Exemple #1
0
        public static SqlGeometry STShift(SqlGeometry g, double xShift, double yShift)
        {
            var sqlGeometryBuilder = new SqlGeometryBuilder();
            var shiftGeometrySink  = new ShiftGeometrySink(xShift, yShift, sqlGeometryBuilder);

            g.Populate(shiftGeometrySink);
            return(sqlGeometryBuilder.ConstructedGeometry);
        }
        /// <summary>
        /// Shift the input Geometry x and y co-ordinate by specified amount
        /// Make our ShiftGeometrySink into a function call by hooking it into a simple pipeline.
        /// </summary>
        /// <param name="geometry">Input Geometry</param>
        /// <param name="xShift">X value to shift</param>
        /// <param name="yShift">Y value to shift</param>
        /// <returns>Shifted Geometry</returns>
        public static SqlGeometry ShiftGeometry(SqlGeometry geometry, double xShift, double yShift)
        {
            // create a sink that will create a geometry instance
            var geometryBuilder = new SqlGeometryBuilder();

            // create a sink to do the shift and plug it in to the builder
            var geomSink = new ShiftGeometrySink(xShift, yShift, geometryBuilder);

            // plug our sink into the geometry instance and run the pipeline
            geometry.Populate(geomSink);

            // the end of our pipeline is now populated with the shifted geometry instance
            return(geometryBuilder.ConstructedGeometry);
        }