ExifTool Forum

General => Metadata => Topic started by: spockk on December 23, 2016, 03:58:17 PM

Title: Software to honour [MakerNotes:Canon] AutoRotate
Post by: spockk on December 23, 2016, 03:58:17 PM
Hello,
I have a lot of Canon DIGITAL IXUS 40 pics with MakerNotes field 'AutoRotate' properly set with IFD0.Orientation set to 'Horizontal (normal)' everywhere, i.e.:

[EXIF:IFD0]     Orientation                     : Horizontal (normal)
[MakerNotes:Canon] AutoRotate                   : Rotate 90 CW

Is there any software which honour that Canon's proprietary flag or it's hopeless idea and it would be better to rewrite IFD0.Orientation according to [MakerNotes:Canon] AutoRotate?
Title: Re: Software to honour [MakerNotes:Canon] AutoRotate
Post by: StarGeek on December 23, 2016, 05:56:53 PM
IMO, it would just be better to rewrite the Orientation tag, as that would be compatible with the most software.  Otherwise, you'd just be limiting your software option and that's if you could find some software that would read Autorotate and give it priority over orientation.

I'd also suggest writing to EXIF:Orientation or just Orientation rather than IDF0:Orientation just in case that tag appears in a different EXIF spot.
Title: Re: Software to honour [MakerNotes:Canon] AutoRotate
Post by: Phil Harvey on December 23, 2016, 09:00:25 PM
with this command:

exiftool "-orientation<autorotate" DIR

- Phil
Title: Re: Software to honour [MakerNotes:Canon] AutoRotate
Post by: spockk on December 24, 2016, 10:58:14 AM
Thank you guys for your suggestions!