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Our seadragon ajax'd image keeps disappearing
I've used SeaDragon Ajax to display an image on our academic library's web page. I put the image in photozoom, fed the address into the seadragon ajax code generator. Since it's been up it has disappeared twice (the space for it is there but there's just black). The first time this happened (about
two months ago) I simply refed the addressinto the code generator, and replaced the code on our website. It disappeared again yesterday. I have no idea why this keeps happening. Before I attempt to fix it again, I thought I'd give you the url of the broken version so that maybe someone there could attempt to figure out what's going on. The seadragon image is supposed to be at the bottom of the
following page: http://www.exeter.edu/libraries/4513_...
two months ago) I simply refed the addressinto the code generator, and replaced the code on our website. It disappeared again yesterday. I have no idea why this keeps happening. Before I attempt to fix it again, I thought I'd give you the url of the broken version so that maybe someone there could attempt to figure out what's going on. The seadragon image is supposed to be at the bottom of the
following page: http://www.exeter.edu/libraries/4513_...
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Inappropriate?Very sorry that you've run into this twice now! Both times were actually related to PhotoZoom changes: the first time, PhotoZoom changed the internal architecture a little bit, breaking a lot of previous DZI URLs, and the second time (now), PhotoZoom has actually completely changed to a whole new site, DeepZoomPix. And unfortunately, DeepZoomPix isn't really compatible with Seadragon Ajax, i.e. it doesn't expose the DZI URLs.
PhotoZoom is run by a completely separate team, with completely separate goals, and so we didn't have much control over this breaking change. When we shipped Seadragon Ajax back in November, we didn't have a great story for easily creating and hosting DZIs online. We've actively been working on something to help with that now, but in order to at least have something then, we took a dependency on PhotoZoom, guiding users like you there for converting and hosting DZIs. And now that's come to bite us!
The good news is, you run a website, so I'm assuming hopefully that you have access to some webspace. If so, the best, long-term, 100% satisfaction-guaranteed method is to store the DZI on your own server! Is that a possibility for you?
The process for that would be:
1. Take your source image and convert it to a DZI on your own computer. You can do this through Deep Zoom Composer. Use the same image format (PNG vs. JPEG) as the source image, and export it as "images only".
2. Take the exported files (the XML manifest and the image tiles), preserving the folder structure, and upload them onto your webserver. The total space required should be about 133% of the source image's size.
3. Regenerate the Seadragon Ajax embed snippet with our embed builder, and replace the old embed snippet on your page with this new one.
That should do the trick. Let us know if this isn't feasible, and again, sorry for the trouble and frustration this has caused you!
I’m sorry about PhotoZoom
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this answers the question
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Inappropriate?Okay. Well, I used deepzoom composer and I'm assuming the elements you're talking about are in the "working data" folder (or do I need all the folders - Exported Data, Source Images etc.?) Unfortunately, our IT dept won't let us put anything like this on the server unless it resides in our web content management asset area. So, I could stick it in a free share space (like divshare) but I'm not sure what I'd use as the url for the embedding tool (I'm also assuming that each folder would have its own URL). I'm probably not making sense . . . -
Inappropriate?You only need the stuff under Exported Data -- this should only be the dzc_output.xml file and the dzc_output_files/ folder. Is that what you get?
Yeah, try putting that up into your free share space, and ask your IT department how to access that space through regular HTTP URLs. The folder structure needs to be preserved, so if it's not, that would be a problem. In that case, try asking your IT department if there's any other way you could get this static content hosted on a web server somewhere.
Thanks for your effort! -
Inappropriate?T. Wharton, I have great news. Turns out your old PhotoZoom content still exists. I talked to the PhotoZoom developer, and the content is now available by just replacing "photozoom.mslivelabs.com" with "deepzoompix.com".
The image that used to be on your page, for example, is still there -- just plug in this URL: http://deepzoompix.com/DZ/100/1/Image... [edit: in my haste, I pasted the "photozoom.mslivelabs.com" URL; here's the correct "deepzoompix.com" one.]
Sorry to lead you down the path of trying to host the image yourself. I hope this solves your problems!
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