Home

CS Photoshop Basics - Pembina Trails School Division

image

Contents

1. continuously even when you hold it in place as long as the mouse button is down The paintbrush paints only as you drag the mouse 2 You can select the size and type of brush you wish to use from the Brush menu on the Info Pallet 3 The Pencil tool works much like the paintbrush tool except that it draws hard edged lines of any thickness You can adjust the opacity in the options palette You can choose the size of the pencil and type of brush from Brush menu on the Info Pallet Shape Menu 1 The shape menu lets you select and draw geometric shapes 2 The Line tool lets you draw straight lines between two points Click on the image to set the beginning point then drag the mouse to the location of the end point and release the mouse The Info palette allows you to set the line thickness Paint bucket The paint bucket tool fills a continuous area of color with a different color The paint bucket tool has an opacity option like the other painting tools as well as tolerance and anti aliased options that are described under the magic wand tool Eraser The eraser tool will erase the parts of the image that you drag it over but it will paint in the background color which is typically white Hence it s not very useful when you can use the paintbrush to do the same thing The eraser is much more useful when working with an image that has multiple layers The areas you erase on one layer will reveal areas of the underlying layers foegrourd co
2. O eer T Mane e Ten AIT even Toc Merron OREO E S 10 We HAY CUS Stairs O E EE E 10 PE AEA A II wise a a a a aathevyieisten 10 Nano A ANNE 2 aie tas iia ad pssda 10 Del CI OANA es cad 10 Diplcatins a la ai 10 Movin O AAA o II dels ihN aaah eh asnce Nsnau alin hosinccih Matos ined ah deekiucaalins 10 FRCATTAN GIN 8 LAY CLS acacia nidos 10 Convertine the Back round 10 alain ARE 10 Learning Adobe Photoshop CS 0 lil Table of Contents ANIMS LAV CTS A ISE 11 MELO dead dedo da 11 Chanem FAV CE OPAC hy tai iia 11 AN A AN 11 Copying a layer between document ii lic cole coedcdce ici 11 Pres rvino Transparent is 11 Savio a Laersd Mato dci 11 Exportine aay cree IM a a ceca aca S 11 NSO io a A A E aosusaaaaneheonaas E 11 Addins a Drop NAO ia 11 Appiymo Beve mnd MOSS ais tii asa a 11 Applyine Other Lay T SNES o caca 11 ANOS MUELAS SA A AA A A 11 File Formats wdcvactececsassevsewaseodessizasbeeaasacssepuseasevaxecsestasteudecascsuetaazecleasssaissesasddudecwscauesaasccadesssostssuaadesdusns cebsetesedddesssacdesnasssdcaawecoessaass 12 Photoshop native TOMA orion TA ainia A doi cose 12 Dt Da ed 12 Boosie aon Cl iio ptade 12 Photoshop ERS naen E E A E E 12 IEE ee ete eae eee re ann ES ean te ere ee EER eT eC Te eee Ce ete rE ern ern ne Tare anee 12 FIC gore mere rere ere terete ts 12 ASTI FF 32 Sapien caine O savas seGaaets 12 Creatine Images Lor the 2 Dee ene enn on Be as le ase Se le a a near Ae a en an REEE 13 A RO 13 FUG Of thumper E teen
3. Shadow To apply a soft shadow behind an element 1 Select a layer 2 Choose Drop Shadow from the Layer gt Layer Styles menu Bevel and Emboss 3 Adjust the settings in the dialog box as needed 4 Make sure the Apply box is selected and click OK Applying Bevel and Emboss Bevel and Emboss effects add shadows and highlights to make elements look three dimensional e Applying Bevel and Emboss is just like Applying a Drop Shadow except that you select Bevel and Emboss from the Layer Styles menu e You can pretty much leave Highlight and Shadow alone and focus on the bottom of the dialog box e Choose a style Angle Depth and Blur and watch the results to your image Applying other Layer Styles e To apply Inner Shadow Our Glow or Inner Glow follow the same steps as Applying a Drop Shadow but choose the effect you want from the Layer gt Layer Styles menu Adjustment Layers Adjustment layers let you experiment with color and tonal adjustments to an image without permanently modifying it The color and tonal changes act as a veil through which the underlying layers appear For more see Photoshop s online help Learning Adobe Photoshop CS i File Formats When you save an image the pop up menu at the bottom of the dialog box contains about ump teen different formats in which you can save your document Luckily you don t need to know most of them The only ones of interest to most are Photoshop BMP CompuServe GIF Phot
4. sont ecnsvenes ca naowsgennmene teem nonbecnuathe ern soveuateontecn soot eeceentne 13 EXCEDHONS 10 Ne ld tdo col a dio de e el E 13 Sais o 13 Savne A A 13 Compuserve Glas ico 13 Webs ale CO e 13 Making Mistakes and More Photoshop Wisdom sssscssccssccccccccccssssssssssssssssssccccccccccccccccccccsssssssssccsscscccccesscsccssssssssseess 14 Oops Togo Uist a 14 ROA 14 A e EN tines ta conac A ST 14 Estoril caia dd nico oct ici 14 Common Mistakes Problems and Remedies did 14 Canc lsaveitias aJI PEG TEBA E we 14 won letme pan eae a Ln o a eautanaeatelouaceanteawieeencmonss 14 I wont let ES T E A E E E E E E A E E E E E E E iam ie E EE 14 My SCLC COM WOM Deae E assii a a di a a 14 Kean COn ECO AA epee tun En II O 14 Word about Modest 14 Learning Adobe Photoshop CS iv Improving Image Quality One of the most common tasks in Photoshop includes n Image Layer Select Filter View Window Help improving the quality of images Most improvements Mode je pixels inch H F Front Image can be made with just a few commands that are outlined E Levels xL below Auto Levels O L Pearse Auto Contrast MG3L pply Image Steps to Making Improvements SSS sas nee The basic steps towards better image quality ACTORS Image Size Color Balance 3B Canvas Size Brightness Contrast 1 Adjust contrast and brightness by adjusting Levels ee z Hue Saturation 3U 2 Correct color with the Var
