Yenza okungahambisani ne-ArcGIS
Ukwenza ucwaningo lwe-cadastral ngesiteshi esiphelele, ngaphandle kokuba nokunemba kwamamilimitha, nakho kungasiza kwezinye izinhloso, ngoba sinokuphakama kwephuzu ngalinye. Ake sibheke kuleli cala, ukuthi ungayikhiqiza kanjani imigqa yokunquma, esesivele sibonile ngayo I-AutoDesk Civil 3D, nge I-Bentley Geopak y GIS ezininginingi, ngakho-ke ngezinjongo zemfundo, kulokhu sizokwenza nge-ArcGIS.
1. idatha CAD
Kulokhu kuvivinya umzimba, nginamafayela ocwaningo ku-dgn, elilodwa losuku ngalunye lomsebenzi. Ukuyingenisa kulula njengoku:
- I-Arctoolbox
- Ukusebenzisana kwedatha
- Ukungenisa okusheshayo
Amafayela we-dgn ayakhethwa, ne-voila, kuwo wonke. Bona ukuthi zibukeka zinhle kangakanani, ungabona izinsuku abafana abasebenza ngazo, lapho benza umzamo futhi nini bahamba.
Ngaphezu kokuthakazelisa, ungabona lapho bathathe khona amaphuzu, kulokhu cishe kuphela ekushintsheni kwezifundo zamabhulokhi, ukuthatha izingqimba namabhodlela ngeteyipu yokulinganisa. Kuyasebenza ukusekela indlela yocwaningo ngesikhathi sokungafani ngokulinganisa kwamadokhumentari noma olunye ucwaningo. Ungabona futhi lapho ababeka khona imishini ukuze babheke emuva.
2. Faka amaphuzu ku-geodatabase
Ukuze uphathe kangcono, ngizofaka amaphuzu ku-geodatabase. Ukwenza lokhu, sicabanga ukuthi isivele idaliwe nge-ArcCatalog futhi yachaza isigaba Sesici.
- I-ArcToolbox
- Amathuluzi wokuguqula
- Ukuze geodatabase
- Faka isigaba ku-geodatabase
I-3 Dala imodeli ye-digital
Eziningana zalezi zinyathelo zinganakwa, kepha ngenhloso yokuqonda ukusetshenziswa kwe-3D Analyst, sizozibona kule oda.
- I-ArcToolbox
- Amathuluzi we-Analyst 3D
- Isimo sezwe
- Dala indawo
Ngalokhu sichazile igama le-model kuphela, sizofaka amaphuzu:
- Engeza isigaba sesici endaweni
- Yakha indawo
Manje ake sikhiqize i-TIN
- Ibhokisi le-ArcTool
- Amathuluzi we-Analyst 3D
- Ukudala kwe-TIN
- Dala i-TIN
Ungabona ukuthi ngokweqile ukuthi akukho amaphuzu anele, ukuxilongwa kwe-triangulation kuhlala kuhlwempu, kodwa lapho imigwaqo ikhona khona, ihlala ingaguquguquki.
Ngiphinde ngabona ukuthi ngenxa yobumsulwa babo, kulokhu kuphakamisa abafana benze iphutha ngokungalondolozi ilifti ngokushintsha okokusebenza. Iphutha elongekayo, ngokuhlanganiswa kwamaphoyinti aseduze kepha ukubonwa kungatholakala ngesikhathi sokwenza ukulungisa. Futhi phakamisa ukuthi ezindaweni ezimbili zokuqala ze-georeference basebenzise ukuxhumanisa kokuphakama okunikezwe yi-GPS nebanga elanele ukunciphisa iphutha lokujikeleza ngenxa yokunganembi kwe-GPS.
I-4 Yenza ama-curve ezingeni
Njalo ngaphakathi kwe-3D Analyst
- TIN Surface
- I-Contour TIN
Lapha sikhetha i-TIN esanda kudalwa, ungqimba ohlosiwe kanye nendawo phakathi kwemigqa yenkambiso (phakathi kwabanye) i-pirouettes okwangisindisa ngenxa yezizathu zesikhala).
