UDig, na farko ra'ayi

Mun riga mun dubi wasu kayan aiki kafin. Bude tushen A cikin GIS yankin, a cikinsu qgis da kuma gvSIG, banda uDig Shirye-shirye marasa kyauta Mun yi kokari kafin A wannan yanayin za mu yi tare da GIS na Intanet Gidan Lantarki mai amfani da Mai amfani (uDig), Daya daga cikin wadanda zuwa a PortableGIS.

Daga ina taso

UDig ne gine-gine Sakamakon bincike, Wanda bayan ya lashe babban kyautar da aka ba da shi GeoConnections, sun zuba jari a cikin wannan kuma wasu ci gaban. Lasisi na uDig shine GNU LGPL, kamfani ɗin shi ne haɗin ci gaban PostGIS Kuma muhimmiyar gudummawar ga Geoserver.

uDig

Ayyukan

Yana da ci gaba mai ban sha'awa, watsar da manyan tarurruka na kayan gargajiya, tare da fuska irin su qgis. Jgrass udig Daga cikin halaye zamu iya ambaci:

  • Gina a Java, a ƙarƙashin yanayin Eclipse (Kamar yadda gvSIG)
  • Da 'yancin saita da ke dubawa ne enviable, kasancewa iya ja windows kusan ko ina, kashe a bango, waje da kuma ciki ja, don rage girman mashiga kuma da yardar kaina gyaggyarawa gefuna Frames.
  • uDigKisa gudun ne sosai kyau (duk da ana game da Java, Na i da ɗanɗanar daga Acer gurin DayaTare da Windows XP). Yana gudanar a kan Linux da Mac, a fili da mafi alhẽri yi.
  • Kamar yadda na karanta vector Formats shi yana da iyaka ga mai hankali fayiloli (ba karanta DGN, KML, dxf ko dwg) amma masu kyafaffen (gml, xml). Abinda kawai ke karanta shi ne siffar fayil.
  • Raster images ma yana da nasa gazawa, amma za ka iya tsaya wa WMS ayyuka da kuma sauran ayyuka na kan layi.
  • Kamar yadda bayanai kanta ne sturdy, ArcSDE, DB2, MySQL, Oracle sarari PostgreSQL/ PostGIS da WFS, don haka yin amfani da wasu daga cikin wadannan za a iya hade vector data ba isa conventionally.
  • uDigGrid, layin barci da kuma labari suna hadedde kamar dai sun kasance layers. Wannan yana da ban sha'awa saboda ba su da ayyukan da ke tattare da ɗawainiya amma na bayanan. Ko da yake ta sanyi ne matsakaici rikitarwa (farko kwaikwayo)
  • Yana yana da siffofin da cewa yin shi m, kamar:
    -kwafin / manna de fasaloli (kamar yadda da yawa GIS)
    -Paste kamar yadda xml en allon rubutu
    -
    symbology sosai m batu, tare da fadakarwa uDig kauce wa matsalolin da colorblind, Crt zaune a yanki, projectors, LCD zaune a yanki, launi bugu da photocopying.
  • Yana da ban sha'awa cewa kayan aiki yakan zo da misali mai kyau, wanda ya haɗa da al'ummar Kanada da kuma bayanan duniya na birane, ƙasashe, lokutan lokaci da hotuna na tauraron dan adam. Wannan tsari yana da matukar kyau don fahimtar ikon ku lokacin da kuka gan shi a karon farko, wanda ya kamata ya la'akari da wasu shirye-shiryen da suka sauke, shigar da kuma samar da babban tambaya.Kuma yanzu cewa **** na yi tare da waɗannan maballin?
  • Domin updates online ne wani m alama da sauran ayyukan kamata la'akari da. A wannan, da ɗan kama da gvSIG, akwai wani shãmaki a farko da ra'ayi, shi ne cewa dũkiya ne a cikin kari ba su da isasshen marketing ko rasa wani direba da cewa ya inganta da amfani (kuma idan officialdom) thread. A kalla tare da wannan online karshe (wanda yana gvSIG) sallame bayan 'yan mintoci na iya ganin da yawa damar da ka samu a cikin Grass kari, JGrass, GASKIYA, Horton Machine Kuma Axios a aikace-aikace na ruwaye, siffofin 3D, GPS, raser da kuma hulɗar hulda.

