Bude fayil na GML tare da QGIS da Microstation

Fayil ɗin na GML yana daya daga cikin hanyoyin da masu ci gaba da masu amfani da GIS suka fi son su, tun da baya banda kasancewar tsari da ke tallafawa da daidaitawa ta OGC, yana aiki sosai don canja wuri da musayar bayanai a aikace-aikacen yanar gizo.

GML aikace-aikace ne na yaren XML don dalilan geospatial, takaddar ma'anarta tana nufin Harshen Alamar Yanayi. Tare da wannan yana yiwuwa a aika cikin fayil ɗin rubutu, fayil ɗin vector har ma da hotuna ta amfani da GMLJP2. Hankalinta ya dogara ne da ma'anar tsarin kumburi (abin da aka wakilta a can) da bayanan da kanta, don haka shirin GIS lokacin karanta fayil na GML da farko ya fassara bayanan halayensa sannan ya nuna bayanan yanayin ƙasa. dauke a can.

Misalin hoton da ya gabata ya kasance daidai da yarjejeniyar gyare-gyare na cadastral, wanda ya haɗa da dukiya a yanayin farko, kuma kamar abubuwa guda biyu idan an rushe shi, tare da mai shi alphanumeric bayanai.

Yadda zaka karanta fayil na GML ta amfani da QGIS.

Wannan abu ne mai sauƙi kamar yadda software na kyauta kawai zai iya yi:

• Layer> ƙara Layer> ƙara fitilar vector> bincika

A nan an zaɓi GML zaɓi, kuma wancan ne shi.

Don adana Layer a QGIS a matsayin fayil na GLM, kawai danna-dama a kan Layer, ajiye kamar kuma zaɓi zaɓi na GML.

A nan ya zama dole don ayyana wasu shawarwari, alal misali:

• Tsarin tsari ne, wanda zai iya kasancewa wanda ya rigaya an tsara Layer.
• Lambar halayen, Latin 1 yana da kyau domin ba tare da matsaloli ba tare da haruffa da haruffa a cikin ɗan littafin Hispanic.
• Tsarin yana da mahimmanci, ta amfani da GML 3 zai kasance mafi ƙari idan muna son karantawa ta wasu shirye-shirye ko yada ta Geoserver.
• Hakanan, dole ne a kafa shi idan muna son a haɗa makircin a cikin fayil ɗaya ko dabam. Idan ana karanta shi tare da Taswirar Bentley, ana buƙatar wannan ya zama daban, kamar yadda aka bayyana a gaba.

Yadda za a karanta wani fayil na GML tare da Microstation V8i

Wannan aikin kawai za a iya yi tare da aikace-aikacen Microstation GIS, kamar Bentley Map, PowerView, Bentley Cadastre, ko kuma irin wannan.

A halin da nake ciki, idan na yi amfani da Bentley Map, an yi kamar haka:

• Fayil> Shigowa> Nau'in Bayanai na GIS…

Kamar yadda ka gani, a nan ma za ka iya kiran sararin samaniya a matsayin dandalin yanar gizo na Feature Service WFS, Ƙararren Ƙira, SQL Server.

Shafukan SHP ba su da mahimmanci yayin da suke buɗewa a ƙasa.

A cikin saukan fayilolin GML, da Ƙara GML File ...

A cikin kwamitin da ya bayyana, zai zama dole a zaɓi idan fayil ɗin makircin ya kasance daban. Fayil ɗin Bentley schema an san shi da XSD.

Kuma idan wannan ya faru, danna-dama a kan Import1 na sake yin amfani da shi, sannan zaɓi Tsarin kawai don nuna shi ko Ana shigo da shi zuwa taswirar.

Yayin da kake nema abu tare da maɓallin "Tattaunawa", alama a matsayin tabarau, da kuma taɓa abin da ke ciki, ana ɗaga bayanai na tabbacin a matsayin akwatin da lambar xml, kamar yadda aka nuna a cikin hoton da ya biyo baya.

Don aikawa ga GML ana biye da wannan hanya:

• Fayil> Fitarwa> GIS Bayanin Bayanai…

A cikin duka siffofin, duka biyu QGIS kuma tare da Bentley Map, zaka iya gyara wani vector GML fayil, kazalika da alphanumeric data.