want to have a HD size ground glow. I'll open the twirl down menu, and from the popup, I'll pick square 256. That's plenty big for a little pool of light down here. Okay, let's connect the viewer to our roto node. Re-home the viewer. So, I'm going to select the elipse. Holding down the shift key, I'm going to make a very small, little elipse here. And, the way I'm going to use this, is I'm going to add it, or plus it, to the background. So, I need this to be in the RGB layers, so let's set the output to RGB. Now, to get a big, soft, fuzzy spot here, let's go down…

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