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1、*Surface Creation-Global Offset-create an offset surface with constant distance from the original surface.,*Surface Creation-Global Blend-generates one or several blend patches between two connecting edges.-The connecting edges may consist of several segments,*Surface Creation-By Curves(N-Sided Blen
2、d)-Using this function you may create an n-sided blend,e.g.to fill a gap in a surface.,多邊型的面，至多12個邊,*Surface Creation-Profiles,-a profile surface is created by dragging one or several profile curves along a spine curve.-The spine consist of one or several connected curve segments,and must be tangent
3、 continuous,.-The profiles are along the spine curve by the local coordinate system,defined by the moving frame type.-If several profiles have been selected,they must have the same number of sharp bends.-The profiles must be connected to the spine curve at different positions.-If an attachment geome
4、try is specified,the intermediate profiles are attached to it.-the profiles may be adapted to additional geometry,the limit geometry,by rotating or sliding.,The Main Menu Profiles,指定軌跡(spine)與截面(profile)做掃出,The Parameter Menu for the Moving Frame Type,Priority is set to Tangent-3D radial(default set
5、ting):z-axis=tangent of the spine curve y-axis is determined by the vectorPriority is set to Vector-radial in direction of the vector:y-axis=vector z-axis is determined by the tangent of the spine curve,Priority is set to Tangent:x-axis=connection to the corresponding point on the second curve z-axi
6、s is determined by the tangent of the spine curvePriority is set to Vector:x-axis=connection to the corresponding point on the second curve y-axis is determined by the vector,Priority is set to Tangent:y-axis=surface normal z-axis is determined by the tangent of the spine curve Priority is set to Ve
7、ctor:y-axis=surface normal x-axis is determined by the vector,*Surface Creation-Duct Surface-Duct surfaces are tubular profile surfaces without an explicitly specified spine curve.,用數條不相交的曲線形成曲面,*Surface Creation-Fillet-create fillets between surfaces with a sharp bend at the transitions.,做倒R之面，可做變化
8、R,*Surface Creation-Offset-An offset surface with a distance may be computed for a surface.-A variable distance can be defined additionally for the offset computation of a single patch.,將surface往normal方向位移,*Surface Creation-Flanges-a flange depth and a flange angle can be specified.The flange angle
9、0?defines the basic flange direction.,patch邊界或曲線長出一個具角度的直面,*Surface Creation-Fillet Flange-create flanges on fillet surfaces.tangentially to the selected patches-The edges of the patches are the spine curve.-The fillet surface can be trimmed at or extrapolated up to the starting edge.,*Surface Creat
10、ion-Ruled Surface-A curve is translated along a vector by which a translation surface is created.,用一條curve做直直長出的patch,*Surface Modification-Point-surface(patch cluster)are modified by using a reference patch which is manipulated instead of the surface.-curves and raw data,can be modified with this f
11、unction.,*Surface Modification-Control Point-a surface(patch cluster)are modified by using a reference patch which is manipulated instead of the surface.-curves and raw data,can be modified with this function.,指定一個面當基準來拉動整個model,*Surface Modification-Matching(Multiple Matching)-a patch transition(ma
12、tching)for three or four Bezier patches may be created by one step.-K-and T-transitions,connections of part edges can also be realized with function.,調整有共點之一組面間的連續性,*Surface Modification-Refit Surface-a patch cluster may be mapped onto digitized data.-The patch cluster structure remains unchanged,將數
13、個patches對點側資料做逼近,*Surface Modification-Feature Design-Using this function you may draw and adapt geometry elements to surfaces.,將舊設計套入新設計中,*Surface Modification-Global Fillet-create with one step fillet surfaces at multiple patch clusters,including at surfaces intersecting each other.,對整個Model做全域性的倒
14、R處理,*Surface Modification-Crowning-the surface shape is modified in a point directly by the specified value(see figure below).-in tool manufacturing to compensate the spring-back of the sheet metal for the whole geometry.,*Surface Modification-Convert-convert surfaces from NURBS to Bezier representa
15、tion,and vice versa.-Different results are obtained according to the original geometry and the option Approximate,轉變曲面函數形式,*Surface Modification-Invert Normals-The normals of surfaces,patches and faces can be inverted and aligned with this function.,改變曲面之U、V方向,*Surface Modification-Global Face Untri
16、m Several faces can be untrimmed by one step to restore the original patches.,*Surface Modification-Global Trim-According to the option Faces All,either faces are created by the trim operation,or patches are reapproximated.,Global Modeling exercise,Feature Based Design exercise,H:ota-trainingkddatlog1,多重曲線的曲面合成 exercise,Global Filleting exercise,
