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Materials like glass can be extremely difficult to work with. Not only are they transparent, but they also have reflectivity and emissivity. In this case here we're looking at the piece of glass here that covers the watch face. And if open that part up, I can take a look at it. Notice it's kind of hard to choose it, so you have to hold down the Shift key and pick that top face to actually select it. Now I can change the transparency. You can see it. I can fill it all the way in. Now if I click on that part, I can open the part, and notice I've got a glass material applied to this at the component level. If I go back to the assembly level, notice if I click on this little arrow here to show the display pane, it pops up.
You can see that material there actually has two materials applied. It's got one on the component level, and one on the assembly level, and what I want to do is I want to get rid of those. That's a really important part of dealing with components at this level is removing those appearances to make sure that they don't interfere with each other. So I can just say Remove Appearance, that's going to take it away from the underlying component level, so I can apply it only on this level here. The problem you'll run into, especially with materials like glass, is if you apply appearance over the top of an existing appearance, making changes to it won't really actually show up, because if I make it completely transparent, I'm only going to see what's underlying there.
If the underlying material is still opaque at some point, it'll never show up completely transparent. So that's really what we want to do is get rid of that other appearance, in this case, only apply it on the assembly level. Now that we have that, I can come over to the beach ball at the top of the display manager, And take a look at that glass and here it is, clear glass. And, let's right-click>Edit Appearance. And, I also want to turn on the Preview window to see what everything's going to look like when I actually do a final rendering. Give it a second to pop up here and there we have it.
So, it doesn't look too bad, but I think I'd like to have it just a little bit clearer. So, when I click on Illumination over here. I can see that I'm reflecting about 0.02 and my transparency amount is about 0.85. Watch what happens when I lower this down. You can see that it fills it in. It makes it a lot less clear glass, so really I want to bring that way up, maybe about 93%. So it's really clear, I can see through it. And then as far as the reflection amount, if you notice I bring that up a bit.
It actually reflects a lot of light and kind of makes it whitish. Surface on the top. That's really not what we want. But we want to keep a little of that to give it the realistic look of what glass does. because it does reflect some light. We just don't want to reflect too much light. So let's bring that down a little bit more. So we get that nice clear look of the wood inlay. Good look at the hands of the watch. But still, a very realistic look. So I'm looking at maybe a 0.1 will give us that real crisp look that I'm looking for. And those are real things we need to change to get and work with glass. It's a transparency.
And the amount of light that's reflected from the glass in that one under laying look of removing any materials that's below there, to make sure we have glass only on one layer of the view pallet. You know, because what happens is the materials stack on top of eachother. So we don't want to have a glass applied on top of a piece of metal or something like that, because it just will never, never work. So it's just gotta be glass only then we can control it only in this one level by changing the transparency, luminosity and reflectivity. When we're happy with our final results, let's go ahead and do a final render of this to make sure it looks exactly the way we want.
So we'll go ahead and click OK (NOISE), and click on Final Render. Alright, that's looking pretty good. In fact I might want to go back and say add a little bit more of that reflectivity just to give the final (INAUDIBLE). So just close that and do one more thing go back find the clear glass again, edit the appearance go over to Illumination and come back over here to that reflection and let's bump that just up slightly, click OK and do a final render. Okay looking good.
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