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Illustrator can be used to accomplish many different design tasks. For this reason, Illustrator CS4 Essential Training teaches core concepts and techniques that can be applied to any workflow for print, the web, or assets that will find their way into other applications. Mordy Golding explains the elements that make up vector graphics—paths, strokes, and fills—and shows how to use each of Illustrator's drawing tools. He demonstrates how to combine and clean up paths, and organize them into groups and layers. Mordy also covers text editing, working with color, expressive brush drawing, effects, and much more. Exercise files accompany the course.
So now we understand why Live Effects are called Live Effects, because they don't affect the underlying path structure. They only affect the appearance of a particular object, which means that as you make changes to that underlying structure, those changes now are reflected in the actual final appearance of that object. However, there maybe times when we actually want to see the path structure changing based on the appearance that you have made. Let's take a look at one example of where that would be important. I'm working at the same appearances file. I just reopen the file again. I'm going to select that object right now and let's go ahead and leave the regular fill and stroke that set right now and let's apply a different type of effect to this object. For example, when we go over here and choose to add a new effect and rather than choose 3D, let's go ahead and choose Distort and Transform and maybe I'll choose one here called Twist.
Twist basically allows me -- I'll choose a Preview here, to specify an angle say 45 degrees for example and makes it look like that object was twisted on this 45 degree angle. It's kind of like a tornado, which is kind of like spinning around that it kind of distorted or twisted that particular shape there. If I want to say for example, to 90 degrees, see how it kind of flips it to that particular way it kind of goes that little twist to it. So I now have created that, if I click OK remember that what I have just done now as I have changed the appearance, so it look as if it's twisted, however, if I look at the actual underlying path I'll see that it's not. If I go to the View menu and I choose Outline, I see the path that's here. In fact, I'm going to choose Preview for a minute here. You don't have to go to Preview mode.
If you do have smart guides turned on. For example, I'll go to View and choose Show Smart Guides here then as you mouse over the shape, you will see that the actual path itself is what highlights, but not the appearance itself. So that helps to identify that this particular effect is the appearance is applied to it but the underlying path is right over here. But let's say you are working in a particular situation or you want to make some kind of modification to this to this path itself. You want to may be tweak it just a little bit, but because this is an appearance you can't select this part of the path, you can only work with the actual vector path that's here.
In this case what you want to do is you want to basically take that Live Effect and expand it so that you have the ability to edit the path itself. Doing so makes the effect no longer a live effect but you can almost think of it as it is making it a dead effect, meaning that you want to take the physical appearance of the object and use that as the path and not the underlying original path structure. To do that, simply select the object itself, go to the Object menu and choose this option here called Expand Appearance. When you do so, you will notice that right now-- take a look at my Appearance panel. I have a group, which I'll talk more about groups in the next chapter, but what I had now is a single shape inside of that group, but now I have a anchor point in the path itself on that twisted object and that Twist effect is no longer available to me inside of the Appearance panel because the Twist effect is no longer here. It's not in the appearance that's been changed any more; the actual appearance has been converted to and modified the underlying path.
Should I now go into the Outline mode, you will see that the path itself exists in this twisted state. So I'll go back to Preview mode and now you have this understanding of where appearances fit now inside of your workflow. As you are working by default and you are adding effects, the effects are live, they don't affect the underlying shape of the object but they do affect the overall appearance of that object. However, in times when you do want your particular effects to be applied to the object itself, you go ahead and you expand them. Let me give you a practical example of where this makes sense. I'll delete the shape overall completely and I'll take a regular rectangle and I'll draw a rectangle on my screen, this doesn't make a difference what size you created, just want to create a rectangle here. I'll use the default one point stroke and a white fill here and when I go to the Effect menu here, and when I go ahead and choose Stylize. I'm going to apply this setting here called Round Corners, this one actually -- if I click on the Preview button here, apply rounded corners to this rectangle.
Maybe just make a little bit bigger so we can see what it looks like. Let's say 25 right here. So you see now that I have had these rounded corners here. But these rounded corners are applied as an effect. I can't actually select a rounded corner and make a change to one of them. For example, maybe I wanted one of these corners not to be rounded corner, but I can't do that because the rounded corner effect just applies to the shape overall. If I go into Outline mode, I'm going to press Command+Y on my Mac or Ctrl+Y on the PC, to see that the actual path itself has not been effected as live effects do and I had the regular original rectangle here.
But the appearance of it, it looks like it has rounded corners. But like I said before if I want to access that I would need to now expand that appearance. I'm going to go the Object menu with that object selected, choose Expand Appearance. Now, I have the actual anchor points here and if I wanted to make an adjustment to the way that these particular anchor points were, I can adjust these particular points as I want to. In this particular way making some adjustments as I want to here. So in order for me to make that change though, I need to first expand my appearance, so that I can get at those underlying vectors that way. Remember I have to now change the underlying structure of that path.
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