Geospatial - GISInnovations

LandViewer - Shanduko yekuona ikozvino inoshanda mubrowser

Kunyanya kukosha kwemashoko ekukurumidza kutarisa kwave kuri kuenzaniswa kwezvifananidzo kubva kune imwe nzvimbo, kutorwa panguva dzakasiyana kuti uzive kuchinja kwakaitika pano. Nokuwanda kwezvifananidzo zvepa satellite zvino zviri kushandiswa pachena, pane nguva yakareba kwenguva refu, kuonekwa kwekutsvaga kwekuchinja kunotora nguva yakareba uye inogona kunge isina kunyatsojeka. EOS Data Analytics yakasika iyo automated tool of kuonekwa kwekuchinja mune zvigadzirwa zvayo, LandViewer, iyo iri pakati pepamusoro-soro gore rematsotsi ekutsvakurudza uye kuongororwa kwemifananidzo yakatenderera mumatengesi iye zvino.

Kusiyana nemaitiro anosanganisira mitambo yeurusiki iyo tsanangura kuchinja mune zvakasimbiswa kare, unoshanduka kuchinja shanduro yakagadzirwa ne EOS uSA pixel-based strategy, izvo zvinoreva kuti kuchinja pakati pezvikwata zviviri zvema-mulband raster kunoverengerwa masvomhu kuburikidza nekubvisa pikiselisi maonero ezuva rimwe nemaonero epixel emiganhu imwechete yeimwe zuva. Ichi chitsva chechigadziro chinogadzirirwa kugadzirisa basa rekuona kuchinja uye kununura mhinduro yakarurama nematanho mashomanene uye muchidimbu chenguva inodiwa ichienzaniswa neArgGIS, QGIS kana imwe yeGIS software yekugadzira mifananidzo.

The change detection interface. Mifananidzo yegungwa reguta reBeirut rakasarudzwa kuti rione zvinoitika mumakore achangopfuura.

Kuziva kuchinja kweguta reBeirut

Unlimited uwandu hwekushandisa: kubva kune zvekurima kusvika kune zvakatipoteredza.

Chimwe chezvinangwa zvekutanga zvakagadzwa nechikwata cheEOS chaive chekuita shanduko yakaoma yekutsvaga dhata yekuona iri kure kuwana uye nyore kune vashandisi vasina ruzivo kubva kune asiri maGIS maindasitiri. Nechishandiso chekuona shanduko yeLandViewer, varimi vanogona kukurumidza kuona nzvimbo dzakakuvara kuminda yavo kubva kuchimvuramabwe, dutu, kana mafashama. Mukutonga kwemasango, kuonekwa kwekuchinja Mumufananidzo wesateraiti, zvinobatsira pakufungidzira nzvimbo dzakatsva mushure mekutsva kwesango uye nekuona kutemerwa zvisiri pamutemo kana kupinda munzvimbo dzesango. Kucherekedza mwero uye kukura kwekushanduka kwemamiriro ekunze (sekunyungudika kwechando chePolar, kusvibiswa kwemweya uye mvura, kurasikirwa nenzvimbo yekugara nekuda kwekuwanda kwemadhorobha) ibasa rinoitwa nemasayendisiti ezvemamiriro ekunze nguva dzese, uye ikozvino vanogona. mune imwe maminetsi. Nekudzidza mutsauko uripo pakati pekare neazvino uchishandisa makore esataneti dhata neLandViewer's shanduko yekuona shanduko, ese maindasitiri aya anogona kufungidzira shanduko mune ramangwana.

Kushandiswa kukuru kwekuona kwekuchinja: mafashamo emvura uye kudyara kwemvura

Mufananidzo unobatsira mazwi ane chiuru, uye kuonekwa kukwanisa kwekuchinja nemifananidzo ye satellite LandViewer Vanogona kuratidzirwa zvakanakisisa nemuenzaniso chaiwo-mienzaniso.

Masango anoramba achifukidza chikamu chetatu chenyika ino anonyangarika pamwero unotyisa, kunyanya nekuda kwezvinhu zvevanhu zvakadai sekurima, minda, kufudza zvipfuwo, kugadzira miti uyewo zvinhu zvakadai semasango emoto. Panzvimbo yekuita kuongororwa kwevanhu vakawanda, kune nyika yezviuru zvemahekari emasango, nyanzvi yezvesimba inogona kugara ichicherechedza kuchengeteka kwemasango ane mapepa emadhorobha uye kuonekwa kwekutsvaga kwekuchinja maererano neN NDVI (Normalized Difference Vegetation Index). .

Chinoshanda sei? NDVI inzira inozivikanwa yekumisikidza hutano hwezvinomera. Nekuenzanisa nesataneti mufananidzo wesango rakasimba, nemufananidzo wakawanikwa mushure mekunge miti yatemwa, LandViewer ichaona shanduko uye ibudise musiyano mufananidzo unoratidzira nzvimbo dzekuparadzwa kwemasango, vashandisi vanogona kudhawunirodha mhedzisiro mu .jpg, .png kana .tiff fomati. Chakafukidza masango chinopona chichava nehunhu hwakanaka, nepo nzvimbo dzakacheneswa dzichava nezvakaipa uye dzichizoratidzwa nematoni matsvuku anoratidza kuti hapana zvinomera zviripo.

Chimwe chifananidzo chinoratidza kufanana kwekukura kwemvura muMadagascar pakati pe2016 ne2018; yakabva kune maviri Sentinel-2 satellite images

Imwe nyaya yakapararira yekushandisa yekuchinja shanduko ingangove yekuongorora mafashama ekurima, izvo zvinonyanya kufadza varimi nemakambani einishuwarenzi. Nguva dzese mafashama paanotora huremu pakukohwa kwako, kukuvara kwacho kunogona kukurumidza kutorwa uye kuyerwa nerubatsiro rweNVI-based shanduko yekuona algorithms.

Migumisiro ye Sentinel-2 chiitiko chinoshanduka kuonekwa: nzvimbo dzakatsvuka uye dzemaruva dzinomiririra nzvimbo yakazara yemunda; iyo minda yakapoteredza yakasvibirira, izvo zvinoreva kuti vakadzivisa kukanganisa. Mafashamo eCalifornia, February we2017.

Nzira yekuita sei kugadzirisa kuwanikwa mu LandViewer

Pane nzira mbiri dzekuvhura chishandiso uye kutanga kutsvaga misiyano mumifananidzo yesatiraiti yakawanda-yenguva: nekudzvanya "Analysis Tools" yekurudyi menyu icon kana Comparison slider, chero zvingava nyore. Parizvino, kuona shanduko kunoitwa chete pane optical (passive) satellite data; iyo yekuwedzera yealgorithms yeanoshanda kure sensing data yakarongerwa kune ramangwana rekuvandudza.

Kuti uwane mamwe mashoko, verenga bhuku rino kubva kune shanduko yekutsvaga chigadzirwa kubva kuLandViewer. KANA tanga kuongorora zvitsva zvayo zvezvino LandViewer iwe pachako

Golgi Alvarez

Munyori, muongorori, nyanzvi muLand Management Models. Akatora chikamu mukugadzirisa uye kushandiswa kwemhando dzakadai se: National System of Property Administration SINAP muHonduras, Model of Management ye Joint Municipalities muHonduras, Integrated Model yeCadastre Management - Registry muNicaragua, System of Administration yeTerritory SAT muColombia. . Mupepeti weiyo Geofumadas ruzivo blog kubvira 2007 uye mugadziri weAulaGEO Academy iyo inosanganisira anopfuura zana makosi paGIS - CAD - BIM - Digital Twins misoro.

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