Zenphoto

We have just restructured our user guide a bit. Specifially we worked on the troubleshooting which formerly was located within the article "Troubleshooting guide". This was a collector article that fetched otherwise invisible shorter articles by a script to create a huge list. While the overview was nice it was outside the site search and a bit inconvenient to find.

We now have now create a buch of new longer articles to group these shorter articles thematically so they are easier to find. While doing that we tried to clean up a bit and removed some outdated info, too. You can now find all these via the main category "troubleshooting".

If you are searching on our forum there are a lot direct links to those former shorter articles within the troubleshooting guide that will be broken.

While the user guide might not be (...)

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Assigning a specific user to a page or article

This is the way if you are the master admin and want to set up something for users with lower rights:

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Is there any limit to the number of images?

There are no limits to the number of images Zenphoto can display in a gallery or album. Zenphoto is file system based and unique in that it scales relatively well due to its simple design. The speed of the gallery is dependent on a few minor things, namely the number of images in any given album.
Zenphoto should be able to handle any number of images in the entire gallery. It will help greatly with performance if they are separated into smaller albums. Even then, single albums with 2000+ photos are possible and will still be usable.

If you're having trouble with the speed of large galleries, try using the static_html_cache plugin to cache Zenphoto pages. Frequently loaded pages will be much faster.

Is it possible to remove the filename extension from image names in the URL?

No, the unique identifier to find the photo requested is the actual filename, and the only way (...)

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Thumbnails/sized images are not generated and/or the server crashes

Server memory issues

• VGA Image, 640 x 480 pixels => needs ~4.1 MB Memory
• SVGA Image, 800 x 600 pixels => needs ~4.8 MB Memory
• 1 MP Image, 1024 x 798 pixels => needs ~6.3 MB Memory
• 2 MP Image, 1600 x 1200 pixels => needs ~11.7 MB Memory
• 6 MP Image, 2816 x 2112 pixels => needs ~22.6 MB Memory
• 8.2 MP Image, 3571 x 2302 pixels => needs ~41.7 MB Memory (...)

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Administrating images hosted on another server

Zenphoto unfortunately does not support this. Zenphoto must be installed on the same server as the photos it is hosting. This is what we recommend.
Even if this was possible, it would be very slow as Zenphoto is filesystem-based and uses many filesystem operations, and doing that over a network would slow things down significantly.

Using videos from Youtube or other portals

1. Enable the class-textobject plugin on the backend plugins page.
2. Upload a plain text file (.txt) with an embed code via ftp or the backend.
3. To use an thumbnail besides the default one follow the same instructions as for video thumbnails.
4. That's (...)

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How caching works

Image cache

Zenphoto does not touch the original full images you uploaded to the albums directory. But it does cache the resized images like thumbs, sized large images or any other sized images so they don't have to be generated again.

Zenphoto also caches sized images if they have the same size of the original full image. It does this to prevent overhead checking this everytime if it needs to be cached. If available on your server Zenphoto will use symlinks to those already sized instead of copying the image again (unless a watermark is set).

Zenphoto generally creates these cached files on the fly. This means they are not preliminary created but on request, e.g. if someone visits a page of your site. Depending on the dimensions of your images and your server's power this might result in an initial delay once. Other (...)

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de_DE/
de_DE/LC_MESSAGES
de_DE/LC_MESSAGES/zenphoto.po
de_DE/LC_MESSAGES/zenphoto.mo

There are several problems you might be having with language translations:

There is no language selection for my desired language

Zenphoto relies on volunteers to translate each release. We have a large number of dedicated individuals making translations. There may be a translation for your language (...)

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Installing third party plugins

Installing

Official plugins and extensions reside within /zp-core/zp-extensions. You should never remove official plugins as they might be used internally, too. You also should never install third party plugins there. Instead you need to install them within the root /plugins folder.

Zenphoto plugins consist at least of one file  .php. It may optionally use a folder with the same name within the plugins folder that contains files for extra functions, css files or images. Example:

plugins/.php
plugins// (contains additional files needed by your plugin)

If you download a (third party) plugin and uncompress (unzip) it you will often have the file or the file and folder within another folder. Don't upload that folder but only its content as shown above to the /plugins (...)

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1. If you supplied an email address in the Admin options there should be a Captcha string image on the log-on page. Entering that string as the log-on password will email you a link to reset your password.
2. If the Captcha is not there, or if you don't get the email, you need to delete the administrators table in your database and re-run setup.

Problems logging in on the backend

First please review "Forgotten admin password" above. If you are still having problems after following that advice you will have to enable some debugging to allow the developers to observe what is happening when you attempt your login. Locate your site's global-definitions.php file. Using a text editor find the (...)

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