Geospatial - GISsababbin abubuwa

Babu sauran wuraren makafi da ayyukan Musa

Babu shakka, mafi kyawun shari'ar lokacin aiki tare da hotunan tauraron dan adam shine nemo hotunan da suka fi dacewa don amfani da yanayin, in ji, Sentinel-2 ko Landsat-8, waɗanda ke dogara da abin da yankin ku ke so (AOI); saboda haka, yana ba da izinin samun cikakken daidaitaccen bayanai mai mahimmanci sakamakon aiki. 

Lokaci-lokaci, wasu sassan AOI ku, musamman a cikin manyan AOIs da ke rufe al'amuran da yawa, kazalika da AOIs da ke kusa ko a gefen al'amuran, na iya kasancewa ya wuce iyakokin yankin na yanzu. Wadannan matsalolin haɗuwa da hotunan tarawa na iya haifar da zurfin bincike da asarar bayanai masu mahimmanci.

mosaic an haife shi don warware matsalolin haɗin kan hotunan 

An tsara Mosaic daga karce a matsayin mai sauƙin amfani da aikin da zai ba ku damar haɗuwa, haɗawa da ganin hotunan wuraren da aka tattara daga mai firikwensin, cikin hoto, don takamaiman AOI da tsarin lokacin data da ake buƙata.

Dukkanin al'amuran da suke akwai don kwanan watan da ake buƙata suna haɗuwa kuma an rufe AOI a 100%.

Iya warware matsalar tana da sauki sosai kuma tana da tasiri kwarai da gaske tana da matukar mamaki tunda ba a taba yin ta ba.

Akwai kayan yau da kullun Mosaic a cikin kayan aikin GIS

Akwai daban-daban hanyoyin Don ƙirƙirar Musa ɗinku, za ku iya sauri zaɓi mafi dacewa don bukatun ku.

  • Mosaic duniya ɗaukar hoto

  • An haɗa Mosaic daga duk tashar tauraron dan adam a kowace rana.

  • An kirkiro Mosaic sosai tsakanin yankin da aka ba da sha'awa (AOI). 

Yaya Musa yake aiki a LandViewer?

LandViewer (LV), bi da bi, yana ba da haɗin hanyoyin, ma'ana, mai amfani ya zana AOI. Sannan tsarin yana nade AOI a cikin akwatin akwatin takamaiman lissafin da aka zana kusa da AOI, gwargwadon yadda za a ba da hotunan. Misali, idan har AOI yana madauwari, za a wakilta mosaic a cikin filin da aka tsara.

Ya danganta da hanyar da aka kafa AOI, mai amfani zai sami ɗayan sakamako mai zuwa:

  • Idan ka sauke alama a kan taswira, software za ta samar da jerin abubuwan yanayi, kamar dai yadda kuka yi a da. 
  • Idan ka zana babban AOI ko AOI wanda ke gefen gefen al'amuran biyu ko fiye, Mosaic zai cika cikin sakamakon binciken.

Halin kawai da za'a gabatar da Mosaic shine AOI

Da zarar ka zana hoton AOI wanda ya shafi al'amuran da yawa, ka sanya murfin girgiza kuma saita kusurwar rana da ake so, tsarin yana nuna sakamakon binciken Mosaic tare da samfoti da aka tsara bisa ga ma'aunin atomatik. Adadin al'amuran Mosaic an ayyana shi akan katunan samfoti.

Keyarfin maɓallin Musa

Mun kai mafi mahimmanci. Me kuma za mu iya yi tare da Musa? Da zarar mun ga Musa a kan taswira, zamu iya ci gaba tare da zaɓuɓɓuka masu zuwa:

Gudanar da Mai bincike:

  • Aiwatar da fihirisa da hadaddun makada, duka tsoho da al'ada.
  • Saita haske da bambancin shimfiɗa.

Binciken Neman Mai Bincika (sannu a sannu)

  • Saka idanu da kuma auna yadda halayen wani yanki suka canza tsakanin biyu ko fiye na lokacin lokacin tare da aikin Gano Canja.
  • Yana aiwatar da sarrafawa na yankin daidai gwargwadon jigogin ƙididdiga, ta amfani da aikin Taronka.

  • Tabbatar da kuzarin girma ciyayi don yankinku mai ban sha'awa (AOI) a cikin dogon lokaci tare da zaɓuɓɓukan jerin Series

  • Createirƙiri GIF mai kyan gani ko labarun bidiyo da raba bayananku tare da sauran masu amfani akan layi tare da motsa rai Lokaci-lokaci.

Zaɓuɓɓukan zazzagewa akan LandViewer 

Za'a iya amfani da nau'ikan saukar da abubuwa uku zuwa Mosaic, waɗannan Visual, Nazari ne ko Index, gwargwadon bukatun mai amfani.

Lura: mai amfani ya zaɓi nau'in zazzagewa "Mosaic" ko "Gurasa Ƙarfafa". Bambanci tsakanin waɗannan zaɓuɓɓuka guda biyu ya ta'allaka ne a cikin bayanan ƙarshe waɗanda za a gabatar da su ga mai amfani: tsarin yana sauke wuraren da aka haɗa tare da zaɓin zazzagewa "Mosaic"; tsarin yana zazzage gutsuttsuran fage azaman jeri idan an zaɓi sigar “Mass Fragments”.

Mai gani: idan kun zaɓi nau'in Kayayyakin, za a bayar da sakamakon da ya haifar a JPEG, KMZ da kuma tsarin fayil ɗin GeoTIFF waɗanda ke ɗauke da yanayin hade (alal misali, duk yanayin da ya faɗo cikin AOI kuma bai ƙetare ba).