5. surrounding area 3 Release the Option Alt key and click or drag on top of the blemish You ll see a cross cursor with the Clone Stamp that shows the area you are cloning from When you move the stamp the cross also moves giving you the current reference point Undo and the History palette are very helpful when using the Clone Stamp because it takes time to get it right To change the size or shape of the area being cloned change brushes in the Brushes palette Window gt Show Brushes The Clone Stamp Options palette lets you change the opacity of the brush which often helps the cloned portion to blend in You can also clone between images if you have them both open by option clicking in one and dragging the stamp in the other Learning Adobe Photoshop CS 4 Sharpen Unsharp Mask Images often look a little blurry or fuzzy after scanning or resizing To correct this you can sharpen the image using the Unsharp Mask command under the Filter gt Sharpen menu That s right Unsharp Mask Even though it sounds like the opposite of what you want to do it s the one you want to use The others don t work nearly as well Almost all images can be improved using the Unsharp Mask command Results are subjective but the ranges below usually work well and the values in the dialog box to the right yields good results 1 Set the Amount to somewhere between 40 90 by sliding the slider or typing in the numbers The higher the amount the more sh
6. transparent must be saved as GIFs e Graphical animations made from photographs must be saved as Animated GIFs Photoshop won t create Animated GIFs Saving as JPEG To save images in JPEG format select Save a Copy under the File menu For more see File Formats in this handout Saving as GIF Compuserve GIF You can use the Save As command to save RGB indexed color grayscale or Bitmap mode images directly in GIF format 1 Save the artwork and choose CompuServe GIF from the Format menu For RGB images the Indexed Color dialog box appears Specify conversion options and click OK Select a row order for the GIF file and click OK Normal displays the image in a browser only when download is complete Interlaced displays low resolution versions of the image in a browser as the file downloads Interlacing makes download time seem shorter but it also increases file size Se ada as Web Safe colors An advanced option for GIFs is to use web safe colors Web safe or browser safe colors won t dither on screen and they are guaranteed to look consistent across browsers and platforms When adding text or painting lines or colors it s best to use web safe colors Advanced users can load web color swatches from Photoshop s Goodies Color Palettes folder by clicking the palette menu in the Swatches palette You can also select the Web palette from the Indexed Color command under Image gt Mode to make a graphic web safe For more info
7. Adobe Photoshop CS Introduction and Intermediate A Workshop for San Diego State University Faculty amp Staff BATS Baseline Access a Training amp Support 2004 San Diego State University All Rights Reserved Sponsored by Academic Affairs Where to Find Help When You Need It Help from your Division College s Computer Consultant Some divisions and colleges have computer consultants assigned to them You can contact these consultants when you need help To determine if you have a consultant assigned to your division or college look to http rohan sdsu edu facstaff Help from the BATS Web Page BATS Baseline Access Training and Support is a California State University initiative to provide all students faculty and staff with baseline access to information resources via networks training in the uses of baseline hardware and software systems and ongoing professional and technical support for utilization of computer resources at San Diego State University You can access the BATS Web Page by pointing your browser to http rohan sdsu edu bats Help in the San Diego State University Faculty Room The Faculty Room is staffed Monday through Friday with computing consultants who will try to answer your questions Location Adams Humanities 1109 Phone Number x45727 Semester Hours 7 30am 6 00pm Monday Thursday 7 30am 4 30pm Friday Semester Intersession 7 30am 4 30pm Monday Friday Help fr
8. Tolerance tells Photoshop which colors to select and which not to select Lower values select fewer colors higher values select more colors The Anti Aliased option softens the edges of the selection Try turning this option on and off to see the difference Enter a new tolerance value and press Return Deselect everything by choosing Deselect from the Select menu Repeat steps thru 4 until you get it just the way you want it You can also use the Grow or Similar commands under the Select menu to temporarily increase wand tolerance os D Selecting non contiguous areas of color The Color Range command lets you select multiple areas of color at once It s like the magic wand but better It even has something similar to Tolerance except it calls it Fuzziness To use Color Range 1 Select the eyedropper tool 2 Click on an area within the area you wish to select This changes the foreground color and makes it the base color the color Photoshop uses to judge which other colors it should select 3 Choose Color Range from the Select menu The selection Preview box shows your selection in black and white The white areas are selected the black areas are not and the grays are in between some of them will be selected some of them won t 4 Change the Fuzziness value to adjust the tolerance Higher values select more colors and vice versa 5 Click OK when you are done If it s not what you expected choose Deselect from
9. Y Resample Image Bicubic Change one of them and at least one of the others must change proportionately Resolution is the first value to check and perhaps the most important even though it appears near the bottom of the dialog box Resolution refers to the number of pixels that print per inch The higher the resolution the more detail your image retains However this doesn t mean that all of your images should be 1200 dpi dots or pixels per inch Unnecessarily high resolutions will waste disk space and make working with the image more difficult because 1t will take longer to load and longer to complete oprations Resolution has the same rule as Image Size DO NOT Resolution Recommendations increase resolution after the fact If you want to print a color T f image at 180 dpi but it is currently at 72 dpi increasing the resolution will result in a poor image Reducing resolution or Color or b w images for 72 dpi 72 dpi downsampling on the other hand usually yields acceptable multimedia projects on screen results All scanning software allows you to set the resolution Presentations and web pages of your scanned image If you want a higher resolution you ll APA o l have to scan the image again For suggestions on what printing or overheads resolution you should use see the chart at the right Again Full color image for magazine these are only suggestions Any value between Acceptable or professional publication and Ide
