[QGIS-Developer] GeoSeer ogc services data harvesting

Andreas Neumann a.neumann at carto.net
Tue Jun 9 04:51:24 PDT 2020


On 2020-06-09 13:46, Jonathan Moules wrote:

> Hi Andreas, 
> 
> Interesting. 
> 
> Behind the scenes, GeoSeer one-way hashes the GetCapabilities documents and that hash is used as the document key. Identical GetCapabilities documents therefore get the same key and thus only appear once in the final index. But one single character different in the entire document and it's a completely different hash.

Yes - they are not 100% identical. E.g. the "OnlineResource" would be
different, but all the rest would be identical. I know exceptions here
and there ... difficult topic. 

> 

Andreas
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