Using guides and the grid
Guides appear as lines that float over the entire image and do not print. You can move, remove, or lock a guide to avoid accidentally moving it. In Photoshop, a grid appears by default as nonprinting lines but can also be displayed as dots. The grid is useful for laying out elements symmetrically. Guides and grids behave in similar ways: - Selections, selection borders, and tools snap to a guide or the grid when dragged within 8 screen (not image) pixels. Guides also snap to the grid when moved. You can turn this feature on and off.
- Guide spacing, along with guide and grid visibility and snapping, is specific to an image.
- Grid spacing, along with guide and grid color and style, is the same for all images.
To show or hide a grid or guides: Do one of the following: - (Photoshop) Choose View > Show > Grid.
- Choose View > Show > Guides.
- Choose View > Extras. This command also shows or hides: (Photoshop) selection edges, target path, slices, and notes, or (ImageReady) selection edges, slices, image maps, text bounds, text baseline, and text selection. (See Working with Extras.)
To place a guide: - If the rulers are not visible, choose View > Rulers.
Note: For the most accurate readings, view the image at 100% magnification or use the Info palette. - Create a guide:
- (Photoshop) Choose View > New Guide. In the dialog box, select Horizontal or Vertical orientation, enter a position, and click OK.
- (ImageReady) Choose View > Create Guides. In the dialog box, specify guide options and click OK.
- Drag from the horizontal ruler to create a horizontal guide.
- Hold down Alt (Windows) or Option (Mac OS), and drag from the vertical ruler to create a horizontal guide.
- Drag from the vertical ruler to create a vertical guide.
- Hold down Alt (Windows) or Option (Mac OS), and drag from the horizontal ruler to create a vertical guide.
- (Photoshop) Hold down Shift and drag from the horizontal or vertical ruler to create a guide that snaps to the ruler ticks.
The pointer changes to a double-headed arrow when you drag a guide.
To move a guide: - Select the move tool , or hold down Ctrl (Windows) or Command (Mac OS) to activate the move tool. (This option does not work with the hand or slice tools.)
- Position the pointer over the guide (the pointer turns into a double-headed arrow).
- Move the guide:
- Drag the guide to move it.
- Change the guide from horizontal to vertical, or vice versa, by holding down Alt (Windows) or Option (Mac OS) as you click or drag the guide.
- (Photoshop) Align the guide with the ruler ticks by holding down Shift as you drag the guide. The guide will snap to the grid if the grid is visible and View > Snap To > Grid is selected.
To lock all guides: Choose View > Lock Guides.
To remove guides from the image: Do one of the following: - To remove a single guide, drag the guide outside the image window.
- To remove all guides, choose View > Clear Guides.
To turn snapping to guides on or off: Choose View > Snap To > Guides. (See Using the Snap command.)
To turn snapping to the grid on or off (Photoshop): Choose View > Snap To > Grid. (See Using the Snap command.)
To set guide and grid preferences (Photoshop): - Do one of the following:
- In Windows or Mac OS 9.x, choose Edit > Preferences > Guides, Grid, & Slices.
- In Mac OS X, choose Photoshop > Preferences > Guides, Grid, & Slices.
- For Color, choose a color for the guides, the grid, or both. If you choose Custom, click the color box, choose a color, and click OK. (See Using the Color palette.)
- For Style, choose a display option for guides or the grid, or both.
- For Gridline Every, enter a value for the grid spacing. For Subdivisions, enter a value to subdivide the grid.
If desired, change the units for this option. The Percent option creates a grid that divides the image into even sections. For example, choosing 25 for the Percent option creates an evenly divided 4-by-4 grid. - Click OK.
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