10. al should work fine The Pixel Dimensions area is something to worry about if you are creating graphics for use in multimedia projects on screen presentations or web pages If you are only creating graphics for print you can pretty much ignore this area The dimensions of a standard monitor are 800 pixels wide and 600 pixels high So 1f you want to put a photograph of yourself on a web page a good size is 250 pixels wide at 72dpi That would take up slightly more than one third of a standard screen s width or about 3 5 inches 250 72 3 47 The Print Size area shows you how large the image will be if you were to print it You can change it if you wish but remember that enlarging the image often downgrades its quality Learning Adobe Photoshop CS 3 Improving Image Quality The Constrain Proportions check box near the bottom will keep everything in proportion if it is checked So as you change the width the height will change proportionately and vice versa If you want to make your photos look squished or stretched uncheck the box and you can change each dimension independently The Resample Image check box should usually remain checked and set to Bicubic If you are working with print images deselecting 1t can sometimes have better results when resizing the image proportionately Experiment Canvas Size Unlike the Image Size command which stretches or shrinks an image the Canvas Size command changes the size of the page or
11. aphics that are to be imported into presentation multimedia and digital video programs such as PowerPoint Macromedia Director and Adobe Premiere Later versions of these programs support JPEG which will keep file sizes small with almost no loss of quality at Maximum or High settings TIFF TIFF format is a platform independent standard developed for both Macintosh and Windows programs When you save an image as a TIFF Photoshop will ask you which Byte Order you d like to use Macintosh or Windows Choose the platform you work with most It doesn t matter too much One platform will read the other s TIFF and vice versa Avoid checking LZW compression unless you are sure that the program the image 1s destined for supports it Learning Adobe Photoshop CS 12 Creating Images for the Web GIF vs JPEG GIF and JPEG are still the most popular formats to use for images on the Web But how do you know which one to use Rule of thumb e Use GIF for images that use a lot of flat colors This includes line drawings clip art and most images that are not photographs GIF stands for Graphics Interchange Format which is a big hint the G stands for graphics e Use JPEG for photographs JPEG stands for Joint Photographic Experts Group The P in JPEG stands for photograph Exceptions to the rule e Graphics that have a lot of shading texture or drop shadows often are better saved as JPEGs e Photographs that you want to make partially
12. arpening occurs 2 Set the Radius to between 1 and 2 This specifies the width of the edge you want to sharpen 3 Set the Threshold to between 0 4 This determines how different neighboring pixels must be to be considered an edge 4 Uncheck the Preview button to see the difference Unsharp Mask makes You can usually see dramatic results around eyes and leaves Unsharp Mask is one of those features where you won t notice the improvement in your image until you compare it to the original Another quick way to preview 1s to click and hold the mouse button down inside the image preview thumbnail inside the Unsharp Mask dialog box to see the before results and release the mouse to see the after results Learning Adobe Photoshop CS Improving Image Quality Unsharp Mask CO Cancel Ed Preview E ETK Amount 90 _ _R Rc Radius 1 0 pixels ooo Threshold 0 levels A The Toolbox p Eo Rectangular Marquee Tool ol gt Elliptical Marquee Tool 5 Lasso Tool y Polygonal Lasso Tool gt Magnetic Lasso Tool esa Single Row Marquee Tool i Single Column Marquee Tool mf Brush Tool a Pencil Tool EN E Gradient Tool ea Paint Bucket Tool mg Eraser Tool iF Background Eraser Tool 4 Magic Eraser Tool E T Horizontal Type Tool IT vertical Type Tool E Fd Eyedropper Tool eT OS Mid Color Sampler Tool Rectangle T
13. ayers you ll have to select Layer Options from the palette menu or the Layer menu Deleting a layer To delete a layer drag it to the Trash icon Duplicating a layer To duplicate a layer drag it to the New Layer icon or choose Duplicate Layer from the palette menu or Layer menu Moving layer contents ans cm To move an image on a layer drag it with the move tool hs Rearranging layers To rearrange the order of the layers drag the layer name up or down in the Layers palette A heavy black line shows where the layer will be inserted You can t reorder the Background unless you convert it to a layer Converting the Background to a layer To convert the Background to a layer double click on the Background in the Layers palette give it a name and click OK If you hide the Background you 1l see a checkerboard pattern that represents the transparent areas of the visible layers Learning Adobe Photoshop CS 10 Working with Layers Aligning layers To align layers link them and select Align Linked from the Layer menu Merging layers There are two ways to merge or combine layers e Link them and select Merge Linked from the palette menu or Layer menu e Hide all the layers except the ones you want to merge and select Merge Visible from the palette menu or Layer menu Changing layer opacity Photoshop allows you to make layers translucent by entering an opacity value in the Opacity option box or by dragging its attached Opacity sl
14. canvas on which the image sits If you increase the size of the canvas the new area will be filled with the background color If you make the canvas smaller your image will be cropped You can enter a new width or height for your canvas and indicate where you d like the image to sit inside the new canvas by adjusting the Anchor point Often you ll increase the canvas size if you want to create a collage of many images in one file or if you want to add text adjacent to the image Orient If you haven t gotten your image straight using the crop tool you can orient your image by using the Rotate Canvas command under the Image menu You can rotate the image 180 degrees 90 degrees clockwise or counter clockwise or choose Arbitrary to insert any number you wish One word of caution when you rotate the image the canvas will adjust itself to be rectangular again New areas of the canvas will be filled by the background color and often you 1l need to be cropped with the crop tool or select the image with the a marquee tool and choose Crop under the Image menu Advanced users with multiple layers in an image can use the Free Transform and Transform tools under the Edit menu to resize reshape and reorient images on different layers They take time to get used to but they re time savers once mastered Repair Many times after you ve scanned an image you ll see that it looks like it s been dropped behind the refrigerator Dust hair
15. e Fill lets you fill a selection with the foreground or background colors a pattern black gray or white eo Stroke traces borders around your selection in the foreground color You can use Stroke to draw circles and squares Create a square or circular region with the selection tools then use Stroke to trace the border with the foreground color Adding Text to an Image Typing Text e Select the Type tool and click inside the image Try clicking somewhere ITE m Horizontal Type Tool near where you want the text to go but don t fret It doesn t really matter T Vertical Type Tool where you click because you can move it later AP Horizontal Type Mask Tool e When you select the Type tool the info pallet or the Character pallet ial Vertical Type Mask Tool allows you to choose your font size color and other formatting options e Type your text into the document You can use many of the same features from your word processor cut copy paste delete key etc e Unlike a word processor Photoshop will place all words on a single line Ee unless you insert a paragraph by pressing the Return key Character Co e To move the text around your image select the layer Window gt Show Tahoma Bol Layers that contains your text then select the move tool and drag the text to a new location iT E 2 pt te hie 3 pt e e To change the font select the text you wish to change and choose a font AN eree AW lo fro
16. e You want a detailed black and white image with a lot of grays Grayscale gives you the most detail but again RGB works fine most of the time e You need hundreds of copies of a color image and you want to do traditional offset printing Use the CMYK format and create color separations CMYK is another science altogether For more information see Photoshop s online help e You need to save space save images in a certain color palette or save GIF images for the web Select Indexed color and choose your palette to reduce the number of colors to 256 or fewer For more information about the GIF format see the Creating Images for the Web section Learning Adobe Photoshop CS 14
17. e in any format other than Photoshop format To save it in another format and merge the layers select Save a Copy from the File menu It won t let me paint Three common problems remedies e You have another portion selected Photoshop only edits the portion that is selected Choose Select gt Deselect e You re on the wrong layer Open the Layers Palette Window gt Show Layers and click on the layer you want to edit e You have enabled Preserve Transparency and you can t fill in the transparent area Uncheck it in the Layers Palette It won t let me edit See It won t let me paint above My selection won t feather The Feather command doesn t do anything until you copy and paste the selected portion After using the feather command copy your selection and paste 1t into a new document or layer You can also Select gt Inverse and Edit gt Fill to color the image while leaving your feathered selection can t paint in color The image might be in bitmap or grayscale mode Choose RGB Color from the Image gt Mode menu If 1t is in Bitmap format select grayscale first then RGB A Word about Modes If you ve ever looked under the Image gt Mode menu you ve noticed the different color modes that images can have Most of the time you ll want your images to be in RGB mode The exceptions are e You want a black and white image with no grays and harsh edges Choose Bitmap You may have to choose Grayscale first then Bitmap
18. e your changes in real time When you are happy with how your image looks click OK Correct Colors Variations The Variations command is a handy way to rid your image of color casts If your image 1s too green too red or too anything you can usually correct it with Variations To remove color casts L 2 Choose Variations from the Image gt Adjust menu Select the Midtones radio button in the upper right corner if it s not already selected to edit the medium colors in your image You ll see seven thumbnails of your image in the lower left that let you shift the image toward a primary color The Current Pick thumbnail shows what the image looks like after the corrections The lighter and darker thumbnails on the right aren t as precise as the sliders in the Levels command so feel free to ignore them Click the thumbnail that has the color you wish to add If the image is too red you 1l want to add cyan its opposite on the color wheel To add more cyan click the More Cyan thumbnail If it s too green click More Magenta Improving Image Quality Levels Dialog Box Levels Channel RGB Input Levels 0 1 00 255 F Cancel 9 SS P toado Y f Save 4 A Auto gt amp Options Output Levels 0 255 A TT ee v Preview Simplified Levels Dialog Box Levels f Cancel A Y Preview Var
