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Writing ED material

Jan 13, 2015

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Technology

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  • 1. Done by: Raqaya Al_Busaidi ID: 90535

2. Table of Contents Instruction Introduction Lessons Quiz 3. Instruction Action buttons: To move backTo move forward To move to home slide 4. Introduction As you work with Adobe Photoshop, youll discover that there is often more than one way to accomplish the same task. To make the best use of the extensive editing capabilities in these programs, you first must learn to navigate the work area. 5. Lessons Working with Selections Masks and Channels Adobe Basic Photo Corrections 6. Working with Selections 7. Working with Selections Overview Sections practice 8. Overview Learning how to select areas of an image is ofprimary importance you must first select what you want to affect. Once youve made a selection, only the area within the selection can be edited. Areas outside the selection are protected from change. 9. Sections section1: Practicing making selectionsection2: Moving selection contents section3:Selecting with the magic wand tool 10. section1: Practicing making selections In this section, youll experiment with making selections before you begin working in earnest on your sample files. By working with the tools in a practice session, youll understand better how the basic tools work and how to use them. YoullA CB Dalso learn about selecting and moving as a twostep process. In Photoshop, you first select the part of an image you want to move with one of the selection tools. After you select it, you can thenA. Marquee tool B. Move tool C. Lasso tool D. Magic wand tooluse another tool to move the selected pixels to another location.sections 11. section1: Practicing making selection1.1: Selecting and deselecting an area of an image. 1.2: Repositioning a selection border while creating it. 12. 1.1: Selecting and deselecting an area of an image. Youll start practicing selection techniques using the rectangular marquee tool. 1.In the toolbox, select the rectangular marquee tool.2.Drag diagonally from the upper left corner to the lower rightcorner of the book to create a rectangular selection.You can move a selection border after youve drawn it. 13. 3.Drag from the book to a different area of the image window.Note: Repositioning techniques for selection borders work with any of the marquee, lasso, and magic wand tools.4.Choose Edit > Deselect. Or, you can deselect by clicking another area in the window, outside the selection border. 14. 1.2: Repositioning a selection border while creating it.1.Select the zoom tool, and click the black oval on the right side of the image window as needed to zoom in to at least 100% view.2. Select the elliptical marquee tool hidden under the rectangular marquee tool. 15. 3.Move the pointer over the oval, and drag diagonally across theoval to create a selection.4.Still holding down the mouse button, hold down the spacebar on your keyboard and drag the selection. 16. 5.Carefully release the spacebar, and continue to drag, trying tomake the size and shape of the selection match the oval as closely as possible.6.When the selection border is positioned and sized correctly, release the mouse button. 17. section2: Moving selection contents Now that youve had some experience with a couple of methods of making selections, youre ready to start using selections to make changes in your image. In the previous procedures, you made selections with various tools and used different keyboard combinations to help you make them, but you did not change the image.sections 18. section2: Moving selection contents 2.1: Selecting from a center point. 2.2: Moving and changing the pixels in a selection.2.3: Moving and duplicating simultaneously. 19. 2.1: Selecting from a center point. 1.In the toolbox, select the zoom tool.2.Scroll to the globe in the lower left area of the image, and click the zoom tool to increase the magnification to about 300%.3.In the toolbox, select the elliptical marquee too.4. Move the pointer to the approximate center of the globe. 20. 5.Click and begin dragging. Then without releasing the mouse button, hold down Alt (Windows) or Option (Mac OS) andcontinue dragging the selection to the outer edge of the globe. 6.When you have the entire globe selected, release the mouse button first and then release Alt or Option (and the Shift key, if you used it, too). 21. 2.2: Moving and changing the pixels in a selection. 1.Choose View > Fit on Screen to adjust the magnification so that the entire image fits within the image window.2. In the toolbox, select the move tool. Notice that the globe remains selected. 3. Position the pointer within the globe selection. 22. 4. Drag the globe above the book image, somewhat close to the right edge. 5. Choose Image > Adjustments > Invert.The colors making up the globe are inverted, so that it is now effectively a color negative the original. 23. 