Izinyathelo ziningi uma kuqhathaniswa ne-GIS e-Manifold, kodwa izinketho zinamandla kakhulu.
I-5 Yakha imephu yezintambo.
- TIN surface
- TIN Slope
Okuza ukusebenzisa lokhu, okungasetshenziswa ekwakhiweni kwezinhlelo zokuthuthwa kwamanzi, ngoba lokhu akuyona nje inhlolovo yocwaningo, kodwa inhlolovo yezobuchwepheshe ongayisebenzisela emaphrofayli emigwaqweni ngezinyathelo ezimbalwa nje .
Ngicabanga ukuthi kuhle kakhulu, kepha ungangitshela ngenguqulo engayenza imigqa yenkambiso.
Ngicabanga ukuthi lezi zixhumanisi zingakhonza:
http://gemini.udistrital.edu.co/comunidad/profesores/rfranco/tutorial_arcgis.htm
http://forums.arcgis.com/threads/14846-TUTORIAL-ARCGIS-10-EN-ESPA%C3%91OL
Owokuqala ukhokha, kodwa ngicabanga ukuthi indlela engcono kakhulu yokufunda ukutshala imali enhle.
Yiluphi ulwazi oluhle, nje imininingwane engiyithole kamuva i-arcgis 10 futhi ngisenenkinga ngezinto eziningi, ungangitshela indlela yokuqala ngokoqobo noma yikuphi okushoyo ukuthi bayayincoma.
Ngaphambi kokusebenza nge-arcview i-3.2 futhi uzizwa ngempela umehluko. Ngithemba ukuthi ungangisiza
Ngiyabonga kakhulu ngolwazi, kusukela ku-TIN ongenza okuningi, futhi lapha uchaza kahle ukuthi ungayenza kanjani imigqa yomjikelezo.
Hlola imemori yangaphakathi, bese ubheka ukucushwa, uma uqondisa kwimemori yangaphakathi.
Bheka futhi isikhathi sokubanjwa, uma sifushane kakhulu noma uma isimiso sisethiwe esikwenza umzamo wokuthutha ngemuva kwesikhathi sangempela.
Ngibonga angiphezi kubona eziningi usizo, ngiba Magellan GPS semephu mobile 6 v2.1 kodwa ningaqondi ukuthi kungani ngithola into engiyidingayo asanele ngoba postprocessing futhi cishe kwimemori bangaphandle ayinalutho kumele
Amakhosi angenza i-tuto ngeminye imininingwane sicela.
Ama-polyline ahlanganiswe nomyalo we-Pedit, kunketho yokujoyina okuningi. Okwenzekayo ukuthi kumele kube ngama-polylines, uma unamajika ohlobo lwe-smartline ngeke ukwazi.
Sawubona nginenkinga yokujoyina imigqa eminingana yemigqa yezintambo, omunye angangisiza, achaze ukuthi ngidinga ukujoyina ama-polygoni namanye ama-polyline angayedwa? ngiyabonga
Incazelo enhle!
Lokhu kuhle ukwazi ukuthi kunabantu abahlale benolwazi futhi benganqikazi ukusekela umakhelwane wabo. Lokhu kudala okuhle kwemigqa ye-contour ne-ArcGis.
Ungangisiza ngokukhombisa ukuthi yiziphi izinyathelo zokwenza imephu ye-slope kanye nokuma kwehlathi. Imeyili yami jalfremar_59@yahoo.es futhi nginguJoseph Alfredo Martínez, eHonduras.
ngiyabonga ngomnikelo wokungena, imininingwane yakho ingikhonze ngesikhathi esihle
UFF¡¡¡¡¡¡¡¡¡¡ ZONKE IZINSUKU BANGANGIMANGAZA KABANZI NGOSIZO OLUMENZELWE KUWEBHU, KAKHULU IGEOFUMADAS 2.0, NGIYABONGA NGOMUNTU WOKUNIKELA ...
le ncazelo kahle kakhulu ngizoyithanda kakhulu ukuthi bangifundise kusukela ekuqaleni ukuthi bangayenza kanjani imigqa yezintambo