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Project description

thetaexif is a Python library for RICOH THETA image. It provides a EXIF reader class and a rectification tool.


  • Python 3.6 or later

  • Pillow

  • Scipy


$ pip install thetaexif


In Python

>>> from thetaexif import ExifReader, tag
>>> reader = ExifReader('image.jpg')
>>> reader.makernote[tag.FIRMWARE_VERSION]
>>> reader.theta[tag.ZENITH_ES]
(Fraction(20, 1), Fraction(-24, 1))

Show Theta EXIF

$ theta-tool info image.jpg
RICOH Marker Note
0x0001 [MakerNoteType]: Rdc
0x0002 [FirmwareVersion]: Rev0102
0x0005 [SerialNumber]: 0000000000102690
0x1000 [RecordingFormat]: 2

THETA Subdir
0x0001 [RicohCameraType]: 1
0x0002 [HDRType]: 0
0x0003 [ZenithEs]: (20, -24)
0x0004 [CompassEs]: 45/2
0x0005 [AbnormalAcceleration]: 0
0x0101 [FilmISO]: (100, 0, 100, 0)
0x0102 [Aperture]: (21/10, 21/10)
0x0103 [ExposureTime]: (1/4000, 1/4000)
0x0104 [SensorSerial1]: A0015348
0x0105 [SensorSerial2]: A0015357


rectify command reads gyroscope and compass data and rotate images to rectify camera pose.

Rectify image.jpg and save to image_rectified.jpg:

$ theta-tool rectify image.jpg

Rectify image.jpg using compass data (rotate image to face the north):

$ theta-tool rectify -c image.jpg

Keep EXIF and rectify:

$ theta-tool rectify -e image.jpg


0.2 (2019-05-02)

  • Support Python 3.x

  • Remove the dependency on Cython

0.1 (2014-06-22)

  • Initial release

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