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Geospatial - GISGvSIGfarko da ra'ayiqgis

Asum GIS, na farko ra'ayi

qgis Idan abokan gvSIG Suna kiyaye alkawarinsu, Litinin mai zuwa Yuli 27 za mu sami sigar 1.9 barga. Ya zuwa yanzu gwajin ya kasance mai girma, gwargwadon ƙarar da aka fahimta a cikin rarraba jerin. Yayinda Litinin ta iso, zuwa lokacinda nake fatan samun gamsuwa na taya murna da bin kalmar, bisa laákari da tabbaci na rashin bacci da dole masu haɓaka zasu kawo, bari mu kalli Quantum GIS kamar wannan daga idanun tsuntsaye.

QGIS an haɓaka shi a cikin C ++ ta amfani da Qt toolkit, yana aiki akan Windows, Mac da Linux. Aikin ya tashi a watan Mayu 2002, tare da tallafi ga harsuna 26 kuma lasisin sa shine GPL.

Za mu gwada ma'anar 1.02 wanda ya bar ni sosai gamsu don zama kayan aikin kyauta, ana iya sauke shi daga wannan haɗin kuma wannan shi ne shafi na Qgis.

qgis

Yanayin GIS mai yawa

Tsarin gumaka da ƙirar keɓaɓɓe shine mafi kyawun tuba, baya shafar amfani, amma yana shafar ɗanɗanar kamfanoni (sayarwa) yayin miƙa shi. Bayyanar cewa Na soki a baya na gvSIG, saboda a wani lokaci da bayyanar da rashin bambancin kerawa ya sa wani mai sarrafa ya gaya mini "yana kama da shirin tsohon soja, wasu gumakan suna kama da Paintbrush na 8 bits".

qgis

Amma a cikin wannan matsakaici, QGIS yana da kyau, koda tare da sauƙaƙe sauƙi za ka iya zaɓar tsakanin 3 daban-daban jigogi na iconography sosai a hankali, kawai ta hanyar wucewa da linzamin kwamfuta a kan batun ya nuna yadda zahirin zai yi kama.

Abubuwa masu ban sha'awa na Quantum GIS

QGIS yana buƙatar Grass don yawancin ayyukan da wannan kayan aikin ya kafa, yana da kyau don ba kwafin ƙoƙari. Lokacin fara QGIS da rashin ganowa an girka shi, yana tayar da faɗakarwa; a wannan yanayin ina yin bita ba tare da na hada da Ciyawar ba. Lokacin da nake son loda bayanan Grass, saboda ba a girka shi ba na rufe aikace-aikacen, don haka ban bada shawarar amfani da shi ba tare da sanya kayan aikin duka ba.

qgis Gajerun hanyoyi, Dokoki da yawa suna da harafin sanya wasiƙa, kamar ana iya ɗaukar aikin kawai ta latsa wannan wasiƙar. Wannan yana da amfani ƙwarai, Na tuna cewa a cikin AutoCAD ya kasance ɗayan mafi kyawun dabaru lokacin da kusan kowane umarni aka yi ta hanyar maballin.

A bayyane, a gefen hagu akwai taswira da ke nuna yankin turawa, tare da aiki tare a cikin waƙoƙin biyu. Yana da amfani ƙwarai, zaku iya zaɓar waɗannen layukan da kuke son gani a cikin bayyani, kuma za'a iya sauke shi azaman taga mai iyo a cikin girman daban.

qgisFiram ɗin gefen, mai kyau ne kawai, zaku iya ja da plugins azaman layuka zuwa gaba, ana iya yin su yana shawagi, kuma tare da maɓallin dama mai sauƙi kunnawa ko kashewa. Hakanan gudanar da faɗin yana da sauƙi don jawowa ba kawai a ɓangaren hagu ba har ma a cikin ƙananan.

Ƙashin ƙasa, yayin nuna teburin sifa, ya bayyana a yankin, amma kuma yana iya yin iyo. Aiki sosai, tare da zaɓuɓɓukan zuƙowa zuwa layuka da aka zaɓa da canjin faɗin shafi tare da sauƙin jan linzamin kwamfuta. Hakanan a cikin ƙananan firam yana da ayyukan bincike da zaɓi, kwatankwacin yadda Manifold GIS yake yi, ban da sandar matsayi mai sauƙi.

gisDa samuwar wannan dubawa zane ya sa ya fi mai amfani, abin da iframe ne mafi kyau, tuna da ni Microstation, kamar yadda a cikin yanayin, da taga halayen iya tura ba tare da shafi sauran ayyukan.

