private Boolean inGeometryFilter(FeatureDataRow feature)
{
if (_viewDefinition == null || _viewDefinition.SpatialPredicate == null)
{
return(true);
}
SpatialBinaryExpression spatialQueryExpression = _viewDefinition.SpatialPredicate;
SpatialOperation op = spatialQueryExpression.Op;
GeometryExpression geometryExpression
= spatialQueryExpression.SpatialExpression as GeometryExpression;
ExtentsExpression extentsExpression
= spatialQueryExpression.SpatialExpression as ExtentsExpression;
if (!SpatialExpression.IsNullOrEmpty(geometryExpression))
{
return(SpatialBinaryExpression.IsMatch(op,
spatialQueryExpression.IsSpatialExpressionLeft,
geometryExpression.Geometry,
feature.Geometry));
}
if (!SpatialExpression.IsNullOrEmpty(extentsExpression))
{
return(SpatialBinaryExpression.IsMatch(op,
spatialQueryExpression.IsSpatialExpressionLeft,
extentsExpression.Extents,
feature.Extents));
}
return(true);
}
private Boolean isGeometryAtIndexAMatch(Int32 index, SpatialOperation op, Boolean isLeft, IGeometry filterGeometry)
{
IGeometry current = _geometries[index];
return(SpatialBinaryExpression.IsMatch(op, isLeft, filterGeometry, current));
}
