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  1. #16
    TB Crew (we work here) MatthewR's Avatar
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    Seattle, WA
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    @Mausermama: We tried to replicate your problem but were unable to so I'm going to second NWhikergal's suggestion of using the Windows Photo Viewer or your favorite photo-editing program to rotate, rotate back, then save. Hopefully that will work!

  2. #17
    Volunteer Moderator
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    @Mausermama, There's no way to rotate images after they have been uploaded to as attachments to forums. If a moderator (or the original poster )"fixes" the orientation, it involves downloading the image (for a moderator to access it), rotating, it, and then uploading it again. What's happening is that when photos have accompanying EXIF metadata that can contain information on the type of camera, f ratio, exposure time, date, time, location, etc., some devices, including iOS devices like your iPad, can read that data and automatically orient the pictures to have "up" show up correctly, regardless of how you held your phone or camera to take that picture. The iPhone and iPad have built in gyroscopes that let them sense which way is "down", and many apps that use the camera take advantage of this information. So when you view those pictures on your iPad, they look correctly oriented.

    Web browsers for the forum sites that you view on your computer don't have this capability to automatically orient pictures by reading the EXIF data. In addition, if you view thumbnails of your uploaded pictures under the attachment gallery, even on an iOS device like your iPad, you'll see that these thumbnail images will appear oriented the same way as you view them in a desktop web browser.

    If you have images saved to the Photos on your iOS device, and view them with any image editing function, (either an app that uses your camera, or simply your Photos editor to crop or rotate) you'll also see these pictures oriented the way they would appear if uploaded to a general web site that you view on your computer, so you can also save or share them (via email) in the "correct" orientation.

    Another way that some people deal with this issue is to use an app that strips your picture of the EXIF metadata before you email it or upload it. There are several of these around, like ViewExif. If there is no EXIF data attached to the image, your iOS device won't be able to rotate it to the "correct" "top is up" direction using information that was provided by the gyroscope in your iPhone or iPad.

    This issue generally crops up for posting in forums, including on Ravelry, and can also affect the Avatar (or, on Ravelry, the "Ravatar") image that you upload to be associated with your account posts.

    @NWHikergal's solution of viewing the emailed attachment first, in Preview, and rotating it before uploading, works because the Preview app on the Mac also doesn't read EXIF data -- it just quickly shows you the raw image, and you can rotate it to the ledt or right with Command-L or Command-R before saving. You can also use Preview to resize large photos and save them.

    @MatthewR, sorry for not posting this earlier, but I was interrupted in composing the reply -- something that happens a lot.

    Also, I'm sorry this isn't more concise. I do most of my forum viewing and moderation on iOS devices, so cutting and pasting, finding references to old posts, etc., typically takes more steps. Also, I'm not an IT person, nor was I familiar with social media, vBulletin, TapaTalk, etc. before being asked to be a moderator. So all this is just based on trying to look up information to deal with questions.

    We've been discussing having "How To's" for issues like posting pictures for some time. One of the problems is that some facts that one needs to know, like the maximum upload size, keep changing depending on the version of vBulletin software, the device platform you use, and the settings that get tinkered with by the site Web software people. Late last summer, I discovered that it was possible to do direct image uploads through the web browser of my iOS devices, provided you are using iOS 6 or later, but then, in practice, I found that the maximum image upload size changed, and I wasn't able to upload pictures for one of the debuts that way. Also, even though some pictures will upload and display correctly in a web browser or web browser app, they might be too large to show up in the TapaTalk app on the same mobile device as anything but broken links.

    I would love to be able to set out clear directions on all these issues of "best practices" for everyone, but frankly, I''ve been finding some of the answers "a moving target".

    HTH

    moriond
    Last edited by moriond; 05-22-2016 at 06:56 PM. Reason: corrected typos

  3. #18
    TB Ravelry Moderator Mausermama's Avatar
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    @Moriond, this is part of the reason why I am so impressed by you– your precise attention to detail! Thank you for your lengthy and precise posting. It helps so much and I appreciate you spent your time in your thoughtful reply.

  4. #19
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    Thanks so much for this post and all of the wonderful and helpful posts. I never could find a photo tutorial. Made my first post with photo today!

  5. #20
    Forum Member
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    Austin
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    I'm trying to upload an 18 kb jpg file and am getting an invalid file type error. What do I do?

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