[OpenLayers-Users] GML layer choice for putting photos on a map, clustering?

[Christopher Schmidt]

On Wed, May 13, 2009 at 06:26:41PM -0400, Greg Troxel wrote:
> 
> (Sorry if this is OT.)
> 
> I have a basic openlayers 2.8rc2 install on my server, with
> OSM/{mapnik,tah} and OAM.  I have a bunch of geotagged photographs, and
> would like to render them on the map.  My needs are pretty simple -
> basically I want:
> 
>   when there aren't too many photos, a small thumbnail
> 
>   click on thumbnail pops up a bigger one, maybe with some text
> 
>   when there are too many, some sort of clustering icon instead
> 
> I think I want to user the cluster strategy in the examples as
> strategy-cluster*, and either georss from flickr example, GML, or KML.
> But, it would be a slightly plus, but not much, if I published the
> photos as WFS.  I would also like to minimize work.
> 
> What GML language do people recommend?  I have a slight bias towards a
> truly open specification, so that makes me lean towards atom/georss.

I always use GeoJSON. Easy, fast, openly specified, supported by a
number of web-centric tools, and fits well with the Javascript model.

-- Chris

> Are there tools I should use, given a directory of images with exif gps
> data, and perhaps caption files?  I found
> 
>   http://code.google.com/apis/kml/articles/geotagsimple.html
>   http://www.geowebguru.com/articles/108-technical-overview-georss
> 
> and it seems like a simple perl script to write georss from a directory.
> 
>     Thanks,
>     Greg



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-- 
Christopher Schmidt
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