Jgrass udig

disadvantages

uDig uDig yana yin abubuwa masu ban sha'awa, kamar qGIS an haɗa shi tare da JGrass, amma a matsayin mafita GIS Shin, ba shine kayan aiki mafi mahimmanci ba, Game da ayyukan gine-gine na fasaha da kuma kula da topology, qgis (Tare da kariyarsa ta kawo) kuma gvSIG (ba tare da kari) ba. Duk da yake yana da girma, kuma yana da abin da mai amfani na kowa zai iya buƙatar, yana iya yiwuwa ga mai amfani da damar ci gaban Java; tsarinku internet GIS Yana da hankali don haɗi da bayanai da bincika sabuntawa amma har zuwa wallafe-wallafen yana da kaɗan don bayar da (Geoserver does).

Lee-tsaren 'yan CAD / GIS, An ba su yi nasara a hadawa da al'umma matakin gvSIG, Kuma a cikin wannan mai amfani da bukatar da kuma dabarun ƙawance ne wani muhimmin engine gudun ci gaba, wani al'amari da cewa ba ze za a cimma nasara a cikin gvSIG (a matakin Kanada, amma ba a duniya).

gaskiyar hutu makircinsu Yana sa ka rasa wasu maki, kamar yadda masu amfani da yawa suka zama marasa iko a farkon (a cikin gudanar da ayyukan, kasidu da kuma ra'ayoyin). Jgrass udig Recovers wadannan maki Don sauƙi Wanda ya riga ya san yadda yake aiki, kodayake a cikin falsafanci na daidaitawa Java dole ne mu kula da ma'auni don daidaitattun bayanan kari (wanda ke da hankali) ba ya dubi (a cikin juyin halittarsa) zuwa bishiyar Kirsimeti Ga abin da yake rataye da yawa na figurines cewa wata rana muna rasa, ko jituwa, ko alama, ko lokaci.

Ba a san haka sosai ba Babban hasara (abin da ke faruwa ga mutane da yawa), kasancewa mafita ga ƙungiyar zaɓa ba garantin dogon lokaci, ba a aikace ba Bude tushen; Saboda haka, kadan Tsarin tsarin Daga kwarewa da Takardun, kodayake yarjejeniyar yin sabon yanke shawara na da kyau. Don gari, uDig zai iya zama mafitacin aiki, amma samun tallafi da horo zai iya zama Matsalar ƘungiyaFar daga British Columbia); Yana da yafi m domin gudanar da ayyukan wannan zai ƙunshi keɓancewa da kuma cewa za su sami kasafin kudin don tallafawa (misali, yanayin, yanayin rashin lafiyar).

Baya ga aikin dankali Peru da kuma rahoton Axios, kadan da aka ji daga uDig a Hispanic yanayi. da ci gaba da irin wannan mafita a kasar matakin ya dogara da aikace-aikace manufofin hijirarsa zuwa free software, wani topic da cewa shi ne sosai m a Latin America.

Babban hasara na gani ne uDig dorewa cikin dogon lokaciGaskiyar na zama wani kayan aiki da goyan bayan mai zaman kansa kamfanin da muka haifar da shakku a cikin tambayoyi kamar:

    • Abin da idan Refractions Research ce a ranar da cewa shi ne unsustainable halin kaka ci gaba da goyon baya da kuma ci gaba, wanda zai?
    • Iya ta taimakawa al'umma halitta mai tsauri duniya girma, idan akwai wani high bukatar?
    • Shin ba akwai sauran ayyuka a kan Java / Eclipse cewa aikata wannan, su ne Open Source, Wanne alama don ninka ƙoƙarin?
    • Shin ba ze ze kayan aikin kyauta ne dabarun kamfanonin da suka bar tallafi ba?

