4.1.9 圆的生成(Circle)详解..........................................................................................................18
4.1.10 拐角的生成(Corner)详解 ....................................................................................................19
4.1.11 桥接曲线(Connect Curve)详解...........................................................................................19
4.1.12 圆锥线(Conic)详解 .............................................................................................................20
4.1.13 样条线(Spline)详解 ............................................................................................................21
4.1.14 螺旋线(Helix)详解 ..............................................................................................................22
4.1.15 平面螺旋线(Spiral)详解 ......................................................................................................22
4.1.16 脊骨曲线(Spine)详解..........................................................................................................23
4.1.17 平行线(Parallel Curve)详解................................................................................................24
4.1.18 投影线(Projection)详解 ......................................................................................................25
4.1.19 组合投影线(Combine)详解.................................................................................................25
4.1.20 反射曲线(Reflect Curve)详解 .............................................................................................25
4.1.21 相交元素(Intersection)详解 ................................................................................................26
4.2 曲面造型功能(Surfaces) ............................................................................................................27
4.2.1 拉伸面(Extrude)详解 ..........................................................................................................27
4.2.2 回转面(Revolution)详解 .....................................................................................................27
4.2.3 球面(Sphere)详解 ..............................................................................................................28
4.2.4 偏移曲面(Offset)详解 .........................................................................................................28
4.2.5 扫描曲面(Sweep)详解........................................................................................................29
4.2.6 自适应扫描曲面(Adaptative Sweep)详解 ...........................................................................35
4.2.7 填充曲面(Fill)详解 ..............................................................................................................36
4.2.8 放样曲面(Loft)详解.............................................................................................................38
4.2.9 过渡曲面(Blend)详解..........................................................................................................40
4.3 几何操作功能(Operations).........................................................................................................41
4.3.1 合并几何体(Join)详解.........................................................................................................41
4.3.2 修补曲面(Healing)详解.......................................................................................................42
4.3.3 光顺曲线(Curve smooth)详解 ............................................................................................43
4.3.4 恢复被剪切的曲面或曲线(Untrim)详解 ...............................................................................44
4.3.5 分解几何元素(Disassemble)详解 .......................................................................................44
4.3.6 切割元素(Split)详解............................................................................................................44