Commons:Graphics village pump/October 2023

File:"Lord Mayor's Show" London 2006 (295241830).jpg

On the file page this looked good, but when I clicked on it it was 90 degrees off so I requested rotation. Now it still looks good on the file page and also when you click on it. However in the file history section it looks 90 degrees off. What's weird with this file? Jonteemil (talk) 23:11, 25 August 2023 (UTC)

@Jonteemil: The file has an EXIF orientation instruction of "Rotate 270 CW". The file was uploaded in 2014, which (if I remember correctly) was before the thumbnailing system got support for reading EXIF orientation instructions. This means it would produce a thumbnail pointing to the left. This thumbnail was then cached indefinitely, which is why you still saw it today. The file has been purged since, so the thumbnail has been regenerated and should appear correctly if you bypass your cache. Because the file is below a certain size, the file page displays the original file, which means that your browser interpreted the EXIF orientation instruction. --AntiCompositeNumber (talk) 22:52, 4 October 2023 (UTC)

I see. So we can either have https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/%22Lord_Mayor%27s_Show%22_London_2006_%28295241830%29.jpg/400px-%22Lord_Mayor%27s_Show%22_London_2006_%28295241830%29.jpg look good or https://upload.wikimedia.org/wikipedia/commons/2/28/%22Lord_Mayor%27s_Show%22_London_2006_%28295241830%29.jpg, but not both? What is more preferable? — Preceding unsigned comment added by Jonteemil (talk • contribs) 22:57, 4 October 2023‎ (UTC)

@Jonteemil: They look the same to me. Any difference is probably just cached by your browser. --AntiCompositeNumber (talk) 01:11, 5 October 2023 (UTC)