19. eas E E E cass 3 COAT V AG SUZ OCRE O ae ic esac aa at ace edd ook cick och Bae nd ab dames ith aan laa eh endo ea eels 4 a cio aa tee eee ren eee eT SER A eae EET 4 e T RA EA re Seo A EE ORCA Te RATE ORR DIET E E Pont OPE ORE RERUN RTT On Tee Teo ON TOME TE PONE Een arene Tere 4 CHIES aN AA A Pon a na ane dasa dacsoassaena 4 SBa TN ss tie tee o A o o II oeaatescuce see aciseusbuslsiste sas cases ctice seb asseatshaseseasesaschastoncie 5 Unsharp Mises SA AA OS 5 A A 6 Selectno a recta cular Otal ia dd cla dtci 6 NCCC CEA cr colar TIO id 6 Selecon asne le TOV OC COMA id 7 E E EE TOA A A A 7 Selecta CONU dous area SOF COM tassiekck tas ga tbaaes on a E E aaw lege tsded eon teeeee 7 Sclecune NON CONnUeUOUS ATEAS Of Coloroso 7 AXON BASH WAM A et arree Rm Tee Cree A ONTO ner OeN Gay ST mPa YU ay mere TAT ren eer 7 MOVIN SELECTIONS AAA ES E A ON 7 yerine Selecionar N aa seauamacs teeta AN 8 E soca ccecs suc caus E E E TEA SA ea sa eeke etn tGeh cea tates RTL aA 8 Pamtbrush ana Pen Ci isis sea A E AAA AAA RA 8 Shape Men ld 8 A a ee SR I E eee EE eR er ree 8 PR RA 8 COLAS NN tai ds 8 e Gl di PP teeny Seem int Moree Ree mae ern ry mne encom nrc enter renee mn enon ener er 8 Pin SO k i aon assicaascusuean ec cance vant anos aacd E O me aoe 9 SA A yiuecsausuusveucsensessuceedbeuectessseveevecsees 9 A A Te Oe pee ne eNO TN er ee 9 MA O 9 Workino vith Layer sido das di 10 A O OO 10 SHOW mead Mame layers A A A IA AAA SA AE 10 Me dl Chol e gn
20. efine the border as a 1 pixel wide row or column Selecting free form areas e Use the lasso tool to trace around the portion of the image you wish to select It s easy but sometimes difficult to be exact e Use the polygon lasso lets to create a selection with straight sides 1 Click to set the starting point of the selection Move the cursor to the point where you want the first segment to end Keep clicking around the image to create new segments When you circle back to the first point you ll see a little circle next to the cursor Click to close the selection If you want to draw a curved line among your straight segments hold down the Option Alt key SA ca ia e The magnetic lasso lets you easily select an image that is a different color than the background It works best with high contrast images 1 Click on the edge of the portion you wish to select 2 Move the cursor around the edge The magnetic lasso automatically creates an outline with square anchor points 3 Ifthe line is off back up the mouse and try again 4 If you need to delete an anchor point press the delete key To create an anchor point click the mouse Selecting contiguous areas of color The magic wand tool lets you select large areas of contiguous uninterrupted color 1 Click in an area that is mostly made up of one color You probably won t be very happy with the results 2 Open the Magic Wand Options palette by double clicking the magic wand tool
21. iations Original Current Pick More Cyan More Green More Yellow Current Pick More Red More Blue More Magenta i Sa Midtones Larra I Highlights e O Saturation Fine Coarse Save gt i I I _ _ _ Y Show Clipping Load Current Pick Darker You can also vary the amount of color correction by dragging the amount slider in the upper right toward Fine or Coarse It usually works fine in the center but there are times that you need to adjust it The Shadows and Highlights button lets you edit dark and light colors respectively The Saturation button lets you edit the intensity of the colors in your image which can sometimes be flattened while adjusting Levels If you decide to adjust shadows highlights or saturation you Il probably have to slide the amount slider towards Fine Learning Adobe Photoshop CS Improving Image Quality Trim Crop To eliminate portions of an image use the crop tool to draw a box around the part of the image you wish to keep 1 Select the Crop tool t Or press the C key on your keyboard 2 Drag the crop tool around the portion of the image you wish to keep If you don t get it just right that s OK you can adjust it in the next step 3 Adjust the crop tool by dragging the square handles located around the edges of the marquee The cursor will change to a double headed arrow indicating that you may drag the handle If you move the cursor ou
22. iations command SS oss a A C olor 3 Trim the image using Crop Image Size and Canvas Size Trim Palace 4 Orient using Rotate evese Selective Color 5 Repair the image using painting tools and Clone Stamp i g Mixer radient Map 6 Sharpen the image with Unsharp Mask PRoto Fier Shadow Highlight Invert 3 Equalize Threshold Posterize 11 28M gt Variations Improving images is definitely more art than science The steps above will help you get the most out of your images but they aren t always applied in that order and some steps are sometimes skipped entirely There is only one absolute rule Garbage In Garbage Out Photoshop can sometimes work miracles but if you start with a very poor image you ll have a hard time making something good come of it If you don t see any significant improvement after step 2 you are probably starting with an extremely poor image Scan it again or find a better one Adjust Contrast and Brightness You would think that the Brightness and Contrast command under the Image gt Adjust menu would be the best choice for this job but in reality the Brightness and Contrast command is just plain terrible To get better results use the Levels command Auto levels No matter what type of image you have choose Auto Levels from the Image gt Adjust menu to automatically correct the contrast of an image Auto Levels makes the lightest colors lighter and the darkest color
