![]() ![]() The setting 'Rotate 90 CW' causes it to be displayed after rotating 90° in the clockwise direction. The actual image in this case is rotated 90° anti-clockwise (the top of the image is to the left) and this needs to be reversed. You can find information about the Orientation tag on the ExifTool web site. I later discovered that the orientation setting can be viewed with the exiftool command: $ exiftool -orientation testimage.jpg They had apparently been taken with one orientation but were being rotated for viewing. ![]() The ProblemĪ show was sent in early March 2022 which had three images with orientation values in the Exif metadata. This short episode describes the journey I had learning about this issue and finding how to get round it. If this is just removed the image might be shown wrongly. Sometimes images are created with a particular orientation by the camera but are written with an Exif orientation setting that shows another orientation. Many people will be alert to this, but in case anything slips through it seems a courtesy to anonymise images sent to HPR.Īs I was implementing this I realised that one piece of Exif data: 'Orientation', can’t just be removed. That’s because this metadata may contain details that could identify the creator of the image - their camera, their location, and other things. One of the things the script does is to strip Exif metadata from such images. I’m writing a script to process image files sent in by HPR hosts with their shows. Summary: An image might reveal data you want to keep private
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |