Apple Motion 3 - Manual (Page 53)

Chapter 1 Getting to Know Motion 53
To add a horizontal or vertical guide to the Canvas:
1 In the Toolbar, click the Select/Transform tool (or press S).
2 Click in the gray area of the horizontal or vertical ruler, and drag into the Canvas.
As you drag, the value of the guide is displayed in the Canvas.
Note: Guides must be enabled in the View menu (press Command-semicolon) to
display the guides.
The ruler units are in pixels, with the 0,0 point in the center of the Canvas.
3 When the guide is in the location you want, release the mouse button.
To simultaneously add a horizontal and vertical ruler to the Canvas:
1 In the Toolbar, click the Select/Transform tool (or press S).
2 Drag from the corner in which the rulers meet into the Canvas.
3 When the guides are in the location you want, release the mouse button.
To remove a guide from the Canvas:
m In the Toolbar, click the Select/Transform tool (or press S), then drag the guide off the
Canvas.
To change the location of the rulers:
1 Choose Motion > Preferences.
2 In the Canvas pane, choose a ruler layout from the Ruler Location pop-up menu.