[OSGeo-Standards] Standard For Photo Descriptions?

Raj Singh 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  
> metadata.
> 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.
> Landon
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