Ihe ndabere oru ngo
Iji mee ka nkwalite nkwalite njikọ nke ala ụlọ dị n'ime ụlọ, ụlọ ọrụ mkpokọta na ndị ọzọ na-arụ ọrụ ndebanye aha n'ime ime obodo. Na 2016, Yuncheng Yanhu District mezuru nyocha cadastral nke ikike iji ụlọ obibi na mkpokọta ihe owuwu ụlọ, na-etinye ntọala siri ike maka ndebanye aha nke ezigbo ụlọ. Ugbu a, anyị amalitela n'ihu ọha na n'ụzọ zuru ezu na nkwenye nke ihe onwunwe na ndebanye aha nke Rural Real Estate na Yanhu District na 3D Real Estate Modeling and Procure Project. Ihe dị n'ime ọrụ a gụnyere nyocha nke nwe ụlọ n'ime ime obodo, 1:500 scale topographic map project maping, fotogrammetry oblique, 3D modeling, na mmepe ngwanrọ nke usoro ndebanye aha na asambodo ezigbo ụlọ.
Nkọwapụta Ụlọ ọrụ
Star Space (tianjin) Technology Development Co., LTD., bụ onye na-ahụ maka ụlọ ọrụ ozi mpaghara na-ejikọta nnweta data 3D na nyocha na mmepe nke ikpo okwu 3D.
Isi azụmahịa nke ụlọ ọrụ ahụ bụ nyocha ikuku lidar ikuku, nyocha nyocha laser nke ụgbọ ala, nyocha nyocha ikuku nke ala, nyocha ikuku nke ikuku na-enweghị igwe, mmepụta ngwaahịa 4D na iwu nchekwa data, owuwu obodo dijitalụ 3D, ngwọta dijitalụ 3D na mmepụta ihe nkiri 3D, Mmepe ngwanrọ GIS, wdg. Ọrụ ya na-ekpuchi isi nyocha na eserese ngosi, atụmatụ obodo, njikwa ala, iwu obodo smart, nzaghachi mberede obodo, nlekọta mkpanaka, yana nyocha na eserese okporo ụzọ, pipeline mmanụ na ụlọ ọrụ nchekwa mmiri.
Mpaghara nyocha
Yuncheng Salt Lake District dị na ndịda ọdịda anyanwụ nke Shanxi Province, nke dị na nkwụsị nke Qin, Jin na Yu ógbè dị n'etiti etiti osimiri Yellow, na-ejikọta Xia County n'ebe ọwụwa anyanwụ, Yongji na Linyi n'ebe ọdịda anyanwụ, Zhongtiao Mountain na. Pinglu na Ruicheng na ndịda, na Jiwang Mountain na Wanrong, Jishan na Wenxi n'ebe ugwu. Ebe ahụ dị kilomita iri anọ na otu n'obosara site n'ọwụwa anyanwụ ruo ọdịda anyanwụ, kilomita 62 n'ogologo site na ugwu ruo ndịda, na mkpokọta 1237 square kilomita.
Ọrụ a gụnyere ngụkọta nke obodo 19, obodo nchịkwa 287, ihe dị ka ala 130,000, na-atụle mpaghara 100 square. N'oge oru ngo a, n'ikwekọ n'ụzọ kwekọrọ na akwụkwọ na ụkpụrụ ndị dị mkpa, ọrụ ahụ mere nyocha nyocha nke ime obodo, 1: 500 scale topographic map project map, photogrammetry oblique, nhazi akụkụ atọ, na mmepe software nke ezigbo ala na ụlọ. ndebanye aha na asambodo usoro. Ọnụ ego nkwekọrịta nke ọrụ ahụ karịrị nde yuan 40.
Nhọrọ akụrụngwa
A na-eji akụrụngwa ụgbọ elu abụọ na-arụ ọrụ a. Ejiri DJI M300 UAV nwere igwefoto Chengdu Rainpoo D2 PSDK, yana M600 nwere igwefoto DG3 PROS. Nhazi ime n'ime iji nhazi ụyọkọ kọmputa 30, kọmputa nwere 2080TI ma ọ bụ 3080 kaadị eserese, ebe nchekwa 96G, sava AT (aerotriangulation) atọ nwere diski ike steeti siri ike 10T, igwe ọnụ 256 diski ike steeti siri ike.Rainpoo bụ igwefoto maapụ ọkachamara drone. emeputa, na Rainpoo oblique igwefoto na-ọtụtụ ebe na-eji na ikuku nnyocha oru ngo.The elu-ọkwa àgwà oyiyi anakọtara na igwefoto bụ mmetụta nkwa nke 3d modeling.
Nchịkọta nke Aviation na Flight
N'ime oru ngo a, elu imewe dị 83 m, mkpebi ala (GSD) bụ 1.3cm, a na-arụkwa ọrụ ahụ dịka isi okwu / akụkụ nke 80/70% nke nha cadastral nkịtị. Ejiri ụzọ ahụ n'akụkụ ugwu-ndịda dị ka o kwere mee, ma nweta ihe karịrị nde foto mbụ 4. Oghere nke GCP dị ihe dị ka mita 150, na mpụta na akuku mpaghara nha mụbara nke ọma.
