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1、摘要关键词：土地整理；ArcGIS；DEM；数字三维模型AbstractAbstractInordertorealizethesustainableutilizationoflandresources,improvethelandutilizationrate,increasetheareaofcultivatedland,Chinaofficiallylaunchedthenationalinvestmentlandconsolidationprojectin2001.Atpresent,withthedevelopmentofDEMapplication,
2、ArcGIStechnologyandthedevelopmentofnationalinvestmentlandconsolidationproject,theintroductionofDEMandArcGIStolandconsolidationprojecthasbecomeaninevitabletrend.Therefore,inthiscontext,thispapertakesBei'anlandconsolidationprojectasanexample,theARCGISsoftwareastheplatform,throughtheco
3、nstructionofthedigital3Dmodeloftheprojectarea,theDEMspaceanalysis,theARCGISsoftwaretogeneratetheprojectareadigitalthree-dimensionalmodel;combinedwithdigitalthree-dimensionalmodeldisplayfunctionandDEMspaceanalysis,theresearchandDiscussiononhowtobetterDEMandArcGISapplicationinlandcons
4、olidation,andputforwardsomefeasibleandeasytooperate.Theresearchconclusionsareasfollows:TheresearchshowsthatthewholeslopeofBei'anis0-2,andtheareais1207.49hm2,whichaccountsfor96.17%ofthewholearea.Byusingtheslopeofslopeandlandusemap,1typesofdrylandand1paddyfieldsastheresearchareaaremai
5、nlydistributedintherangeofIgrade(0-2).Theareais29.39%and60.05%.Bysettingupthecorrespondingelevationplan,theexcavationvolumeis104503.33meters,andtheexcavationvolumeis23.20cubicmeters;theheightoftheearthis96596.63cubicmeters.Theresultsobtainedare24.30and5.7%respectively.Therelativeerr
6、orisand9.5%respectively.Researchatthesametime,combinedwiththeDEMmodelandtheriversystemandroadnetworkdata,designroadconstructionschemeanddrainagescheme.Theroadscheme6.0metersroadbedwidthand0.3metersofftheground,subgradesandstone,sandstonethicknessrequirements20cmand4.0meterswide;drai
7、nageschemeis1.3kmdredgingwaste,including:DouGou(6meterswide,0.9kmlong;DouGou(wideand3meterswide,1.5metersdeep,length0.4kilometers,dredgingthethicknessof1m,atotalofdredgingthetotalearth1700cubicmeters.Intheend,thedesignschemeandthemodeloftheresearchareaareintegrated,andthedesignofthe
8、correspondingtoolis
