Lesson 4

Question 1

How does motion let you know that recording is enabled ?

Answer 1

The red button turns red and all keyframeable value fields in the inspector turn red

Question 2

which parameters of a layer nor group are keyframes when recording is turned on and their values are changed?

Answer 2

All Keyframe parameters will bekeyframedby default if you change their values with recording enabled. You can change the recording options by double clicking the Record Button and selecting the the check box to record the key frames or animated parameters only

Question 3

how many keyframes do you need to complete an animation?

Answer 3

You need at least 2 keyframes with different values.

Question 4

the position of a video is keyframed at 1:00 and 5:00, but does not move. Why ?

Answer 4

because the keyframes have the same value

Question 5

How do you open the key frame editor ?

Answer 5

choose window> keyframe Editor, or press Command 8

Question 6

How do you change the interpolation for a keyframe curve?

Answer 6

in the key frame editor from animation pop up menu, CHOOSE INTERPOLATION,
submenu has 4 interpolation options
-Constant
-Linear
-Bezier
-Continous
you can also control click a keyframe or a curve ninth Keyframe editor

Question 7

How can you set the interpolation for a keyframe to Logarithmic?

Answer 7

In the Keyframe editor, you can change the induvidual keyframes along a curve by control- clicking a keyframe and choosing the interpolation type. This technique provides access to five additional interpolation option: Ease in,Ease out, Ease both, Exponential, and Bezier

Question 8

You want to set a keyframe at 3:15 for the scale of three layers that are each in different groups. How can you set it for all of them at once?

Answer 8

Command-click each of the layers to select them. Then click the Animation pop-up menu in the Properties Inspector for Scale and choose Add Keyframe, or click the keyframe icon.

Question 9

When you set a keyframe with recording enabled at a frame that is not at the beginning of a layer, what does Motion do automatically?

Answer 9

Motion automatically sets a keyframe at the beginning of a layer if recording is enabled when you change the value of a parameter at any other point in time.

Question 10

When setting keyframes manually, which do you do first—set the keyframe or change the value—and why?

Answer 10

Always set the keyframe first and then change the value when setting keyframes manually; otherwise, the value will change for the entire duration of the layer, not just at the keyframe.

Question 11

What parameters can be keyframed?

Answer 11

Any parameter of any layer, group, or effect that has an Animation pop-up menu in the Inspector.

Question 12

Keyboard shortcuts

A

Control-K

Command-8

Shift-K

Option-K

Answer 12

A= Toggle recording off and on

Control -K = Add a keyframe for the last animated property

Command-8 = Open the Keyframe Editor

Shift-K = Move to the next keyframe

Option-K =Move to the previous keyframe