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From "Nick Burch (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-915) Image geodata being rounded to integers
Date Wed, 09 May 2012 14:25:49 GMT

    [ https://issues.apache.org/jira/browse/TIKA-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13271443#comment-13271443

Nick Burch commented on TIKA-915:

While I can see some users wanting to call out to exiftool to do the metadata parsing, many
will want a pure Java solution. I believe the Drew Noakes library is the best pure Java one
available under a suitable license, and so we'll need to stick with it.

If you have some time, would you be able to look into doing a bug report to Drew Noakes (ideally
with a unit test, and maybe even a patch!)

Also, the small image didn't come through in your patch (binary files normally won't), any
chance you could attach it to the issue?
> Image geodata being rounded to integers
> ---------------------------------------
>                 Key: TIKA-915
>                 URL: https://issues.apache.org/jira/browse/TIKA-915
>             Project: Tika
>          Issue Type: Bug
>          Components: parser
>    Affects Versions: 1.2
>            Reporter: Nick Burch
>         Attachments: problem_jpeg_geo_test.diff, testJPEG_GEO_2.jpg
> This was initially reported as an Alfresco issue, https://issues.alfresco.com/jira/browse/ALF-13004,
but is actually a Tika problem. It seems that for some images, the geo metadata is being incorrectly
rounded to an integer:
>    $ tika --metadata 2012-02-19\ 16.43.29.jpg | grep --text geo
>    geo:lat: 51.0
>    geo:long: -1.0
> The image was actually taken at (as extracted by exiftool)
>    $ exiftool 2012-02-19\ 16.43.29.jpg | grep GPS
>    ....
>    GPS Altitude                    : 295 m Above Sea Level
>    GPS Date/Time                   : 2012:02:20 16:44:22Z
>    GPS Latitude                    : 51 deg 34' 32.74" N
>    GPS Longitude                   : 1 deg 34' 4.39" W
>    GPS Position                    : 51 deg 34' 32.74" N, 1 deg 34' 4.39" W
> The sample file for this example is available at <https://issues.alfresco.com/jira/secure/attachment/29236/2012-02-19+16.43.29.jpg>.
We do have the OK to use the photo in a test suite, but it's possibly a bit big as-is so we
may need to resize it whilst preserving the exif data for a unit test.

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