/// <summary>
        /// export all subplots to a CSV file
        /// </summary>
        /// <returns>CSV file</returns>
        public ActionResult ExportAllGeometries()
        {
            ImportExport importExport = new ImportExport();

            //byte[] csvData = importExport.ExportAllPlots();
            return(File(Encoding.ASCII.GetBytes(importExport.ExportAllGeometries()), "text/csv", "SubplotList.csv"));
        }