Analytics: sakamakon saukarwa da Analytics zaɓaɓɓen zai kasance fayil na bandungiyar mahaɗan, ba tare da metadata ba (misali [GeoTiff1: B02, GeoTiff2: B03, GeoTiff3: B04, GeoTiff4: B05.]).

Tare da nau'in Index, sakamakon bayanan mosaic za'a gabatar dashi azaman fayil TIFF

Index: lura da zaɓin "Download by Crop". Yanke tayal ana yin su ne bisa ga sigogin mai amfani, wato, ɓangarori na bbox geometry na mai amfani. A cikin yanayin da ba a saita sigogin datsa ba, ana zazzage duk fage gaba ɗaya.

Musa a aikace

Yi amfani da Harka ta 1: Kula da Ci gaban Gini, Dubai.

Manufar: gano ci gaba a cikin ci gaba na gina babban yanki mai ban sha'awa (AOI)

Masu sauraro: duk kamfanoni a masana'antar gine-gine

Matsala: Mai amfani ya kafa ko ɗora masa yankin fifiko kuma zaɓi hoton da aka ɗauka a Yuli 19 daga 2019. Hoton nuna hoton a fili ya nuna cewa hoton mutum bai rufe dukkan yankin sha'awa ba.

Magani: a wannan yanayin, mai amfani dole ne ya zaɓi katin samfoti tare da adadin wuraren da suka dace waɗanda ke rufe AOI gaba ɗaya, daga sakamakon binciken da aka samar, kuma danna abin "Mosaic".

Kammalawa: Mosaic yana ba da izinin kulawa da manyan wurare.

A baya can, saka idanu kan manyan yankuna na buƙatar mai amfani don juyawa tsakanin al'amuran da kuma haɗa su da hannu. Wannan tsari ba shi da daɗi kuma an dauki lokaci mai tsawo. Tun daga yanzu, komai yana da sauri da sauƙi: saita AOI ɗin ku kuma LandViewer zai sarrafa ragowar ta atomatik. 

Maganar amfani da 2: Kulawa da wutar ta California

Manufar: Ineayyade yankin da ya lalace, wato, amfani da allon NBR kuma zazzage yanayin Musa.

Bayani: A watan Nuwamba na 2018, wata babbar gobara ta tashi a California, inda ta kashe a kalla mutane 85. Kusan gidaje dubu huɗu da goma sha huɗu (14,000) sun lalace, kuma kimanin kadada dubu ɗari da goma sha biyar (115,000) na ɓace. Mahukuntan yankin sun kira shi da wutar mafi girma a tarihin jihar. Wannan sharhi ba abin mamaki bane, duk da cewa sama da ɗari ɗari (100,000) kadada suma sun ɓace a cikin shekarar data gabata.

Mahukuntan yankin da ke California sun tura kimanin ma’aikatan kashe gobara kusan dubu biyar don kashe wutar, wadanda suka kasa ci gaba da ci gaba da kashe wutar, wanda a wasu yankuna suka bazu cikin sauri na kilomita kilomita 130 a awa daya.

Magani: Don sanin lalacewar yankuna da abin ya shafa, ya zama dole a gwada pre da kuma gabatar da mosaics na bala'i tare da ƙididdigar NBR da aka yi amfani da ita.

Hanyar 1: zana ko saka AOI daga yankin sha'awa kuma saita kwanan wata bala'i.

Hoto kafin bala'in 1: Sakamakon wakilcin mosaic don duka ɗayan yanki na ban sha'awa (AOI).

2 mataki: Zaɓi katin preview na Musa, je zuwa shafin "Band Combinations", sannan zaɓi alamar NDR. A cikin wannan mataki, tsarin yana nuna ƙididdiga masu ƙididdiga masu ƙididdiga, waɗanda aka haskaka a cikin orange-kore. Sa'an nan kuma ci gaba zuwa shafin "Download" kuma zaɓi wurin da kuke buƙatar bayanan da suka dace.

Hoton 2: wurin tare da allon NBR ya nuna halin da ake ciki yayin gobarar.

Hanyar 3: Zaɓi hoton bayan bala'in don yanki iri ɗaya na sha'awa (AOI).

Hoto kafin bala'in 3: sakamakon wakiltar Musa zuwa ga duk yankin ban sha'awa (AOI).

Hanyar 4: Samun sakamakon saukar da Mosaic ta amfani da nunin NBR, bin algorithms iri ɗaya da aka samo a mataki na 3.

Hoton sakamako na 4: bayan aukuwar bala'in ya nuna yankin da abin ya shafa kuma ya iya ganin lalacewar.

Sakamakon:  Ana nuna wuraren da abin ya shafa a ja. Ta hanyar kwatanta hotunan kafin da bayan bala'in tare da ƙididdigar ma'anar NBR, za mu iya tantance lalacewar.

Bari Musa ya yi maka aiki

A ƙarshe, Mosaic yana ba da mafita na musamman don samun hoto wanda ya rufe yankinku duk sha'awar, ba tare da la'akari da girman ba, tare da kyakkyawan sakamako. Mosaic yana ba da izinin haɗuwa da hotunan tauraron dan adam na yau da kullun da aka samo daga firikwensin wuri don kafaffen wuri, ƙaddara ko ƙididdigar ƙayyadaddun kan tashi, da yuwuwar sauke al'amuran don nazarin ƙarshe. Yi ban kwana da shirye-shiryen shugabanci, canjin hoto, sarari mara waya da kuma hoton hoton mai shiga, na har abada.

Don cikakken bayani game da Musa, duba jagorar mai amfani LandViewer ko a yi mana imel a support@eos.com

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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