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Adobe Photoshop CS Design Professional
EFFECTS WITH FILTERS CREATING SPECIAL
2Creating Special Effects with Filters Chapter H
Learn about filters and how to apply themCreate an effect with an Artistic filterAdd unique effects with Stylize filtersAlter images with Distort and Noise filtersUse a Render filter to alter lighting
Chapter Lessons
3Creating Special Effects with Filters Chapter H
Filters alter the look of an image by altering pixels
Use filters to apply special effects:– Realistic textures– Distortions– Changes in lighting– Blurring
Understanding Filters
4Creating Special Effects with Filters Chapter H
Applying Filters
Apply filters to any layer except the Background layer
Use commands on the Filter menu
Adjust filter settings and preview the filter effect in the Filter’s dialog box
5Creating Special Effects with Filters Chapter H
Learn About Filters and How to Apply Them Understanding the Filter Menu
The Filter menu sorts the filters into 14 categories and sub-categories
Many filters are memory-intensive:– Use of them may slow down the
computer’s performance
6Creating Special Effects with Filters Chapter H
Sample Filters
Original
Motion
Blur Stained
Glass
Twirl Cross-
hatch Neon
Glow
7Creating Special Effects with Filters Chapter H
Filter TipsDistort filters:
– Completely reshape an image– Highly resource-demanding
Pixelate filters:– Applied when the command is clicked– Do not include a preview box
Digimarc filters:– Notify users that the image is copyright-
protected
8Creating Special Effects with Filters Chapter H
Filter CategoriesRender
Sharpen Sketch
Stylize
Texture Video
Other
Digimarc
Artistic
Blur
Brush Strokes
Distort
Noise
Pixelate
9Creating Special Effects with Filters Chapter H
Applying a Blur FilterSelect the layer to blur
Click Filter on the menu bar, point to Blur, then click Motion Blur
Select Blur settings in the Motion Blur dialog box
10Creating Special Effects with Filters Chapter H
Image in the Motion Blur Dialog Box
11Creating Special Effects with Filters Chapter H
Create an Effect with an Artistic Filter
15 Artistic Filters AvailablePlastic WrapPoster EdgeRough PastelsSmudge StickSpongeUnderpaintingWatercolor
Colored PencilCutoutDry BrushFilm GrainFrescoNeon GlowPaint DaubsPalette Knife
12Creating Special Effects with Filters Chapter H
Sample Artistic Filters
Plastic
Wrap
Water-
colorFilm
Grain
Original
13Creating Special Effects with Filters Chapter H
Adjusting Filter Effects
Use any of the functions listed under the Adjustments command on the Image menu
For example, modify the color balance or the brightness/contrast of a layer before applying a filter
14Creating Special Effects with Filters Chapter H
Add Unique Effects with Stylize Filters Using Stylize Filters
Produce a painted effect by displacing pixels and heightening the contrast within an image
Apply a stylize filter to an entire layer or to a specific area of a layer
Use a marquee tool to define the area, then apply the desired filter
15Creating Special Effects with Filters Chapter H
List of Stylize Filters
Diffuse Filter: breaks up the image– Darken Only option: replaces light
pixels with dark pixels– Lighten Only option: replaces dark
pixels with light pixels
Wind Filter: conveys directed motionExtrude Filter: converts the image into pyramids or blocks
16Creating Special Effects with Filters Chapter H
Sample Stylize Filters
Wind
Extrude
Glowing
Edges
Original
17Creating Special Effects with Filters Chapter H
Reducing File Size
Use filters to reduce file size
For example, apply a slight Motion Blur filter to a grassy background:– Reduces the number of green colors
that Photoshop must save in the image and so reduces the file size
18Creating Special Effects with Filters Chapter H
Applying a Filter
Flame area is selected
Wind filteris applied
19Creating Special Effects with Filters Chapter H
Alter Images with Distort and Noise Filters Understanding Distort Filters
Distort filters create a 3-D effect or reshape an object:– Difuse Glow
– Ocean Ripple
– Glass
– Wave
– Ripple
– Twirl
20Creating Special Effects with Filters Chapter H
Sample Distort Filters
Glass
Zig Zag
Wave
Original
21Creating Special Effects with Filters Chapter H
Understanding Noise Filters
Noise filters give an image an appearance of texture
Apply to an image layer or to the Background layer
Rasterize a Type layer to convert it to an image layer before applying a noise filter
22Creating Special Effects with Filters Chapter H
Optimizing Memory
Layer masks and filters can be memory-intensiveTo offset resource loss, free up memory: – Adjust settings in the Preferences dialog
box– Lower the number of states in the History
palette– Use the Purge command to free memory
used to story Undo commands, History states, and items on the clipboard
23Creating Special Effects with Filters Chapter H
Changing Memory Settings
Windows:– Click Edit on the menu bar, point to
Preferences, then click Memory & Image Cache
Macintosh:– Select the Photoshop application, click File on
the menu bar, click Get Info, click the Show list arrow, click Memory, then change the amount of memory allocated to Photoshop in the Preferred Size text box
24Creating Special Effects with Filters Chapter H
Alter Lighting with a Render Filter Understanding Lighting Effects
Use the Lighting Effects filter in the Render category to set an atmosphere or highlight elements in an image
Options:– Select the style and type of light
– Adjust the properties of the light
– Texturize the light
25Creating Special Effects with Filters Chapter H
Using Lighting Style and Type
A dozen lighting styles are available:– Spotlights– Floodlights– Full lighting
Lighting types include:– Directional– Omni– Spotlight
26Creating Special Effects with Filters Chapter H
Understanding Lighting Types
Directional lighting:– Washes the surface with a constant light
source
Omni lighting:– Casts light from the center
Spotlight lighting:– Directs light outward from a single point
27Creating Special Effects with Filters Chapter H
Adjusting Light Settings
Adjust light settings in the Lighting Effects dialog box:
28Creating Special Effects with Filters Chapter H
Properties to Adjust
Gloss property– Controls the amount of surface reflection
on the lighted surfaces
Material property– Controls the parts of an image that
reflect the light source color
29Creating Special Effects with Filters Chapter H
More Properties to Adjust
Exposure property– Lightens or darkens the ellipse
Ambience property– Controls the balance between the light
source and the overall light in an image
30Creating Special Effects with Filters Chapter H
Adding Texture to Light
Use the Texture Channel to add 3-D effects to the lighting filter
Procedure:– Select one of the three RGB color
channels, then drag the Height slider to the relief setting required
31Creating Special Effects with Filters Chapter H
Texture Added to a Lighting Effect
32Creating Special Effects with Filters Chapter H
Chapter H TasksIdentify filter categories
Apply filters
Use Artistic filters
Use Stylize filters
33Creating Special Effects with Filters Chapter H
Chapter H TasksAlter images with Distort and Noise filters
Understand and minimize memory usage
Understand and use lighting effects
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