QGis 를 배우자

https://docs.qgis.org/2.18/ko/docs/user_manual/
https://www.slideshare.net/slhead1/1-qgis
https://nonnyong.tistory.com/entry/QGIS-%EC%82%AC%EC%9A%A9%EB%B2%95-%EC%86%8C%EA%B0%9C-%EB%A7%A4%EB%89%B4%EC%96%BC-%ED%8F%AC%ED%95%A8-%EA%B8%B0%EB%B3%B8%EC%82%AC%EC%9A%A9%EB%B2%95-%EC%86%8C%EA%B0%9C