コード例 #1
0
ファイル: Geometry.cs プロジェクト: Giszpenc/ProjNet
        /// <summary>
        /// Returns a geometry that represents the point set symmetric difference of this Geometry with anotherGeometry.
        /// </summary>
        public virtual Geometry SymDifference(Geometry geom)
        {
            UpdateSqlGeometry();
            SqlGeometry difference = SqlGeometry.STSymDifference(geom.SqlGeometry);
            Geometry    retval     = difference.AsSCEGeometryExtention();

            return(retval);
        }
コード例 #2
0
ファイル: Geometry.cs プロジェクト: Giszpenc/ProjNet
        /// <summary>
        /// Returns a geometry that represents the point set union of this Geometry with anotherGeometry.
        /// </summary>
        public virtual Geometry Union(Geometry geom)
        {
            UpdateSqlGeometry();
            SqlGeometry calcResult = SqlGeometry.STUnion(geom.SqlGeometry);
            Geometry    retval     = calcResult.AsSCEGeometryExtention();

            return(retval);
        }
コード例 #3
0
ファイル: Geometry.cs プロジェクト: Giszpenc/ProjNet
        /// <summary>
        /// Returns a geometry that represents the point set intersection of this Geometry
        /// with anotherGeometry.
        /// </summary>
        public virtual Geometry Intersection(Geometry geom)
        {
            UpdateSqlGeometry();
            SqlGeometry result = SqlGeometry.STIntersection(geom.SqlGeometry);
            Geometry    retval = result.AsSCEGeometryExtention();

            return(retval);
        }
コード例 #4
0
ファイル: Geometry.cs プロジェクト: Giszpenc/ProjNet
        /// <summary>
        /// Geometry—Returns a geometry that represents the convex hull of this Geometry.
        /// </summary>
        public virtual Geometry ConvexHull()
        {
            UpdateSqlGeometry();
            SqlGeometry convexHull = SqlGeometry.STConvexHull();
            Geometry    retval     = convexHull.AsSCEGeometryExtention();

            return(retval);
        }
コード例 #5
0
ファイル: Geometry.cs プロジェクト: Giszpenc/ProjNet
        /// <summary>
        /// Returns a geometry that represents all points whose distance from this Geometry
        /// is less than or equal to distance. Calculations are in the Spatial Reference
        /// System of this Geometry.
        /// </summary>
        /// <param name="d">Buffer distance</param>
        public virtual Geometry Buffer(double d)
        {
            UpdateSqlGeometry();
            SqlGeometry calcResult = SqlGeometry.STBuffer(d);
            Geometry    retval     = calcResult.AsSCEGeometryExtention();

            return(retval);
        }
コード例 #6
0
ファイル: Geometry.cs プロジェクト: Giszpenc/ProjNet
        /// <summary>
        /// Returns the closure of the combinatorial boundary of this <see cref="Geometry"/>. The
        /// combinatorial boundary is defined as described in section 3.12.3.2 of [1]. Because the result of this function
        /// is a closure, and hence topologically closed, the resulting boundary can be represented using
        /// representational geometry primitives
        /// </summary>
        public virtual Geometry Boundary()
        {
            UpdateSqlGeometry();
            SqlGeometry boundary = SqlGeometry.STBoundary();
            Geometry    retval   = boundary.AsSCEGeometryExtention();

            return(retval);
        }