23. ider Flattening layers To flatten the image and merge all visible layers select Flatten Image from the palette menu or Layer menu Copying a layer between documents Open the source and destination document select the move tool and drag the layer from the source to the destination If you hold down the Shift key while dragging the layer will be positioned in the center of the destination image if the pixel dimensions are different or in the same position it occupied in the source image if the pixel dimensions are the same Preserving Transparency To paint only inside the image on a layer and keep the transparent areas transparent check the Preserve Transparency box near the top of the Layers palette Saving a Layered Image The Photoshop format is the only format that preserves layers Preserve the layered file for easy editing later Exporting a Layered Image If you want to use your image in a different program most other programs do not support layers so you Il have to flatten your image Choose the Save a Copy option from the Save menu select the format you wish to use TIFF JPEG etc and Photoshop will automatically flatten the layers for you and not overwrite the original layered file Using Layer Styles Photoshop CS has made it very easy to add drop shadows glows and bevels to elements of you image Layer styles can be applied to regular layers and text layers but not to Backgrounds Adding a Drop Shadow Drop
24. lor m A Color Tools 0 Dedauls colors LJ ER Background coho The foreground color is applied by the painting tools The background color is applied by the eraser tool and it is the color of the empty portion of the canvas when increasing Canvas Size Click the Default Colors icon to restore the foreground color to black and the background color to white Click the Switch Colors icon to swap the foreground and background colors Picking a different color There are several ways to define the foreground and background colors 1 Click the foreground or background color icons and select a color from the Color Picker 2 Open the Color palette Window gt Show Color and slide the RGB sliders until you get the color you want 3 Open the Swatches palette Window gt Show Swatches and click on the color you would like to use Advanced users can load more swatches including web safe colors from Photoshop s Goodies Color Palettes folder by clicking the palette menu the right iv il next to the tabs in the Swatches palette A 4 Use the eyedropper tool to lift colors from other parts of the image Just click on the color you want to use Learning Adobe Photoshop CS 8 Improving Image Quality Fill and Stroke There are two other painting commands that come in very handy but they aren t located in the toolbox Instead they are conspicuously hidden under the Edit menu Both however require that at least part of your image be selected
25. m the font menu e To change the size select the text and enter a size into the Size option box IT fions T fions e To change the color select the text and click on the color icon Advanced at lo pt Color a users can change the color outside the dialog box by choosing a new foreground color selecting the layer that contains the text then pressing T T TTT TT T Option Delete Alt Delete on Windows to fill with the foreground color Leading controls the amount of space between lines English USA la Sharp el Kerning controls the spacing between two letters To manually kern deselect the Auto Kern box e Tracking controls the spacing between more than two letters e Baseline refers to the distance the type sits from the baseline You can use 1t to create superscripts and subscripts Type Tools The type tool will allow you to add text to your image The type mask tool will create a selection border in shape of the letter you typed You can then fill the outline with a picture or color e The vertical type tools work just like their horizontal counterparts except the text runs vertically Learning Adobe Photoshop CS 9 Picture using multiple transparencies on an overhead projector On one sheet you draw a man s face On second sheet you draw a beard On a third you draw glasses You place the transparencies on top of each other and you create a face with a beard wearing glasses Photoshop layers work exactly the
26. om the Faculty Computing Help Line Phone Number x41348 E mail helpline mail sdsu edu Semester Hours 7 30am 6 00pm Monday Thursday 7 30am 4 30pm Friday Semester Intersession 7 30am 4 30pm Monday Friday Help from the Staff Computing Help Line Phone Number x40824 E mail staffhelp sdsu edu Semester Hours 7 30am 6 00pm Monday Thursday 7 30am 4 30pm Friday Semester Intersession 7 30am 4 30pm Monday Friday Help in the User s Manual You can also use the User s Manual that came with your software to help you answer questions and find solutions to problems Online Help Photoshop s online help is very extensive with a through index and many detailed examples Select Help Contents from the Help menu Other Resources Web sites http studio adobe com tips main jsp Books Photoshop for Dummies by Deke McClelland Easy Adobe Photoshop by Kate Binder The Complete Idiot s Guide to Adobe Photoshop by Robert Stanley The Photoshop WOW book by Jack Davis et al for advanced users Learning Adobe Photoshop CS il Table of Contents Privo vane mase AAA a EE aa a 1 Steps to Makine TMPrOVE MEN S isie a a a a a a cosy l Adjust Contasrand Bris HNES S ti o ai l PAULO NOVELS OR l Lera 2 ENTES CA a Sree Tee einen near ee ete ee ree an ee ene ea ee een eee ee 2 Vara rl A 2 MTA A E E EE EEE AE EAEE E E E E T E E E A E E T NEE EE A N E A 3 RR 3 Mare Ita E EA aad eects E ua aac cas s
27. ool __ Rounded Rectangle Tool S Measure Tool _ Ellipse Tool a Polygon Tool A Line Tool La Custom Shape Tool The Marquee Tool In Photoshop first you select a portion of an image then you edit move or duplicate it Selecting lets you edit a portion of an image independently from other portions Selecting a rectangular region Use the rectangular marquee Drag from one corner of the area to the other To select a square region hold the Shift key down while dragging To start the square in the middle hold down Shift Option Alt e Inthe Marquee Options palette double click the marquee tool you can feather edges makes the outline fuzzy constrain the aspect ratio of the marquee or define a fixed size for your outline Selecting a circular region e Use the elliptical marquee on the flyout menu of the rectangular marquee Drag from one corner of the area to the other e To select a perfect circle hold the Shift key down while dragging To start the circle in the middle hold down Shift Option Alt In the Lasso Options palette double click the marquee tool there are two options Feather and Anti aliased Feather makes the outline fuzzy Anti aliased softens the edge of the outline Turning off the Anti aliased option makes the edges of the outline jagged Learning Adobe Photoshop CS 6 Improving Image Quality Selecting a single row or column The single row or single column marquees let you d
