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Before we take a look at animation, we need to take a look at the onscreen
controls with the Transform node, or what they call the Transform jack.
To make a nice, simple example, let's go to the Image tab and get ourselves a CheckerBoard.
It comes in selected. To add the Transform node, all we have to
do is press T on the keyboard and to connect that up to the viewer, all we have
to do is press 1 and that'll hook it up to the input 1 of the viewer.
Let me increase the size of our Viewer window here, so we can see what's going on.
And we don't need the CheckerBoard anymore, so we'll close that Property panel.
And the Transform node is one of many nodes that has onscreen controls and
don't forget you can hide them by going up to the Transform tab and folding it
up with the little triangle. The onscreen Transform control duplicates
all of the functions you see here in the Property panel.
Put in the cursor inside the circle, Click+Drag and we can do a Translate.
I can move the Pivot Point or what they call the Center, by putting the cursor
on the center point, Command+Click+ Drag and that repositions the Pivot Point.
This is the Rotate bar, so we can introduce a rotate and we'll Control+Z to undo that.
This is the scale ring. If you put your cursor right on that ring,
Click+Drag, you can do a uniform scale in X and Y. We'll
undo that. If you want a constrained scale in X, it's
either this button or that one, Click+Drag, constrain scale in X, Undo.
A constrained scale in Y, this button or that button, Click+Drag, undo. And for a
skew just use the skew handles here or here and introduce a skew to the picture.
We'll reset the entire node with the rightmost pop-up > Set knobs to default.
One thing I wanted to show you was the 10 key pad nudge.
We'll zoom in here a little bit. On the 10 key pad, but your middle finger
on the number 5. Now tap the number 4, left, left, left, left,
left, or the number 6 right, right, right, right, right.
You can nudge it up with the 8 up, up, 8, 8, 8 or down with the 2, 2, 2, 2, 2, 2.
So, the 10 key pad nudge works with all onscreen transforms as well as all
control points on any spline, such as animation curves or bezier splines.
In addition, to the onscreen controls, of course, we can go up and edit the
parameters themselves right here using all the editing capabilities that we saw
in the previous movies: typing in a number, or set the cursor and
click next to it and do up and down arrows, or plant the cursor in the middle,
do Alt+Middle mouse+Drag or if you have a slider, move the slider.
And if we want to reset any slider back to default, just do Command+Click on the
slider bar and that one parameter goes back to default.
If you want to set just this one window back to default, right-mouse-click and
Set to default and that one parameter will go back to default.
Now that we know how to use the on- screen Transform jack, we are ready to take a
look at keyframe animation in our very next movie.