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1、II万方数据AbstractWebGISistheproductwhichthewebtechnologyandtheGIStechnologyunify,isonekindbrand-newinteractive,distributionalandthedynamicgeographicinformationsystem,itbecauseofhasmanymeritstobecomeoneofrapidlypresentGISdevelopmentmostimportantdirections,andobtainedthewidesprea
2、dapplicationinmanydomains.WebGISinthegasdisasterpreventioninrecentyearsalsohavesomedevelopment,buttheWebGISasarichandimprovedmeansofgasgeologicalmapoftheestablishmentofresearch,little.Inthispaper,theprocessofthecurrentgasgeologicalmapdataforthelagandlackofcontinuousdatamine,
3、completemanagementofthestatusquo,forthenetworktosubmitgasinformation,networkdatabasefordatamanagementresearch;andtechnologydevelopmentbasedonWebGISgeologyofminegasinformationinquirysystem,toachievethenetworkofgasgeologicalinformationvisualization,notonlyforWeiKuangsideandgas
4、geologicalTucompilersprovideaplatformforanexchange,thesystemofthegasdisasterpreventionandcureofpracticalsignificance.theprimarycoverageisasfollows:(1)carriedontothegasgeologicmap'sfunctionandtheprincipleandtheprimarycoverageandthemethodintroducedthatbasedonthisandhasdetermin
5、edthegasinformationdailypaperform.(2)dividedtworankstorealizetheaverageconsumerandthemanageruser'sdebarkationmanagementandthegasgeologymessagedatanetworksubmissionandthemanagement.(3)ThedefinitionoftheWebGIS,featuresandfunctionsareintroducedandcomparisontoitsarchitectureandt
6、heconstructionmethod.(4)InthemajordomesticandinternationalcomparativeanalysisofWebGISpublishingplatformbasedontheproposedmapserver.BasedArclMS9.2fortheconcreteimplementationoftechnicalsolutions,andthesystemenvironmentandarchitecture,aswellasArclMStheworkingprincipleindetail.
7、(5)VectorCADfiles,Mapserver'ssetup,implementationofelectronicmapsreleased,andMainfunction'sintroduce.III万方数据(6)BasedonthecombinationofthetwoDongPangKuanggas-geologydescriptionoftheprojectofminegasgeologyWebGISbasedoninformationmanagementnetworktechnologyandapplication.Exampl
8、esareintroducedindetail,andtheoperatingfunction,themapqueryfunctionsandinte
