Wouldn't deleting the thumb subfolder regenerate them on an as needed basis?
On Tue, Aug 1, 2017 at 10:51 AM, [[kgh]] <[email protected]> wrote: > Building up on this information: > > I have once tried to switch from "regular thumb handling" to "404 thumb > handling" on an existing wiki and found that this does not work since as > a result no thumbs were rendered at all. Starting with "404 thumb > handling" on a fresh wiki however works fine. I have not dug into this > more but may it be that all existing thumbs have to be deleted to clear > the way for the new handling mode when switching the mode on wiki > already in use? > > Cheers Karsten > > > Am 31.07.2017 um 15:52 schrieb Brian Wolff: >> Thumbnails will generally not be deleted except if an image is deleted, >> overwritten with another file or purged (ie appending ?action=purge to the >> file description page) >> >> -- >> bawolff >> >> On Monday, July 31, 2017, Krabina Bernhard <[email protected]> wrote: >>> Dear all, >>> >>> thank you for your help, it is much appreciated. >>> >>> An additional question regarding thumbnailing: do thumbs ever get deleted >> by MediaWiki? >>> They probably get deleted once the image gets deleted. But other than >> that, do all generated thumbnails exist as long as the image exists? >>> cheers, >>> Bernhard >>> >>> >>> ----- Am 29. Jul 2017 um 2:22 schrieb Brian Wolff [email protected]: >>> >>>> Hi, >>>> >>>> MediaWiki will by default only create image thumbs for needed sizes at >>>> time the size is used on a page. So for example when you add an image >>>> to a page, MW will create the thumbnail sizes needed to display an >>>> article. However, if the image is uploaded but never added to a normal >>>> page, then thumbnails for the image won't be generated (except for >>>> those needed on image description page, which are different sizes) >>>> >>>> There is a second mode mediawiki can operate in, where images are >>>> rendered on demand when someone views the image (so-called "404 thumb >>>> handling"). Wikimedia wikis use this mode. In this mode, thumbs are >>>> created on first view. Additionally in this mode, $wgImageLimits >>>> creates additional links on the image description page. This mode is >>>> generally more efficient (especially on page saves), and also more >>>> reliable in the event that there is a missing thumb. >>>> >>>> For information to set up 404-thumb rendering see >>>> https://www.mediawiki.org/wiki/Manual:Thumb.php >>>> >>>> -- >>>> Brian >>>> >>>> On Fri, Jul 28, 2017 at 9:18 AM, Krabina Bernhard <[email protected]> >> wrote: >>>>> Dear MediaWiki experts, >>>>> >>>>> I cannot really figure out the behaviour of MediaWiki regarding >> thumbnailing. >>>>> What I want to achieve is that my MediaWiki installation produces >> thumbnails in >>>>> a specified size. >>>>> >>>>> What I did after reading through several help pages is this: >>>>> --------------------------- >>>>> # Images und Thumbnails >>>>> $wgThumbLimits = array( 80, 250, 390 ); >>>>> $wgDefaultUserOptions['thumbsize'] = 1; // thumb size 250 >>>>> >>>>> $wgImageLimits = array( array( 80, 90 ), array( 800, 600 ), array( >> 1280, 1024 ) >>>>> ); >>>>> $wgDefaultUserOptions['imagesize'] = 2; // image size 800, 600 >>>>> --------------------------- >>>>> >>>>> In my opinion this should guarantee that for every image uploaded, >> there is an >>>>> 80, 250 and 390px sized thumbnail. In many cases this is true, but >> there are >>>>> some cases were I can find a 100px thumbnail, but no 80px thumbnail. >>>>> >>>>> If I understand it correctly, this can perfectly be the case if any >> user sets >>>>> his/her preference to 100px. I don't mind so much extra sizes to be >> produced, >>>>> but I want to make sure that a 80px thumbnail is there. >>>>> >>>>> Maybe in the cases where it is not present the images were uploaded >> before the >>>>> above mentioned setting was made? But how can I get the wiki to redo >> thumbnails >>>>> in my desired size? >>>>> >>>>> cheers, >>>>> Bernhard >>>>> >>>>> _______________________________________________ >>>>> MediaWiki-l mailing list >>>>> To unsubscribe, go to: >>>>> https://lists.wikimedia.org/mailman/listinfo/mediawiki-l >>>> _______________________________________________ >>>> MediaWiki-l mailing list >>>> To unsubscribe, go to: >>>> https://lists.wikimedia.org/mailman/listinfo/mediawiki-l >>> _______________________________________________ >>> MediaWiki-l mailing list >>> To unsubscribe, go to: >>> https://lists.wikimedia.org/mailman/listinfo/mediawiki-l >>> >> _______________________________________________ >> MediaWiki-l mailing list >> To unsubscribe, go to: >> https://lists.wikimedia.org/mailman/listinfo/mediawiki-l > > > _______________________________________________ > MediaWiki-l mailing list > To unsubscribe, go to: > https://lists.wikimedia.org/mailman/listinfo/mediawiki-l _______________________________________________ MediaWiki-l mailing list To unsubscribe, go to: https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
