
Improving thumbnail quality in other programs
Depending on which graphics program created or modified a particular file, you may be able to improve the quality of thumbnails that Expression Media displays by setting options in the program that was last used to modify the file. Use the suggestions in the following sections according to the program that you use to create or edit your files.
Adobe Illustrator
This information applies to Adobe Illustrator version 8.0 only.
Adobe Illustrator does not offer any options for modifying thumbnails in its native format (.ai).
For the best catalogs, we recommend that you save files with the Create PDF Compatible File option selected. This option saves the file in .pdf format. You can find the Create PDF Compatible File option in the Illustrator Options dialog box, which appears when you save an Illustrator file by clicking Save As on the File menu.
Adobe ImageReady
Adobe's optimization program, Adobe ImageReady, does not embed thumbnails in optimized files. Expression Media automatically creates its own thumbnails for these files.
Adobe InDesign
This information applies to Adobe InDesign version 2.0, Creative Suite (CS) 1-3.
Files created with the page layout program InDesign CS2 have thumbnails if you select the Save Document Preview Image option in the InDesign File Handling dialog box on the Preferences menu.
The InDesign File Handling dialog box in InDesign CS2 also enables you to define the size of preview images that you can then use to create thumbnails in Expression Media. The size that you select limits the size of thumbnails that Expression Media can create. Expression Media also displays this preview in Media view.
In InDesign versions 2.0 and CS, InDesign files contain a 128x128–pixel, color-bitmap PICT thumbnail of the first page of InDesign documents.
In InDesign, select a preview size for files in the File Handling dialog box on the Preferences menu.
Adobe Photoshop
This information applies to Adobe Photoshop versions 6.0, 7.0, and Creative Suite (CS) 1-3.
Adobe Photoshop, an image-editing program, can embed sharpened thumbnails (thumbnails with a sharpening filter applied) and save thumbnail files. This option is controlled in the Photoshop program's Preferences: File Handling dialog box. When you select either the Macintosh Thumbnail or Windows Thumbnail option, Photoshop (CS 2-3) creates thumbnails at 160 pixels. No options exist for controlling the size of thumbnails.
If you have selected the Use built-in thumbnails option in Expression Media, thumbnails for Photoshop files might appear to be smaller than the box that contains the thumbnail. If you rebuild them, the thumbnail size will match the rest of your catalog.
In the event that a Photoshop file does not have a built-in thumbnail, Expression Media automatically creates its own at 320 pixels. The default thumbnail size for Adobe Photoshop 7.0 files is 128 pixels; for Adobe Photoshop 6.0 files, it is 112 pixels.
Freehand MX
This information applies to Macromedia Freehand versions 9.0 and 10.0. It also applies to Freehand MX (11.0).
Freehand embeds a small thumbnail when it saves files. These thumbnails are 112x112 pixels, in .pict (a color bitmap) format.
Some FreeHand files might have been saved without a thumbnail or preview. As a result, these files display a generic icon.
However, Freehand has the option Export Preferences that enables you to make sure a thumbnail is added. You can find this option in Freehand by clicking Preferences on the Edit menu.
To get the best thumbnails, we recommend that you select the following options in Freehand:
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Freehand file preview When you select this option, Freehand documents are saved with a preview thumbnail embedded. The default is a 112x112 JPEG thumbnail. You can increase the width and height of this preview to guarantee a larger image to display in Media view.
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Include Portfolio preview When you select this option, Freehand documents include a thumbnail bitmap preview used by Extensis Portfolio for browsing (font manager). Expression Media uses this preview for display in Thumbnail view.
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Selecting the Bitmap PICT When you select this option, a color shift and gradient banding might occur on CMYK (color mode) documents. The benefit of checking this option is that you can scale the size of your preview, which is valuable for very large documents.
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Using the Rebuild Item command does not improve the quality of these thumbnails.
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For more information about these export options, see the Macromedia Freehand Help documentation.