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Adobe Illustrator Help
Using Help | Contents
Background Determines how transparent areas of the vector graphic are converted to
pixels. Select White to fill transparent areas with white pixels, or select Transparent to
make the background transparent. If you select Transparent, you create an alpha channel
(for all images except 1-bit images). The alpha channel is retained if the artwork is
exported into Photoshop.
Anti-alias Applies anti-aliasing to reduce the appearance of jagged edges in the
rasterized image. Deselect this option to maintain the crispness of fine lines and small text.
Create Clipping Mask Creates a mask that makes the background of the rasterized
image appear transparent (See
Note: You do not need to create a clipping mask if you selected Transparent for
Background.
Add Around Object Adds the specified number of pixels around the rasterized image.
Applying filters and filter effects
To use a filter or filter effect, choose the appropriate submenu command from the Filter or
Effect menu. The last filter or filter effect chosen appears at the top of the menu.
The commands in the top part of the menu can be applied to vector images, with the
exception of Pen and Ink > Photo Crosshatch. The commands in the bottom part of the
menu can be applied to bitmap images, but not to 1-bit (black-and-white) images. All the
bitmap filters and filter effects work on RGB and grayscale images. The following filters and
filter effects do not work with CMYK images: Artistic, Brush Strokes, Distort, Sketch, Stylize,
Texture, and Video.
Some commands let you preview the result before applying the command. Because
applying a filter or filter effect—especially to large bitmap images—can be time-
consuming, use the Preview box to save time and prevent unintended results.
Note: Some bitmap images take more memory to process. Make sure Illustrator has
enough RAM allocated for performing tasks and for the scratch disk—temporary disk
space used to work with bitmap images.
To apply a filter or filter effect:
1 Do one of the following:
Select a bitmap image, and choose a filter from the Filter menu.
•
Select artwork on the artboard, or target an item in the Layers palette. (See
•
the appearance of artwork using the Layers palette" on page
effect from the Effect menu.
2 If a dialog box appears, enter values or select options.
3 To preview the result with the filter's preview box, do either of the following:
Drag in the image window to center a specific area of the bitmap image in the
•
preview box.
Move the cursor inside the preview box to activate the hand tool to see part of the
•
image that is not visible. Drag to see the bitmap image. Use the + or – button under the
preview box to zoom in or zoom out of the preview. A flashing line beneath the preview
size indicates that Illustrator is still rendering the preview.
Using Help | Contents
| Index
"Working with clipping masks" on page
| Index
Working with Bitmap Images
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149.)
"Changing
223.) Then choose a filter
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