cadastreGoogle Earth / Maps

Yadda hotuna na Google suna daidai

A batun daidaito na tauraron dan adam da hotuna da kuma orthorectified na Google Earth akwai wani Littãfi tambaya a kan search engines wadannan kwanaki dame daidaici haƙuri ne da sauki kamar yadda rasa GPS a cikin taksi, shi zai zama mai kyau yi kamar wata analysis ko ko ba don amfani da wannan bayanai don tsanani aiki.

Kwanan nan DigitalGlobe, samar da hotuna na Google Earth, ya sanar da cewa za su samu karin kayan bayanan bayan da aka bude sabon tauraron dan adam mafi girma da kuma mafi girma a kowace rana.

Ana kiran wannan tauraron dan adam Worldview I, wanda zaiyi aiki tare da tauraron dan adam na Quickbird, hotuna za su sami nauyin pixel na 50 centimeters (a halin yanzu na 1 mita) kuma za su iya kama 600,000 kilomita kilomita kowace rana, wanda suke a cikin mako daya.

Wannan yakan rikitar da wadanda suke da hankali kan samfurin karshe (maps) kuma ba a kan samfurori na samfurori na binciken da asalin samfurinsa wanda shine abin da ba dama mu ba kawai don samarda samfurori ba har ma da matakin da suka dace da dacewa. Lokacin yin amfani da taswirar Google don dalilai na gida Zai iya ƙaddamar da ƙayyadaddun ƙananan, wani lokaci har zuwa mita mita 30, saboda siffar tauraron dan adam na buƙatar cibiyar sadarwa mai mahimmanci na farko da ƙidayar gida don gyarawa. Ba haka ba ne cewa yana da kyau, yana da ma'anar shafin yanar gizon wanda shine hanyar da Google Earth ke kira wannan Layer.

Ga wadanda suke so su yi digiri tare da GoogleEarth, akwai misali na abin da za a samu:

Wannan shi ne La Jaguita, Comayagua, Honduras; Duba yadda za a iya ganin maimaita irin wannan gine-ginen, gine-ginen 36.51 zuwa arewa maso gabas, a cikin hoton hoto.

google-earth-other-error.JPG
Muna amfani da Magelan Mobile Mapper na GPS guda biyu, ɗaya a matsayin tushe, wani don tada maki kuma bayan yin gyaran gyare-gyare, mun kwatanta shi da wani rubutun da aka halitta tare da daukar hoto na zamani shekaru uku da suka wuce tare da jirgin na 5,000; bayanan GPS ya dace daidai da rubutun ta amma ba tare da kowanne daga cikin hotuna na Google ba, ɗaya daga cikinsu shi ne mita 23 zuwa arewa maso gabas, ɗayan su zuwa mita 19, amma ƙananan ƙwayar yana da bambanci daban-daban.
A wannan bangare bazai yiwu ba mu tambayi tsarinmu, wanda shine mafi kyawun cewa yawancin garuruwanmu na iya samun inda ba'a samo asali ba a cikin shekaru 10 na gaba da kuma cewa zuwa saman shi kyauta ne; abin da yake mahimmanci shi ne cewa muna sane da muhimmancinta da ƙuntatawa.
Don yin zuzzurfan tunani na bar muku wannan batu na sharuɗɗan Google Earth, wanda babu wanda ya karanta kuma kawai danna maɓallin "Na karɓa":

e) NO shawara ko bayani, ko FADE OR rubuta, samu daga GOOGLE OR wani ɓangare na uku ko ta hanyar SOFTWARE ZA Create wani garanti BA bayyana shi a waɗannan sharuɗɗa da.

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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32 Comments

  1. Ina fatan gwaninta zai zama da amfani ga wani: Na yi binciken hectare 14 tare da gpsmap 64sx, tare da eriya, wannan lokacin haɗin gwiwar sun kasance kusan mita 1.5 na daidaito a cikin tsari (ba a ba da shawarar ga altimetry ba), don samun cikakkun bayanai da na auna. iyakoki (ba duka ba saboda akwai sassan fadama) da haɗa wuraren sabani tare da ma'auni kuma daidaita daidaitawa a cikin ch. don haka an rage iyakokin kuskure zuwa santimita, ba zan iya bayyana hanyar dalla-dalla ba kamar yadda zai zama mai ban sha'awa sosai, Ina fata yana taimaka muku.

