Yadda zaka zaɓa siffofin SPOT daga Google Earth
Ina fata filin Ma'aikatan Cartesians sun nemi gafara don wallafa irin wannan matsayi, saboda wannan yana a cikin Ready of Google Earth, hehe
Amma dai, don amsa tambayoyin da na ga 'yan kwanaki da suka gabata a cikin kididdigar; a nan gidan. Kamar yadda mun ambata a baya, cikin sharrin Google Earth shine ya zama samfurin samfurori na masu samar da hotuna na tauraron dan adam, a tsakanin wasu Hotunan da suka dace da hotuna da ake kira SPOT, yayin da ake wucewa shi ne rabuwa na Faransa Tauraron Dan Adam Zuwa l'Observation de la Terre cewa daga SPOT5 da aka kaddamar a 2002 multispectral hotuna har zuwa 2.5 mita an samu.
1 Kunna SPOT ɗaukar hoto
Don kunna sakonnin hotuna na SPOT, an yi shi a bangaren hagu wanda aka nuna a cikin adadi, ta wannan hanya zaka iya ganin hotuna a cikin layin orange. Dole ne ku yi tafiya daga dan kadan don ganin su, kuma a cikin gumakan tsakiyar cibiyar haɗi ku samo hanyar haɗi don samun samfoti na hoton kuma har ma maɓallin don yin sayan shi.
2 Ƙarin bayanai na SPOT
A cikin cikakkun bayanai game da hoton, bayanin ya bayyana kamar haka:
Satellite: SPOT 5 (Tauraron dan adam wanda ya sa harbi)
Kwanan wata: 23 DEC, 2007 18: 30: 56 UTC (Ranar shan shan, United Time Central, wato shine lokacin Cibiyar Ƙasar Amirka)
Samfur: 2.5 m launi (Girman nauyin pixel kuma idan hoton yana cikin launi ko ƙananan digiri)
Alamar haɗari: -5.03957 ° (kusurwar kamawa dangane da vector da zai je tsakiyar duniya ... Ina tsammani)
ID: 55442840712231830562J (Mai gano hoto)
Lura: Abincin yana bayyana a ja akan hotuna masu launi. (Wannan yana nufin cewa launi ya dace da fassarar hasken ta hanyar tauraron dan adam, ba cewa gandun daji suna cikin wuta :))
Hoton Hotuna shine babban mai bada bayanai na asalin da aka samo daga siffar tauraron dan adam don amfani da masu sana'a da masu zaman kansu.
"Duniya ɗaya, Shekara ɗaya" tana bayyana sabbin hotuna SPOT da aka samu a cikin watanni 12 da suka gabata. Zabi ne na hotuna masu tsayin mita 2.50 zuwa mita 20.
Wannan yana nufin cewa hotunan da aka nuna a cikin kundin Google Earth ba wai kawai suke wanzu ba, a'a waɗanda suke da buƙatu mafi girma ... kuma wannan ba dukkansu suna da ƙuduri na mita mita 2.50 ba amma sun bambanta har zuwa mita 20 a pixel.
Wadannan abubuwan sha ba su da amfani domin high-daidaici aiki, kafin a pixel tafiya da 20 mita, yanzu sun yawon 2.50 ko kasa (GeoEye alkawuran wanda zai sami 0.25) Duk da haka, matsalar ita ce saboda tana da irin wannan shimfidar wuri, tsarin duniya yana da tasiri, don haka daidaituwar kusanci ɗaya daga cikin girmamawa ga wani kusa (game da mita 100, alal misali) yayi kyau sosai ... amma game da nesa mai nisa (game da 2000 misali) ... babu garanti ... kuma wannan shine abin da ake warwarewa tare da daidaita shi kuma ana gano bambanci yayin kwatanta hoto mai tsayayyen jirgin sama zuwa mita 5,000 mai tsayi, tare da isassun maki sarrafawa ... zuwa hoton wani tauraron dan adam da aka ɗauka a tsayi kilomita kilomita 822.
