and other Image Databases
Many web pages are actually generated by databases that organize text, images and other content. CONTENTdm is a database system used by many libraries and historical societies to manage and share their digital collections. Columbus, Ohio based OCLC developed and sells the CONTENTdm system. Among the Ohio users are the Ohio Historical Society/State Library of Ohio, Cleveland Public Library and Cleveland State University's Digital Library projects.
Items displayed as PDF can be saved directly. Use Photoshop or Acrobat Professional to extract the page(s) you want to use.
To get the full size image all at one time, you can use the following form. It makes use of the code used to search for and display the database items. This can make saving oversize maps and images for image overlays simpler. The search code is combined in a URL to query the CONTENTdm database. Use this form to desconstruct the query for an image and then display it. To get the URL of an image, right click on the image and in Firefox choose "copy image location", in IE choose properties and then copy the "address (URL)". Because of the large size of some images, it could take a minute or longer to completely display in your browser.
Older versions of CONTENTdm use the cgi getimage.exe and the server path should be similar to "http://cplorg.cdmhost.com/cgi-bin/getimage.exe?" getimage.exe seems to work with any browser. The latest version of CONTENTdm uses ajax and requires the second form below...
The description of the code needed to search and display items from a database is called an (API). When you combine content from multiple sources it is called a "mashup". Use these terms to find information about how to search and make use of other databases.
Library of Congress
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