![]() ![]() ![]() The filename is constructed by taking the picture’s original file name without the extension, followed by an underscore, followed by the original file extension, followed by. ThumbNail Image Folder: MidSize Image Folder: Since the thumbnails and midsize images are stored in separate folders they can each be named the same, which is how SharePoint in fact does it. The midsized images go in their own sub-folder called ‘_w’ (also a direct child folder of the picture library). The thumbnails go in a subfolder named ‘_t’ that’s located directly under the picture library. Īfter uploading an image (or maybe during the upload?), SharePoint generates the additional thumbnail and midsize images. The library is called ‘Photos’ and it’s in a subsite called ‘Intranet’ at URL: Here’s a SharePoint Library I created in my Office 365 tenancy for this article. If we take advantage of the automatically generated thumbnails that SharePoint generates, we can improve performance without adding any extra work for the person uploading the pictures. Doing it manually would be an extra amount of work for each image but the result is better performance. Of course, this requires that separate, thumbnail-sized images have been created for each picture. To improve performance of SharePoint own UI components, SharePoint automatically creates a thumbnail and a midsize version for each uploaded picture and uses those in their UI.Īlso for performance reasons, most of the image lightbox and gallery plug-ins I found had the option to specify a separate thumbnail file to render in the gallery view. SharePoint Picture Libraries also provide some basic views of images including list views, and thumbnail views, and a basic slideshow capability. Picture Libraries in SharePoint 2013 and SharePoint Online (Office 365) make it easy to drag and drop pictures into the library where they then can be tagged with metadata, sorted, filtered, versioned, etc. (For example, this one also looks promising but I haven’t had a chance to try it yet: ). I did the following example using an image gallery plug-in called UniteGallery ( ), but a similar approach of dynamically getting the images from a SharePoint REST query should work with other gallery/lightboxes as well. One way to do this is to use jQuery and SharePoint’s REST API to connect a Picture Library to one of several jQuery gallery libraries that generally provide lots of display options (most of them are responsive as well which is very cool in this cloud-first, mobile-first world). ![]() A client was recently looking for options to improve on SharePoint’s OOB ability to display pictures. ![]()
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