Koyaya, waɗannan hotunan suna da matukar amfani ga ayyukan gandun daji, rage haɗari, muhalli, tarihi, da sauransu. Fa'idar da suke da ita shine cewa su tauraron dan adam ne, ma'ana, sakamakon fassarar tauraron dan adam bisa dogaro da hasken haske da sauran ganyayyaki wannan hadadden ... su ba hotunan iska bane, amma shirye-shirye da yawa suna da aikace-aikacen da zasu bada damar bincike na musamman. akan wannan nau'in hoton da za'a iya samu tare da bayanan haɓaka ƙasa (DEM).
3 Gudanar da hotuna SPOT
Don sanin cibiyar haɗin gwiwar waɗannan hotuna, zaɓi zaɓi "samun hoton", sannan wani kwamiti ya bayyana inda akwai ƙarin bayani kamar latitude da longitude na tsakiyar hoton, adadin murfin girgije, farashi da maɓalli don samun ƙima na yau da kullun.
Misalin da na nuna muku yana da daraja € 8,100, amma idan kuna son ganin wasu abubuwan rufewa za ku iya zuwa "duba karin tayi a kan layi” kuma tabbas zaku sami hotuna masu ƙarancin farashi ko da yake ba kamar kwanan nan ba. Ma'auni na "kwanan nan" yana da daraja ambaton, yana rage farashin kuma a wasu lokuta hoto daga shekaru biyu da suka wuce na iya zama daidai da amfani dangane da dalilai ko jahilci :).
4 Hotuna na takamaiman wurare
Da zarar ka shigar da zabin zabin za ka zabi ko dai:
- Daidaita wurin
- Zaɓi ta yankin, ƙasa, sashen, gari
- Zaɓi girman pixel, daga 2.5 zuwa mita 20, ko dai kama ko ƙuduri, ko 3D tare da bayanan samfurin samfurin dijital (DEM)
- Kwanan wata hoton
- Girgigizai mafi girma
- Alamar mafi girma na hadarin
Da zarar an zaɓa sigogi, tsarin yana nuna maka samfuran da aka samu da farashin.
Sannu na bar wannan shafin yanar gizon Ina fatan za ku bauta musu a wani abu http://www.geologosenlinea.webs.com
Gaisuwa, shafinku na da kyau sosai, ya taimake ni mai yawa, na gaskanta cewa a nan gaba zan iya taimakawa wani abu don hanyar ilimi
Yana da wani matsala da sharuddan tunani da kwangila, a matsayin for ingancin iko a kan wani aiki da ya kamata a yi tare da wata hanya kafin su sami irin wannan accuracies karkashin al'ada yanayi.
Zai yi kyau a sake duba kwangilar da ake da ita, kuma idan ba a kula da ita ba, dole ne ku yi kari ... kuma ba zato ba tsammani ku ba lauyan mari sau biyu
🙂
Idan suna son yin iko mai inganci tare da irin nau'in hotunan da suke da su, ba za su iya ƙin aikin su ba, za su iya ba da rahoton shi a matsayin rashin daidaituwa, amma yanayin "rashin daidaituwa" yana ba da fifiko ga bayanan da ke ba da daidaito mafi kyau.
gaisuwa
Hello friends Ina da matsala da sharudda, a shekara da suka wuce mun ba a Taswirar aikin a yankin na Sucre jihar a Venezuela, da sikelin jirgin ya a 1: 10.000 don samar da cartographic bayanai zuwa 1: Vector 5.000, matsalar na faruwa saboda kamfanin ga abin da muka yi da dagawa da mu aka yi a ingancin iko tare da wani tabo image da kuma tsakanin wasu daga cikin lura shi ne cewa ba su ganin waɗansu kõguna a cikin image mana idan ka gani a cikin hoto, ina ganin yana da wani abu da bai kamata a yi saboda farawa wani tsari ne, wani sikelin da wani kwanan wata zan gode maka don magance shi
Yayi kyau game da "Mara Cartesianos" 🙂 . Baya ga ainihin ma'anar da zai iya samu.