利用Excel绘制误差椭圆的方法_王永(4)

TheConstructionofInformationManagementSysteminFundamentalSurveyingandMappingBasedonMapInfo)))Combiningwiththeprojectexamplesinfun-damentalsurveyingandmapping,thispaperintroducesthemethodofconstructingthemanagementsysteminfunda-mentalsurveyingandmappingbasedonMapInfo.Practiceprovesthattheconstructionofthissystemprovidesanewthoughttosurveyingmanagementanditisgoodforpromo-ting.(ChenWeiqingeta.l)TheDiscussiononRelatedProblemsofTownshipCadastralSurveyinTheSecondTerritoryInvestigation)))Withcomprehensivedevelopmentofthenationalsecondlandin-vestigation,somerelatedquestionsandpointsforattentionalsograduallyappear.Whetherthesequestionsarepro-cessedappropriatelydirectlyinfluencesthecontinuationoflandworkandlandmanagementinthefuture.Sothesequestionsandtheirtreatmentmethodsarediscussedinthispaper.(LiuQingyuaneta.l)

ApplicationofOracleSpatial10ginIntegratedManagementofMulti-Sourceminingareas'EnvironmentalInformationData-base)))TakingDemands-CountermeasuresTheoryastheguide,thispaperanalyzesthetechnologyadavantagesandtechnologyconditionsofOracle10gSpatialwhensolvingthelarge-scaleparallelprocessing,thestorageofmultmiediaandobject-orienteddatatypesandtheopeningupofaccessinterfaceofmineareaenvironmentalinformationdatabase;Then,themethods,processandthefinalstoragestructurehowtoconstructspatialdatabaseareintroduced.Finally,atypicalexampleofminewaterenvironmentaldatacollectionispresentedindetai.lTheresultsshowstha:tOracle10gbasedontheintegrationoforiented-gridandobject-relationspro-videsfeasibleandoptmiizedsolutionstotheconstructionofenvironmentalinformationdatabaseinmineareas,anddis-tributedandopendatainterfaceforinformationserviceandscientificresearchofmineenvironmen,twhichhasbroadap-plicationprospects.(HeYuanrongeta.l)

AnApproachtoQualityEvaluationforGeneralizedPointsFeatures)))Qualityevaluationforthefeaturesongener-alizedmapshasbeenpuzzledcartographersforyears.Inlightofthecartographicinformationtheory,aviewpointthattherearefourtypesofinformationcontainedbypointsfeaturesonmaps,.ie.statistic,thematic,topologicalandmetricinformationareproposed,andthemeasuresforthedescriptionoftypesofinformationarepresented.Further-ly,anapproachtoqualityevaluationforgeneralizedpointfeaturesispresentedindetai.l(ShiJianyongeta.l)DesignandRealizationofCampusGeographicInformationSystem)))OnthebasisoftheVB6.0develomentenviron-mentwithMapObjects2.2conrolcomponents,takingonecam-pusasanexample,thecampusgeographicinformationsystemaredesignedtomanageeffectivelyboththespatialdataandtheattributivedatainthispaper.(WangChunbo)

ConstructionofLargeScale3DTerrainSceneWithX3D)))Thevirtualrealitytechnologyhasbeenwidelyusedineachfieldofthesociety.Tobethenext-genera-tionofVRML,X3DmiprovesuponVRML97withnewfea-tures.BasedonanalyzingthecharacteristicsandsyntaxofX3Dandcombingtheexistingvirtualrealitytechnology,thedevelopmentprincipleandtechnologytoconstructthelargescale3DterrainscenearestudiedbasedonX3D.F-i

nally,onecasestudyispresented.(XuLeieta.l)StudyandImplementofWebGISBasedonASPCompo-nents)))TraditionalGIScannt'Solvetheproblemoftheloadbalancebetweentheclientsideandtheserver,soit

