资源描述：
《gis服务子系统》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、GIS服务了系统ElectronicmapdataSystemintheelectronicmapdataprovidedbythesupplyunitmap,mapsupplyunitaccordingtotheselectedunitspecificelectronicmapdatarequirementsintermsofelectronicmapdatacollection,processing,production,cooperatewithselectedunitintheelectronicmapdata,oftheconstruc
2、tionoflibrary,selectunitstosubmitelectronicmapdatarequirementsspecifications,responsibleoftheconstructionoftheelectronicmapdata,warehousingandimagesprocessing,thevectordataconversionmapsuppliersChengShandata,directlybyrasterdata,toimprovetheexecutionefficiencyofthesystemandpr
3、intthemap)andstyle(includingfont,icon,thecolorofthelabelstyle)・Withelectronicmapdataforstandsrdizationandlabelingrequirements,canbecompatiblewithmanymainstreamstandardofGISdata,thesystemshouldhavegoodabilityofmapprojectiontransformation,thecapacityofthespatialdatabaseshouldbe
4、abletomeettherequirementsofthepoliceinformationexpansionability,andtoconsiderthedataforqueryoptimization,dataengineaccesstohugeamountsofdata,toensurequickresponsespeed,multi-sourcedataintegrationprocessshouldbesolvedvectorgridintegration,themulti-resolutiondatacompatibility,s
5、eamlessdataprocessingproblems,ensuretheaccuracyofthedataandtheaccuracyandmakethesystemhasagooddataupdateandexchangecapacity・Electronicmapdataincludinglayeringfoundationgeographicalinformationdata,andpoliceinformationdata,basicgeographicinformationdatahierarchy,withresidents,t
6、raffic,independentfeature,busstops,streetlightpole,watersystem,vegetationandboundarylayer;Thepoliceinformationdataislayeredwithcamera,alarmpoint,alarmlocation,patrolarea,policestation,patrolcar,dutyforce,serviceandcase・Theelectronicmapdatashouldmeetthespecificationrequirement
7、softhe"videomonitoringGISmanagementplatformelectronicmapdatarequirementsspecification".Theselectedunitsmaymakechangestotherequirementsoftheelectronicmapdataaccordingtotheactualsituation,buttheymustensurethattheelectronicmapdataspecificationissuperiortotheaboverequirements・Pla
8、tformstructure:TheGISservicesubsystemwillbedeployedinthemonitoringce
