Support » Plugin: Zoomify embed for WP » Image will not display

Image will not display

  • Resolved dh2aland

    (@dh2aland)


    2 months, 4 weeks ago

    The site I support has changed to use WordPress and I have a collection of images that use Zoomify to display on that site. I have a test WP where I have installed your plugin but have not been able to get it to display an image. I am running WP 5.6 and the TwentyTwelve theme. Is there something with this release that causes the problem?

    No error messages show up on the screen with this page. A larger image that I tested (which does not display either) pops up with a message that this page is slowing down your browser – replay wait or cancel. I reply wait multiple times, but the images does not display.

    Looking for suggestions or advice on how to proceed to get this to work correctly. Thanks!

    The page I need help with: [log in to see the link]

Viewing 6 replies - 1 through 6 (of 6 total)
  • Plugin Author SdeWijs

    (@sdewijs)

    2 months, 4 weeks ago

    Hi there,

    I looked at your website and the code that is being generated by the plugin. At first hand all seems like it should have to work. The only error is the warning that the page is not refreshing because of a slow network.

    Looking closer at the network traffic, I see that your zif-file is being loaded in chunks ranging from 250Kb to almost 1MB. Normally, those chunks should be 25kb each. This is the whole idea of Zoomify, to split your images up into small chunks so the image loads very fast.So that could indicate an issue with either the zif files or the Zoomify Express zif reader. Can you try uploading your own copy of the Zoomify Express javascript file that was used on the old website (you can do so in the plugin settings), and see if this fixes the issue?

    Also, can you share the code that was used to display the zif files on the old website? This may help to see what is causing the issue.

    Regards,
    Sander

    • This reply was modified 2 months, 4 weeks ago by SdeWijs.
    Thread Starter dh2aland

    (@dh2aland)

    2 months, 4 weeks ago

    Thanks for your quick response.

    I have been working remotely with the advent of the pandemic, and no longer have remote access to the new server. Nor do I have any support access to the new WP production or test servers, again as I am not on site. As a result, I am working with a hosted test system of my own which is the one that you see with the original post.

    Also, the previous pre-WP web site did not use the .zif feature, rather we continued to use the original Zoomify methodology of multiple directories with the multitudes of .jpg files. So I do not have any examples of code that worked with the ‘new’ (at least to us) .zif files.

    So I am building some other test cases that I can work with. I did create one test outside of the WP environment on the same server where the previous test failed and that also failed. I will post as when I get it set up.

    Thread Starter dh2aland

    (@dh2aland)

    2 months, 3 weeks ago

    I build a local WP site and have tested the plugin on that system which is at version 5.6 and it works fine. So that should rule out the WP version as the problem. Now I am awaiting a response on another remote WP site where I could test, but it offers only a limited set of plugins. I have asked how I could install additional plugins so I could test a different remote environment.

    It appears that the problem is that the server does not know how to respond to a request for a .zif file. The request is for a segment, but my original test shows it is returning the entire file for every segment request (eventually) but the recipient cannot process it. And the browser things the server is very slow since it is dragging all the data multiple times.

    Plugin Author SdeWijs

    (@sdewijs)

    2 months, 3 weeks ago

    I once ran into the case where a server had issues handling the .zif file requests as chunks. Can you try adding this to the .htaccess of the WP installation?

    SetOutputFilter DEFLATE
    SetEnvIfNoCase Request_URI \.zif$ no-gzip dont-vary

    Thread Starter dh2aland

    (@dh2aland)

    2 months, 3 weeks ago

    That did the trick! Thank you very much.

    I was having trouble finding another remote site where I could test that would allow me to install plugins. Now I can proceed with more testing and refining of my panorama display proposal.

    With appreciation, Dale

    Plugin Author SdeWijs

    (@sdewijs)

    2 months, 3 weeks ago

    Great! Please consider leaving a review if you are happy with the plugin and support.

    Cheers,
    Sander

Viewing 6 replies - 1 through 6 (of 6 total)
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