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- [Instructor] In this
movie, I'll show you

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how to take advantage of
continuous animated zooming,

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which is a function of the
new GPU performance function

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here inside Illustrator.

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So, we're getting into a
little bit of early technical

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information, but it's important stuff,

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as you're about to see.

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So, first the feature.

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What you do is select the zoom tool,

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or just go ahead and press
the control and space bar keys

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here on the PC, or command
and space bar on the Mac.

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And then click and drag, and
if you drag to the right,

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you're going to zoom in continuously
as we're seeing right here

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and notice that I end up
with a custom zoom level,

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in my case of 178.99%.

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You're results of course are going to vary

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depending on how far
you drag to the right.

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And you can continue to take
advantage of that feature

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just by once again pressing
the control and space bar keys

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that's command and space bar on the Mac,

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and then again dragging to the right.

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If you want to zoom out, and
you can do this on the fly

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before you release the
keys, you just go ahead

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and drag to the left instead,
and notice that your cursor

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changes to a magnifying glass

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with a minus sign inside of it.

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There's no need to press the
alt key or the option key

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in order to take advantage of this trick.

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So you're just dragging
to the right to zoom in,

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and dragging to the left to zoom out.

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Now, one of the really fun
things about this feature

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is that you don't have
to keep the keys down,

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so watch this.

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I'm going to go ahead and
zoom in on David's eye here

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by pressing the control
and space bar keys,

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that's the command and
space bar keys on the Mac,

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and I'll begin dragging to the right,

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and now I have released the keys.

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I still have the mouse button down,

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but I'm no longer pressing any keys,

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and now I can just drag
to the left to zoom out,

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or the right to zoom in,
and I can do it as quickly,

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or slowly as I like.

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So it's a pretty great feature,
once you get used to it.

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Now let's say you prefer the old behavior.

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And by old behavior, let me show you.

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I'll go ahead and press controls here,

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or command zero on the Mac,

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to fit the active artboard on the screen.

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And then I'll go up to this
little rocket ship icon,

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which is located in a separate
bar above the menu bar

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on the Mac over here in
the upper left corner.

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In any event, notice when you
hover over the rocket ship

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it tells you that GPU performance
is enabled as by default.

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Just go ahead and click
on the icon to bring up

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the preferences dialog box.

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And notice that in my case I have

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a total of three check boxes.

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One for GPU performance,

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we'll come back to that in a moment.

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One for animated zoom,
which is that feature

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we were just seeing.

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And then many of us
have enhance thin lines,

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which you're only going to
see that check box if you're

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working with very specific
varieties of NVIDEA cards.

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That is, a display card
that's created by NVIDEA,

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such as the professional
grade Quadro series,

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which are generally
considered to be the best

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graphic cards on the market.

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And what this little
checkbox does is it makes

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faint lines thicker when you're zoomed

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way out from a document.

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It's hardly worth showing,
it's a very subtle feature,

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and you can check that out on your own,

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if you're interested, but
this guy's very important.

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For now, I'm going to
go ahead and turn it off

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so that we can see the alternative.

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And now click okay.

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Alright now notice what
happens when I press

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the control and space bar keys,

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that's command and space bar on the Mac.

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And I drag inside of David's face.

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This time instead of zooming
in when I drag to the right,

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I draw a rectangular marquis,
and then as soon as I release,

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I zoom in on that marquis'd area.

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And again you still get
a custom zoom level.

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In my case 763.46%, and
it's a little bit less

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ambiguous because you
know exactly the detail

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that you're zoomed in on.

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And now, if that's not
the area that I want,

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I'll just go ahead and
control alt space bar click,

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that'd be a command option
space bar click on the Mac

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to zoom out, and then
I would just go ahead

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and control space bar,
or command space bar drag

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around a different detail,

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such as this orange leaf ornament.

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So it's up to you how you decide to work.

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But this old school technique,
this is the way it's worked

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inside of Illustrator for just about ever.

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Allows you to zoom very
quickly in on tiny,

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itty bitty details like
my bacteria right here,

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my little blue bacteria.

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So now, if I control space
bar, or command space bar drag

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around it, I'm able to see
it nice and big as well.

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So, totally up to you.

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Now one addition thing
I want to mention here,

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and by the way, I just
pressed control zero,

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or command zero on the Mac twice to zoom

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way too far out, I don't
know what that was about,

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and then I just pressed
the keyboard shortcut again

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to zoom in on the active artboard.

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The thing about this whole
GPU performance function,

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which is ultimately drawing a
preview of your illustration

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using the functions on your video card,

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which allow Illustrator
to draw more quickly

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and more smoothly, the thing
is that it is a new feature,

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and it doesn't always work
the way you want it to.

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For example, just the other
night I was using Illustrator

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on my MacBook Pro, and
for whatever reason,

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when I zoomed in on David,
his eyes disappeared,

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and he had a bunch of
scribbles across his face.

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I'm totally serious, and
that's the kind of stuff

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you can run into.

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If you encounter that
problem, then you can turn off

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the GPU preview temporarily
by going to the view menu

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and choosing preview on CPU,
which allows your computer

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to be in charge of the preview instead.

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And that will take care of the problem.

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That will also however
make your placed images

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look more choppy, and in order
to see what that looks like,

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I'm going to go ahead and bring up

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the art boards panel once again
by going to the window menu

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and choosing art boards.

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And then I'll go ahead and
double click on art board five

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right here in order to
switch to that art board

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and fit it on screen as well.

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And notice how choppy
these transitions are.

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This is an image that I
created inside of Photoshop,

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hence these photographic
details right here.

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And so notice if I start zooming in

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by pressing control plus
or command plus on the Mac,

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things start to get a little
less jagged on screen,

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but they're still pretty jagged.

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I don't know if you can make that out.

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Whereas, if I return to the view menu

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and choose GPU preview this time,

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so that command toggles back and forth,

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now we're ending up with
a much smoother display

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of this imported image at
all kinds of zoom levels.

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So the new GPU preview function
does have its advantages.

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Alright, I'm going to do one last thing.

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I'm going to go ahead and click
on the rocket ship once again

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in order to bring up this panel,

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the preferences dialog box.

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I'm going to turn animated zoom back on

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because I actually like that feature,

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but I do want you to know one more thing.

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If your previews are
looking bad chronically,

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if they keep looking bad from
one illustration to another,

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you've got three options,
one of which is to update

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the driver for your video
card, and you'll have to look

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up how to do that online.

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Another is to quit
Illustrator and then restart

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the program, and see if things get better.

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That often takes care of problems.

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And then finally, if you
just can't get the darn

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thing to work, you can
turn off GPU performance.

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And that's going to make
your imported images

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look jagged, and it may slow things

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down a little bit as well.

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But it will insure that all of your images

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look the way they're intended to.

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In any event, I'm going
to turn that back on.

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I'm going to leave animated
zoom turned on as my default.

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And then I'll click okay in
order to accept that change.

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And that's how you take
advantage of the new

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continuous animated
zoom, as well as exploit

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the powers of GPU performance
here inside Illustrator.