[fdo-users] Spatial Filter Help Needed

surrounded Rob.Sosnowski at itd.idaho.gov
Thu Oct 2 12:38:15 EDT 2008

I'm trying to intersect a circle (created from input coordinates) with a
shapefile.  I've created the circle geometry and am now trying to set up the
filter.  In the code below, the statement


throws the follwing exception:
"The property 'Shape' is not in the readers selected property set"



OSGeo.FDO.Expression.GeometryValue pGVal = new GeometryValue(pByteCircle);
OSGeo.FDO.Expression.ComputedIdentifier pPropName = new
ComputedIdentifier("Shape", new Identifier("Geometry"));

IdentifierCollection pIDColl = sel.PropertyNames;

OSGeo.FDO.Filter.Filter pPtLineFilter = new
OSGeo.FDO.Filter.SpatialOperations.SpatialOperations_Intersect, pGVal); }

OSGeo.FDO.Commands.Feature.IFeatureReader reader = sel.Execute();
while (reader.ReadNext())
     ......some code....

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