Geospatial - GIS GvSIG qgis

Shin Java yana da Darasi?

Bayan OpenOffice, Vuze, Woopra, Ko applet cewa watsa kan wasu yanar, shi ne sosai mobile sakawa tsarin, TV, GPS, ATMs, kasuwanci da shirye-shirye da kuma da yawa daga cikin shafukan da kullum ze tashi suna gudãna a kan Java.

Wadannan ginshiƙi nuna yadda Java fasahar yana da karfi yankin steadily tun 2006 2011 idan aka kwatanta da C # .net, PHP, kuma Ruby, yiwu dauka wadannan aiki tayi.

statisticsJava

A game da matsakaici na geospatial, C ++ da Java su ne manyan duniyoyi biyu wadanda aka gina aikace-aikace na Open Source; Wadannan tebur ya takaita da wani abu, jigo na post na mayar da hankali a kan habaka a kan aikace-aikacen Java amma da farko duba (wanda ba), daga gẽfen Java zuwa C ++ an wuce a wata dangantaka 15 zuwa 10.

GIS aikace-aikace a C ++

GIS aikace-aikace a Java

A matakin Mataki

jimla GIS. Mafi aiwatarwa a cikin yanayin Anglo-Saxon, gabaɗaya tare da Grass.
Grass. Tsohon tsarin OpenSource, tare da fifiko a raster.
Saga. Haife shi a cikin Jamus, tare da mai da hankali kan bincike.
Ilwis. Initiative wanda aka haifa a Holland, kuma kodayake ya fito ne daga tsakiyar shekaru tamanin, haɓakar sa a ƙarƙashin haɗin kan al'umma mara kyau.

gvSIG. Wataƙila aikace-aikacen OpenSource da aka fi rarrabawa cikin yanayin Hispanic, kuma wataƙila wanda ke da hangen nesa game da ƙasashen waje. Har zuwa yau fiye da 100 na labarin na nuna wannan kayan aiki.
GASKIYA. Jami'ar Extremadura ta haɓaka, babban haɓaka ga gvSIG, kodayake akwai ɗakunan karatu na OpenJump, Kosmo kuma har ma tana hulɗa da GRASS.
uDig. Wannan tsarkakakke ne, idan ba a ci gaba da rarraba ci gaba tare da babban damar ba, wanda kamfanin PostGIS guda ɗaya, GeoServer da Geotools suka ƙirƙiro.
Kosmo. Ina aiki daga OpenJump, haifaffen Spain.
OpenJump. Gado na wani yunƙurin Kanada wanda ake kira Jump, wanda aka daina.
CatMDEdit. Wannan editan metadata ne.

A matakin uwar garken

Taswirar Sabis. Yaɗu sosai, kodayake tare da jinkirin ci gaba da haɓakawa fiye da Geoserver.
Taswirar Taswira. AutoDesk yana tallafawa, mai ƙarfi sosai.

GeoServer. Yana iya zama uwar garken bayanan da aka fi amfani da ita.
GeoNetwork. Manajan kundin adireshi ne na metadast, wanda ya dace da gidan kayan kwalliya ko fili.
Degree. An fara shirin ne a Jami'ar Bonn, Jamus, tare da damar da ya dace da GeoServer.

A matakin kantin sayar da littattafai

GEOS
PROJ4
FDO
GDAL / OGR

Geotools
GeoAPI
Baltik
JTS
WKBj4

hanya-of-java Daga sama, akalla 5 daga waɗanda aka haɓaka a cikin Java an lasafta su a matsayin ayyukan ayyukan OSGeo, wasu a cikin shiryawa, a cikin neman ci gaba da kuma haɓakawa.

Tebur zagaye na ƙwararrun masanan shirye-shirye zai zama mai ban sha'awa don magana game da dalilin da yasa suka fi so ko ƙin Java, ana iya tattaunawa idan Maƙallan suna sa tsari ya zama mai sauƙi ko a'a, idan ƙarfin yin karatu da yawa zai sami fa'ida akan sauran harsunan idan babu wata na'ura ta zamani, idan tsaro yana dangi ; amma akan abu daya duk zasu yarda:

Gaskiyar kasancewa gicciye-dandamali, tunda aikace-aikacen na iya gudana akan Windows, Linux, Solaris da Mac (yin watsi da taurin kwanan nan na Steve Jobs). Wannan ya sa ya zama kyakkyawa ga aikace-aikace tare da faɗin duniya, inda masu amfani za su yi amfani da tsarin aiki da masu bincike daban-daban, suna warware kusan komai tare da sanannen Mashin ɗin Virtual wanda baya ga yin ayyuka da yawa da aka karanta, yana magance matsalar ɗaukar hoto da samar da ingantaccen tacewa tsakanin abokin ciniki da sabar.

Har ila yau, da cewa Open Source ne wani al'amari a tantance, ko da yake Oracle samu SUN (Java developer), da kuma wasu a cikin shakka da abin da zai faru a cikin dogon gudu tare da MySQL (GPL lasisi), kusan babu wanda Tambayoyin nan gaba na harshen Java.

Zai yiwu abin da Green Teen ya fara azaman aikin da ya gaza don gudana akan telebijin kuma VHS bai zama daidai da abin da Java ta samu ba a matsayi, kodayake yana cikin manufa. Zuwa yau, akwai aikace-aikacen Java guda 3:

kayayyakin java