| ||
Sat 2024-12-21
Fri 2024-12-20
Thu 2024-12-19
Wed 2024-12-18
hydroxychloroquine fraud withdrawn Tue 2024-12-17
Sun 2024-12-15
Sat 2024-12-14
Fri 2024-12-13
Thu 2024-12-12
Tue 2024-12-10
Search
Archives
2023
12 11 10 09 08 07 06 05 04 03 02 01
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
One good site
MDN
Nelson Minar
Blog licensed under a Creative Commons License
|
Canon's photo software loses data. Their tool autorotates images and
renames files sensibly. But it blows away a bunch of the
metadata from the photo! Better to copy via Windows. If their software rotates an image for you,
you lose at least the following EXIF tags:
Maximum Lens Aperture, Metering Mode, Sensing Method, File Source,
Firmware Version, Image Compression Mode, Flash (fired or not),
Subject Distance
I wrote my own tool to read the EXIF data in the image and rename and timestamp files appropriately. What a pain in the neck. EXIF isn't a good standard; I decided exiftags does the best job of reading EXIF files, including Canon's extensions. Converting timezones is a pain. I was going to autorotate the images but as I note below the software that claims to do this losslessly doesn't. Maybe I'm obsessive? Well, now I have a Python library. |
|
