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ID:31981363
大小:7.10 MB
页数:186页
时间:2019-01-30
《基于数据技术的城市地下空间特征信息表达与挖掘》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ABSTRACT21协centuryisseeingtherapiddevelopmentofurbanundergroundspaceandinformationtechnology.Asanimportantnaturalresource,urbanundergroundspatialinformationhasgreatsignificanceinurbaninfrastructureconstruction,civildefenseconstructionandurbansustainabledevelopment.Also,asthestra
2、tegicresourcedata,thevalueofurbanundergroundspatialinformationCanbeachievedthroughSharing,integrationandapplications.Fromwhich,greatquantityofusefulknowledgecanbeminedtomeetthepracticalneeds.Thiswillmakethetraditionalundergrounddevelopmenttechnologybloomingintheinformationera,an
3、dstepintotheageofundergroundspaceinformatization.Inthispaper,representationandminingofurbanundergroundspatialinformationareinvestigatedandthemainresearchofthisthesisisasfollows:.Adetaileddescriptionofurbanundergroundspatialinformationclassificationispresented,combining、航tllthest
4、atusandfeaturesofundergroundspaceutilizationinNanjing,athoroughresearchonstratum&geo-investigationinformation,undergroundstructureinformation,undergroundpipelineinformation,constructioninformationandundergroundwaterinformationismaderespectively.Simultaneously,urbanundergroundspa
5、tialinformationcharacterizationisgiven,suchasmulti-resources,diversity,nonlinear,discretenessandspatio-temporalfeatures.TheGeotech-XMLisintroducedandsometechnologiesofGeoteeh-XMLarefullydiscussed,suchasdocumentstructure,documenttypedefinitionandextensiblestyle—sheetlanguage.Onth
6、ebasisofthesetechnologies,wi也theundergroundspaceplanninginformationofHangzhouCBDandtheShanghaiRoadStationgeo-investigationinformationandfoundationpitengineeringinformationofNanjingMetroLine2First—StageProjectasexamples,theundergroundsp。aceplanninginformation,thegeo—investigation
7、informationandtheundergroundstructuralinformationaleclearlyrepresentedinHTMLbyusingGeotech-XML.Thecodesoftheseexamplesarealsoprovidedandthenecessityandinevitabletrendofurbanundergroundspatialinformationstandardisationisanalyzedaswell.Threemodelsofurbanundergroundspatialinformati
8、onminingarediscussedindetail,includingfuzzy-clu
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