2.3: Moving and duplicating simultaneously. 1.Using the move tool, hold down Alt (Windows) or Option (MacOS), and position the pointer within the globe selection. 2. Continue holding down Alt or Option, and drag a duplicate of the globe down and to the right. Release the mouse button and Alt or Option, but do not deselect the duplicate globe. 24. 3.Choose Edit > Transform > Scale to activate a bounding box around the selection.4. Hold down Shift and drag one of the corner points to enlarge the globe so that it is larger than the original by about half. Then press Enter to commit the transformation and hide the bounding box. 25. 5.Hold down Shift+Alt (Windows) or Shift+Option (Mac OS), and drag a new copy of the second globe down and to the right.6.Repeat steps 3 and 4 for the third globe, making it about twice the size of the first one.7. When you are satisfied with the size and position of the third globe, choose Select > Deselect, and then choose File > Save. 26. section3:Selecting with the magic wand tool 1. Select the magic wand tool. 2.In the tool options bar, enter 70 in the Tolerance text box toincrease the number of similar tones that will be selected.3.Using the magic wand tool, click what looks like the surface of the large number 5 image.sections 27. 4. To select the remaining area of the number 5, hold down Shift, so that a plus sign appears with the magic wand pointer, indicating that whatever you click will be added to the current selection. Then click one of the unselected areas of the blue number 5.Initial selectionAdding to selection Complete selection (Shift key depressed) 28. 5. Continue adding to the selection until all the blue areas are selected. 6.With all of the 5 selected, hold down Ctrl (Windows) or Command (Mac OS) and drag the number to the area to the upper left of the book image.7.Choose Select > Deselect. 29. practice Use lasso tool to select the pen and change the position of the pen.lessons 30. Masks and Channels Adobe 31. Masks and Channels Adobe Overview Sections practice 32. Overview Adobe Photoshop uses masks to isolate and manipulate specific parts of an image. A mask is like a stencil. The cutout portion of the mask can be altered, but the area surrounding the cutout is protected from change. You can create a temporary mask for one-time use, or you can save masks for repeated use 33. Sections Section1: Creating a quick maskSection2: Editing a quick mask Section3: Creating a gradient mask 34. Section1: Creating a quick mask 1. Select the magic wand tool. 2. In the tool options bar, enter 12 in the Tolerance text box. 3. Click anywhere in the white area of the egret to begin the selection process. 4. To extend the selection, hold down Shift and click the magic wand on another white portion of the egret.Magic wand selectionSelection extendedsections 35. 5. Select the Quick Mask mode button in the toolbox. By default,you have been working in Standard mode.A. Standard modeB. Quick Mask modeQuick mask selection showing red overlay 36. Section2: Editing a quick mask Next, you will refine the selection of the egret by addingto or erasing parts of the masked area. Youll use the brush tool to make changes to your quick mask. The advantage of editing your selection as a mask is that you can use almost any tool or filter to modify the mask. (You can even use selection tools.) In Quick Mask mode, you do all of your editing in the image window.sections 37. 1. To make the foreground color white, select the Switch Foreground and Background Colors icon above the foreground and background color-selection boxes.2. Select the zoom tool and magnify your view of the image, if needed. 3. Select the brush tool. 38. 4. In the tool options bar, make sure that the mode is Normal. Then click the arrow to display the Brushes pop-up palette, and select a medium-sized brush, such as one with a diameter of 13 pixels.5. Using the brush tool, begin painting over the red areas within the egrets body. As you paint with white, the red areas are erased.Unedited maskPainting with whiteResult 39. 6. Continue painting with white to erase all of the mask (red) in the egret, including its beak and legs.Standard modeEdited mask in Standard modeQuick mask selection7. Once youve erased all of the red areas within the egret, click the Standard mode icon again to view your quick mask as a selection.8. If necessary, zoom out so that you can see the entire image. 40. Section3: Creating a gradient mask 1. In the Channels palette, create a new channel by clicking the New Channel button at the bottom of the palette.2. Double-click the Alpha 1 channel and type Gradient to rename it. 3. Select the gradient tool.sections 41. 4. In the tool options bar, click the arrow to display the Gradients picker and select the Black, White gradient.5. Hold down Shift to keep the gradient vertical, and drag the gradient tool from the top of the image window to the bottom of the window. 42. practice Extract the object from its background for this picture.lessons 43. Basic Pho