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[web/gag.com] / bdale / blog / posts / Digital_Photo_Creation_Dates.mdwn

diff --git a/bdale/blog/posts/Digital_Photo_Creation_Dates.mdwn b/bdale/blog/posts/Digital_Photo_Creation_Dates.mdwn
index 170ab0864ddad8f1cf8315af2a7ddd4cf78b9a2b..beaaf0679efd9349ebc00e5421df332c49eabe04 100644 (file)
--- a/bdale/blog/posts/Digital_Photo_Creation_Dates.mdwn
+++ b/bdale/blog/posts/Digital_Photo_Creation_Dates.mdwn
@@ -5,7 +5,7 @@ I learned something new yesterday, that probably shouldn't have shocked me
 as much as it did.  For legacy reasons, the "creation time" in the 
 [Exif](https://en.wikipedia.org/wiki/Exif) metadata attached to digital
 camera pictures is not expressed in absolute time, but rather in some
 as much as it did.  For legacy reasons, the "creation time" in the 
 [Exif](https://en.wikipedia.org/wiki/Exif) metadata attached to digital
 camera pictures is not expressed in absolute time, but rather in some

-arbitrary express of "local" time!  This caused me to spend a long evening 
+arbitrary expression of "local" time!  This caused me to spend a long evening 

 learning how to twiddle Exif data, and then how to convince
 [Piwigo](https://piwigo.org/) to use the updated metadata.  In case I or 
 someone else need to do this in the future, it seems worth taking the time
 learning how to twiddle Exif data, and then how to convince
 [Piwigo](https://piwigo.org/) to use the updated metadata.  In case I or 
 someone else need to do this in the future, it seems worth taking the time


@@ -83,6 +83,12 @@ plus 4 time zones from home to where the photos were taken.  And the remaining
 was originally set by hand, and drift of the camera's clock in the many 
 months since then.
 
 was originally set by hand, and drift of the camera's clock in the many 
 months since then.
 

+I thought briefly about hacking Piwigo to use the GPS time stamps, but quickly
+realized that wouldn't actually solve the problem, since they're in UTC and
+the pictures from our phone cameras were all using local time.  There's 
+probably a solution lurking there somewhere, but just fixing up the times in
+the photo files that were wrong seemed like an easier path forward.
+

 A Google search or two later, and I found 
 [jhead](https://www.sentex.ca/~mwandel/jhead/),
 which fortunately was already packaged for Debian.  It makes changing Exif
 A Google search or two later, and I found 
 [jhead](https://www.sentex.ca/~mwandel/jhead/),
 which fortunately was already packaged for Debian.  It makes changing Exif