Nhazi data
Mpaghara obodo ndị dị na mpaghara nyocha bụ isi ihe dị ka square kilomita 0.3, ụfọdụ n'ime ha ruru ihe karịrị square mita 1, ọnụ ọgụgụ foto dịkwa ihe dị ka puku iri abụọ. Enwere nsogbu teknụzụ ole na ole na nhazi nke ụdị oblique, nke bụ isi ọrụ pipeline. Maapụ Cadastral na mgbanwe ụdị bụ tumadi ụzọ aghụghọ nke oke osimiri mmadụ. Ọrụ ndị dị ka monomers ihe nlereanya, nchekwa data, ngosi ozi na ọrụ ndị ọzọ na-ejikwa ngwanrọ nke ụlọ ọrụ anyị mepụtara n'onwe ya.
N'ihi nnukwu foto, ejiri M3D AT (Aerial Triangulation) mee ihe maka nhazi data. Ọrụ niile nwere otu mmalite na otu ngọngọ nke nha, nke mere na koodu ngọngọ nke nsonaazụ nke ọrụ ọ bụla bụ ihe pụrụ iche, nke dị mma maka nchekwa ihe nlereanya na ọchụchọ. E gosipụtara tebụl nchikota ngọngọ n'okpuru:
Mmechi oru ngo
Ka ọ dị ugbu a, arụghị ọrụ a kpamkpam, ma ọ bụ naanị nlele na ọnụ ọgụgụ dị mfe ka a na-eme na nsonaazụ etiti nke ihe nlereanya ahụ. Ọtụtụ n'ime nsogbu ndị a nwere ike imeri site na ịmegharị ụlọ ọrụ dị n'ime ụlọ ma na-ese foto ọzọ, ebe ole na ole kwesịrị ife efe ọzọ.
N'ozuzu, izi ezi nke ihe nlereanya ahụ dị mma, na ọnụego ngafe dị elu karịa 95%. N'ihe banyere ihe nlereanya, ụdị DG3 dị ntakịrị mma karịa ụdị D2 n'okpuru otu ọnọdụ ahụ. Nsogbu nke ụdị na-agụnye isi ihe ndị a: enyemaka ala kpatara site na nchikota ogo ma ọ bụ mkpebi anaghị emezu ihe achọrọ, ihu igwe mmiri ozuzo ma ọ bụ igwe ojii kpatara n'ihi enweghị ọkụ ma ọ bụ ọhụụ.
nseta ihuenyo nke Model
Tupu ụgbọ elu, a na-eji akụrụngwa RTK tụọ nhazi nke ọma nke isi ihe njiri mara ala (dịka ịgafe zebra, ahịrị akara, ebumnuche ụdị L na isi ihe ndị ọzọ dị mkpa) na mpaghara nha dị ka ebe nlele iji lelee izi ezi ihe nlereanya na ọkwa ikpeazụ. . A na-eji usoro nhazi CS2000 maka ebe nlele na ịdị elu dabara adaba maka elu. Ihe na-esonụ bụ ọnọdụ nke nleta ihe njiri mara anyị. N'ihi ohere dị oke, anyị na-ahọrọ naanị ole na ole n'ime ha igosi.
Okwu Mmalite nke Ngwa nke Nsonaazụ
A na-ejikarị ya adọta map cadastral nke ezigbo ụlọ, nyere aka nyocha ubi, iwu nchekwa data, wdg (Oru ngo a ka dị na mmalite, ma enwere data ole na ole etinyere).
Ụdị oblique bụ usoro njedebe n'ihu nke nha ụlọ, nke na-emetụta usoro nhazi ọrụ ozugbo. Igwefoto mmiri ozuzo anyị họọrọ na-enye ọrụ anyị nkwado siri ike. Anyị na-eji ngwaọrụ abụọ emetụta ọrụ nke ihe karịrị nde yuan 40. Nke mbụ, arụmọrụ arụ ọrụ dị elu na nkwụsi ike siri ike. The M300 na-onwem na D2 igwefoto, nke nwere ike na-aghọta na otu ọrụ, na ọrụ usoro bụ isi enweghị nsogbu. Mgbe ahụ, data dị mma, ihe dị ka 30% foto na-adịghị mma nwere ike wepụ, melite arụmọrụ nke ọrụ ụlọ ọrụ, AT (aerial triangulation) ọnụego ngafe dị elu, isi ihe niile nwere ike ịgafe otu ugboro, n'ikpeazụ, àgwà nke ihe nlereanya ahụ dị elu. , Ma ihe nlereanya ziri ezi na àgwà nke ihe nlereanya ahụ nwere arụmọrụ dị mma.