Asum GIS, na farko ra'ayi

qgis Idan abokan gvSIG Suna kiyaye alkawarinsu, Litinin 27 na gaba na watan Yuli za mu sami daidaitattun 1.9. Domin yanzu gwajin ya kasance mai girma, bisa ga girman da ake gani a cikin rarraba jerin. Yayin da Litinin ya dawo, lokacin da na yi fatan in sami farin ciki na taya murna ga cikawar kalma, a kan kariyar dakatarwar da masu ci gaba zasu dauka, bari mu dubi Quantum GIS kamar tsuntsu na ganima.

QGIS an ci gaba a C ++ ta amfani da kayan aiki Qt, gudanar akan Windows, Mac da Linux. Wannan aikin ya fito ne a watan Mayu daga 2002, tare da goyon bayan harshen 26 da lasisinsa shi ne 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 hoto da ƙirar keɓaɓɓen abu ne mafi mahimmanci, ba zai shafi rinjaye ba, amma yana da dandano na kamfani (yana sayar) idan yazo ya miƙa shi. Duba wannan 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 ayyuka masu yawa cewa kayan aiki ya inganta sosai, da kyau sosai don kada yayi ƙoƙari na yin amfani da dima. Lokacin da aka fara QGIS kuma ba a samo shi ba, tada wani faɗakarwa; a wannan yanayin Ina yin bita ba tare da sun hada da Grass ba. Lokacin da kake so a ɗauka saitin bayanan Grass, saboda ba'a shigar da aikace-aikacen an rufe ba, don haka ba na bayar da shawarar yin amfani da shi ba tare da shigar da kayan aiki ba.

qgis Gajerun hanyoyi, Adadin umarnin suna da wasika da aka sanya, don haka zaka iya ɗaukar aikin ta latsa wannan wasika. Wannan yana da amfani sosai, na tuna da wannan a cikin AutoCAD yana daya daga cikin mafi kyawun kwarewa idan kusan dukkanin umarnin da aka yi ta hanyar keyboard.

A bayyane, a gefen hagu yana da taswirar da ke nuna yankin da aka taso, tare da aiki tare a hanyoyi biyu. Da amfani sosai, za ka iya zabar wane yadudduka da kake so ka gani a cikin bayyane, kuma zaka iya sauke su a matsayin taga mai iyo zuwa nau'i daban.

qgisTsarin gefe, kawai mai girma, za ka iya jawo furanni a matsayin alamomi zuwa gaba, ana iya yin iyo, kuma tare da maɓallin dama mai sauƙi kunna ko kashe. Har ila yau, yin amfani da nisa yana da sauƙin ja ba kawai a cikin hagu ba amma a cikin ƙarami.

Ƙashin ƙasa, lokacin da nuna allon launi, yana bayyana a yankin, amma kuma yana iya iyo. Kyakkyawan aiki, tare da zaɓuɓɓuka don zuƙowa zuwa layuka da aka zaɓa kuma canza canjin ginshiƙai tare da zane mai sauki. Har ila yau a cikin ƙananan ƙananan yana da ayyuka na bincike kuma zaɓi, kamar yadda yake da Gizon GIF, ba tare da barci mai sauki ba.

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 gpl aikace-aikace, your riba ne a cikin plugins cewa ne sannu a hankali yin al'umma (albeit amfani ba kasancewa a cikin Java), da tsoho ya kawo asali da kuma ze 'yan amma ba su da sauki kamar yadda suka ze: loadable yadudduka WFS, fitarwa zuwa MapServer, kama wani daidaita, ƙara goyon baya ga ra'ayin kamar yadda arewa, sikelin da hakkin mallaka, wakafi-delimited rubutu, yana da wani dxf Converter SHP plugin for georeferencing images, wasan bidiyo GPS, Python wasan bidiyo, Grid tsarawa , da dai sauransu. Amma mafi kyawun abu shine zaɓi don ɗaukar hotunan Grass wanda shine batun raba. Similar to abin da ya faru tare da gvSIG da Sextant ko da yake da balaga da Grass ne nagari, daya daga cikin tsofaffin GIS kayan aikin.

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 asali, kamar sauran kayan aikin, zaku iya ƙirƙirar alamomin na sararin samaniya, kungiyoyi na yadudduka, raƙuman suna da ƙananan kuma iyakar kulawar zuƙowa, sauƙi don ƙara tsarin haɗin kai da tsinkaya; Idan akwai wani abu da aka yi, idan suna da mahimmanci, Qgis zai ceci wannan bayani. Matakan da yawa sun haɗa da barikin ci gaba, wanda muke tunanin yana da kyau.

qgis Yana da matukar ban sha'awa yadda aka haɓaka halayen abubuwa, tun a cikin wannan rukuni akwai shafuka don dukiya masu yawa, alamomi, ƙaddara, ƙididdiga, ayyuka da halayen tabula; duk abin da za a iya adana shi azaman hanyar .qml da aka ɗora don amfani da shi zuwa wasu yadudduka. Wannan tebur yana iyo kuma zaka iya daidaita girmanta da tsawo don dandana. Ko da wannan kwamiti da sauransu za a iya buɗewa a matsayin aikace-aikace na musamman.

