Operating from the Viewer Window

You can adjust the height and width of the effect application area by hovering the , or cursor over the edges of the image and dragging the resize tool vertically, horizontally, or diagonally:

You can change the position of the effect application area on a particular frame by dragging it with the cursor:

If animation is enabled for the "Position" parameter, any position change will force a new keyframe to be created at that particular frame, if there was none. In the viewer window you will see the trajectory of all located keyframes and when you start playing a media file, you can track the current position of the effect application area by its center point on the graph:

All keyframes displayed here can be manipulated with the mouse. Drag a keyframe with the cursor to reposition it in the viewer window. For those keyframes that have handles, dragging the handles with the cursor sets curves to define the keyframe transition pattern.

It is possible to rotate a clip clockwise or counter-clockwise directly in the viewer using the cursor:

Typically, a clip is rotating around its anchor point located in the center of the "canvas". You can move this point using the cursor, and then rotate the clip around that point: