Why YSK: There's been many image posts to the fediverse that have incorrect rotations and this info should help you to prevent that situation for your own posts.

Your phone's camera app will add some metadata to the pictures you take called Exif data.
Most apps will simply add metadata that asks for the image to be rotated rather than actually rotating the image so that the picture-taking experience seems smoother/faster. This metadata is usually striped out by most websites when you submit them which leaves the image in the original rotation rather than the one you might have expected.

Why is this metadata removed by websites? The GPS location of where you took the picture can be included in that data as well as other sensitive info such as the date/time and the unique ID for your device. This data is often removed from the images to prevent leaking that info but not all sites will do this so it's good to make a habit of purging that info yourself before putting them online!

Use an image editor app that will show the real rotation and/or strip out the Exif metadata. There's a helpful article on XDA for both android and ios that shows how to disable the location data as well as some apps to remove exif data: https://www.xda-developers.com/how-to-view-remove-exif-data-android-ios/

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At least 23 people were injured, one fatally, when gunfire erupted early Sunday at a Juneteenth celebration in suburban Chicago, authorities said.

The shooting unfolded about 12:30 a.m. in the parking lot of a strip mall in Willowbrook, about 23 miles west of Chicago, according to the DuPage County Sheriff's Office.

Investigators look over the scene of an overnight mass shooting at a strip mall in Willowbrook, Ill., June 18, 2023. Matt Marton/AP
The gunfire erupted during a large gathering of several hundred people to commemorate Juneteenth, Battalion Chief Joe Ostrander with the Tri-State Fire Protection District told ABC Chicago station WLS-TV.

Victims were taken to multiple area hospital with gunshot wounds, according to the sheriff's office. One person was pronounced dead and at least two were in critical condition, Deputy Chief Eric Swanson of the DuPage County Sheriff's Office said at a news conference.

Investigators talk with a person at the scene of an overnight mass shooting at a strip mall in Willowbrook, Ill, June. 18, 2023. Matt Marton/AP
No arrests have been announced.

A motive for the shooting is under investigation.

Investigators look over the scene of an overnight mass shooting at a strip mall in Willowbrook, Ill., June 18, 2023. Matt Marton/AP
Sheriff's deputies had been monitoring the annual Juneteenth celebration when they responded to a 911 call of a fight breaking out nearby, the sheriff's department said. While deputies were investigating the report of the fight, they heard gunshots and immediately returned to the Juneteenth celebration, authorities said.

"An unknown number of suspects fired multiple rounds from multiple weapons into the crowd," police said in a statement.

In addition to those shot, several victims were treated at area hospitals for injuries they suffered attempting to flee the area, according to the sheriff's office.

Detectives were combing through security video and witness cellphone video Sunday afternoon in hopes of identifying suspects, authorities said.

Witnesses described a scene of panic with people scattering in all directions, seeking cover from the barrage of gunfire.

"It was supposed to be like a Juneteenth celebration; we just started hearing shooting, so we dropped down until they stopped. They just kept going. After that, we literally scattered away," witness Markeshia Avery told WLS-TV.

I thought this is a pretty cool way to visualize the process and figured I'd share!

The author's git repo and twitter are:
https://github.com/dmarman/sha256algorithm
https://twitter.com/manceraio