Using Guides

Guides are non-printable horizontal and vertical lines that you can display on top of an image to help you position a selection. You can create an unlimited number of horizontal and vertical guides. You create a guide by displaying the rulers, positioning the pointer on either ruler, then clicking and dragging the guide into position. Figure 3 shows the creation of a vertical guide in a file that contains two existing guides. You delete a guide by selecting the Move Tool on the toolbox, positioning the pointer over the guide, then clicking and dragging it back to its

FIGURE 3

Vertical guide added with two existing guides

FIGURE 3

Vertical guide added with two existing guides

MOH IM.SK/Inj.or ►

ruler. If the Snap feature is enabled, as you drag an object toward a guide, the object will be pulled toward the guide. To turn on the Snap feature, click View on the menu bar, then click Snap. A check mark appears to the left of the command if the feature is enabled.

QUICKTIP

Double-click a guide to open the Preferences dialog box to change guide colors, width, and other features.

FIGURE 4

Rectangular Marquee Tool selection

Create a selection with the Rectangular Marquee Tool

TABLE 2: Working with a Selection

if you want to

then do this

Move a selection (an image) using the mouse

Position the over the selection, then drag the marquee and its contents

Copy a selection to the Clipboard

Activate image containing the selection, click Edit > Copy

Cut a selection to the Clipboard

Activate image containing the selection, click Edit > Cut

Paste a selection from the Clipboard

Activate image where you want the selection, click Edit > Paste

Delete a selection

Make selection, then press [Delete] (Win) or [delete] (Mac)

Deselect a selection

Press [Esc] (Win) or [D] (Mac)

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1. Start Photoshop, open PS 3-1.psd from the drive and folder where your Data Files are stored, then save it as Sewing Box.

2. Display the rulers (if they are not already displayed) in pixels.

3. Open PS 3-2.psd, then display the rulers in pixels for this image (if they are not displayed).

Click the Rectangular Marquee Tool I—i on the toolbox.

5. Make sure the value in the Feather text box on the options bar is 0 px.

Feathering determines the amount of blur between the selection and the pixels surrounding it. Drag the Marquee pointer to select the tape measure from approximately 20 H/20 V to 260 H/210 V. See Figure 4.

The first measurement refers to the horizontal ruler (H); the second measurement refers to the vertical ruler (V).

TIP You can also use the X/Y coordinates displayed in the lower-left corner of the Info palette.

Click the Move Tool N- on the toolbox, then drag the selection to any location in the Sewing Box image.

The selection now appears in the Sewing Box image on a new layer (Layer 1).

TIP Table 2 describes methods you can use to work with selections in an image.

Using the Rectangular Marquee Tool, you created a selection in an image, then you dragged that selection into anotherimage. This left the original image intact, and created a copy of the selection in the image you dragged it to.

Position a selection with the Move Tool

1. Verify that the Move Tool is selected on the toolbox.

2. If you do not see guides in the Sewing Box image, click View on the menu bar, point to Show, then click Guides.

3. Drag the tape measure so that the top-right corner snaps to the ruler guides at approximately 1030 H/330 V. Compare your image to Figure 5.

Did you feel the snap to effect as you positioned the selection within the guides? This feature makes it easy to properly position objects within an image.

TIP If you didn't feel the image snap to the guides, click View on the menu bar, point to Snap To, then click Guides.

4. Rename Layer 1 Tape Measure.

You used the Move Tool to reposition a selection in an existing image, then you renamed the layer.

FIGURE 5

Rectangular selection in image

FIGURE 5

Rectangular selection in image

Using Smart Guides

Wouldn't it be great to be able to see a vertical or horizontal guide as you move an object? Using Smart Guides, you can do just that. Smart Guides are turned on by clicking View on the menu bar, pointing to Show, then clicking Smart Guides. Once this feature is turned on, horizontal and vertical purple guide lines appear automatically when you draw a shape or move an object. This feature allows you to align layer content as you move it.

FIGURE 6

Deselect command

FIGURE 6

Deselect command

Shortcut can be used instead of clicking the menu toad Selection. Save Selection.

toad Selection. Save Selection.

Deselect a selection

Shortcut can be used instead of clicking the menu

FIGURE 7

Save Selection dialog box

FIGURE 7

Save Selection dialog box

1. Click Window on the menu bar, then click PS 3-2.psd.

TIP If you can see the window of the image you want anywhere on the screen, you can just click it to make it active instead of using the Window menu.

2. Click Select on the menu bar, then click Deselect, as shown in Figure 6.

You hid the active layer, then used the Deselect command on the Select menu to deselect the object you had moved into this image. When you deselect a selection, the marquee no longer surrounds it.

Saving and loading a selection

Any selection can be saved independently of the surrounding image, so that if you want to use it again in the image, you can do so without having to retrace it using one of the marquee tools. Once a selection is made, you can save it in the image by clicking Select on the menu bar, then clicking Save Selection. The Save Selection dialog box opens, as shown in Figure 7; be sure to give the selection a meaningful name. When you want to load a saved selection, click Select on the menu bar, then click Load Selection. Click the Channel list arrow, click the named selection, then click OK.

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