ENGLISHABSTRACTSOFMAINARTICLESINTHISISSUE

restrictedtheareaofitsapplication.ThedistributedWeb

GISpatternbasedonB/Scansolvetheloadbalancebe-tweenthemperfectly,anditcanexertthecapabilityoftheclientsideandtheservermuchbetter.Inthispaper,withtheintroductionofASPanditscomponents,thegeneralstructureofWebGISisanalyzed,technologyofWebGISbasedonthree-layerarchitectureisdiscussed,andbrowseofclientbyASPisrealizedbyapplyingtechnologyofcomponentsinWebserver.(LiuZhitaoeta.l)

TheMethodofRenderingErrorEllipsebyUsingExcel)))Errorellipseisanmiportmentcontentinsurveyingadjustmentteaching.AsanofficesoftofWindowsincommonuse,Excelhaspowerfulfunctionsofdatacalculatingandprocessing,anditcanachievedatavisualization.Inthispaper,errorcurveisrenderedusingpowerfulfunctionsofExce.lItisprovedthatthismethodhassmiplyoperating,audio-visualadvantages,andisverysatisfied.(WangYongeta.l)

StudyontheIntersectionStationGottenbyOneAngle)))Thispaperputsforwardanewmethodtomeasurethecoor-dinatesofdetailpointswhichareinthesamelineonlyifthetworandompointsinthelinearecollected.Thecoord-inatescanbecomputedbygettingthebearingdatawhichisnamedbearingintersection.Generally,onlythebeginningandendinginthelineareenough.Butthedatacollectedhastobeadjustedtoadvancetheaccuracyifmorethantwopointsareintheline.Inaddition,thepaperalsodiscussestheprincipleofthemethodandanalysisitsaccuracyac-cordingtotheoryandpractice.Conclusionshowsthatthemethodisavailabletomeasurethecoordinatesofpointsinthesameline.(ZhangYekai)

ResearchonFoundationStabilityaboutBuildingNaturalGasPipelineonCoalMiningSubsidenceArea)))Forsurfacemovementdeformationcausedbycoalmmiingsub-sidencewillgiverisetodamageinfluence,evencausegreatsafetyaccident.Basedonthis,thetargetofthetextistoscientificallyappraisedynamicdevelopmentofsurfacede-formationinsubsidenceareaanditsinfluencetogroundw-orkstabilityofnaturalpipe,andthenadoptsometechnicalmeasurestoensuresafecirculationofnaturalpipeline.Startingfromthistarget,thetextanalysestheinfluencetonaturalpipelinefromcoalminingsubsidenceinthewayofpipelinegradevariation,verticalcurvevariation,land-scapeorientationdeformation,horizontalpullandcompres-siondeformationandpipestressetc;thetextdescribesde-tailedsurfacesubsidenceproductanditsusedtmieamonginitialphase,activephaseanddeclinephaseinthecourseofsurfacemovementdeformationtmie;inthecontextofconsideringsurfacesubsidencethatdoesnt'reachbasicla-tterendandresidualsubsidenceproduct,thetextdiscussionthecalculationmethodofresidualdeformationinsurfacesubsidencearea;overtheanalyisiabove,thetextgivesthetechnicalmeasuresaboutbuildingnaturalgaspipelineonsubsidencearea.(ChangXikuneta.l)

DesignandConstructionofNon-SurveyingSpecialtySurvey-ingPracticeBase)))BasedonculturalamiinspecialtyofCivilEngineeringanddevelopmentofsurveyingsubjec,tac-cordingtothesurveyingcourseofCivilEngineeringmajorofuniversitiesfornationalitiesandatthecampusfac,tsomead-vicesaboutestablishingsurveyingexercitationbaseareintor-ducedinthispaper.Thepurpose,method,miplementingstepandfunctionsofsurveyingexercitationbasehavebeenintro-duced,whichgettheconditionstogoastepfurtherforthere-formofsurveyingteachingpracticetothespecialtyofnon-surveyingengineering.(SuoJunfeng)