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

Zaka iya ɗaukar kayan shafukan yanar gizo na shp, gml, Mapinfo da ddf, ko da yake za ka iya juyawa bayanai daga wasu samfurori ta hanyar musayar OGR. Bugu da kari ƙananan layuka ta hanyar WFS da PostGIS. Sakamakon saiti, ba ka damar saka bayanin halayen lokacin da kake loda Layer.

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 sabon sigogi na samfurin za'a iya yin ta hanyar fayilolin OGR ko Grass. Ana adana ayyukan ne a matsayin XML tare da qgs tsawo, inda aka la'anta lakabi a cikin salon gvSIG.

Amma ga data tace, a cikin aikin da kaddarorin da aka adana bayani dalla-dalla yadda daidaita tsarin, da raka'a, daidaici na gidan goma, kunna topological tace, kunna ko iyakance overlapping polygons a cikin wannan Layer da yanayi karye (irin da haƙuri) na kowane lakabin da aka samo a cikin aikin. Wannan karshen yana da ban sha'awa, ko da yake na yi rawar jiki cewa yana da wani zaɓi da kashi kawai. Har ila yau, Grass dole ne wata 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 gan ta bayan na kaya kayan aikin gyarawa na Grass. Kuma ba ze zama wata hanya ba idan yawancin suna gyaran lasisin lokaci daya, wanda ya fara samun nasara. ugh!

Bayanin bayanan bayanai

Don dalilai na fita da sauri, akwai zaɓi don ajiye ra'ayi a matsayin hoton, da plugin don bugu da sauri, amma ba kamar GVSIG ba, ba shi da tsarin kula da launi na ArcView; amma mai bugawa mai bugawa wanda ya yi mini alama ta karɓa daga gashi, ko da yake yana ba da damar ɗaukar bayanan bayanai, alamu, kwalaye da alamomi, kuma zaka iya ƙirƙirar abubuwa masu yawa don aikin, Ban sami yadda za'a adana su azaman samfurori; littafin ya ce yana yiwuwa. Ina tsammanin cewa a cikin abincin Grass akwai wasu abubuwa mafi kyau ga waɗannan dalilai.

Quantum gis da ArcGIS

Hakika za mu, bayan duniya ta gaba.

28 yana nunawa "Quantum GIS, na farko ra'ayi"

  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. My tambaya ne game da ciyawa da kuma qgis, An hakan ya sa ka ga duka software ta amma Ina da matsala da ba su sani ba, idan aka iyakance shirin ko iyakance ilimi a kan sashi, da tambaya ne, Shin qgis ko ciyawa a koyaushe tace fiye da cikakken ? Ina nufin inda aka kunna snapping, ko aikata kamar auto-da cikakken polygon da daya maƙwabcinsa, wani abu game da irin abu

  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. Estos programas leen los archivos tipo shape file, si es en este formato que tienes los datos de ArcGIS. Lo que tienes que hacer es reconstruir el mxd mediante un proyecto equivalente.
    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. Un proyecto de Quantum GIS con extensión qgs no contiene nada, solo la referencia a las capas que se están llamando. Así que lo que ocupas es ver como convertir esas capas, que puede que sean shape files a dwg o 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, don Allah gaya mani ... Ina da kadan rasa ...

    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. Si, los soportan. Para teledetección Qgis funciona muy bien con Grass y gvSIG con Sextante.

  20. hol, ya so ya sani idan wadannan shirye-shirye a matsayin Qgis, ko ciyawa gvgis goyi bayan comoerciales fayiloli (shp, tab .......) da kuma za a iya gudanar da su teledetccion?

  21. Hola Soï dalibi aiki Geomatica kawai Browsing Na gano game da wannan sabon version ne free kuma zan iya kawo dukkan bangarorin da kebul kyau opsion ga dalibai na ce wannan a matsayin wani dalibi da kuma kyau na gaske guto da 3 iri d kayan aikin amma da na QGIS cewa shi ne da ɗan kama da Argis da kyau a kan batun geoprocessing iya kawai yin sauki buffer hanci idan akwai wani opsion inda shi iya yin mahara buffering ... aver idan na aika misalai na yadda za a sauke hotuna na google duniya tare da sunayen of avenida..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. Tienes razón Tuxcan, la velocidad de proceso de Qgis se percibe mejor que gvSIG. Para ser herramientas libres, han madurado mucho y ahora con estas se puede trabajar como si fuera un programa privativo.

  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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