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8" x 10" transparencies are acceptable for color and grayscale scanning. While 35mm slides may become "grainy" when enlarged, transparencies 2 1/4" size and up will reproduce extremely well in most cases. If possible, specify to your photographer to use 2 1/4" format or 35mm film intended for extreme enlargement. Full Color and Grayscale Scans: Continuous-tone art is most commonly submitted in the form of transparencies, photographs, or negatives taken by a professional photographer. Supplying preprinted artwork such as a magazine page or a printout from a color printer is highly discouraged. "Rescreening" this type of art will result in either a moire pattern and/or a blurry image. Scans for Recreating Artwork: Client supplied artwork is often submitted as black and white "slicks" or printed material such as stationary, decals, promotional pieces, etc. This art is scanned as a "template" with the intention of recreating it in Adobe Illustrator. The finished art can contain one or more colors and varying tones of those colors. While a scanning charge does not usually apply, an art charge to recreate the image may. The complexity of the image as well as the quality of the supplied original will have a direct effect on art charges.

Some databases even return a list of everything they have if a user enters an empty search string -- this requires significant server processing time. Search engines tend to just report that they found no matches.Many databases are not designed for easy searching. In a wine database, for example, it may be difficult to find wines from a certain region, such as the Napa valley of California, because the location is stored in a table far away from the wine names. Search engines, which bundle related information during indexing, provide a rich data set for searching. Others provides options to entirely rearrange a database structure, if that''s what''s necessary for searching.

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