28. oshop EPS JPEG PICT and TIFF Photoshop native format You should use Photoshop s native format if you have multiple layers in your document All the other formats flatten merge the layers together Keep the master image in Photoshop format and then use the Save a Copy command to save a flattened copy of the image in another format so that you can import it into other programs or put it on the internet BMP BMP is a standard format on Windows computers It is best for on screen use in computer based presentations for example In general however TIFF is more flexible CompuServe GIF GIF is an acceptable format for saving images intended for use on the World Wide Web The GIF format requires that the image contain 256 colors or less You can use the Image gt Mode gt Indexed Color command to reduce the number of colors in your image Before deciding to use GIF be sure to read GIF vs JPEG in the Creating Images for the Web section of this handout Photoshop EPS Y Photoshop BMP CompuServe GIF Photoshop EPS JPEG PCX Photoshop PDF Photoshop 2 0 Photoshop Raw PICT File PICT Resource Pixar PNG Scitex CT Targa TIFF Photoshop DCS 1 0 Photoshop DCS 2 0 For the most part EPS is used by high end professionals producing high end projects with expert color separations from page layout programs The rest of us might use EPS when importing images to and from Illustrator FreeHand and CorelDraw although ne
29. rmation see http www adobe com newsfeatures palette Learning Adobe Photoshop CS 13 Making Mistakes and More Photoshop Wisdom Oops goofed Photoshop is an experimentation program You try something and if you don t like it you go back and try something else And no matter how hard you try you re bound to make mistakes Photoshop has several ways to turn the digital clock Undo The Undo command will reverse the effect of the last operation you performed You can select Undo from the Edit menu or press Z Control Z on Windows After you ve selected Undo the command changes to Redo You can flip back and forth between the current and previous states of the image to decide which you like better Revert The Revert command under the File menu reloads the last saved version of your file So if you ve made many changes to your image and you hate them all choose Revert to start over entirely History Palette The History Palette Window gt Show History records all of the operations you have performed on an image and keeps a running list As you perform each operation Photoshop gives a name to the current state of the image and displays a small icon that corresponds to the last tool used To return to a previous state click on it in the History Palette Common Mistakes Problems and Remedies can t save it as a JPEG TIFF etc If you have at least one layer in your document you won t be able to save your imag
30. s darker Sometimes this is all you need But if you re still not happy try the Levels command Learning Adobe Photoshop CS 1 Levels The Levels command lets you adjust the darkest and lightest colors as well as the medium colors This extra dimension often yields better results than Auto Levels After you select Levels from the Image menu you ll see the Levels Dialog Box It looks complicated but there are only three things to worry about the sliders at the bottom of the histogram The Simplified Levels Dialog Box image on the right shows only the parts that are important to most people Here s how to use them e To make the darkest pixels black drag the left black triangle to the right so that it rests under the beginning of the first hill in the histogram e To make the lightest pixels white drag the right white triangle to the right so that it rests under the end of the last hill in the histogram Note If you ve already chosen Auto Levels or clicked the Auto button in the dialog box you may not have to change the left and right sliders because Auto Levels does this automatically e To adjust the medium colors slide the middle gray triangle Drag it to the right to darken medium colors Most likely however you ll want to make the medium colors lighter so drag the middle slider to the left until you re happy with how your image looks e If you have the Preview option selected you ll be able to se
31. same way Layers allow you to separate elements of an image and edit them independently You combine layers to create a composite image You rearrange add and delete layers or blend them together using different opacity values and blend modes Working with Layers Layers Palette The Layers palette Window gt Show Layers on the right shows the layers that make up the picture above it Normal 2d Opacity b Showing and hiding layers The eyeball icon next to the layer name indicates that the layer is visible To hide the layer click the eyeball To show it click on the eyeball column Choosing a layer To make a layer the active layer click the its name The paintbrush icon next to the highlighted layer name indicates that the layer is active This means that any changes you make will only affect the image on that layer Another way to choose a layer is to click the image while holding down Control Option the three keys next to the spacebar Alt Right click on Windows Linking layers By linking two or more layers you can merge align or move their contents together plola el alel4 Creating a new layer To create a new layer click the New Layer icon You can also choose New Layer from the palette menu or choose Layer under the Layer gt New menu Naming a layer Naming layers is important so that you can keep track of what s where You can name or rename a layer by double clicking the layer In the case of text l
