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Another option to create openseadragon compatible files is Microsofts Deepzoom Composer: http://www.microsoft.com/en-us/download/details.aspx?id=24819 It's probably not a great option for lots of files, but it's a pretty good gui based option for smaller projects that also creates an html page with the required javascript files to create a zoomable web page off the shelf that you can customize to your liking. I haven't used it in a couple of years so... Mike Beccaria Systems Librarian Head of Digital Initiative Paul Smith's College 518.327.6376 [log in to unmask] Become a friend of Paul Smith's Library on Facebook today! -----Original Message----- From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of Joe Hourcle Sent: Saturday, July 26, 2014 9:34 PM To: [log in to unmask] Subject: Re: [CODE4LIB] very large image display? On Jul 25, 2014, at 11:36 AM, Jonathan Rochkind wrote: > Does anyone have a good solution to recommend for display of very large images on the web? I'm thinking of something that supports pan and scan, as well as loading only certain tiles for the current view to avoid loading an entire giant image. > > A URL to more info to learn about things would be another way of answering this question, especially if it involves special server-side software. I'm not sure where to begin. Googling around I can't find any clearly good solutions. > > Has anyone done this before and been happy with a solution? If you store the images in JPEG2000, you can pull tiles or different resolutions out via JPIP (JPEG 2000 Interactive Protocol) Unfortunately, most web browsers don't support JPIP directly, so you have to set up a proxy for it. For an example, see Helioviewer: http://helioviewer.org/ Documentation and links to their JPIP server are available at: http://wiki.helioviewer.org/wiki/JPIP_Server -Joe