Kenya likhokahanyo ho tloha Excel ho ea QGIS ebe o etsa li-Polygone
E 'ngoe ea litloaelo tse tloaelehileng ts'ebelisong ea Geographic Information Systems ke kaho ea likarolo tsa sebaka ho tsoa boitsebisong bo tsoang lebaleng. Hore na sena se emela likhokahano, liphahlo tsa sephutheloana, kapa gridi ea bophahamo, tlhaiso-leseling hangata e tla ka lifaele tse arohaneng ka comma kapa li-spreadsheet tsa Excel.
1. Sebaka se hokahanya faele ho Excel.
Tabeng ena, ke leka ho kenya bolulo ba batho ba Rephabliki ea Cuba, eo ke e bolokileng ho eona diva-GIS, eo ka tsela e 'ngoe ea libaka tse ntlehali tsa ho jarolla tlhaiso-leseling ea naha ho tsoa naheng efe kapa efe. Joalokaha u bona, likholomo tsa B le C li na le tlhaiso-leseling mabapi le latitude le longitude ka mokhoa oa litšebelisano tsa naha.
2. Kenya lifaele ka har'a QGIS
Ho kenya litsamaiso tsa file ea Excel, e etsoa:
Vector> Lisebelisoa tsa XY> Faele ea OpenExcele e le tafole ea moelelo kapa lera la Point
Haeba faele e bolokiloe ka katoloso ea .xlsx, sebatli se ke ke sa e bontša, hobane e sefa feela lifaele tse nang le katoloso ea .xls. Ha se bothata, re ka sebelisa mekhoa ea khale ea DOS mme ra ngola lebitsong la phetoho, sefahleho: *. * (asterisk dot asterisk) mme re kena; sena se tla lumella lifaele tsohle tse sebakeng seo ho bonoa. Re ka be re ngotse feela * .xls mme e ka be e tlhotliloeng feela lifaele ka katoloso ea .xls.
Joale ho na le karolo e hlahang moo re lokelang ho bontša hore na ke khoeli efe e lekanang le khokahano ea X, tabeng ena re khetha lengolo la bochabela, sebaka sa latitude bakeng sa ho tsamaisana le Y.
'Me ke moo re nang le eona. Potso e bonts'a hore lera le bolokiloe ka data e fumanehang faeleng ea bolulo ba batho ba Cuba, e kenyeletsang lebitso, latitude, longitude, classification le profinse ea tsamaiso.
Etsa li-polygone ho tsoa likhokahanong
Haeba ho joalo, ha re batle ho kenya lintlha feela empa re boetse re etsa polygon ka tatellano ea likopano tseo, re ka sebelisa plugin Points2One. Phallo ena eu lumella ho tseba hore na sebaka sa sebaka seo u eang ho sona se tla bitsoa joang, haeba seo re tla se kenya kantle se tla hahuoa joalo ka mela kapa polygonal.
4. Mokhoa oa ho kenya likhokahanyo ho tsoa Excel ho ea mananeong a mang a CAD / GIS.
Joalokaha u ka hopola, re entse ts'ebetso ena ka mananeo a mang a mangata. E bonolo joaloka QGIS, e fokolang. Empa mona ke mokhoa oa ho e etsa le AutoCAD, Microstation, ngata GIS, AutoCAD Civil 3D, Google Earth.