Bayanan bayanaiYana da kayan yau da kullum na geoprocessing da bincike cewa wani na iya bukatar, a duban farko akwai wasu da ban sha'awa sosai siffofin da cewa fi son a ga a wani lokaci, kamar yadda fTools plugins hada da ƙasa tallan kayan kawa, hydrological da sauransu.

qgis Karin pluginsKamar kowane aikace-aikacen gpl, ribar sa tana cikin abubuwan da al'umma ke yi kadan da kadan (kodayake tare da fa'idar zama ba a Java ba), a tsorace yana kawo abubuwan yau da kullun kuma sun zama 'yan kaɗan amma ba su da sauƙi kamar yadda suke gani: ana iya ɗora su WFS yadudduka, fitarwa zuwa MapServer, kama haɗin kai, ƙara kayan taimako zuwa ra'ayi kamar arewa, sikelin da haƙƙin mallaka, rubutun da aka kayyade ta waƙafi, yana da dxf zuwa shp mai canzawa, kayan haɓakawa zuwa hotunan hoto, gps console, python console, haɗin haɗin kai , da dai sauransu Amma mafi kyawun abu shine zaɓi don ɗora kayan masarufi na Grass waɗanda suke magana daban. Kama da abin da ke faruwa tare da gvSIG da Sextante kodayake girmar Grass abar girmamawa ce, ɗayan tsofaffin kayan aikin GIS.

Abin sha'awa OGR Converter, wanda zai iya maida yadudduka tsakanin daban-daban Formats, kamar SHP, DGN, GPX, GML, CSV, KML, MapInfo da BD sarari via ODBC, MySQL, PostgreSQL, da sauransu.

Daga cikin mafi kyawun: dxf don shp da kml zuwa dxf, na asali amma ba a aiwatar da wasu shirye-shiryen biyan kuɗi ba.

Ayyuka na asaliKamar sauran kayan aikin, zaku iya ƙirƙirar alamun shafi sarari, rukuni na yadudduka, yadudduka suna da mafi ƙarancin kuma iyakar ikon zuƙowa, sauƙi na ƙara tsarin daidaitawa da tsinkaye; idan akwai matakan shp, idan suna da prj, Qgis yana tserar da wannan bayanin. Yawancin matakai sun haɗa da mashaya ci gaba, wanda muke tsammanin yana da kyau ƙwarai.

qgis Yana da matukar ban sha'awa yadda aka daidaita sifofin abubuwan, saboda a cikin rukuni guda akwai shafuka don kaddarorin gabaɗaya, alamomi, metadata, layuka, ayyuka da abubuwan layi; duk abin da za'a iya ajiye shi azaman salo na .qml kuma a ɗora shi don amfani da sauran matakan. Hakanan wannan teburin yana shawagi kuma ana iya daidaita fadinsa da tsayinsa don dandano. Ko da wannan rukunin da sauran ana iya buɗe su azaman aikace-aikace daban.

gis Har ila yau, da ake kira siffofin cewa ze sauki amma da suka gudanar da wani babban mai amfani, kamar aunawa nisa m, shi nuna a cikin wani tabular panel, ciki har da nesa daga kowane sashi da hankali.

Samun dama da gyaran bayanai

Kuna iya ɗaukar shp vector shp, gml, Mapinfo da ddf data, kodayake bayanai daga wasu tsare-tsaren ana iya jujjuya su ta hanyar mai sauya OGR. Arin matakan vector ta WFS da PostGIS. Mai fansa, yana ba ka damar tantance yanayin haruffa lokacin ɗora layin.

Amma ga layer raster, yana goyon bayan mai yawa, banda WMS. Bugu da kari, ya haɗa da karatun OGC WFS, WCS, CAT, SFS, da kuma GML.

Don ƙirƙirar sabbin matakan vector ana iya yin su ta hanyar fayilolin siffar OGR ko Grass. Ana adana ayyukan azaman XML tare da ƙgs na qgs, inda aka adana tsarin salo na gvSIG.

Dangane da gyaran bayanai, bayanai dalla-dalla kamar tsarin daidaitawa, raka'a, daidaitaccen adadi, mai ba da damar gyaran rubutu, izini ko iyakancewar polygons masu jujjuya wa a cikin tsari iri daya da yanayi na kamawa (iri da haƙuri) ga kowane Layer da ke cikin aikin. Thearshen yana da ban sha'awa, kodayake na yi takaici cewa kawai yana da zaɓi na yanki da na ɓoye. Nace, Grass dole ne ya zama hujja ga wannan.

Na yi ƙoƙari na shirya wani Layer, shigar da wata kalma, amma na tsammanin yana da jinkiri, ba tare da buƙatar ƙara ƙarin zaɓuɓɓuka ba.Yi hakuri na damuwa, shi ne karo na farko na wasa wannan wasa). Zan ganta bayan na loda kayan aikin tace Ciyawar. Hakanan babu alamar waƙa idan da yawa suna yin gyaran layi ɗaya lokaci guda, duk wanda ya fara cemasa yayi nasara. ugh!

