How to change default orientation?

[pstein]

A couple of photos in my collection contain a wrong "orientation#" tag value.
When I open ExifTool GUI and list the EXIF values then there is a value of

"Rotate 90 CW"

instead of "normal/No rotate" (Whats the corresponding value ?).

How can I change the value? The context menu does not show such an entry like "no rotation" or similar.

Thx
Peter

[Phil Harvey]

Hi Peter,

I can't help with the GUI, but the possible Orientation values are here:

1 = Horizontal (normal)
2 = Mirror horizontal
3 = Rotate 180
4 = Mirror vertical
5 = Mirror horizontal and rotate 270 CW
6 = Rotate 90 CW
7 = Mirror horizontal and rotate 90 CW
8 = Rotate 270 CW

- Phil

[pstein]

Ok, thank you.

How can I set a new value to a picture mypic123.jpg by command line?
In other words: Whats is the cmd syntax?

[Hayo Baan]

Hi Peter,

Something like exiftool -orientation#=1 mypic123.jpg should likely do the trick.

[pstein]

Ok, thank you.

But how can I tell ExifToolGUI to show the real, original, embedded values and not their interpretation?

I guess inside a *.jpg only the values 1,2,3,4,.... are stored.

But ExifToolsGUI show already the smart interpretation e.g. "Rotate 90 CW".

[32110]

You may find it easier to use v4.27 of GUI available here:

https://exiftool.org/gui/exiftoolgui427.zip

Use the ^ symbol below Exif and then select Image properties where you will find an Orientation changer.

Hope this helps.

[pstein]

Great! It works with v4.27, thank you!

Why does this feature not exist in v5.15 resp. what is the recommended way in this v5.15?