Seunghye BaekMar 3, 20201 min readQGIS 5) calculate stream areaTwo maps show stream area of Korea. 1) http://water.nier.go.kr/front/riverNetwork/riverNetwork.jsp - 2) https://egis.me.go.kr/bbs/boardV...
Seunghye BaekFeb 26, 20201 min readQGIS 4) calculate specific land use area1. Find land id number that I need-> http://egis.me.go.kr/map/map.do;jsessionid=PJHAoqMkgHPZrbe+gHnfMd69.node10?type=land +여기서 각 하천으로...
Seunghye BaekFeb 24, 20201 min readQGIS 3) calculate line lengthwhat I did: I calculated each line length of 5 Pohang parts. 1. click specific stream line -> click layer -> save as line1 -> repeat...
Seunghye BaekFeb 24, 20201 min readQGIS 2) invalid output error유역분리하려고 보니 invalid output이라고 부분만 분리가 됨. 1. check invalid layers( vector -> topology checker) I can see invalid output as a result. 2....
Seunghye BaekFeb 23, 20201 min readQGIS 1) watershed delineation1. Download dem file here http://www.nsdi.go.kr/lxportal/?menuno=2679 1-1. search DEM file in Open Market page and download. 1-2. search...