Tsis muaj thaj chaw dig muag ntau dua nrog Mosaic kev ua haujlwm

Tsis ntseeg, qhov teeb meem zoo tshaj plaws thaum ua haujlwm nrog satellite cov duab yog nrhiav cov duab tsim nyog tshaj plaws rau kev siv rooj plaub ntawm, hais, Sentinel-2 lossis Landsat-8, uas ntseeg tau npog koj thaj chaw txaus siab (AOI); yog li ntawd, nws tso cai rau kom sai cov ntaub ntawv muaj tseeb thiab muaj txiaj ntsig los ntawm kev ua tiav. 

Qee zaum, qee ntu ntawm koj AOI, tshwj xeeb tshaj yog nyob rau hauv AOI loj loj npog ntau qhov chaw, raws li AOIs uas nyob ze lossis nyob ntawm cov npoo ntawm qhov chaw, yuav nyob dhau qhov ciaj ciam ntawm thaj chaw tam sim no. Cov teeb meem ntawm kev koom ua ke cov duab thaij no tuaj yeem ua rau kev tshawb xyuas ib feem thiab poob ntawm cov ntaub ntawv tseem ceeb.

mosaic tau yug los daws cov teeb meem ntawm kev sib koom ntawm cov duab 

Mosaic tau tsim los ntawm kos raws li ib qho yooj yim ntawm kev ua haujlwm uas tso cai rau koj los ua ke, sib koom ua ke thiab pom tau qhov ua rau pawg tau los ntawm lub ntsuas, mus rau hauv cov duab, rau qhov tshwj xeeb AOI thiab cov ntaub ntawv xav tau lub sijhawm.

Txhua qhov teeb tsa muaj rau hnub xav tau ua ke thiab AOI tau them rau ntawm 100%.

Txoj kev daws teeb meem yog li yooj yim thiab siv tau yog qhov xav tsis thoob uas nws tsis tau ua dhau los.

Mos cov hauv paus muaj nyob rau hauv GIS cov cuab yeej

Muaj ntau ntau yam le caag Txhawm rau tsim koj tus kheej Mosaic, koj tuaj yeem xaiv nrawm tshaj plaws haum rau koj cov kev xav tau.

  • Mosaic thoob ntiaj teb kev pab them nqi

  • Mosaic tau ua ke los ntawm tag nrho cov ntawv hla xov hnub ib hnub.

  • Mosaic tau tsim kom nruj me ntsis hauv thaj chaw tsim kev txaus siab (AOI). 

Mosaic ua haujlwm li cas hauv LandViewer?

LandViewer (LV), nyeg, muaj kev sib txuam ua ke, uas yog, tus neeg siv kos npe rau AOI. Tom qab ntawd lub kaw lus kaw cov AOI hauv ib lub thawv paub txog cov duab tshwj xeeb uas tau hais tseg nyob ib ncig ntawm AOI, raws li cov duab yuav muab tso rau. Piv txwv, hauv rooj plaub uas AOI lub voj voos, mosaic yuav raug sawv cev nyob rau hauv cov xwm txheej sau tseg.

Ua raws li txoj kev AOI tau tsim, tus neeg siv yuav tau txais ib qho txiaj ntsig hauv qab no:

  • Yog tias koj poob tus cim rau ntawm daim ntawv qhia, lub software yuav tsim cov npe ntawm txhua tus neeg cov kev tshwm sim, ib yam li koj tau ua tas los. 
  • Yog tias koj kos duab loj AOI lossis AOI uas yog nyob rau ntawm ntug ntawm ob lossis ntau qhov chaw tshwm sim, Mosaic yuav ua tiav rau hauv cov kev tshawb pom

Tib qho xwm txheej los tsim Mosaic yog AOI

Thaum koj tau kos duab AOI npog ob peb scenes, lim huab thiab teeb lub hnub xav ntawm lub hnub, lub kaw lus qhia Mosaic tshawb cov txiaj ntsig nrog kev saib ua ntej tsim tawm raws li qhov tau teeb tsa tau txiav. Tus naj npawb ntawm cov scenes hauv Mosaic tau teev nyob hauv daim npav saib ua ntej.

Mosaic lub peev xwm tseem ceeb

Peb tau mus txog lub ntsiab lus tseem ceeb tshaj plaws. Dab tsi ntxiv peb tuaj yeem ua nrog Mosaic? Thaum peb tau pom Mosaic nyob rau hauv daim ntawv qhia, peb tuaj yeem txuas ntxiv nrog cov kev xaiv hauv qab no:

Browser Ua:

  • Siv cov cim ntsuas thiab cov kab sib txuas ua ke, ob qho tib si neej ntawd thiab cov kev cai.
  • Teeb qaim thiab sib piv ncab.

