def read_from_database(self):
		cnx = mysql.connector.connect(user = 'root', password = 'database',
										host = '127.0.0.1',
										database = 'features_database')

		cursor = cnx.cursor()

		read_query = ("SELECT x, y FROM coord_location ")
		cursor.execute(read_query)

		self.X = np.asarray(cursor.fetchall())

		cursor.close()
		cnx.close()