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Digital Collections Scanning Standards




Archived TIFF images scanned between January 2001 and June 19, 2001 were scanned according to the standards of the California Digital Library (CDL): photographs and graphic images at 300 dpi and text at 600 dpi without corrections. However, as new items were included in the project, the scanning guidelines were modified to compensate for the size of the original image, to ensure that detail of smaller images would be viewable in the online JPEG versions. Those specifications marked *CDL indicate derivation from the CDL Guidelines for Digital Images.

TIFF Images

TIFF images are to be created as follows:

JPEG Images (used in online database)

JPEG images are to be created as follows:

Non-text items

Text items

Detailed Views