The Pixelate filters in Photoshop break up your images into bits and pieces, providing more of those painterly effects you can get with brush strokes and artistic filters.
Rendering
In computerese, rendering means creating something from nothing, in a way. That’s why rendering filters in Photoshop all produce special effects by creating a look, object, or lighting effect that’s melded with your original image.
Using the Clouds filter
The Clouds filter, for example, can muster a sky full of clouds from scratch with a few clicks of the mouse. This filter creates clouds using random values from between the foreground and background colors. Indeed, most Photoshop veterans use this filter so much that they have a surprising number of clouds in their images. Find it at Filter-->Render-->Clouds. To create a more contrasty cloud effect, press Alt (Option on the Mac) when choosing the command.
Need a quick Web background image? Create a 128 x 128 (or some multiple of that size) pixel image and apply the cloud filter. It tiles seamlessly on your Web page.
This new filter can create a textile-like effect out of the thin air. Choose Filter-->Render-->Fibers. In the dialog box, move the Variance slider to increase the contrast between light and dark areas. Move the Strength slider to increase the tightness of the weave of the fibers. Click the Randomize button to get another variation of the effect of the filter.
Using other rendering filters
Other useful filters in the Render submenu (found at Filter➪Render) include:
- 3D Transform: Use this filter to wrap objects around three-dimensional shapes such as cubes and spheres, producing say, a mock-up of your favorite championship breakfast cereal with your photo on the front.
- Difference Clouds: Use this filter to create puffy objects in the sky (or foggy clouds at lower levels). Instead of performing this magical feat the way the Cloud filter does, the Difference Clouds filter uses image information to figure the difference in pixel values between the new clouds and the image they’re joining. The result is a unique cloud effect. Try applying the filter repeatedly to create a marbleized effect.
- Lens Flare: This filter creates the reflection effect that plagues photographers when they point their cameras toward a strong light source, such as the sun. Photoshop mimics several different kinds of photographic lenses, giving you useful flares that can spice up concert photos, add a sunset where none existed, and create other kinds of lighting bursts. In the Lens Flare dialog box, specify a location for the center of the flare by clicking on the image thumbnail or dragging the crosshair.
- Lighting Effects: A sort of photo studio lighting setup, this filter uses pixels to do its work. You can set up 16 different lights and manipulate how they illuminate your photo.
- Texture Fill: This filter fills an area with a grayscale image. Select the filter and open the image you want to use as the texture fill.
Rendering
In computerese, rendering means creating something from nothing, in a way. That’s why rendering filters in Photoshop all produce special effects by creating a look, object, or lighting effect that’s melded with your original image.
Using the Clouds filter
The Clouds filter, for example, can muster a sky full of clouds from scratch with a few clicks of the mouse. This filter creates clouds using random values from between the foreground and background colors. Indeed, most Photoshop veterans use this filter so much that they have a surprising number of clouds in their images. Find it at Filter-->Render-->Clouds. To create a more contrasty cloud effect, press Alt (Option on the Mac) when choosing the command.
Need a quick Web background image? Create a 128 x 128 (or some multiple of that size) pixel image and apply the cloud filter. It tiles seamlessly on your Web page.
This new filter can create a textile-like effect out of the thin air. Choose Filter-->Render-->Fibers. In the dialog box, move the Variance slider to increase the contrast between light and dark areas. Move the Strength slider to increase the tightness of the weave of the fibers. Click the Randomize button to get another variation of the effect of the filter.
Using other rendering filters
Other useful filters in the Render submenu (found at Filter➪Render) include:
- 3D Transform: Use this filter to wrap objects around three-dimensional shapes such as cubes and spheres, producing say, a mock-up of your favorite championship breakfast cereal with your photo on the front.
- Difference Clouds: Use this filter to create puffy objects in the sky (or foggy clouds at lower levels). Instead of performing this magical feat the way the Cloud filter does, the Difference Clouds filter uses image information to figure the difference in pixel values between the new clouds and the image they’re joining. The result is a unique cloud effect. Try applying the filter repeatedly to create a marbleized effect.
- Lens Flare: This filter creates the reflection effect that plagues photographers when they point their cameras toward a strong light source, such as the sun. Photoshop mimics several different kinds of photographic lenses, giving you useful flares that can spice up concert photos, add a sunset where none existed, and create other kinds of lighting bursts. In the Lens Flare dialog box, specify a location for the center of the flare by clicking on the image thumbnail or dragging the crosshair.
- Lighting Effects: A sort of photo studio lighting setup, this filter uses pixels to do its work. You can set up 16 different lights and manipulate how they illuminate your photo.
- Texture Fill: This filter fills an area with a grayscale image. Select the filter and open the image you want to use as the texture fill.
Breaking Your Image into Pieces with Photoshop
![Breaking Your Image into Pieces with Photoshop]()
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