public void readFromFile(File file) throws FileNotFoundException, IOException{
		
			BufferedReader reader = new BufferedReader(new FileReader(file));
			String line;
			while((line = reader.readLine())!=null){
				String[] latlon = line.split(";");
				this.points.add(new Position(new Double(latlon[0]), new Double(latlon[1])));
			}
			reader.close();
	}