Hi Maria,

Development have confirmed that st_distance only works with points and we are 
currently working on integration of the GEOS Library plugin 
(http://trac.osgeo.org/geos/ <http://trac.osgeo.org/geos/>) into Virtuoso which 
will give distances between  other Geometry types, but is work in progress and 
will probably be part of the next Virtuoso open source release. Thus 
unfortunately we are not able to provide a solution currently ...

Best Regards
Hugh Williams
Professional Services
OpenLink Software, Inc.      //              http://www.openlinksw.com/
Weblog   -- http://www.openlinksw.com/blogs/
LinkedIn -- http://www.linkedin.com/company/openlink-software/
Twitter  -- http://twitter.com/OpenLink
Google+  -- http://plus.google.com/100570109519069333827/
Facebook -- http://www.facebook.com/OpenLinkSoftware
Universal Data Access, Integration, and Management Technology Providers



> On 25 Feb 2016, at 09:22, Maria Jackson <maria.jackson....@gmail.com> wrote:
> 
> Dear Hugh,
> 
> Thanks a lot for looking into this :)
> 
> As I have a deadline, therefore I would greatly appreciate if the
> development team could reply soon :)
> 
> On Thu, Feb 25, 2016 at 5:44 AM, Hugh Williams <hwilli...@openlinksw.com> 
> wrote:
>> Hi Maria,
>> 
>> We are checking this with development as I have found another occurrence of 
>> this error also and do believe the st_distance() function only works with 
>> points …
>> 
>> There are two other functions, haversine_deg_km() & 
>> dist_from_point_to_line_segment() documented at:
>> 
>>        
>> http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtGeoSPARQLEnhancementDocs
>> 
>> but they don’t seem to work either …
>> 
>> Best Regards
>> Hugh Williams
>> Professional Services
>> OpenLink Software, Inc.      //              http://www.openlinksw.com/
>> Weblog   -- http://www.openlinksw.com/blogs/
>> LinkedIn -- http://www.linkedin.com/company/openlink-software/
>> Twitter  -- http://twitter.com/OpenLink
>> Google+  -- http://plus.google.com/100570109519069333827/
>> Facebook -- http://www.facebook.com/OpenLinkSoftware
>> Universal Data Access, Integration, and Management Technology Providers
>> 
>> 
>> 

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