public void CalcCurvatureFromLonLat(string curvatureCount)
        {
            List <GPoint> XY = CurveViewCache.LonLat2XY(ExtractCoordinates());
            int           expectedCurvatureCount = Util.StringUtil.IsDigitsOnly(curvatureCount) ? int.Parse(curvatureCount) : XY.Count;

            InsertCurvature(XY, expectedCurvatureCount);
        }
        public void ConvertLonLat2XY()
        {
            List <GPoint> XY = CurveViewCache.LonLat2XY(ExtractCoordinates());

            InsertXY(XY, "X", "Y");
        }