Adobe Photoshop CS3 Manual de usuario descargar pdf (Pagina 50)

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PHOTOSHOP CS3

User Guide

Measure between two points

Select the Ruler tool .

2 Drag from the starting point to the ending point. Hold down the Shift key to constrain the tool to 45˚ increments.

3 To create a protractor from an existing measuring line, Alt-drag (Windows) or Option-drag (Mac OS) at an angle

from one end of the measuring line, or double-click the line and drag. Hold down the Shift key to constrain the tool

to multiples of 45˚.

Edit a measuring line or protractor

Select the Ruler tool .

2 Do one of the following:

• To resize the line, drag one end of an existing measuring line.

• To move the line, place the pointer on the line away from either endpoint, and drag the line.

• To remove the line, place the pointer on the line away from either endpoint, and drag the line out of the image, or

click Clear in the tool options bar.

Note: You can drag out a measure line on an image feature that should be horizontal or vertical, and then choose

Image > Rotate Canvas > Arbitrary. The correct angle of rotation required to straighten the image is automatically

entered into the Rotate Canvas dialog box.

Position with guides and the grid

Guidesandthegridhelpyoupositionimagesorelementsprecisely.Guidesappearasnonprintinglinesthatfloatover

the image. You can move and remove guides.You can also lock them so that you don’t move them by accident.

Thegridisusefulforlayingoutelementssymmetrically.Thegridappearsbydefaultasnonprintinglinesbutcanalso

be displayed as dots.

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.

You can use Smart Guides to help align shapes, slices, and selections. They appear automatically when you draw a

shape, or create a selection or slide. You can hide Smart Guides if you need to.

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Adobe Photoshop CS3 Manual de usuario Pagina 50

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