del Exif.Image.ImageDescription set Exif.Image.Orientation 1 set Exif.Image.Software gthumb 2.13.1 del Exif.Photo.UserComment del Exif.Canon.OwnerName set Exif.Photo.PixelXDimension 1200 set Exif.Photo.PixelYDimension 1600 set Exif.Iop.RelatedImageWidth 1200 set Exif.Iop.RelatedImageLength 1600 del Exif.Thumbnail.Compression del Exif.Thumbnail.XResolution del Exif.Thumbnail.YResolution del Exif.Thumbnail.ResolutionUnit del Exif.Thumbnail.JPEGInterchangeFormat del Exif.Thumbnail.JPEGInterchangeFormatLength set Xmp.xmp.Rating 0