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jpegexiforient - Online in the Cloud

Run jpegexiforient in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command jpegexiforient that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


jpegexiforient - reads or writes the Exif Orientation Tag

SYNOPSIS


jpegexiforient [switches] jpegfile

DESCRIPTION


This is a utility program to get and set the Exif Orientation Tag. It can be used
together with jpegtran in scripts for automatic orientation correction of digital camera
pictures.

The Exif orientation value gives the orientation of the camera relative to the scene when
the image was captured. The relation of the '0th row' and '0th column' to visual position
is shown as below.

Value | 0th Row | 0th Column
------+-------------+-----------
1 | top | left side
2 | top | right side
3 | bottom | right side
4 | bottom | left side
5 | left side | top
6 | right side | top
7 | right side | bottom
8 | left side | bottom

For convenience, here is what the letter F would look like if it were tagged correctly and
displayed by a program that ignores the orientation tag:

1 2 3 4

888888 888888 88 88
88 88 88 88
8888 8888 8888 8888
88 88 88 88
88 88 888888 888888

5 6 7 8

8888888888 88 88 8888888888
88 88 88 88 88 88 88 88
88 8888888888 8888888888 88

jpegexiforient output the Exif Orientation Tag in a JPEG Exif file. With the options -1
.. -8, it can also be used to set the tag.

OPTIONS
--help display this help and exit

--version
output version information and exit

-n Do not output the trailing newline

-1 .. -8
Set orientation value 1 .. 8

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