Bayanin bayanan bayanai

Don dalilan fitarwa cikin sauri, akwai wani zaɓi don adana ra'ayi azaman hoto, da kuma abin talla don saurin bugawa, amma ba kamar gvSIG ba, ba shi da ikon sarrafa fasalin ArcView; amma mawallafin bugawa wanda a ganina an ɗan ɗauke shi daga gashi, kodayake yana ba da damar ɗora bayanai, tambari, kwalaye da alamu, kuma ana iya ƙirƙirar abubuwa da yawa don aiki, ban sami yadda zan adana su azaman samfura ba; littafin yace mai yiwuwa ne. Ina tsammanin akwai abubuwa mafi kyau a cikin plugins na Grass don waɗannan dalilai.

Quantum gis da ArcGIS

Hakika za mu, bayan duniya ta gaba.

 

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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28 Comments

  1. Sannu, Na fahimci cewa freeware ne, duk da haka ba na Qgis ba ne kuma ba Free Software ba ne don haka yana da hikima don yin wannan ajiyar a cikin shafin. Bayan duk yana da alama cewa sauran su ne mafi kyau.

  2. Tambayata game da ciyawa da qgis ne, na koma kan dukkan manhajojin biyu amma ina da matsala kuma ban sani ba ko iyakancewar shirin ne ko iyakan ilimi ne daga bangarena, tambayar ita ce, shin qgis ko ciyawa suna da ingantaccen tsarin koyaushe ? Ina nufin kwacewa a inda aka kunna su, ko yadda ake yi, misali, kammala polygon kai tsaye tare da makwabci, wani abu da ya shafi irin wannan

  3. Shin akwai yiwuwar yin buffer mai lamba tare da qgis 1.7?

  4. AutoDesk yana da aikace-aikacen da ka sauke don kyauta, ana kiran shi gaskiyaView, tare da wannan zaka iya juyawa fayil dwg zuwa hanyar dxf

  5. Abokan abokan hulɗa na Hello, wannan tambayar ne kamar haka, ta yaya zan iya bude fayilolin fayiloli na .dwg a Quantum Gis? Dxf2Shp plugin ɗin yana nufin kawai dxf.

    Mafi kyau

  6. Wadannan shirye-shiryen suna karanta fayilolin fayilolin tsari, idan yana cikin wannan tsarin cewa kana da bayanai na ArcGIS. Abin da zaka yi shi ne sake gina mxd ta hanyar amfani da aikin daidai.
    Idan bayaninka yana cikin geodatabase, zaka iya shigo da shi.

  7. maraice maraice wanda zai iya taimaka mini in tafi daga ArcGis zuwa Kosmo ko gvsig ko wasu kayan aiki kyauta, ina bukatan shi da gaggawa saboda yana ƙyamar ƙarshen wani al'amari na gode sosai.
    imel ɗin shi ne ocamfitraldo@gmail.com

  8. Ina nazarin polygons ta hanyar amfani da tsohuwar rubutun WMS a matsayin tushe.

    GVSIG: Hoton yana ɗaukar sauri, amma zuƙowa lokacin da motsi ta cikin rubutun shine rikici

    Kosmo: Hoton yana ɗauka sosai sannu a hankali, ko da yake yana da mafi kyau don daidaitawa

    QGIS: Haka kuma Kosmo, mafi sauƙaƙe don digitize, hoto na iya ɗaukar shekaru da yawa don ɗauka.

    Wane matsala za a iya kasancewa cikin kowannensu?

  9. Aikin samfurin GIS tare da qgs tsawo bai ƙunshi kome ba, kawai ƙaddamar da layin da aka kira. Don haka abin da kuke da shi shi ne ganin yadda za a canza waɗannan layuka, wanda zai iya zama fayilolin fayiloli zuwa dwg ko dxf.

  10. Shin kowa ya san yadda zan iya wuce fayil mai yawa zuwa Autocad?
    Gracias

  11. don sauke hoton zane-zane na Spain zaka iya amfani da osm

  12. Hello.
    Ina yin hanyar GIS na kan layi a cikin wani yanayi na kosmo. Kuma na ci karo da ƙananan matsala. Lokacin da na bayar da aikace-aikacen da ke da manufar ƙirƙirar raster, zan rufe shirin.
    Shin kowa yana da wata ra'ayin dalilin da yasa zai iya zama?

  13. Very kyau!
    Ina so in san inda zan samu DIGITALIZED CARTOGRAPHY daga Spain (musamman daga Valencia) don iya amfani dashi tare da shirin QUANTUM GIS.
    Don Allah, idan kuna da wani bayani, ku sanar da ni ... Na ɗan ɓace ...