32. specks stains and fingerprints abound You can get rid of many of them by wiping the photo with a lint free cloth or cleaning the scanner bed before scanning but they are often part of the photograph and not even the cleaning lady can get them out If you have areas of a single color that have blemishes use the eyedropper to select the color next to the blemish and use the painting tools to cover it up You can also experiment with the Dust and Scratches filter under the Filter gt Noise menu at a low radius and threshold but results are variable The most useful tool to eliminate these problems is the Clone Stamp Clone Stamp The Clone Stamp tool allows you to clone portions of your image to cover up blemishes and other problem areas that you would like removed For example you can use the Clone Stamp to remove scratches from a face by cloning skin or a telephone pole and wires by cloning the sky to cover them up It takes practice but it gives great results To use the Clone Stamp 1 Click once on the Clone Stamp tool in the toolbox 2 Hold down the Option Alt key and click an area that looks similar to the area around the blemish You must tell Photoshop which portion of the image you want to clone before you can clone it If you don t hold down the Option Alt key you ll get an error message telling you so You want to click on an area that looks similar to the area that contains the blemish because you want it to blend in with the
33. the Select menu and start over Adjusting selections e To move the bounding area of your selection click inside the area and drag it to a new location Make sure that your selection tool is selected in the toolbox e To add to your selection hold down the Shift key with any of the selection tools e To subtract from your selection hold down the Option Alt key with any of the selection tools Moving selections e To move the portion of the image that you have selected around the image window use the move tool ha e Hold down the Shift key to move your selection straight up or down e Hold down the Option Alt key while dragging to duplicate your selection Learning Adobe Photoshop CS 7 Improving Image Quality Inverting Selections Sometimes it s easier to select what you don t want For example if your object is on a white background try the following e Use the Magic Wand to select the white part that surrounds the object e Choose Inverse from the Select menu Painting Tools The painting tools in Photoshop allow you to paint colors on your image Double click each tool to open the Option palettes where you can change brush modes and opacity settings You can use the selection tools to select area to be painted This will prevent you from going outside the lines Paintbrush and Pencil 1 The paintbrush paints soft lines like the airbrush The only difference between the two is that the airbrush paints color
34. tside the boundary the cursor changes to a curved double headed arrow indicating that you can rotate the crop boundary 4 Double click inside the boundary to crop the image 5 Press Esc to get rid of the cropping boundary if you change your mind about cropping Image Size Image Size When you want to change the size of your image select Image Size m Pixel Dimensions 1 28M 5 DK from the Image menu Note that you should usually only make your i Width 692 pixels MA Cancel gt image smaller not larger Photoshop can make your image larger but 7 Ja A iia a i epee ss gt AAA it doesn t know what to put into that extra space So Photoshop s t r e Hate 648 pixels Auto tc he s the image until it fits into the size you specified During the l m Document Size stretching your image loses detail and often looks blurry There are occasions when a slight enlargement has little effect on quality Butin Width 9 611 inches a most cases if you want a larger image you should scan it at a larger Height 9 finches CT SIZE Resolution 72 pixels inch Changing values in the Image Size dialog box can have dramatic and M Scale Styles even disastrous effects on your image if you don t know what you are Y Constrain Proportions doing Pixel Dimensions Print Size and Resolution all work together
35. wer versions of those programs will accept other formats In general you can ignore EPS 90 of the time and use TIFF instead JPEG JPEG is one of the most universally accepted formats for viewing images JPEG supports 24 bit color millions of colors The main difference between JPEG and other formats is that is uses a lossy compression scheme What that means is that it loses some data that makes up your image because it stores the image in a compressed format So why would you ever use it Well most of the time you won t notice what s lost and it will save you a ton of hard drive space and reduce the file sizes of other documents significantly such as PowerPoint presentations This is also one of the reasons that JPEG is so popular on the Internet It s a great format to use if you aren t doing mission critical stuff as long as the programs you are using support it But if you think you may have to edit the file later keep a master copy in a non compressed format such as Photoshop or TIFF When you save an image as in JPEG format you 1l have to choose among two options e Quality For print images choose Maximum or High if you are short on disk space For the Web choose Medium or Low e Format For print choose Baseline Standard For the Internet choose Baseline Optimized Progressive is also supported on the Web but it s not as universally accepted PICT PICT formatted images are mostly used for Macintosh gr

Download Pdf Manuals

image

Related Search

Related Contents

Untitled - Furman Sound  Manual de usuario MODELO SM07  HawkEye Manual  maintenance - Oli Vibrators  Manuel d`utilisation  Samsung DV395GTPASU/A1 Specification Sheet  Instructions HWAT-Eco-04  Parrot Conference  Philips HTS3541  Samsung SPH-X9000 User Manual  

Copyright © All rights reserved.
Failed to retrieve file