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Nội dung Text: Adobe Photoshop CS3 A-Z: Tools and features illustrated ready reference- P5

4. PEN TOOL PQ Pen tool Menu: – Shortcut: P See also: Paths Version: 6.0, 7.0, CS, CS2, CS3 Creates a path that can be turned into a selection. It’s unusual to use at ﬁrst, but spend some time getting familiar with it and your drawing and selection skills will Pencil tool Perceptual rendering improve tenfold. The Pen tool icon on the toolbar has several Menu: – Shortcut: B See also: Brush tool, intent Version: 6.0, 7.0, CS, Auto Erase pencil Menu: – options. The ﬁrst is Pen tool which you use to CS2, CS3 Shortcut: – See also: Color management add points, known as anchor points, around Version: 6.0, 7.0, CS, CS2, CS3 the subject. Points are automatically linked The Pencil tool is a pixel-based tool that uses the foreground color to paint with. It At various points in the digital photography to make a path. This is ideal when you want works in much the same way as the Brush process it is necessary to change or alter to draw straight lines and smooth curves. tool, with the one difference being that the the spread of colors in a picture so that You can have as many anchor points as you pencil can only draw lines that have hard they ﬁt the characteristics of an output like and they can be removed by clicking edges. device, such as a screen or printer, more on them. Freehand lines are drawn by click-dragging fully. Perceptual is one of the four different To draw a straight line, click at a start point approaches that Photoshop can use in this then move to the ﬁnish point and click the mouse. Straight lines are drawn by holding down the Shift key whilst click- conversion process. The other choices are again. To complete a straight path click Saturation, Relative Colorimetric and the Pen tool icon in the toolbox when you dragging. Absolute Colorimetric. reach the end. To complete a round path The thickness or size (1), mode and opacity of the line can be altered via the tool’s Each approach produces different results click on the original start point to complete options bar. Also, any brush that has a and is based on a speciﬁc conversion or the shape. hard edge can be selected for use with the ‘rendering intent’. The Perceptual setting The Freeform Pen tool is like the normal puts conversion emphasis on ensuring Lasso tool and creates a path wherever you Pencil tool from the Brushes Preset palette section of the options bar (2). that the adjusted picture, when viewed draw. It’s like using a normal pen and is on the new output device, appears to very accurate, providing you are! Anchor the human eye to be very similar to the points are added along the path, and their original photo. So this is a good choice for positions can be changed when the path photo conversions. is complete. The Magnetic Pen tool works The Saturation option tries to maintain like the Magnetic Lasso and automatically the strength of colors during the conversion locates high contrast differences between PQ process (even if color accuracy is the cost). pixels and lays the path along the edge. The Relative Colorimetric setting 1. When using the Magnetic squashes or stretches the range of colors Pen tool move slowly so the Pen in the original so that they ﬁt the range locates the edge you’re drawing of possible colors that the new device can along. display. The Absolute Colorimetric 2. Hold down the Shift key to create a option translates colors exactly from the straight line running at a 45° angle. original photo to the range of colors for 3. Click the Rubber Band box in the Pen the new device. Those colors that can’t be Options palette to see the curve of the path displayed are clipped. you’re about to create as you move the Pen Speciﬁc Intents can be selected as part of the tool. printing process via the color management controls in the Show More Options section of the Print Preview dialog (1). Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. www.Photoshop-A-Z.com 199
5. PQ PERFORMANCE Before After Performance Scratch Disks on drives other than the one where Photoshop or the computer’s Perspective, changing Menu: Edit > Preferences > Performance operating system resides. Menu: Filter > Distort > Lens Correction Shortcut: – See also: Scratch Disks, Shortcut: – See also: Perspective options, Version: CS3 Memory 3. The number of History States Version: CS2, Lens Correction ﬁlter, and Cache Levels both affect the CS3 Vanishing Point ﬁlter The Performance dialog is a new addition performance of Photoshop. Selecting The Lens Correction ﬁlter in CS2 and CS3 for Photoshop Preferences and brings a high number of History States will doesn’t just correct Barrel and Pincushion together options from the Memory & provide more levels to undo but such a distortion, the ﬁlter also contains Scratch Disks and Image Cache preferences set up will also consume more memory controls for changing the perspective of dialogs found in previous versions. and may slow Photoshop down as the the picture. This option is particularly The Performance dialog contains four program pushes more processing useful for eliminating the problem of different sections with settings that affect activity onto slower scratch disks. Cache converging verticals that plagues pictures the speed and efﬁciency of Photoshop. The Levels affect the speed and accuracy photographed with wide-angle lenses and sections are: of screen redraws. Select more Cache the camera pointing upwards. 