You can create and save selections and fill them with different colors. (Answer: Posterize is a special effect that is created by reducing the number of colors available for the image) True/False. Save Selection dialog box Pure Yellow Orange swatch on the Swatches panel The finished project Adobe Photoshop CS5 - Illustratedġ8 CLASSROOM ACTIVITIES What does posterize mean in Photoshop? The Swatches panel can be used to change the foreground and background colors click a swatch and the foreground color changes click the Eyedropper tool and sample any pixel from the image which also changes the foreground color To save colors that are created, simply float the pointer over a white area of the Swatches panel when the pointer changes to a paint bucket icon click to add the color as a new swatch Adobe Photoshop CS5 - Illustrated Making selections can be some of the most complex and time-consuming work when using Photoshop It makes sense then to be able to save selections with the Photoshop file Saving a selection is always a smart idea so that it can be easily accessed in the future Adobe Photoshop CS5 - Illustratedġ6 Saving and Loading Selections Saving Color Swatches What is the first step you should do before modifying the object? (Answer: Select it) Adobe Photoshop CS5 - Illustrated Selecting the white pixels Selecting pixels without the Contiguous option Results of changing the hue of selected pixels Adobe Photoshop CS5 - Illustratedġ4 CLASSROOM Activities Discuss the difference between tolerance and contiguous. The Magic Wand tool is very powerful Click any pixel on the canvas and the Magic Wand tool selects other pixels based on tolerance-the similarity of their colors the greater the tolerance value that is set for the tool, the more pixels it will select click the Contiguous check box on the Options bar to specify that the Magic Wand tool selects only pixels that are contiguous (touch) the area otherwise the Magic Wand tool will select similar pixels throughout the image Adobe Photoshop CS5 - IllustratedĪs with any selection, once the pixels are selected that are needed they can be modified in many ways Zooming in on areas of the image that are to be selected always helps when making selections including colors using the Hue/Saturation dialog box Adobe Photoshop CS5 - Illustrated (Answer: Lasso, Polygonal, and Magnetic) Which key do you press to add small selections of pixels? (Answer: Shift) Adobe Photoshop CS5 - Illustrated Positioning the fifth piece Adobe Photoshop CS5 - Illustratedġ0 CLASSROOM ACTIVITIES What are the three types of Lasso tools? Using the Lasso Tools There are three types of Lasso tools in Photoshop Lasso, Polygonal, and Magnetic Lasso tools are used for making free-form selections click and drag anywhere on the canvas to create a section of pixels it is usually easier to make small selections and use the Shift key to add them to create a more complex shape the Polygonal Lasso tool functions like the Lasso Tool but with straight lines making it great for selecting shapes that are geometric Adobe Photoshop CS5 - Illustratedĩ Using the Lasso Tools Selecting the interior of the object (Answer: True) What does the shift key do? (Answer: it adds to an existing selection, and it constrains a selection to a perfect shape) Adobe Photoshop CS5 - Illustrated The Elliptical Marquee tool is used for making oval or circular selections. Positioning the first piece Repositioning the circle piece Adobe Photoshop CS5 - Illustrated The black triangle on some tool icons indicates that there are additional hidden tools beneath the currently displayed tool If not happy with a selection then it can be deselected and started over Adobe Photoshop CS5 - Illustrated In order to modify pixels they first need to be selected The Marquee tools are the most basic tools available for making selections in Photoshop The Rectangular Marquee tool is used for making rectangular or square selections The Elliptical Marquee tool is used for making oval or circular selections Pixels can be added to an existing selection and can be removed from a selection by using quick keys Adobe Photoshop CS5 - Illustrated Objectives Work with and save alpha channels Understand anti-aliased edges Work with a feathered edge Refine selection edges Adobe Photoshop CS5 - Illustrated Objectives Use the Marquee tools Use the Lasso tools Use the Magic Wand tool Save and load selections Adobe Photoshop CS5 - Illustrated 1 Adobe Photoshop CS5 – Illustrated Unit B: Selecting Pixels
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