Lembani Excel ikugwirizanitsa ku QGIS ndikupanga Polygons

Chimodzi mwa zizoloŵezi zomwe zimagwiritsidwa ntchito pogwiritsa ntchito Geographic Information Systems ndikumanganso malo a malo kuchokera kumidzi yochokera kumunda. Kaya izi zikuimira maofesi, mapepala a ziwonetsero kapena mapepala apamwamba, zambiri nthawi zambiri zimapezeka m'mafayi omwe amasiyanitsidwa ndi comma kapena Excel spreadsheets.

1. Chigawocho chimayang'anira fayilo ku Excel.

Pankhaniyi, ndikuyesera kuti ndilowetse anthu okhala Republic of Cuba, omwe ndawasungira diva-GIS, yomwe ili njira ndi imodzi mwa malo abwino kwambiri owonetsera deta ya dziko lililonse. Monga mukuonera, ndondomeko B ndi C zili ndi zokhudzana ndi chigawo ndi longitude zochitika za m'madera.

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2. Lowani fayilo ku QGIS

Kuti mulowetse makonzedwe a fayilo ya Excel, yachitidwa:

Vector> XY zipangizo> Fayilo Yoyang'ana pa Otsewera monga tebulo lalingaliro kapena gawo losanjikiza

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Ngati fayilo itasungidwa ndi extension .xlsx, osatsegulayo sangawonetsedwe, chifukwa iyo imasankha mafayilo omwe ali ndi extension .xls. Ayi ndi vuto, tingagwiritse ntchito njira zakale za DOS ndikulemba mu kusintha dzina, fyuluta: *. * (asterisk asterisk) ndipo timalowa; izi zidzalola mafayilo onse omwe ali pamalo amenewo kuti awoneke. Tikhoza kulemba * .xls ndikusankhidwa mafayilo a .xls.

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Kenaka gulu likuwonekera momwe tiyenera kuwonetsera kuti ndi chiani chomwe chili chofanana ndi X coordinate, pakutero timasankha maulendo a longitude, latitude ya latitude ya Y yolumikiza.

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Ndipo apo ife tiri nazo izo. Funsoli likuwonetsa kuti wosanjikiza ndi deta yomwe ili ndi fayilo ya anthu okhala ku Cuba, yomwe ili ndi dzina, latitude, longitude, classification ndi boma province, yasungidwa.

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3. Pangani ma polygoni kuchokera ku makonzedwe

Ngati tikufuna, sitifuna kungotumiza zowonongeka koma timapangitsanso polygon mu dongosolo la makonzedwe amenewa, tigwiritse ntchito pulojekiti Points2One. Pulogalamuyi imatilola kuzindikira zomwe malo opita kukadutsa adzatchedwa, ngati zomwe timayitanitsa zidzapangidwa ngati mizere kapena polygon.

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4. Momwe mungagwiritsire ntchito maofesi a Excel ku mapulogalamu ena a CAD / GIS.

Monga mukukumbukira, tachita izi ndi mapulogalamu ena ambiri. Zophweka ngati QGIS, ndizochepa. Koma apa ndi momwe mungachitire izo AutoCAD, Microstation, zobwezedwa GIS, AutoCAD Civil 3D, Google Lapansi.

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