1. The Memory Usage section provides a Levels for better quality redraws and To correct the problem using the new ﬁlter slider control for adjusting the amount less for faster ones. move the Vertical Perspective slider (1) to of RAM used by Photoshop. Thankfully, 4. Photoshop can now take advantage of PQ the left to stretch the details at the top of the suggested upper and lower limits are the power of modern video cards to help photo apart. This change also condenses also supplied. The total amount of share the burden of pushing pixels the lower sections of the picture and in so available RAM will be less than the to the screen. The options available doing corrects the image. total installed on your machine as this here will vary according to the type ﬁgure takes into account the memory Switch on the Grid display and power of the card you have used by the operating system as well as and use these lines as a guide installed. the Photoshop program itself. when adjusting the picture. In addition to these speciﬁc performance Your aim is to align straight 2. All available local disks are listed controls, the ﬁne-tuning undertaken CS3 and parallel picture parts in the Scratch Disks section with around emerging multi-core technologies with the grid lines. settings to select each drive to use as has resulted in general increased extra disk-based memory. Options are performance throughout Photoshop, also included for adjusting the order Bridge and Camera Raw. that they will be accessed. Wherever possible you should place Photoshop’s Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. CS3 A–Z 200 Photoshop
7. PQ PHOTOMERGE Photomerge (CS3) Cylindrical – designed for panoramas that cover a wide angle of view. This option Menu: File > Automate > Photomerge automatically maps the results back to a Bridge: Tools > Photoshop > Photomerge Shortcut: – See also: Panoramas – creating, cylindrical format rather than the bow Version: 6.0, 7.0, CS, Auto-Align, tie shape that is typical of the Perspective CS2, CS3 Auto-Blend Layers option. Photomerge is Adobe’s panoramic stitching Reposition Only – aligns the source ﬁles technology that enables photographers to without distorting the pictures. join overlapping photos to create wide- Interactive Layout – transfers the angle pictures (1). ﬁles to the Photomerge workspace In this release of Photoshop Photomerge where individual source pictures can be has been completely updated to include manually adjusted within the Photomerge both automatic and manual stitching composition. This is the only non-auto workﬂows. option (2). The feature can be started from the File In most circumstances one of the auto menu (File > Automate > Photomerge) or options will easily position and stitch your via the Tools > Photoshop > Photomerge pictures but there will be occasions where option in the Bridge ﬁle browser. one or more images will not be stitched The latter approach allows the user to correctly. In these circumstances use the PQ select suitable source pictures from within Interactive Layout option. This displays the browser before activating the feature. the Photomerge workspace (2) where Next you will be presented with a new individual pieces of the panorama can be Photomerge dialog (3) containing options moved or rotated using the tools from the for adding and removing source ﬁles as toolbar on the left-hand side of the dialog. well as ﬁve different stitching and blending Reposition Only and Perspective options or Layout options (4). They are: are set using the controls on the right. Photoshop constructs the panorama when Auto – aligns and blends source ﬁles the OK button is clicked. automatically. Perspective – deforms source ﬁles according to the perspective of the scene. This is a good option for panoramas containing 2 – 3 source ﬁles. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. CS3 A–Z 202 Photoshop
