[fdo-users] Issue getting spatial extent of DGN files

Elavazhagan. M elavazhagan.mouniandy at kcubeconsulting.com
Wed Jan 5 05:34:15 EST 2011

Hello List,


When I try to get spatial extent of a DGN feature class, I get the below


"Unsupported aggregate operation.

   at OSGeo.FDO.Commands.Feature.ISelectAggregatesImp.Execute()"


This is the aggregate function I used:

ComputedIdentifier computedIdentifier =
(ComputedIdentifier)Expression.Parse("(SpatialExtents(" + geometryColumnName
+ ") as spatial_extent)");


Can somebody please let me know if this is a known issue? If not, is there a




-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.osgeo.org/pipermail/fdo-users/attachments/20110105/ca49ab4d/attachment.html

More information about the fdo-users mailing list