Zoomable images are displayed by making a tiled image pyramid. Externally hosted images are referenced by their URL. The images may be hosted locally by uploading the original large image, or externally. This program if not, write to the Free Software Foundation, Inc.,ĥ1 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.Django Loupe provides an easy way to display zoomable, large images. You should have received a copy of the GNU General Public License along with See the GNU General Public License for more This program is distributed in the hope that it will be useful, but WITHOUTĪNY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESSįOR A PARTICULAR PURPOSE. The terms of the GNU General Public License as published by the Free Softwareįoundation either version 3 of the License, or (at your option) any later This program is free software you can redistribute it and/or modify it under The AvantZoom plugin will automatically detect that the item has multiple zoomable images and display them appropriately.Transfer the single folder with all of its subfolders to the zoom folder as described above in Step 3.Move the folders for each image into this single folder.Create a single folder for the item named using the item’s Identifier value.by adding a suffix to the item’s identifier. Follow Steps 1 and 2 above for each image, but give each folder a unique name e.g.a document with eight pages, follow these steps: If the item has more than one image, e.g. Use FTP or other mechanism to transfer the folder to your Omeka installation's files/zoom folder.Rename the folder to be the same as the item's Identifier value.Use Zoomify to create a folder of tiles from an item's high resolution image.An item with no image will not display its zoomable image. Ensure that the item already has a non-zoomable image attached to it.If you are using other kinds of tiles, you'll need to edit the ImageZoom::emitZoomScript function in ImageZoom.phpįollow these steps to make an image zoomable: If an item's image has no tiles, the image is displayed in the usual way.īy default, AvantZoom configures OpenSeadragon to work with tiles created by the ZoomifyĪpplication. The AvantZoom logic automatically detects the presence of tiles and displays the OpenSeadragon viewer. You make an image zoomable by creating tiles for it as explained in the steps below. Generally better results come from TIFF files, but high resolution JPEG files can work very well too. The best candidates are large, high resolutions images that Not every image must or should be zoomable. Once you have AvantZoom installed properly per the Installation instructions above, you can begin to selectively make '' Īt the end of show.php, insert code just above the call to foot() so that the end of the file looks like this: partial('avantzoom-script.php', array('viewerScript' => $zoomScript)) metadata('item', array('Dublin Core', 'Title')). metadata('item', array('Dublin Core', 'Title')),'bodyclass' => 'items show')) Įcho ''. When $zoom is false, the item's image is not zoomable in whichĬase, the orgiginal HTML is rendered to display the image in the usual (non-zoomable) manner. Whether or not to display the OpenSeadragon viewer. Note the insertion of !$zoom & in the last line. metadata('item', array('Dublin Core', 'Title')),'bodyclass' => 'items show')) ?> You might need to make different edits for other themes.įirst edit the code at the top of show.php by replacing the first four lines in the file (shown below). The instructions that follow are using the show.php from the Seasons theme. Page and also makes calls to the AvantZoom logic that configures OpenSeadragon to display an item's image. This code adds the OpenSeadragon viewer to the Show Show.php file to insert code at both the top and the bottom of the file. The AvantZoom plugin provides everything you need to start using OpenSeadragon, but you must edit your theme's Edit your theme's show.php file as explained below.The folder contains icon usedīy the OpenSeadragon viewer for the zoom in, zoom out, and other controls. Copy the images folder from the AvantZoom folder to the files/zoom folder.Add a zoom folder to your Omeka installation's files folder. Activate the plugin from the Admin → Settings → Plugins page.Unzip the AvantZoom-master file into your Omeka installation's plugin directory.Images, implemented in pure JavaScript, for desktop and mobile. OpenSeadragon - An open-source, web-based viewer for high-resolution zoomable.DependenciesĪvantZoom depends on the following open source library which is included in the views/shared/javascripts folder.Ĭlick the link below to see it copyright and license. The AvantZoom plugin provides image zooming using OpenSeadragon.
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