GPS / Boatstopografia

Matakai don samar da taswira ta amfani da jiragen

Tsarin taswirar ta amfani da wannan ƙwarewar zai iya zama babban matsala, ɗayan waɗannan matsaloli yana da mahimmanci tare da sakamakon hasara watanni masu mahimmanci na aiki mai amfani idan ba ku da kwarewa ta baya a wannan aiki.

Masu kirkirar Mapping System suna magana da mu a cikin labarin POB OnlineWannan masu binciken da yawa suna mai da hankali kan wannan aikin, da farko, tattaunawa game da nau'in jirgi mara matuki da zasu samo sannan kuma su mai da hankali kan muhawara game da halayen samfurin ƙarshe da suke son samu, wanda ya haifar da ƙarancin lokacin da muka tattauna.

Idan aka fuskanci halin da ake ciki, abin da zai yiwu, wanda zai haifar da kyakkyawan haɓaka da riba, ya fara da sakamakon da za a samu, yana gano jerin ayyukan da za a gudanar don aiwatar da software na yau da kullum wanda zai ba da sakamakon.

Don haka, za mu iya kafa matakai 3 don aiwatar da aikin, wato, na farko don tabbatar da cewa bayanan da aka tattara a cikin filin abin dogaro ne kuma daidai; to, aiwatar da wannan bayanan don samun kwalliyar kwalliya da samfurin haɓaka dijital (DEM); zuwa ƙarshe, ta amfani da samfurin da aka kirkira, samar da fili a cikin AutoCAD (ko makamancin haka) da kuma 'aikin layi' da binciken ƙarshe. Bari mu binciki matakan da aka bayyana dalla-dalla:

Tattara cikakkun bayanai a filin

Domin teams da za su gudanar dace bayanai taro ne da ake bukata da aiki yi a baya aka horar a ayyuka mafi kyau kafa biyu ƙasa iko, kamar ciwon wani autopilot software kaga don ƙirƙirar topographic Taswirar.

Game da batun daidaitawar sarrafa ƙasa, irin ƙa'idodin da aka yi amfani da su don ɗaukar hoto na al'ada dole ne a yi la'akari da su. Warewa yana nuna cewa an kafa manufofin kuma an bincika su ta hanyar yin nazarin ƙasa da kewayenta, abin da ya fi dacewa shi ne kafa manufofi biyar a kowane yanki na ƙaura, 4 a cikin kusurwa ɗaya kuma ɗaya a tsakiya, yana iya haɗawa da ƙarin manufofin bisa ga halayen yankin. (maɗaukaka ko ƙananan maki).

Sa'an nan kuma, autopilot da aka kafa, shan la'akari da dan kadan fi kowane iko a garesu da kuma kama biyu Lines na photos fiye da kowane zanga-zanga ta yin amfani da wata dabara kama da cewa na Google Earth da damar yin burbushi ƙasar yankin zana dubawa saita girman jirgin.

Samun rubutun da kuma DEM

Mataki na biyu shine aiwatar da hotunan da jirgi mara matuki ya ɗauka don samar da hoto da DEM. Don wannan aikin, zaku iya zaɓar tsakanin mafita da yawa akan kasuwa, la'akari da cewa tsarin yana bin ma'ana daidai da tsarin hoto na al'ada. Ta wannan muna nufin cewa hotunan an lulluɓe su bisa laákari da abubuwan da aka raba ta hotuna masu ruɓewa.

Ya kamata mu lura da cewa drones amfani da karami kyamarori da kuma uncalibrated idan aka kwatanta da wadanda amfani da photogrammetry. Saboda haka dole ne su dauki kuri'a na hotuna a cimma high rufi. Wannan ya nuna, domin kowane batu a ƙasa, wani adadin jere tsakanin 9 da 16 hotuna, wanda ta kama fitarwa dabara amfani da zabi shirin "berths 'a iya gano raba hotuna.

Ƙari daga ɗakin ɗagawa da aiki a kan layi

A wannan matakin ƙarshe ne yawancin kamfanoni masu ba da shawara a cikin nazarin yanayin ƙasa suna da matsaloli mafi girma saboda yawancin shirye-shiryen samfurin 3D (kamar Civil 3D) ba a tsara su don aiki tare da manyan samfuran samaniya da aka samar ba. shirye-shiryen drone. Wannan shine dalilin da ya sa mafita bayan aiki ya fito daidai a matsayin waɗanda suka dace da wannan aikin.

Ta hanyar waɗannan, mai binciken yana zaɓar abubuwan da ke aiki ta danna kan abubuwan da ake so a cikin hoto. Kowane ɗayan waɗannan suna rajista ta hanyar shirin a matsayin ɓangare na haɗin kai.

Kowane ma'ana ana sanya shi a cikin yadudduka wanda yayi daidai da taron da Civil 3D (ko duk abin da yake amfani da shi) ya kafa ta yadda idan aka buɗe fayil ɗin a cikin shirin aka faɗi abubuwan maki suna da tsari irin na waɗanda ke zuwa daga tashar GPS ta yau da kullun ko jimlar tasha.

ƘARUWA

 Bayan wannan hanya za a iya cimma ban mamaki tanadi na lokaci da kuma kudi a kan topographic Taswirar ayyukan, kiyasta a 80% tanadi a kan lokaci. Muna iya duba wannan hanyar kwatanta kama batu ta al'ada binciken da aka gudanar da wani gwani a 60 maki awa da 60 maki dauka a daya na biyu da software post-aiki.

A karshe, ko da yaushe ka tuna cewa maɓallin hanyar samun nasara da kuma tanadi a lokacin aiki yana cikin gano ainihin aikin da ya dace wanda zai samar da sakamakon da aka so a hanyar da ta dace.

Golgi Alvarez

Marubuci, mai bincike, kwararre a cikin Samfuran Gudanar da Ƙasa. Ya halarci Conceptualization da aiwatar da model kamar: National System of Property Administration SINAP a Honduras, Model na Management of hadin gwiwa Municipalities a Honduras, Integrated Model na Cadastre Management - Registry a Nicaragua, System of Administration na Territory SAT a Colombia. . Editan shafin ilimin Geofumadas tun daga 2007 kuma mahaliccin Kwalejin AulaGEO wanda ya haɗa da darussa sama da 100 akan GIS - CAD - BIM - batutuwan Twins na Dijital.

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