Browser tsom xam (los sai sai)

  • Soj ntsuam thiab ntsuas seb cov cwj pwm ntawm thaj chaw tshwj xeeb tau hloov li cas los ntawm ob lossis ntau lub sijhawm nrog rau Kev Hloov Pauv Hloov.
  • Ua tau zoo tswj cheeb tsam raws li qhov ntsuas tus nqi ntsuas, siv txoj haujlwm ntawm Ciaj.

  • Txheeb xyuas qhov ua tau zoo ntawm cov kev cog qoob loo rau koj thaj chaw txaus siab (AOI) ntev dhau los nrog lub Sijhawm Teev ntawm kev xaiv

  • Tsim kom muaj GIF kom zoo saib lossis cov dab neeg video thiab qhia koj cov ntaub ntawv nrog lwm cov neeg siv online nrog cov animation Time-lapse.

Xaiv cov kev xaiv muaj nyob ntawm LandViewer 

Peb hom kev rub tawm tuaj yeem siv rau Mosaic, cov no yog Visual, Analytics lossis Index, raws li tus neeg siv yuav tsum tau ua.

Nco tseg: tus neeg siv yuav xaiv hom kev rub tawm «Mosaic» lossis «Fragments hauv bulk». Qhov sib txawv ntawm ob qho kev xaiv no nyob ntawm cov ntaub ntawv kawg uas yuav nthuav tawm rau tus neeg siv: lub kaw lus rub tawm cov yeeb yaj kiab sib xyaw ua ke nrog "Mosaic" download xaiv; Lub system rub tawm cov khoom sib dhos ua ntu zus yog cov npe yog tias tus lej «Pawg tawg nyob hauv ib puag ncig» raug xaiv.

Nrig txog kev pom: nyob rau hauv cov ntaub ntawv koj xaiv lub hom Nrig txog kev pom, cov ntaub ntawv tawm yuav xa mus rau hauv JPEG, KMZ thiab GeoTIFF cov ntaub ntawv tawm tswv yim uas muaj cov yeeb yaj kiab sib xyaw ua ke (piv txwv, txhua qhov scenes uas poob rau hauv AOI thiab tsis hla).

Analytics: ntawm qhov download nrog Analytics xaiv yuav yog cov ntawv ntawm cov sib koom ua ke, tsis muaj metadata (piv txwv li [GeoTiff1: B02, GeoTiff2: B03, GeoTiff3: B04, GeoTiff4: B05.]).

Nrog hom Index, cov ntaub ntawv tawm rau mosaic yuav tau nthuav tawm ua daim ntawv TIFF

Qhov ntsuas: Nco ntsoov xaiv qhov "Download los ntawm kev cog qoob loo". Lub tshuab txiav duab ntawm lub mosaic tau ua tiav raws li tus neeg siv lub ntsuas, uas yog, bbox geometry teev los ntawm tus neeg siv. Nyob rau hauv qhov xwm txheej uas clipping tsis raug teeb tsa, txhua qhov scenes tau rub tawm.

Mosaic nyob hauv kev coj ua

Siv Cov Ntaub Ntawv 1: Kev Tshawb Fawb Kev Tsim Kho, Dubai.

Hom phiaj: kuaj pom kev nce qib hauv kev txhim kho kev tsim kho thaj chaw ntawm kev nyiam (AOI)

Phiaj tuaj saib: txhua lub tuam txhab nyob hauv kev tsim kho

Qhov Teeb Meem: Tus neeg siv teeb tsa lossis thau thaj chaw ntawm kev txaus siab thiab xaiv cov duab coj los thaum Lub Xya Hli 19 los ntawm 2019. Lub screenshot qhia meej meej tias tus kheej daim duab tsis npog tag nrho cheeb tsam ntawm kev txaus siab.

Tshuaj: Hauv qhov no, tus neeg siv yuav tsum xaiv daim npav saib ua ntej nrog cov naj npawb tsim nyog uas npog nws AOI, ntawm cov txiaj ntsig tau tshawb pom, thiab nyem rau ntawm "Mosaic" keeb kwm.

Xaus: Mosaic tso cai rau kev saib xyuas thaj chaw loj.

Yav dhau los, saib xyuas thaj chaw loj xav tau tus neeg siv kom hloov ntawm scenes thiab sib koom ua ke ntawm lawv tus kheej. Tus txheej txheem no tsis yooj yim thiab siv sijhawm ntev. Txij no mus, txhua yam yog sai thiab yooj yim: kho koj tus AOI thiab LandViewer yuav cia li tswj tus so rau koj. 

2 siv cov ntaub ntawv: California saib xyuas hluav taws

Hom phiaj: Txheeb xyuas thaj tsam thaj tsam puas, uas yog, thov NBR index thiab rub tawm Mosaic qhov chaw.

