Geospatial - GISGvSIGqgis

Kodi Java Ndiyofunika Kuphunzira?

Pambuyo pa OpenOffice, Vuze, Woopra, kapena ma applets omwe amagwiritsidwa ntchito m'mabuku ena, amapezeka kwambiri pa mafoni a m'manja, TV, GPS, ATM, ndondomeko zamalonda ndi masamba ambiri amene timasambira tsiku lililonse akuthamanga pa Java.

Chithunzi chotsatira chikuwonetsa momwe zipangizo zamakono za Java zimakhalira ndi chida chokhazikika kuchokera ku 2006 mpaka 2011 poyerekeza ndi C # .net, php ndi Ruby, mwinamwake kutengedwa chifukwa cha ntchito zopezeka.

ziwerengeroJava

Pankhani ya chilengedwe geospatial, C ++ ndi Java ndi maiko awiri aakulu amene anamanga Open ntchito Gwero; Tebulo izi mwachidule chinachake, mutu wa positi ndimaganizira kwambiri kuwonjezera pa ntchito Java koma pa Koyamba (omwe si), kuchokera ku mbali ya Java kuti C ++ ndi kuposa mu ubale 15 kuti 10.

Mapulogalamu a GIS mu C ++

Zotsatira za GIS ku Java

Pa digiri ya Desktop

 

  • kwadzidzidzi GIS. Omwe amayendetsedwa bwino kwambiri mu chilengedwe cha Anglo-Saxon, nthawi zambiri amaphatikizidwa ndi Grass.
  • Grass. Dongosolo lakale kwambiri la OpenSource, loyambirira mu raster.
  • Saga. Wobadwira ku Germany, ndikuika patsogolo pa kafukufuku.
  • Ilwis. Initiative yomwe idabadwira ku Holland, ndipo ngakhale imachokera zaka zapakati pa makumi asanu ndi atatu, chitukuko chake pothandizidwa ndi anthu ammudzi sichabwino.

 

  • gvSIG.  Mwinanso kufalitsa kwa OpenSource komwe kumagawidwa kwambiri m'malo achisipanishi, ndipo mwina yemwe ali ndi masomphenya ovuta kwambiri padziko lonse lapansi. Pakadali pano, zolemba zanga zoposa 100 zikuloza ku chida ichi.
  • SEXTANTE. Cholimbikitsidwa ndi University of Extremadura, chothandizira chachikulu ku gvSIG, ngakhale kuli malaibulale a OpenJump, Kosmo ndipo amalumikizana ndi GRASS.
  • uDig. Ichi ndi chitukuko choyera, ngati sichingagawidwe pang'ono ndi kuthekera kwakukulu, chopangidwa ndi kampani yomweyo ya PostGIS, GeoServer ndi Geotools.
  • Kosmo. Ndimagwira ntchito kuchokera ku OpenJump, wobadwira ku Spain.
  • OpenJump. Cholowa cha njira yaku Canada yotchedwa Jump, yomwe idasiyidwa.
  • CatMDEdit. Ichi ndi mkonzi wa metadata.

Pa mlingo wa seva

  • MapServer. Wofalikira kwambiri, ngakhale ndikuchedwa kupita patsogolo ndikulumikizana kuposa Geoserver.
  • MapGuide OS. Yothandizidwa ndi AutoDesk, yamphamvu kwambiri.

 

  • GeoServer. Itha kukhala seva yogwiritsa ntchito kwambiri.
  • GeoNetwork. Ndi metadast catalog manager, woyenera geoportal kapena nyumba yoyeretsera.
  • Degree. Initiative anabadwa ku yunivesite ya Bonn, ku Germany, ali ndi mphamvu zofanana ndi GeoServer.

Kumalo osungirako mabuku

 

  • GEOS
  • PROJ4
  • FDO
  • GDAL / OGR

 

 

  • Geotools
  • GeoAPI
  • Kuchuluka
  • JTS
  • WKBj4

course-of-javaPazomwe zili pamwambazi, osachepera 5 mwa omwe amapangidwa ku Java adatchulidwa ngati mapulogalamu a OSGeo maziko, ena mu makulitsidwe, pofunafuna zowonjezera ndi kuyanjanitsa.

Zingakhale zosangalatsa kukhala pagome lazambiri zamapulogalamu kuti mukambirane chifukwa chake amakonda kapena kudana ndi Java, mwina zingakambitsiridwe ngati a Pointers apangitsa kuti ntchitoyi ikhale yosavuta kapena ayi, ngati kuchuluka kwa ma multithreading kungakhale ndi mwayi wopitilira zilankhulo zina ngati kulibe makina, ngati chitetezo chili chofananira ; koma pa chinthu chimodzi onse agwirizana:

Zowonjezera, popeza mapulogalamuwa amatha kugwira ntchito pa Windows, Linux, Solaris ndi Mac (kunyalanyaza kuuma kwaposachedwa kwa Steve Jobs). Izi zimapangitsa kuti zikhale zokopa pazomwe zikuyenda padziko lonse lapansi, pomwe ogwiritsa ntchito adzagwiritsa ntchito makina ndi ma asakatuli osiyanasiyana, kuthetsa pafupifupi chilichonse ndi Makina otchuka a Virtual omwe kupatula kugwira ntchito zowerengeka, amathetsa zovuta ndikuwonetsetsa pakati pa kasitomala ndi seva.

Komanso mfundo yakuti Open Source ndi mbali kuwunika, ngakhale Oracle anapeza DZUWA (Java mapulogalamu), ndipo ena kukayikira zimene zidzachitike mothamanga yaitali ndi MySQL (GPL chilolezo), pafupifupi munthu wina mafunso tsogolo wa chinenero cha Java.

Mwinanso zomwe Green Teen idayamba ngati projekiti yolephera kuyendetsa pawayilesi yakanema ndipo VHS silingafanane ndi zomwe Java yakwanitsa kuyika, ngakhale zili ndi zolinga. Mpaka pano, pali mapulogalamu atatu a Java:

 

mankhwala a java

J2SE (Standard Edition), yomwe ndi yomwe imagwiritsidwa ntchito popanga ntchito yogawa ndi ma applests.

J2EE (Enterprise Edition), kawirikawiri kwa zipangizo zamalonda zamagetsi, ntchito zothandizira kutali ndi zamalonda zamalonda.

J2ME (Micro Edition), yomwe imagwiritsa ntchito mafoni a m'manja, GPS ndi makanema a TV.

Learn21 y Globalmentoring iwo ndi zitsanzo zamakono komwe mungaphunzire Java.

 

Kotero, kubwerera ku funso loyamba, ngati Java ndi yofunika kuphunzira ...

Inde.

Golgi Alvarez

Wolemba, wofufuza, katswiri wa Land Management Models. Iye watenga nawo gawo pakukonza ndi kukhazikitsa zitsanzo monga: National System of Property Administration SINAP ku Honduras, Model of Management of Joint Municipalities ku Honduras, Integrated Model of Cadastre Management - Registry ku Nicaragua, System of Administration ya Territory SAT ku Colombia. . Mkonzi wa blog ya chidziwitso cha Geofumadas kuyambira 2007 ndi mlengi wa AulaGEO Academy yomwe imaphatikizapo maphunziro oposa 100 pa GIS - CAD - BIM - Digital Twins mitu.

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