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Georeference mapu dwg / dgn

utm kumpoto zone Tidzakhala tikugwiritsa ntchito zochitikazi kuti tifotokoze kukayikira kwinakwake mmene tingayankhire ku mapu a CAD.

Tidzagwiritsa ntchito chitsanzo kale anamangidwa, momwe timapangira ma fomu a UTM a chigawo cha kumpoto cha 16 kuchokera pa pepala lapamwamba ndi kumanga ndi AutoCAD.

1. Zogwirizana

Ichi ndi vuto lalikulu pamene mukugwira ntchito ndi chida chachida cha CAD. Pankhani ya AutoCAD, magulu a ntchito ndi ovuta kuthandizira anthu okha, chifukwa pamene aikidwa nthawi yoyamba ndikuphedwa, akufunsa kuti: Kodi ndinu gringo? Chabwino, sizomwezo koma ndikufunsani ngati mungagwiritse ntchito magetsi mulimita kapena masentimita.

Mfundo ndi a Chisipanishi mayiko athu unit mita, kotero kuti tikakhale zovuta dziko cholinga cha zolinga kumanga si kwambiri (mayunitsi ndi mayunitsi) ... ndi ena opanda pake pamene tsegula midadada kapena masitaelo mzere amafuna rescaling. Ndipo ngakhale kuti malemba posachedwapa AutoCAD kuthandiza ndi vutoli, owona anapanga ndi Mabaibulo yapita kukhala vuto mayunitsi kuti pamene mukufuna georeference.

Pankhani ya Microstation, izi zimakonzedwa mu "magulu ogwira ntchito” koma mwanjira yomweyo amapitilira kukhala mafayilo a cad opanda georeference. Mumalamulira bwino zomwe Microstation imazindikira ngati fayilo yambewu (fayilo yambewu), kumene machitidwe onsewa akufotokozedwa ... kuti ngakhale iwo ali okhoza kumvetsa poyamba iwo amathandizira zambiri kuposa zizindikiro za AutoCAD ku Anglo-Saxon.

Tiyeni tikumbukire kuti ngati mukugwira ntchito ndi ma UTM ogwirizanitsa, ndipo mapu ndi "georeferenced" ku imodzi mwazogwirizanitsazo, zomwe muli nazo ndi fayilo yomwe ili ndi chiwerengero cha grid, koma ilibe chiwonetsero kapena Datum, ndi chomwe chimagwiritsidwa ntchito.. Imadziwika kuti georeference kapena absolute reference.

dgn reference

Kwa ine, "kuti ndisakhale ovuta" ndi mayunitsi a AutoCAD, zomwe ndikuchita ndikutsegula mapu a dziko langa ku Microstation, zomwe ndikudziwa kuti ndi georeferenced, ndimatcha fayilo ya AutoCAD ngati yofotokozera (chifukwa sichifuna kuitanitsa kunja. ) ndikusankha batani "Zosankha za DWG" kumene ine ndikuwonetsera kuti zigawo za ntchito ziri "seed file master units", makamaka makamaka Njira Yophatikizira mulole izo zikhale zochitika zosavomerezeka padziko lonse lapansi“Dziko la Coincidence”. Ndipo wokonzeka, ziribe kanthu ngati dwg anali kugwira ntchito mu millimeters kapena mainchesi, wapamwamba amazindikira mayunitsi ntchito mapu anga DGN, ndiye kukopera mapu kutchula file wanga ndi kuchiyika icho pansi dzina lina, kuti njira Ndikudziwa kuti Mapu ali ndi zizindikiro za fayilo yanga ya mbewu.

... chabwino, ndizovuta kwanga koma zimagwira ntchito ... mukhoza kupeza zolakwika zanu 🙂

2. Perekani Kuwukula

Zotsatirazi ndi zosavuta, mukhoza kuchita zambiri zobwezedwa, ngakhale ngati muli ndi parrot kumbuyo kwanu komwe kuli koyenera $ 1,500 mukhoza kutero nayo ArcGIS :), chimodzimodzi Map3D, Microstation Zambiri, Cadcorp...