Kev piav qhia: Thaum Lub Kaum Ib Hlis Ntuj ntawm 2018, qhov hluav taws kub loj heev tau ua rau hauv California, tua cov neeg tsawg tsawg 85. Yuav luag kaum plaub txhiab (14,000) tsev tau raug puas tsuaj, thiab kwv yees li ntawm ib puas kaum txhiab (115,000) hav zoov tau ploj. Cov neeg hauv zos tau hu nws tias yog qhov hluav taws kub loj tshaj plaws hauv keeb kwm ntawm lub xeev. Cov lus hais no tsis txaus ntseeg, txawm tias muaj ntau tshaj li ib puas txhiab (100,000) hectares kuj tau poob nyob rau xyoo dhau los.

Cov tub ceev xwm hauv cheeb tsam hauv California tau siv kwv yees li tsib txhiab tus tua hluav taws los tua hluav taws, uas nyuam qhuav tswj hwm kom tsis txhob tua hluav taws, uas nyob hauv qee thaj chaw kis tau ceev ntawm 130 kilometers ib teev.

Tshuaj: Txhawm rau txiav txim siab txog kev puas tsuaj rau cov cheeb tsam cuam tshuam, nws yog qhov tsim nyog los sib piv ua ntej thiab tom qab kev puas tsuaj mosaics nrog cov ntawv thov NBR ntsuas.

1 Kauj Ruam: kos lossis thau AOI los ntawm koj thaj chaw txaus siab thiab teem sijhawm ua ntej kev puas tsuaj.

Duab ua ntej 1 kev puas tsuaj: Qhov tshwm sim ntawm sawv cev mosaic rau tag nrho cov kev pab them nqi ntawm thaj chaw ntawm kev txaus siab (AOI).

2 kauj ruam: Xaiv daim npav saib ua ntej nrog Mosaic, mus rau "Band ob peb ua ke" tab, mam li xaiv NDR index. Hauv cov kauj ruam no, lub kaw lus qhia txog cov nuj nqis ntawm cov cim ntsuas, tseem ceeb hauv cov txiv kab ntxwv-ntsuab. Tom ntej, txuas ntxiv mus rau ntawm "Download" tab thiab xaiv thaj chaw uas koj xav tau cov ntaub ntawv thov ntsig txog.

2 duab: qhov tshwm sim nrog NBR Performance index qhia txog qhov xwm txheej thaum muaj hluav taws.

3 Kauj Ruam: Xaiv cov duab tom qab kev puas tsuaj rau tib thaj chaw txaus siab (AOI).

Duab ua ntej 3 qhov kev puas tsuaj: qhov tshwm sim ntawm sawv cev Mosaic rau tag nrho cov cheeb tsam ntawm kev txaus siab (AOI).

4 Kauj Ruam: Tau Mosaic cov txiaj ntsig download tau siv NBR index, ua raws tib cov algorithm uas pom hauv kauj ruam 3.

4 txiaj ntsig cov duab: qhov teeb meem tom qab kev puas tsuaj qhia cov cheeb tsam uas cuam tshuam thiab pom kev puas tsuaj.

Tshaj:  Cov cheeb tsam cuam tshuam muaj qhia hauv liab. Los ntawm kev sib piv cov duab ua ntej thiab tom qab kev puas tsuaj nrog NBR qhov ntsuas siab, peb tuaj yeem ntsuas qhov kev puas tsuaj.

Cia Mosaic ua txoj haujlwm rau koj

Hauv kev xaus, Mosaic muaj cov kev daws teeb meem tshwj xeeb kom tau txais cov duab uas npog tag nrho koj thaj chaw txaus siab, tsis hais qhov loj me, nrog cov txiaj ntsig zoo tshaj plaws. Mosaic tso cai rau kev sib xyaw ntawm cov duab hnub qub uas tau los ntawm lub ntsuas lub zog rau qhov chaw tsim, tau tsim kho lossis kho qhov cim lub cim rau ntawm cov ya, thiab tseem muaj peev xwm rub tawm cov scenes rau kev txheeb xyuas tom qab. Hais qhov zoo rau kev tuav pov hwm, kev hloov duab, chaw seem thiab duab los ntawm kev koom nrog duab, tas mus li.

Yog xav paub cov ntaub ntawv ntxaws ntxaws Mosaic, saib LandViewer cov neeg siv phau ntawv lossis xa email rau peb ntawm support@eos.com

Ib qho lus teb rau "Tsis muaj ntau thaj chaw dig muag nrog Mosaic nta"

Sau ntawv cia

Koj email chaw nyob yuav tsis tsum luam tawm.

Qhov Web site no siv Akismet los txo cov kev pabcuam. Kawm li cas koj cov ntaub ntawv tawm tswv yim tiav.