    Lura: ana amfani da nau'in kewayawa na GPS a saman hoto don samun daidaitawa kusan.
    RTk gps na'urori ne na musamman, tare da gefen kuskure na millimetric.

  2. Ina gaya muku abokan aiki Google Earth yana da kuskure da yawa kuma mafi tsayi a cikin tsayi, Ina haɓaka tare da tashar kuma ƙarshen kuskuren wannan game da tsaunuka ya kusan mita 8 a cikin aikin inda mita mai yawa ko couldasa na iya haifar da tasirin ruwa ya kasa A wani yanki mai kusurwa, ku huta lokacin da kuka ga duk waɗannan bayanan godiya.

  3. Ba za su taba daidaita maka ba. Misali na tasowa na Google Earth yana da sauƙin ƙaddamarwa tun da yake don manufar duniya ta duniya; wanda ba ya faru lokacin da kake gudanar da bincike na gari tare da karin maki masu mahimmanci.

  4. Na comento.acabo yi wani site duba zuwa ruwan ruwa a Arequipa da kuma girma cewa na samu tare da total tashar basu dace ba a duk tare da girma da kuma contours na google earth.Hay bambanci 40 mita saman teku matakin.

  5. Wajibi ne a ayyana yawa sub-awo rude da GPS navigators (Garmin, Magellan, da dai sauransu), bãbu shakka a zama Sub-metrical daidaici cadastre na 5 cm (wanda shi ne gwada da manyan) da bincike da cewa suna da bambance-bambance 3- 5-10 mita.

    Ya kamata a dauki hotuna na Google a matsayin abin tunawa, amma ba a matsayin tushen yin aiki tare da daidaiton ƙaddamarwa ba; saboda kuma har sai sun tabbatar da shi, da bambancin zai ci gaba da na'urorin da kowa ke amfani da su.

    gaisuwa

  6. Ga Mexico kuskuren yana daga mita 5 zuwa 7, Na riga na yi gwaje-gwaje da yawa tare da GPS 2. Koyaya, lokacin da kuke amfani da aikin "Geolocation" a cikin Autocad, wannan kuskuren yana raguwa la'akari da kuskuren GPS kawai, bisa ga gwaje-gwajen da na yi ya zuwa yanzu.

  7. Gaskiya ne binciken da aka yi tare da cikakken tashar bai dace da kome ba tare da hotuna google,

  8. Dole ne ku tabbatar da abin da sam kuna aiki, kullum kuna aiki a sam 84 wanda shine wanda aka yi amfani da shi a duniya, saboda wannan yana haifar da bambancin wani ma'ana.

  9. Suna daga 7 zuwa 10 mts app, zan iya fada maka da tushe saboda na yi amfani da haruffan gps da haruffa sosai saboda aikin na kuma yana nuna bambancin.

  10. a yau na same kaina da wannan shakka kuma ina neman mafi daidaituwa ga rahotanni, kuma bambanci a cikin bayanai yana da matukar fadi da gaske da ke sa ni sosai m. yawan bambancin da ke tsakanin gps da google yana da fiye da 5 kilomita kuma wancan yana damuwa

    KADA KA YI AMFANI DA YI KASA DATA

  11. DATUM na ƙa'idodin UTM da Google Earth yayi amfani da ita shine WGS84, kuma bambancin zai kasance saboda GPS da kake amfani da su a cikin NAD 27 Datum. Sanya GPS ɗinka, Ina bada shawara da shi. Gaisuwa daga Managua, Nicaragua.

  12. To, ba haka ba ne da yawa a faɗi. Ba don la'akari ba, sai dai idan yin amfani da shi ne kawai na kasafin kudi ko kuma ba ya haɗi da mai amfani da doka.

