SpatialEdmFunctions.PointOnSurface(DbExpression) Method

Definition

Creates a DbFunctionExpression that invokes the canonical 'PointOnSurface' function with the specified argument, which must have an Edm.Geometry result type. The result type of the expression is Edm.Geometry.

C#
public static System.Data.Common.CommandTrees.DbFunctionExpression PointOnSurface(this System.Data.Common.CommandTrees.DbExpression geometryValue);

Parameters

geometryValue
DbExpression

An expression that specifies the geometry surface value from which the point should be retrieved.

Returns

A new DbFunctionExpression that returns either a point guaranteed to be on the surface geometryValue or null if geometryValue is not a surface.

Exceptions

geometryValue

geometryValue

Applies to

Product Versions
.NET Framework 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1