地震波三維可視化系統(tǒng)中的數(shù)據(jù)處理算法研究.pdf

1、同濟(jì)大學(xué)碩士學(xué)位論文地震波三維可視化系統(tǒng)中的數(shù)據(jù)處理算法研究姓名：姚進(jìn)申請學(xué)位級別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：蕭蘊(yùn)詩20040301Abstract————___—_—_^————————__h——____——————h__—●●————_———_—H_—●———_—H——_—————h，————AbstractAccordingtothedevelopmentoftheseismicwavevisualizationtec

2、hnology，thisthesisintegrallyanalyzesthedeficiencyofexistingseismicwavevisualizationsoftware，analyzessystemicallythematuregeologicalmodelingtechniquesinexistence，andintroducesthegeologicalmodelingtechniqueofsurface／bodyce

3、llintegrationonthetheoreticbasisofscientificcalculationvisualizationoilfielddepictiontechniques，numeralanalysismethodsandcomputergraphicsaswellinlinewiththespecialneedsin3DcircumstancesAndinregardtothiskindofmodeling，the

4、scientificthoughts，ideasaswellasdesignschemeandrealizationaboutdissectionandfittingtechniquesin3DgeologicalmodelingareintroducedindetailCompleteworkcanbereducedinfourpointsasbelow：Firstly7currenflymaturesurfaceandsubstan

5、cemodelingtechniquesareclearlyreducedbytheresearchof3DvisualizationdepictiontechniquesandmethodsonoilfieldsAndthemodelingtechniqueofsurface／Ix討ycellintegrationisputforwardasthedevelopmenttrendisconcernedinwhichthe3Dsubst

6、ancedatadisplayisconsideredasfundamentalgoalin3DvisualizationsoftwareBesidesthedissectionandfittingtechniquesin3DgeologicalmodelingaresummarizedandreducedSecondlyDelaunaytriangledissectiontechniqueisintroducedbasedon2Dsp

7、ace，anddevelopedto3Dspace，Processesanddatastructureof3DDelaunaytriangledissectiontechniqueareexplicated，3DdissectiontechniquestogeologicalmodelsareexploredAnditisprovedthat3DDelaunaytriangledissectiontechniquecallcomplet

8、elyreflectthedatatopologicalrelationshipsin3Dspace，andthespatialgeologicalsubstancestructuresaswellThirdlythefiUingtechniquestoNurbscurvedsurfaceareinvestigated，andstepsinfittingtechniquestoNurbscurvedsurfaceareplannedba

9、sedonreal3DgeologicallaysdataAfterwardrealseismicdataofVictoryOilFieldareprocessed，and3DgeologicallaysarefittedAftertheprocessoffittingNurbscurvedsurfaceisprovedthatitcanreflectpreciselythestructureofgeologicallays，andis