protected SpatialAnalysisExpression(GeometryExpression expressionLeft, SpatialAnalysisOperation operation,
Expression expressionRight)
{
_leftExpression = expressionLeft;
_rightExpression = expressionRight;
_operation = operation;
}
public override Boolean Equals(SpatialExpression other)
{
GeometryExpression geometryExpression = other as GeometryExpression;
return(geometryExpression != null && Equals(_geometry, geometryExpression._geometry));
}
private FeatureQueryExpression transformQuery(FeatureQueryExpression query)
{
SpatialBinaryExpression spatial = query.SpatialPredicate;
ICoordinateSystem querySpatialReference = spatial.SpatialExpression.SpatialReference;
if (querySpatialReference.EqualParams(OriginalSpatialReference))
{
return query;
}
//if (querySpatialReference != OriginalSpatialReference)
//{
// throw new InvalidOperationException("The query's spatial reference doesn't match the provider's.");
//}
GeometryExpression geoExpression = spatial.SpatialExpression as GeometryExpression;
if (geoExpression != null)
{
IGeometry transformed = CoordinateTransformation.InverseTransform(geoExpression.Geometry,
GeometryFactory);
geoExpression = new GeometryExpression(transformed);
spatial = spatial.IsSpatialExpressionLeft
? new SpatialBinaryExpression(geoExpression, spatial.Op, spatial.Expression)
: new SpatialBinaryExpression(spatial.Expression, spatial.Op, geoExpression);
}
else
{
IExtents transformed = CoordinateTransformation.InverseTransform(spatial.SpatialExpression.Extents,
GeometryFactory);
ExtentsExpression extentsExpression = new ExtentsExpression(transformed);
spatial = spatial.IsSpatialExpressionLeft
? new SpatialBinaryExpression(extentsExpression, spatial.Op, spatial.Expression)
: new SpatialBinaryExpression(spatial.Expression, spatial.Op, extentsExpression);
}
query = new FeatureQueryExpression(query, spatial);
return query;
}
