Yes, it's my understanding that OpenSeaDragon is basically a
JavaScript implementation of the OpenZoom flash code...and that they
work on roughly the same DZI files. But my knowledge of OpenZoom is
very limited, so take that with a grain of salt.
//Ed
On Tue, Jan 31, 2012 at 12:07 PM, Raymond Yee <[log in to unmask]> wrote:
> Thanks, Ed, for pointing out OpenSeaDragon -- I didn't know about it.
> I've been aware of another similar open source project:
>
> http://www.openzoom.org/
>
> that makes use of Flash -- though the openzoom github repo has
> openzoom.js (https://github.com/openzoom/openzoom.js). I've used the
> Python toolkit of openzoom (https://github.com/openzoom/deepzoom.py) to
> generate tiles.
>
> -Raymond
>
> On 1/31/12 8:59 AM, Ed Summers wrote:
>> If by digital objects you mean images we've been getting a lot of
>> mileage out of OpenSeaDragon [1] at the Library of Congress. You do
>> have to pre-generate the deep-zoom-files DZI [2] or you can implement
>> your own server side tiling code to do it on the fly.
>>
>> As a space vs time trade off we generate tiles on the fly in
>> Chronicling America [3], since there are millions of newspaper page
>> images. But in the World Digital Library [4] we generate DZI files.
>> Chris Thatcher, one of the developers at LC has a fork of the codeplex
>> repo on GitHub [5], which we are applying some fixes to, since GitHub
>> is alot easier to navigate and use than Codeplex.
>>
>> If you are curious here are some samples of the viewer in action:
>>
>> http://chroniclingamerica.loc.gov/lccn/sn85066387/1912-01-31/ed-1/seq-1/
>> http://www.wdl.org/en/item/4106/zoom/#group=1&page=4
>>
>> //Ed
>>
>> [1] http://openseadragon.codeplex.com/
>> [2] https://github.com/openzoom/deepzoom.py
>> [3] http://chroniclingamerica.loc.gov
>> [4] http://wdl.org
>> [5] https://github.com/thatcher/openseadragon
>
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