Adding and Deleting Keyframes

You can add or delete keyframes in a variety of ways when focused in a Animation Editor.

To add a single keyframe to an animation curve:

1. Press and hold the Alt key.
2. Place the cursor on the curve at the point where you want to add a keyframe.
   
3. Click once.

   A single keyframe is added.

To delete a single keyframe from an animation curve:

1. Press and hold the Alt key.
2. Move the cursor over an existing keyframe. “K+” will be shown next to the cursor.
3. If needed, enlarge radius of eraser by pressing Ctrl + click and moving the cursor to the right (to increase) or to the left (to decrease).
   
4. Place the cursor on the curve at the point at which you want to remove the keyframe.

   Note that the cursor becomes active (turns from orange to yellow) when it comes in contact with a keyframe.

   
5. Click once.

   The keyframe is deleted.

   To remove more than one keyframe with a single mouse click, enlarge the cursor so that it encircles several keyframes.

   
6. Click once. All keyframes within the area of the cursor are deleted.

To quickly delete a series of keyframes along an animation curve:

1. Press and hold Alt + Shift.
2. Drag the mouse along the curve.

   The keyframes are deleted.

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