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The delivery system used in our visual archive was developed
entirely in house using standard tools. The system can be broken
down into four distinct sub-systems:
- CMS (Content Management System)
- Database
- Digitised images
- Web site
The digitised images are scanned, rendered down and security
watermarked to produce JPEG
images for web delivery. Four different sizes of JPEG are produced
from each image allowing the user to choose how much graphic detail
and how long they are prepared to wait for the download.
Our database was built using Oracle
8 and contains a customised Dublin
Core element set.
The CMS is based upon JSP (Java Server Pages) technology that
allows web site users to interact with the database, this in turn
provides search results and links to relevant records.
Our web site is built with standard HTML (HyperText Markup Language)
but with JSP coding embedded, this is stripped off when accessed
delivering pure HTML to the users browser allowing for maximum
compatibility with older browsers.
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