  13. Sannu, abubuwan da ke sha'awa. Muna godiya ga Google Earth kyauta, duk da haka ina tsammanin idan wani yana buƙatar daidaituwa, ba tare da saka jari mai yawa ba, zan iya amfani da GPS, wanda ke bada daidaituwa fiye da ƙasa da mita uku. Don Allah wani ya gaya mani idan maganata gaskiya ne, tun da ina yawanci na buƙatar daidaito a wurin gano wuri. A gaba, godiya.

  14. Lokacin da na fara amfani da Google Earth da kuma GPS ina da matsala guda ɗaya, maganar shine cewa duka biyu su kasance cikin tsarin daidaitawa.

  15. Don haka za ka ga ya wuya a yi amfani da hoton Google. To, dangane da ƙasar da kuma yanki inda kake, tafiyarwa sun bambanta.
    Wataƙila wata hanyar ita ce ka sauke hoton tare da Plex.Earth, kuma kayi la'akari da mahimman bayanai akan ƙarami ko žasa don gyara shi zuwa ƙayyadaddun abin da aka sani.

  16. An sadaukar da ni don kewaya cikin motoci 4 × 4 kuma koyaushe muna amfani da gmin Garmin, Ina so in gauraya shi tare da haɗin gwiwar Google kuma ina da bambance -bambancen da suka kai mita 200 tsakanin hoton da ainihin wurin don haka ya shafe ni da yawa don gano wuri gibin kuma ba shakka hanya, ta yaya zan iya yin wannan dandalin ko waɗanne shirye -shirye nake amfani da hotunan tauraron dan adam don samun mafi ƙarancin bambanci? Ina so in rike tare da bayanai, hotuna da daidaitawa a cikin ainihin lokaci.
    gaisuwa!

  17. Sannu a sake

    Da farko godiya ga reply, na sharkaf wasu daga cikin bayanai da ka ba a cikin daban-daban wallafe a kan ƙasar, ina ganin za a wuya don amfani Google Maps yi amfani da ƙasar haka ina fagen da ya nemi sauran mafita idan kowa a nan san wasu sauran zabi zai zama mai gõdiya, saboda ina neman wani bayani don magance matsalar da ke hannu da hannu da sosai ƙasar.

    A gaisuwa.

  18. Hello Everardo

    Wannan ya dogara ne da yanayin wuri. Alal misali, a Amurka da wasu žasashen Turai ƙasashen da kuke gani a cikin Google Earth sun bayar da jihohi ko gwamnatoci. Don haka akwai ainihin abinda ya dace.
    Amma a wasu ƙasashe, daidaitattun tsakanin 10 da 30 mita na motsi na hotuna. Za a iya yin hakan a cikin haɗin tsakanin hotuna na shekaru daban-daban.

    Babu wani biyan kuɗin da ya ba ku mafi kyaun hotuna.

    A gaisuwa.

  19. Sannu, kyakkyawan rana

    Ina sha'awar amfani da maps na google, don ayyukan daban-daban tare da tsammanin tsammanin, don haka ina sha'awar sanin yadda daidai ko abin da ke cikin kuskure; Ni kuma ina so in san ko akwai wata sigar da aka biya ta mafi dacewa ko sauki a inda zan iya yin rahoton wannan.

    Na gode sosai, ina godiya da littafin.

    Na gode.

  20. Barka dai, a ra'ayina bana tunanin cewa yakamata a gyara daidaitattun abubuwan da aka tsara (k), yayin da nake karantawa a wurin, sai dai ..., gudun hijirar saboda saukakkiyar aikin da aka samu.

  21. Sauke shi tare da Stitchmaps kamar jpg a matakin idanu ba fiye da 500 mts ba, tare da fayil ɗin calibration sannan sannan ka kwashe shi daga Ilwis.
    Idan Ilwis bai karanta fayil ɗin calibration ba, kana buƙatar maki masu kula da abin da za a yi la'akari da shi.

