So picking up where we left off in the last lesson, we're going to focus on the rendering element of working with these SketchUp models. Now you may notice that down here I have this little check box with the Auto checked, and the idea with that is that if I do not have this checked, and I make a change the SketchUp model itself is going to come up with this yellow exclamation point that's going to tell me that this needs to be rendered. And you'll notice that, that is also here in our SketchUp model dialog, and you'll see that the button here changes from rendered to render, so if I click the Render button, it's going to re-render that, and my exclamation point goes away. Now why would they have separated the rendered versus the auto, I mean obviously it's a lot more beneficial to have the auto going all the time, since you don't have to constantly hit the Render button. Well the reason why is because rendering in Layout can take some time if you're working with very large models or very large paper sizes, and the reason why is because remember these are in fact paper sizes. Which means that these renderings occupy a certain amount of ppi, pixels per inch, and because of that they actually have a certain amount of sizable file size weight to them that needs to be processed whenever their re-rendered. So if you're making lots of changes to big models on the fly, you can really slow down your experience in Layout significantly. And in that way what they have set up this system is so that you can make a bunch of changes and say OK, well I'm going to do that, and I'm going to change over to that, but if I just go ahead and hit Render, now I get the changes, so that I can make multiple changes without having to wait in between the different changes that I make. For our lessons I'm going to go ahead and leave Auto on, but you're obviously probably going to at certain times want to turn that Auto off, and that's an important thing to know. Now in addition to this, we'll go back here to our file, and I'll just make some changes so you can see that the Auto is in fact in going. When we are dealing with a SketchUp model that has a sky or a ground plane or something like that, we're not going to be able to do much in the way of getting rid off that background. That's basically part of the style and it really doesn't go away. However if we go over here to something like say our browns modified, this style actually has a solid color background, it doesn't have a sky, but it has a solid color background, and right now that solid color background is transparent. If I slide this over you'll see that over our paste board, that, that's transparent, and this can be very useful from a design point of view. However, if you want this to have the full effect of the style, all you need to do is turn that background button on. And now we get the full effect of the style. Now this is less important with something like say our rough style or our hidden line style, because generally speaking you don't really care if you see white paper or not, behind there, although there might be some times when you do want that. Now next to this, this determines our line weight. And our line weight is a real actual line size, so let's go in here and go to a 100 percent, you'll notice that we're getting that sort of, bitmappy looking line right now, and the reason why, is because we're rendering in raster mode, so this is an actual bitmap image like a JPEG or a PNG or whatever you want. We can control the line weight here by changing the setting right here. So let's say I just want to go ahead and set that line weight to something like two points. Now you can see that now I have a much larger line weight. Now all of this is based upon some settings and the preferences which we'll come back to later, but I wanted you to know where and how you can change those line weights to be whatever it is that you want them to be. So I'll just leave those right now for one point. Now I mentioned before that we're rendering in raster mode, and the rendering in raster mode, is sometimes not going to give you such great quality, but again this is tied to some settings in the preferences which we'll come back to later. If you want a really crisp line style, the best way of getting is that, is to go into a vector mode, but what happens when we go to vector mode, is that a lot of the raster options that are supported, are no longer supported. So I'm just going to go ahead and turn in vector, and it gives me the warning here, so I'm just going to go ahead and do not show that message again, because I already know that it cannot represent complex styles, and I'm going to hit OK. And now all of my glass has gone opaque, it no longer has transparency. That effect in this particular style is gone. Let's go over and I'll change back to raster, and let's go to my rough style, which is using the sketchy edges, and why this may be really nice and a big part of what I want to do, and I'll change this one to say something like point 25 so we get really thin lines. This looks very much like a really refined pencil sketch. If I want that to translate and I change it over to vector, let's see what we get. See all of those nice sketchy edges are gone, and that's really not so good. So why would you use vector, why not just use raster all the time. Well when you have something like these hidden line styles, so this is a hidden line style, and I'm just going to change that one to point five, this hidden line style, even though we're going to lose our transparency, when we go to vector, look what happens to those lines. See how much crisper they are, and as a matter of fact, if we zoom in, to say something really high, like 400, you can see that they're still nice and crisp. This is the strength of vector versus raster, so if I go back over to raster, zoom into 400 percent, you can see what I mean. I mean that's just no good at all, so you say OK, well sometimes vector is good, and sometimes raster is good, well there's also a third mode, and that's hybrid. And what hybrid tries to do, is it tries to find a balance between the two effects, giving you the vector qualities of the edges, and the raster quality of the faces. So let me go ahead and show you that, and this one's going to say that it's effective at representing complex styles, but it can take much longer to render. This is obviously something you'll want to be aware of if you're taking a long time to render. Hit OK. So here we get at least something that's a little bit more representative of what we would expect as far as that's concerned. Let's go over to something like Jason rough, see we still don't get our sketchy edges, let's go over here to our browns, now we at least get something going on with our transparency which we don't get with our vector. See vector, that goes completely so at least the hybrid's giving you something, and it's giving you the strength of the clean lines. This is probably going to be most noticeable when you're doing something like the earth modeling. This one's going to look a lot better, because if you do this in the vector mode, you're going to see what that looks like. It doesn't look anything like what you want, so the raster is really the best way for these types of highly rendered type styles, but the hybrid can be something that you can use in a pinch if you need that vector quality, and there are times when you need that. Now the most important thing to know, I would leave it on raster if you're going to have your shadows turned on, because you will not have access to shadows or fog when you're working in the vector mode. See what happens is a lot of our salty from our shadows has completely gone away, and what we're left with is something that I don't think is all that attractive, and if we go to vector, they go away completely. So raster is definitely the way to go, it just gives your shadows that highly rendered look that SketchUp is known for, and I really think that, if you're going to work with shadows or fog, that's the way to go.
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