The friend said, take me to the geographic information system course, I really have never heard of this geographic information system course, because I really is the geographic information system are not understand, so do not want to go to school, did not think of the good friend pull I come, I will still do not want to learn, I did not think it was after seeing the feeling of the geographic information system is really good, but I really did not think of the geographic information system is very powerful, I really is on the geographic information system is absolutely ignorant of the results did not expect after studying the geographic information system is very good.