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《基于開(kāi)源webgis的鄭州市水資源信息系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn)》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、AbstractThemodelofbuildingthesystemisadoptingopen.sourcedatabasePostgreSQLenhancedwithPostGIStosavedata,adoptingopen-sourcemapserverGeoservertoprovidemapservice,adoptingopen-sourceJavaScriptlibraryOpenlayerstobuildthemapclient,andonthebasisofthesebusin
2、esslogicisencodedwithJavaprogramlanguage.Asthesystem’Sperformanceintherunningtimeshowed,whenthecomputescaleiSmiddle·sizedorsmaller,WebGISbasedonopen.sourceGISplatformiscapableofmeetingthedemandofwaterresourceinformationmanagementwithlowercost,andiSwort
3、hatryonrealizationofGISapplication.Keywords:Open-Source;WebGIS;waterresource;Geoserver;Openlayers;PostgreSQLIii目錄1引言????????????????????????????????.11.1研究背景及意義??????????????????????。l1.2研究現(xiàn)狀??????????????????????????21.2.1國(guó)外研究現(xiàn)狀???????????????????????
4、?21.2.2國(guó)內(nèi)研究現(xiàn)狀????????????????????????31.3研究?jī)?nèi)容?????????????????????????。42開(kāi)源WebGIS????????????????????????52.1GIS???????????????????????????????????。52.1.1GIS定義??????????????????????????????????。52.1.2GIS發(fā)展歷程????????????????????????.52.1.3GIS發(fā)展趨勢(shì)???????
5、?????????????????62.2WebGIS?????????????????????????????????.82.2.IWebGIS概念????????????????????????????????.82.2.2WbbGIS特點(diǎn)????????????????????????????????.82.2.3WebGIS結(jié)構(gòu)模式??????????????????????102.2.4WebGIS實(shí)現(xiàn)技術(shù)??????????????????????ll2.3開(kāi)發(fā)技術(shù)???????????
6、??????????????l32.3.1J2EE????????????????????????????????????.132.3.2XML??????????????...?????????????????????142.3.3JSP?????????????????????????????????????l52.3.4JavaScript?????????????????????????????????..162.3.5Ajax?.??????????????????????????????
7、?????.172.4開(kāi)源GIS??????????????????????????????。l82.4.1開(kāi)源軟件?????????????????????????..182.4.2開(kāi)源GIS平臺(tái)???????????????????????.19IV’目錄3系統(tǒng)總體設(shè)計(jì)???????????????????????..243。l設(shè)計(jì)原則????????????????????????..243.2系統(tǒng)架構(gòu)?????????????????????????.243.3數(shù)據(jù)庫(kù)設(shè)計(jì)??????????
8、??????????????253.3.1數(shù)據(jù)庫(kù)框架????????????????????????.263.3.2空間數(shù)據(jù)庫(kù)????????????????????????.263.3.3業(yè)務(wù)數(shù)據(jù)庫(kù)????????????????????????.273.4GIS功能設(shè)計(jì)??????????????????????。273.4.1地圖服務(wù)?????????????????????????????????..273.4.2常用GIS功能????????????????