Wednesday, November 26th, 2008

Seadragon: zoom deeply in the world of Ajax

Category: Mapping, UI

Bertrand Le Roy pointed me to Seadragon Ajax, a JavaScript client that gives you deep zoom (think: Google Maps) ability in short order.

To build the thing itself you use Deep Zoom Composer and then you choose whether you want the Silverlight version or this Ajax one.

The embed viewer is easy to use too.

Posted by Dion Almaer at 6:28 am

4.3 rating from 50 votes


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Dang, that feels slick even on my slow-assed internet connection. Very nicely done.

Comment by MrMoo — November 26, 2008

Doesn’t feel so slick on my dual-core system 2gb Ram :p
but very very impressive!!!!!

Comment by vsync — November 26, 2008

ho i think it gets stuck cause of the ajax that gets the images makes it this way :) should have made a smart algorithm for this case..or something

Comment by vsync — November 26, 2008

Looks like canvas loading 256×256 JPEG tiles, and scaling accordingly for transitioning between “zoom levels”. The 2.1-gigapixel Yosemite panorama is a pretty nice demo, zoom in on the waterfall for example.

Comment by Schill — November 26, 2008

Impressive Microsoft :)
I wouldn’t believe you guys would ever create something which destroyed your main USP of Silverlight. ;)
Great work…
Are these the winds of change or just “facades” to try to convert people like me…?
I’m still not a believer, but this did put me a little bit closer… ;)

Comment by ThomasHansen — November 26, 2008

Quite impressive and creative. Did I say creative? wait this is M$… ok M$ spill the beans, where did you guys copy this from?

Comment by emailandthings — November 27, 2008

For those of you who refuse to touch anything from Micro$oft, there is an open source alternative! – IIPImage, which has already been featured on Ajaxian

Comment by Gruvster — November 30, 2008

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