  22. Ta yaya zan sanya hoto na google zuwa shirin na ilwis 3.2 kuma wannan ya ba ni cikakken bayani game da haɗin kai.

  23. Labarin yana da kyau sosai, a wannan batun ... gaskiyar cewa ba daidai ba ba ya sa ya zama mummunan kuma kamar yadda suke cewa shi ne kawai wurin da suke ba mu hotuna "kyauta" na irin wannan babban ƙuduri. Na yi amfani da wasu kuma na iya tabbatar da cewa kuskuren ya karu a wurare masu tsaunuka ko kuma tare da yanayin da ba daidai ba, amma a cikin wurare masu laushi kuskuren idan aka kwatanta da bayanan navigator na GPS bai kasance mai mahimmanci ba ... a ma'ana ya dogara da yawa akan dalilin na amfani, Na yi la'akari da cewa don zane-zane na "na gida" kayan aiki ne mai kyau wanda ke adana lokaci da ƙoƙari mai yawa… koyaushe yana kiyaye goyon baya tare da wuraren sarrafa ƙasa da yawa don gyara shi.

  24. Kamar yadda imel ɗin na ke faɗi, abu ɗaya shimfidar wuri ne kuma wani shine topography daga sararin samaniya (wanda babu ...) amma tsarin hoto daga sararin samaniya dole ne ya daidaita daidaiton yanayin ƙasa dangane da lanƙwasawar ƙasa, duba banbancin FASAHA FATARA …… CURVATURE NA DUNIYA… ban da wannan, gefen kuskuren ruwan tabarau wanda aka ɗauki hoton daga sararin samaniya, duk ruwan tabarau ba madaidaiciya bane 100%, don haka ruwan tabarau na ido, 50 mm 200 mm ko zuƙowa De Wannan bayani shine inda aka samo kuskure a hoton da ke sama kuma duk wanda yayi ƙoƙarin yin kadastre tare da google yana yaudarar mai shi ko gwamnati
    gracias

  25. Matsalar ita ce jujjuyawar lokaci ba daidaituwa ba ce, ba wai kawai tana motsa su da wani tazara ba saboda an gyara ta a wani wuri sannan kuma ta ruɓe a wani. Na yi amfani da su, zazzage su tare da taswira, sannan gyara su tare da ƙarin wuraren sarrafawa ta amfani da Microstation Descartes ... kuma wannan yana inganta su sosai ...

    Google na shirin hade hotunan geoeye… amma har zuwa yau, hotunan tauraron dan adam ba su da kyakkyawan yanayin sai dai idan sun yi daidai da wuraren sarrafa yankin.

    Ban san wani uwar garke na mafi ingancin (ta google) ba, akwai akwai ayyuka na OGC daga wasu ƙasashe waɗanda ke ba da kayan kansu a cikin hanyar shafukan yanar gizon.

  26. Maimakon ba shi da komai, ba shi da kyau. Ga cadastres tare da tsarin haraji, amfani da ƙasa…. yana da kyau amma ba don cadastre tare da tsarin doka ba, wanda zai haɗa da taken ƙasa…. zai yi wahala a ba wani dukiya ga wani, kuma wannan shine mita 30 a cikin taken maƙwabcin

  27. Barka dai FARKO GAISUWA ME KA BAYYANA GAME DA SABON AIKIN GOOGLE ... NA FAHIMTA CEWA ZASU DAUKA SABON NETWORK NA HOTUNA. KA YI AMFANI DA HOTUNA DAGA GOOGLE DUNIYA DA YADDA KA YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI YI KYAUTA BA?
    A GASKIYA GASKIYA

  28. A GABATARWA, GASKIYAR TSARKAN BAYANAI BA KASA KASA?
    YADDA YA YA SO
    WANNAN DUNIYA RUWA

    GRACIAS

    GIS TRAINING JOL

  29. Ina tambaya, idan yanzu yanzu sabon tauraron zai kasance aiki?
    Ina taya ku murna, don maganganunku, kullum ban sha'awa.
    Gaisuwa.

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