[OSGeo-Standards] Standard For Photo Descriptions?
rsingh at opengeospatial.org
Wed Feb 4 13:55:32 EST 2009
Some of what you want is in the EXIF spec:
Could you use their UserComment field for the rest? Obviously not
optimal, but it would build on a standard, and people and software are
already conditioned to look for photo metadata in the EXIF data.
On Feb 4, at 1:39 PM, Landon Blake wrote:
> As part of my “experimental” work with the Open Street Map project I
> have been taking digital photos of features that I map. This
> includes things like street signs, land marks, (and of course)
> streets. I’ve been working this week on a way to describe these
> photos for future use. Think of the photo descriptions as a type of
> What I really want is to have photo descriptions that could be used
> in combination with a digital photo of a feature by a user to
> attribute a feature visible in the photo. Ideally the photo and the
> photo description would allow attribution by a user that hadn’t done
> the mapping personally.
> I’m wondering if there is an existing standard for digital photo
> descriptions, especially photos of geospatial features taken during
> field work.
> I tinkered with an XML file format for this very purpose. I’ve
> attached a zip file with two samples of the format. If there isn’t
> an existing standard for geospatial photo descriptions, I wonder if
> other OSGeo members would be interested in working on one. I don’t
> envision anything grandiose like the standards put forth by the OGC.
> I’m thinking of something much simpler, and practical. I’m really
> looking for a file format that would allow us to share structured
> digital photo descriptions among open source GIS applications.
> My initial xml file contains the following sections:
> - Date and Time
> - Job/Project Identification
> - Photographer Info
> - Camera Info
> - Photo Direction
> - Photo Location
> - Photo Description
> - Visible Features List
> - Photo Limits List
> Please let me know what you think. I copied the java-collaboration
> mailing list on this message. If there is interest in this type of
> standard, I would be willing to do some initial work on a Java API
> to read/write the file format.
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