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用户界面数字模型Identifymechanicalfeatures一般过程（另1）一般过程(另2)Createsurfaces－使用曲率分析DefinethecurvatureorradiusvalueorselectapointofthepolygonDefinetheanalysistypeIso-curvaturedisplayReal-timedisplayofcurvaturevalueatcursorpositionThisfunctioncreatesscanscomposedofthepointswherethecurvatureorcurvatureradiusofthepolygonhasagivenvalue－使用曲率分析(2/3)DefineafilteringvalueFilteringvaluesetto500Filteringvaluesetto0－使用曲率分析(3/3)SplitofthepolygonebytheisocurvaturescansCreationofisocurvaturescans(1/2)DefinetheanglevalueDefinethecompassorientationThisfunctioncreatesscanscomposedofthepointswherenormaltothepolygonhasagivenanglewiththecompassdirection.(2/2)CreationoftheisoslopescanSplitofthepolygonbytheisoslopescan修整scans(1/2)定义精度DefinemanuallysplittingpointsonthescanDefinetheorderofeachcurve’sspan通过修整scan创建曲线DefinethemaximumnumberofspansforeachcurveDefineasmoothingfactorifnecessaryDefineananglevalueforautomaticsplitting(2/2)DefinethecontinuitylevelbetweentwoconsecutivecurvesRemoveasplittingpoint(1/3)Definecreationoption:SelectpointsonthecloudConstraintpointtosnapitonthedigitAddapointRemoveapoint(2/3)Movethemanipulatortodefinetheconnectionpointifthecurve’spointisonanothercurve.Activatethetangencydefinitionatapoint(3/3)DefinethetangencydirectionatapointusingthegreencirclesMakethecurvetangenttotheneighbourcurve(Curvesmustnotneedextrapolationtofindanintersection)DefinethemaximumdistancebetweentwocurvestoconsideranintersectionDefinethemaximumlengthofthecreatedcurves(optional)创建曲面创建规范曲面创建自由曲面创建规范曲面(1/3)ActivatetheautomaticmodeforanautomaticrecognitionofacanonicalshapeInformationabouttherecognizefeatureThisfunctionidentifiesacanonicalsurfacefromasetofdigitizedpoints.创建规范曲面(2/3)ChoosetheexpectedcanonicalshapeifthisoneisknownDefineknowninformationaboutthefeatureifavailableDefinetheorientationofthefeatureifitisaplaneDefinethesizeofthefeatureifitisaplane创建规范曲面(3/3)Editthefeatureafteritscreationtokeeponlythenecessarypart创建自由曲面(1/5)SelectpointsonlytotakeadvantageofthefittingcapabilitiesonlyThisfunctioncombinesthepowerofafillingfunctionandafittingfunction.Resultconsistsinalargesurfacecoveringtheselectedpoints创建自由曲面(2/5)SelectpointsandboundarycurvestotakeadvantageofbothfittingandfillingcapabilitiesResultconsistsinatrimmedsurfacecoveringtheselectedpointsDefinetheexpectedcontinuitylevelforeachboundarycurve创建自由曲面(3/5)DefinemaximumdeviationexpectedbetweenthefinalsurfaceandtheselectedpointsDefinetheboundarycurvesDefinethecloudofpointsDefinetheboundaryuse:•Constraint:thesurfacehastopassthruthecurvesandistrimmedbythecurves•Trim:thesurfaceiscomputedonlybyfittingthepoints.Boundarycurvesarethenprojectedonthesurfaceandthesurfaceistrimmedbytheprojection.•Selection:onlythepointslocatedinsidetheboundarycurveswillbeusedforfitting.Notrimmingoperationwillbeoperatedonthefinalsurface.创建自由曲面(4/5)Defineaninitialisationsurfaceifrequired.Thecreatedsurfacewillrespecttheparametrisationoftheinitsurface.Activatethedisplayofthedeviationspikesanddefinetheminimumdeviationdisplayed创建自由曲面(5/5)DefinethemaximumorderforeachspanofthecreatedsurfaceDefinethemaximumnumberofspansforthecreatedsurfaceAskingforonespanwhenfillingafour-sidedareawillproduceasinglepatch.DefinethemaximumdistancebetweenthecreatedsurfaceandtheboundarycurvesDefinethemaximumtangencydefectbetweentocontiguoussurfacesActivatethisoptiontoignorepointslocatedinapipearoundtheboundarycurvesDefinethepiperadiusDefinethesurfacetensionInformationaboutthecreatedsurface