网络分析在交通GIS中的应用研究

《网络分析在交通GIS中的应用研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、湖北大学硕士学位论文网络分析在交通GIS中的应用研究姓名：涂海燕申请学位级别：硕士专业：系统分析与集成指导教师：王时绘20080501AbstractWiththefastdevelopmentofthecitytrafficmanagementinformationsystem，carryingouttheoptimizedpathbecomesincreasinglyimportantinthecitytransportation．Thecurrentsolutionisusingpowerfuln

2、etworkanalysisfunctionofGeographicalInformationSystem(abbreviatedasGIS)，thepathprogrammingisthemostdecisivenetworkanalysisfunction，appliedextensive．ButaimedatdifferentGISplatform，carryoutwithdifferentway,thelowlyefficiencyproblemandSOon，stillperplexdevel

3、oper．ThereforeaimatacertainGISplatform，developtheefficientlyoptimizedpathsystemintrafficnetwork,becometheproblemofourc0IK圮m．Thispaperdescribedthespacialdatabasedesignandthe。realizationofthenetworkanalysisintheArcgis9．2indetail．Combinewiththesecureandsurv

4、eillanceinterioremergencyschemesysteminwhichtheauthorparticipatedontheeconomicaldevelopmentarea,inGuiYangcity．QuestforhowtobuildupthegeometricalnetworkofroadlayerfromcitytrafficnetworkandhowtocarryouttheDijkstraalgorithmonthetopologyanalysediagram．Withth

5、ehelpofthenewgenerationmatureGISsoftwareArcgis9．2tocarryouttheshortestpathsearchbetweentwopointsonthecityroad．Researchworkmainlyinvolvesthefollowing：1．ThispaperelaboratetheGeographicalInformationSystem，analyzedthedatamodelofGeodatabaseandthefunctionofthe

6、GISnetworkanalysispoint．2．Designthespecialdatabase．3．Getroadlayerfromtrafficelectronicalmap，setupgeometricalnetwork,setupthestructureoftopology,carryouttheshortestpathusingtheDijkstraalgorithmonthelogicalnetwork．4．Thespecialdata’Squantityisveryhuge，theDi

7、jkstraalgorithmneedtraceallnetworknodes，computingtimewillincreasebydegrees；Thecitytransportationbecomemorecomplicated，maintainroadtopologystructuremoredifficult；Theseneedauthortosolveinthefollowingresearchwork．Keywords：GIS；RouteOptimization；Structureofto

8、pology：Short·pathAnalysis；DijkstraAlgorithm湖北大学学位论文原创性声明和使用授权说明原创性声明本人郑重声明：所呈交的论文是本人在导师的指导下独立进行研究所取得的研究成果。除了文中特别加以标注引用的内容外，本论文不包含任何其他个人或集体已经发表或撰写的成果作品。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式标明。本人完全意识到本声明的法律后果由本人承担。论文作者签名：京焉耗日期：200艿年