Kuti muchite izi ndi Manifold mumapanga fayilo yatsopano, kenako lowetsani fayilo ya CAD "fayilo / kulowetsa / kujambula", mumasankha fayilo ya "dgn". Zimakufunsani kusankha kwa magawo opindika, omwe mumavomereza mtengo womwe umabwera mwachisawawa.

kuitanitsa kambirimbiri

Ndiye wapamwamba kunja, ine kuchotsa mfundo ndi mizere iwiri kuti sindikudziwa chifukwa analengedwa. Chifukwa chake mumachita"kukhudza ndi kuchotsa"... mumasewera ndikuchotsa ndi "kuchotsa" 🙂

chiwonetsero cha utm

Kuti mugawane zowonera, sankhani chigawocho, batani lakumanja la mbewa ndikusankha "gawitsani projekiti"

perekani ndondomeko

Kumbukirani kuti simungasankhe "kusintha projekiti" chifukwa ndi fayilo ya cad, yomwe ilibe chiwonetsero.

Kwa ine ndidzasankha "Universal Traverso Mercator", Zone 16 Northern Hemisphere ndi WGS84 monga Datum.

UTM WGS84

3. Tumizani ku Google Earth.

Iyi ndi njira yabwino yowonera ngati mapu ali ndi georeferenced bwino, ndiye ndiwatumiza ku kml (palibe chifukwa chowagawira momwe amagwirizanirana ndi malo). Dinani kumanja pa gawo la georeferenced kale ndikusankha "kutumiza kunja", kusankha mtundu wa kml.

Kuti mupange magawo osiyanasiyana, mumangopereka gawolo (popanda kukhala ndi georeference), kenaka pangani, pikani, phala, phala, panizani, panizani, panizani, panizani ... ndiye mumagawira magawo osiyanasiyana pa chigawo chilichonse. (Chophatikiza mu Chiwonetsero chiri chofanana ndi wosanjikiza)

Kenaka mutsegula ma file kml ndi Google Earth, mumasintha makulidwe ndi mtundu wa mndandanda ... ndipo kumeneko muli ndi malo ochokera ku Mexico kupita ku Venezuela ndi ku Spain.
zigawo utm

Kuchokera apa mungathe kukopera mafayilo a zochitikazi m'maofomu.dwg,.DGN V7 ,.mapa za zochuluka ndi.KML ndi madera a kumpoto kwa dziko la America, kuphatikizapo zitatu zomwe zimagwiritsidwa ntchito ku Spain

... zonse zitengedwa kuchokera pa fayilo yosavuta yomangidwa ndi Excel.

Golgi Alvarez

Wolemba, wofufuza, katswiri wa Land Management Models. Iye watenga nawo gawo pakukonza ndi kukhazikitsa zitsanzo monga: National System of Property Administration SINAP ku Honduras, Model of Management of Joint Municipalities ku Honduras, Integrated Model of Cadastre Management - Registry ku Nicaragua, System of Administration ya Territory SAT ku Colombia. . Mkonzi wa blog ya chidziwitso cha Geofumadas kuyambira 2007 ndi mlengi wa AulaGEO Academy yomwe imaphatikizapo maphunziro oposa 100 pa GIS - CAD - BIM - Digital Twins mitu.

Nkhani

3 Comments

  1. Wokondedwa pa nkhaniyi, ndili ndi kukayikira ndi vuto kuthetsa.
    Kodi Q ndi CAD DWG file, umene uli m'chigawo cha kumpoto Ecuador, anati mapita parce kukhala m'dera 18N Wgs84 potsimikiza ndondomeko ya mfundo zina anatengedwa pa Google Earth, kumene Ankalumikiza mapu ndi m'madera 17 ndi 18 ndi kumpoto ndi kum'mwera Chigawo, pali vuto ndili ndi malo deta (polygon) ndi Chojambula mtundu ndi malo osiyanasiyana ziyerekezo Wgs84 lomwe limasonyeza ine chirichonse molondola mu mapulogalamu ntchito ziyerekezo, koma pamene katundu kwa DWG jombo izi ine kutali kukhala poona ndondomeko wakale m'dera 18 kumpoto utm ndi ngodya chapamwamba nawo ku kumpoto kwa dziko lapansi ine jombo kutali ndi ndondomeko si Mimas ndi kuyesedwa ndi zolosera osiyana koma palibe amandipatsa koma anatsindika monga kulamulira ndondomeko ine kuwunikira mapulogalamu angapo Q limasonyeza ndege ndi ntchito AutoCAD kumpoto zone 18 wgs84.
    zomwe zikhoza kukhala zomwe sindikuziganizira kapena momwe ndiyenera kuchitira zinthu pazochitikazi.
    Zikomo kwambiri kuti muyankhe.

  2. Mukunena zoona, ndakonza kale vutoli. Fufuzani ngati mungathe kuwatsatsa

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