Legacy ImageMagick Discussions Archive

I have 4k+ pics of each cross in a cemetery and I would like to crop it out from rest of photo.

Samples...
https://pasteboard.co/IvqlunU.jpg
https://pasteboard.co/Ivqm32E.jpg
https://pasteboard.co/IvqoLOm.jpg
https://pasteboard.co/Ivqp2D5.jpg

My limited knowledge I came up with this and ran it ...

I installed Version: ImageMagick 7.0.8-23 Q16 x64 2019-01-02 (dll) on clean windows 10 pro and still does not work.
I downloaded image1 and image2 from above and noticed imagebin has image 1 right side up and image 2 upside down .
This is opposite to what PC shows. Verified the both downloaded ...

both images are orientated with EXIF:Bottom Right and taken with same camera.
irfran and windows (thumbnail) show same orientation (on originals) and varies on modified


strip flips correctly but rotate strip does not -
Image 1 - Originally orients upside down on my PC
https://imagebin.ca/v ...

You could use the auto-orient option of convert to do this. Also Don't forget you can use mogrify instead of convert if you want to replace the existing file (in-place), which is useful when you want to do a directory full.


mogrify isn't and option as I have to keep the original files ...

There is no reason that -rotate 180 would not work. You already have -strip after it, which is proper. However, your viewer may be seeing the EXIF orientation and automatically correcting it. But then your rotate and strip and get back to the original orientation.

If the EXIF data has orientation ...

I am using convert to create a new image, rotate and striping meta info but it fails to rotate when using -strip. I assume because strip removed the EXIF:orientation. So


magick convert "IMG_20180830_110737.jpg" -rotate 180 -strip "new_IMG_20180830_110737-4.jpg" results in image not being rotated ...