11. PQ PLUG-INS Before Plug-in options: After Flaming Pear – Super Blade Pro Extensis – Intellihance Pro 4 Effect: This plug-in provides the most sophisticated control Effect: Capable of comparing and applying up to 25 over surface and texture characteristics of text and different enhancement options at one time, objects available. Intellihance Pro is the master of the quick ﬁx. OS: Mac, Windows Cost: US$30.00 OS: Mac, Windows Cost: US$199.00 Website: www.ﬂamingpear.com Website: www.extensis.com Plug-ins Menu: – Shortcut: – See also: Filters, Version: 6.0, 7.0, CS, CS2, CS3 Smart Filters Ever since the early days of Photoshop Adobe has provided the opportunity for Alien Skin – Eye Candy 4000 Digital Film – Ozone 2 third party developers to create small pieces Effect: Eye Candy 4000 is a collection of 23 different Effect: Simulates the same tonal control available when of specialist software that could plug into creative ﬁlters used for creating effects such as using the ﬁlm-based Zone System (created by Ansel the program. These extra features extend shadows, bevels, chrome, smoke, wood and even fur. Adams) with your digital photographs. OS: Mac, Windows Cost: US$169.00 OS: Mac, Windows Cost: US$50.00 the capabilities of the program and some Website: www.alienskin.com Website: www.digitalﬁlmtools.com of them have become so popular that they ﬁnd themselves added into the program proper in the next release of the software. Most plug-ins register themselves as extra options in the Filter menu, where they can be accessed just like any other Elements feature. The Delta100 ﬁlter (1) from www. silveroxide.com is a great example of plug- in technology. Designed to reproduce the look of particular types of black and white ﬁlm stock, the installed ﬁlter can be selected from the Silver Oxide group (2) of Harry’s – Filters 3.0 Photowiz – Color Washer Effect: A free collection of ﬁlters that can be used for Effect: The Color Washer plug-in is used for the correction products in the Filter menu. creating up to 69 different imaging effects. Also and enhancement of colors in your pictures. Great Note: Mac users should note that non- contains the option to encrypt your photos. for restoring faded colors in old photos. OS: Mac, Windows Cost: FREE OS: Windows Cost: US$49.95 native plug-ins, will run in Rosetta on Website: www.thepluginsite.com Website: www.thepluginsite.com Intel Macs. PQ PhotoTune – 20/20 Color MD AutoFX – Photo/Graphic Edges Effect: Using a side-by-side comparison approach this Effect: Photo/Graphic Edges provides 14 photographic PhotoTune plug-in takes the guesswork out of effects that are used to create an astonishing array correcting the colors in your photos. of edges and borders for your images. OS: Mac, Windows Cost: US$49.95 OS: Mac, Windows Cost: US$179.00 Website: www.phototune.com Website: www.autofx.com Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. CS3 A–Z 206 Photoshop 12. PLUG-INS PQ Power Retouche – Black & VanDerLee – Old Movie Andromeda – Shadow Filter White Studio Effect: Create the look and feel of an old photo or movie Effect: Billed as the ‘most advanced shadowing plug-in Effect: This plug-in replicates many of the effects of a frame with this plug-in. Includes controls for ﬁlm available’ this ﬁlter really lives up to the hype. Master traditional darkroom including speciﬁc ﬁlm looks. type, scratches, camera, dust, fat and hair. the controls and any shadows are possible. OS: Mac, Windows Cost: US$75.00 £45.00 OS: Windows Cost: US$19.95 OS: Mac, Windows Cost: US$109.00 Website: www.powerretouche.com Website: www.v-d-l.com Website: www.andromeda.com Richard Roseman – Vignette Lokas – Artistic Effects NIK – Sharpener Pro Inkjet Corrector Effect: The Artistic Effects collection is a series of customized Effect: The range of NIK sharpening plug-ins is designed to Effect: The plug-in removes or adds the darkened edges ﬁlters that add surface effects to text and shapes. The sharpen your pictures to clarify output to a variety that are produced by low quality wide-angle lenses. options include gel, ice, metal, smoke and snow. of print devices. OS: Windows Cost: Free OS: Windows Cost: US$59.95 OS: Mac, Windows Cost: US$79.95 Website: www.richardroseman.com Website: www.artistic-effects.com Website: www.nikmultimedia.com AV Bros – Puzzle Pro ASF – Digital GEM Airbrush Digital Element – Aurora Effect: Although at ﬁrst this seems like a simple jigsaw Effect: Provides glamor photo type results by automatically Effect: The Aurora plug-in is an advanced world creator puzzle maker the ability to customize and add extra smoothing skin whilst retaining details in the areas that produces highly sophisticated water, sky and shapes really extends the options for this plug-in. like eyelashes and hair. lighting elements. OS: Mac, Windows Cost: US$49.95 OS: Mac, Windows Cost: US$99.95 OS: Mac, Windows Cost: US$199.00 Website: www.avbros.com Website: www.asf.com Website: www.digi-element.com PQ Andrew’s Plugins – V8 The Imaging Factory – PictureCode – Noise Ninja Effect: There is plenty of creative choice here with nearly 20 Convert to B&W Effect: Noise Ninja is a very sophisticated noise reduction different plug-in sets providing thousands of Effect: Powerful and customizable conversion plug-in plug-in that works extremely well with photographs different effects and only costing$10.00 each. designed for the dedicated monochrome enthusiast. taken using high ISO settings. OS: Mac, Windows Cost: US$10.00 OS: Mac, Windows Cost: US$99.00 OS: Mac, Windows Cost: US\$44.95 Website: www.graphicxtras.com Website: www.theimagingfactory.com Website: www.picturecode.com Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. www.Photoshop-A-Z.com 207