    Gracias

  14. Na gode, kuma ba su san ko idan ka shirya don ƙara wani module domin fitowa ba tare da tenr auku shapefile tun tasirin da yadudduka iri Lines, maki, polygons da kuma tasirin ne a daban-daban yadudduka, sau da yawa na bukatar kawai ra'ayi da kuma za a yi wadannan an dauki matakai

  15. Dole ne ku canza shi zuwa fayil ɗin fayil, kuna zuwa Plugins, sannan ku zaɓi dxf2shp

  16. Shin wani ya san yadda zan iya bude dwg da fayiloli dxf a cikin jimla?

  17. Ya kamata ku bayyana matsalarku da yawa:

    Kuna san yadda za a zana ma'ajin kml?
    Shin ya aiko muku da saƙo?
    Sanya Layer a cikin sashin layi amma ba ku ga abubuwa ba?

  18. Ba zan iya shigar da fayiloli km daga 5.0 version of google duniya ba wanda zai iya taimaka mini inganci gis ver 1.2
    gracias

  19. Haka ne, suna goyon bayan su. Ga magungunan Qiz yayi aiki sosai tare da Grass da GVSIG tare da Sextante.

  20. hol, Ina so in sani idan waɗannan shirye-shiryen kamar Qgis, gvgis ko ciyawar suna tallafawa fayilolin kasuwanci (shp, tab).) Kuma shin za'a iya sarrafa su don hangen nesa?

  21. Barka dai, Ni dalibi ne na aikin Geomatics, kawai yin bincike na gano game da wannan sabon sigar kyauta kuma zan iya ɗauka ko'ina tare da kebul, menene kyakkyawan zaɓi ga ɗalibai na faɗi shi a matsayin ɗalibi kuma da gaske ina son nau'ikan kayan aikin 3 amma fiye da QGIS wannan wani abu ne mai kama da Argis kuma yana da kyau a batun jujjuyawar kasa zan iya yin hanci mai sauki kawai idan akwai wani zabi inda zan iya yin shafuka da yawa… duba idan ka aiko min da misalai na yadda ake saukar da hotuna daga google duniya tare da sunaye na babbar hanya..grasias ..

  22. Don haka zaka je:
    Ƙara-kan / OGR mai canzawa / gudu OGR Layer Layer

    Daga nan kuma za ka zaɓi fayilolin asali (source), zabar tsarin tsarin kilomita, da kuma harshen wuta

    Bayan haka, a ƙasa za ku zaɓi manufa (manufa), kuma zaɓi abin da kuka juyo da su don shp

  23. Tambaya a cikin 'yan kwanaki da suka wuce shigar da qiz Ina so in san idan yana yiwuwa a canza fayilolin kml don yin shp kuma yaya za

  24. Kana da Tuxcan mai kyau, hankalin Qgis ya fi tsinkaye fiye da gvSIG. Don zama kayan aikin kyauta, sun yi matukar girma kuma a yanzu tare da waɗannan zaka iya aiki kamar dai shi ne shirin na kayan aiki.

  25. Ina son ayyukan GVSIG da Quantum GIS, wanda duka alkawurra ne da yawa da kuma kayan aikin GIS. Duk da haka, wani lokacin jinkirin aikace-aikacen JAVA, wanda ya bambanta da kadan game da ƙaddamarwar QGIS mai mahimmanci, dole ne a karfafa shi. Babban abu game da QGIS shine API a Python don tsara aikace-aikacen aikace-aikacen kwamfuta, da haɗinta zuwa GRASS GIS da kuma goyon baya ga nau'i-nau'i daban-daban. Daga gvSIG Na jaddada muhimmancin aiki ta hanyar SEXTANTE GIS da kuma manyan hanyoyin da za a haɗa da na'urori masu hannu, 3D gani, wallafe-wallafe, amma na nace da wasu LENGTH na kisa. Daga cikin raunin da kayan aiki ke da shi ne taswirar taswirar, saboda a yanzu an yi bayani kaɗan. Ina tsammanin yana da kyau idan a wani lokaci za su iya haɗawa da kayan aikin gyara na KOSMO ko OpenJUMP, wanda na sami cikakken cikakkiyar sada zumunci.

    Dukkan ayyukan biyu suna da kyau kuma sunyi amfani da su a hanya mai ban mamaki ta hanyar GIS na kyauta, wannan shine dalilin yasa 'yanci na software, don ba mu damar zaɓar abubuwan da suka fi dacewa da bukatunmu.

  26. Gaskiya ne, yana da kyau don karɓar bayaninku na blog. . . Taya murna daga Patagonia Argentina

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