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ArcGIS-ESRIGeospatial - GISGvSIGda yawa GIS

Siffofin GIS na yau da kullum, me ya sa ba su da mashahuri?

Na bar sararin samaniya don buɗewa; sararin samfurori na karantawa takaice ne, don haka sai na damu, za mu kasance da sauki.

Lokacin da muke magana game da "kayan aikin GIS kyauta", ƙungiyoyi biyu na sojoji sun bayyana: babban rinjaye wanda ke yin tambaya
... kuma menene waɗannan?
... kuma akwai masu amfani da su?

Yayinda ƙananan 'yan tsiraru suke a gefe na mataki, da amsoshin kamar:
... Na yi karin ba tare da ba da kudi ba

Ga wasu dalilan da yasa tsarin dandamali ba su kasance a cikin tsari na mafi yawan masu amfani da GIS ba.

1. Kwanan koyo.
ciyawa gis A cikin hali na Grass, don ba da misali, wannan kayan aiki yana aiki tare da Linux da Windows, wanda ke da API a C da kyau rubuce, wanda yana da koyawa cikakke sosai, bayan mun gwada shi mun tabbatar da cewa yana yin ayyukan ARCGis, da ƙari da yawa na kari waɗanda suka kai dubban daloli.

... amma wane ne ya ba ku wata hanya ta GRASS a cikin ƙasar Latin Amurka?

Ba ina magana ne game da horarwa ga masu haɓakawa ba, suna koya da kansu, ba tare da na yau da kullun da masu aiki na bincike na sararin samaniya ba, sarrafa hoto, canza bayanan raster zuwa vector ... abubuwan da GRASS ke yi sosai. Tabbas ba da horon GRASS ya kamata ya zama mai sauƙi, kusan awanni 24 kawai, amma muguwar da'irar cewa babu buƙatar waɗannan kwasa-kwasan kaɗan yana nufin kamfanonin da aka sadaukar don horarwa ba sa tsara taro kan wannan batu. Ba a ma maganar wasu shirye-shirye na kyauta ko kyauta kamar gvSIG, spring, Saga ko Jump da basu da sananne.

Saboda haka gaskiyar cewa tsarin ilmantarwa yana da yawa ya sa masu amfani da tsada ... kamar yadda Linux ke da kyauta, amma sabis na RedHat mai goyan baya yana kashe kudi mai yawa.

gis esri

2 Yana da sauki a hack fiye da koya
A bayyane yake cewa ESRI da AutoDesk sun shahara saboda fashin teku ya ba su hannu… ko ƙugiya. Ko da yake suna da ƙarfi sosai, kayan aiki daban-daban kuma babu shakka sun yarda da wani sanannen kamfani, ƙaramin ko ƙananan kasuwancin da aka keɓe ga yankin zane ya kamata ya saka hannun jari aƙalla dala $ 48,000 a cikin samfuran ESRI kawai don fara sashen haɓaka masu amfani da 5 (ArcGIS, ARCsde). , Editan ARC, ARC IMS… ba tare da GIS Server ba). Don haka dandamali na buɗe tushen zane ne mai kyau ga masu haɓakawa, amma masu aiki na tebur na yau da kullun za su sanya facin ido kuma su kashe $ 1,500 akan layi :).

Taswirar autocad na 3d

3 Zai fi kyau in tafi tare da mafi mashahuri fiye da mafi kyau.
Muna ganin wannan al'ada ko da lokacin da ake kashe kuɗi, mai amfani ya san cewa Mac ya fi PC, cewa Linux ya fi Windows, cewa wasu kayan aikin CAD sun fi AutoCAD; don haka waɗannan dandamali da ke fafatawa kamar David da Goliath sun kasance a hannun "zaɓi masu amfani" waɗanda ke biyan farashi iri ɗaya.

Duk da yake a cikin gasar tsakanin "kusan kyauta" da "tsada", bangon ya zama babba, fiye da sau ɗaya na kasance. dauka ta ƙasar gentile, don amfani da Manifold ... ko da yake ba kyauta ba ne. Don haka, muna amfani da kayan aikin da farashin $ 4,000 kawai don zama Geek, kodayake yawancin masu amfani ba sa lasisi software, amma kamfanoni.

… A ƙarshe, mun ga cewa ya zama wajibi ne cewa manyan kamfanoni sun wanzu, suna karɓar dubban daloli don lasisi don buƙatar wannan fasaha ta dore. Kuma zai ci gaba da zama wani mugunyar da ya zama dole, cewa ƙungiyar ta ci gaba da yin yaƙi daga gefen buɗaɗɗen tushe, kodayake mafi yawan za su ɗauke su Nerds.

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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5 Comments

  1. Amsar wata tambaya da aka aika ta gare ni ta imel:

    GIS da ke gudana akan Apple:
    -QGIS. An gina wannan akan C ++
    - gvSIG. Gina kan Java, ɗan iyakance akan Mac yayin da yake gudana azaman sigar ɗaukuwa. Mafi kyawun amfani da shi shine Linux da Windows
    - Buɗe Jump. A kan Java, amma kafin wannan ya fi dacewa gvSIG.

    Wasu zaɓuɓɓuka suna gudana a kan Paralells, wanda ke sa Windows aikace-aikace su gudu a kan Mac.

    Shawarata:

    Haɗa gvSIG tare da SEXTANTE, ga waɗanda basu ji tsoron Java ba
    Hada qGIS tare da GRASS, ga wadanda suka fi son C ++

    Don ci gaba da yanar gizo

    GeoServer don Java
    MapServer ko MapGuide akan C ++

  2. Ok Jc. Wannan sakon yana daga 2007, a wannan lokacin mun ga juyin halitta na samfurin budewa, kuma dukanmu muna da tsammanin cewa sakamakonsa na ƙarshe zai kasance mai dorewa.

    gaisuwa

  3. Ina tsammanin lokaci ne na kayan aiki don budewa, abin da ake bukata shi ne cewa akwai al'umma da ke tasowa.
    A game da gvSIG, wannan al'umma yana da matukar aiki kuma yana fadada a babban gudunmawa, tare da horon horo a wurare da yawa da goyon bayan fasaha. Gaskiya ne cewa saboda yawancin bayanai da tsarin ke raguwa kuma watakila ArcGIS ko duk wani kayan aiki na musamman ya fi dacewa kuma yana aiki mafi kyau. Amma tambayar ita ce yadda za a tsara bayanai, wato, aiwatar da GIS a cikin hukumomin jama'a da kuma kamfanoni suna girma, kuma al'amuran shine ga kowane mai samar da bayanai don bayyane bayanin su akan tsarin kansu, sa'an nan kuma sanya shi cikin na kowa a cikin bayanan bayanai, ta hanyar bin ka'idodin (WMS, WFS, da dai sauransu) wanda maimakon maimakon rarraba bayanai, ana rarraba su a cikin sabobin da ke rarraba bayanai, da kuma wannan ƙarar aiki, kayan aiki na budewa, kamar yadda gvSIG, aka rubuta a Java, idan yana da amfani.
    Na amince da fare a bude Madogararsa software, saboda a wasu filayen, an cire ƙasar daga cikin mallakar tajirai software (tsarin yadda Drupal, WordPress CMS, elgg. Da dai sauransu)
    Makomar ya kasance a cikin haɗin kai da haɗa haɗin duk kayan aiki na budewa, a ƙarshe Richard Stallman zai kasance daidai.

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