Tabbatar cewa mara Open yana da amsoshi masu kyau a sama, amma bai isa ya yi tunani game da ci gaba ba, wanda a kanta yana da wuya a cikin ayyukan kyauta, domin idan muka raba bangarori na fasaha da fasaha waɗanda suke son aiki a fili, batun kudi Shin mai yiwuwa ne a cikin dogon lokaci. Yau muna rayuwa a lokacin da lokacin guguwa ya sa tsarin tattalin arzikin duniya ya rushe, a Takalma A cikin taron zai iya haifar da yakin cewa a rana ɗaya ƙare tare da kyakkyawan alamu, ɓaɗar jakar da ke ƙasa da karɓa ya sa manyan kamfanoni su tafi jahannama a kasa da awa daya.

Wadannan abubuwa, muna samun su yi tunanin cewa da irin wannan zangon (kuma a da shi ne don haka) na maganin da ke bada cikakken 'yanci ga mutum, ya haddasa tarwatsa kokarin da kudi (domin a ƙarshe wannan kudin). 'Yanci na iya zama mai girma cewa wata rana za a iya amfani da shi don watsi da ayyukan ta hanyar yanke shawarar wasu waɗanda ba su da mahimmancin ra'ayin. A cikin wannan, inshora da mutane da yawa sun rubuta, amma dole ne mu ci gaba da yin tunani a hankali, tunawa da cewa wata rana za mu aunaci zuba jari ta hanyar tasiri amma ba ta geofumada ba.

ƙarshe

  • Kamar yadda ci gaba: sosai robust da kuma m, sauran ayyukan kamata koyi ra'ayoyi a nan.
  • Kamar yadda bayani yana babbar gazawar lokacin da idan aka kwatanta da sauran matakin (a farko bugu)
  • Kamar yadda aikin ke tafiya sosai jinkirin da ba ze cikin sauri.
  • Kamar yadda ka tafi a kan gwajin da kari, za mu iya ba ka da maki cewa Naira Miliyan Xari bayan farko da ra'ayi.

12 Yana nunawa ga "uDig, na farko ra'ayi"

  1. JRE6.
    Amma na warware sqljdbc.jar kwashe da lib \ EXT fayil JRE.
    Godiya m.

    Very kyau your blog. Barka da.

  2. Na bayyana cewa na shigar da 1.2 version of uDig a XP. Kamar yadda wannan ya taimaka ...

  3. Na kawai sanya uDig kuma ina son shi.

    Abinda na ƙi ne ba kamar samun dama a BD SQLServer 2008. Lokacin da na yi:
    Add Layer -> DataStores-> MS SQL Server
    Ina samun sanarwa wanda ya ce: "Wannan ma'aikata bai samuwa ba, yana nuna alamar JDBC da aka ɓace, ko kuma imageIO-EXT ba a shigar da ku a cikin JRE ba."

    Kuma an saka su duka tare da GEOSERVER. Shin wata hanya ce ta hanyar zuwa shigarwa na uDig? A GeoServer dole ku matsa wasu ɗakunan karatu zuwa wani babban fayil. Kuma a cikin uDig?

    Idan mutum yana da wani ra'ayi, na gode idan ka taimake ni.
    gaisuwa

  4. Eh, ba shakka za ka iya.

    SQL Server ciki har da 2008 riga ya hada da na sarari goyon baya.

  5. Very kyau your taimako, kwatsam ba san abin da shirye-shirye da harsuna da goyan bayan mika ta capabilities? Shi ne cewa ina yin nazarin geomarketing kuma ina sha'awar wani GIS shirin

  6. Diva ke gudana akan uDIG! Akwai ƙananan kari don sauyin yanayi da kuma yadda ake sarrafawa kamar yadda wannan yake. Wannan aikin ne wanda wasu kungiyoyi suke shiga, wanda a wata hanya ta tabbatar da makomar ta.

  7. Ee, kuna da gaskiya, akwai abubuwan haɓaka masu ban sha'awa, irin na Na'urar Horton, wanda ya haɗa da samfuran dijital mai ban sha'awa da aikace-aikacen ruwa; kuma, tare da na SEXTANTE, Grass da JGrass sun zo da raster da vector functionalities.

    Na yi wasu takaice post sabawa, amma za mu gani a cikin wasu post idan muka yi amfani da kari.

  8. Ka kawai iyakance kanka a yin sharhi. tare da kari yana da yawa

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