Sketcher ValidateSketch/zh-cn: Difference between revisions
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==如何使用== |
==如何使用== |
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===无效约束=== |
===无效约束=== |
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===Degenerated geometry=== |
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===逆向外部几何图形=== |
===逆向外部几何图形=== |
Revision as of 17:43, 13 December 2020
Sketcher ValidateSketch |
Menu location |
---|
Sketch → Validate sketch… |
Workbenches |
Sketcher, PartDesign |
Default shortcut |
None |
Introduced in version |
- |
See also |
None |
描述
草图验证(Validate sketch)工具可用于修复不可编辑的草图、存在无效约束的草图,以及添加有缺失的重合约束的根据DXF等文件中导入的几何图形所创建的草图。此工具也可有效的定位本地草图中缺失的重合约束,这个问题将导致在您试图运用一个PartDesign特征时生成一个"can't validate broken face"错误。
如何使用
选项
缺失重合约束
找出有重合关系却缺失重合约束的顶点,并为之添加重合约束。按下Find按钮;程序会弹出一个对话框来报告找到了多少缺失的重合约束; 并在3D视图中以黄色小十字符号表示出来。按下OK来关闭此对话框,再按Fix按钮来添加缺失的重合约束。
如有需要,可在下拉字段中定义一个更大的公差值。
通过选择"Ignore construction geometry"复选框在分析过程中忽略造型几何图形。
无效约束
Degenerated geometry
逆向外部几何图形
约束方向锁定
Sketcher
- General: Create sketch, Edit sketch, Map sketch to face, Reorient sketch, Validate sketch, Merge sketches, Mirror sketch, Leave sketch, View sketch, View section, Toggle grid, Toggle snap, Configure rendering order, Stop operation
- Sketcher geometries: Point, Line, Arc, Arc by 3 points, Circle, Circle by 3 points, Ellipse, Ellipse by 3 points, Arc of ellipse, Arc of hyperbola, Arc of parabola, B-spline by control points, Periodic B-spline by control points, B-spline by knots, Periodic B-spline by knots, Polyline, Rectangle, Centered rectangle, Rounded rectangle, Triangle, Square, Pentagon, Hexagon, Heptagon, Octagon, Regular polygon, Slot, Fillet, Corner-preserving fillet, Trim, Extend, Split, External geometry, Carbon copy, Toggle construction geometry
- Sketcher constraints:
- Geometric constraints: Coincident, Point on object, Vertical, Horizontal, Parallel, Perpendicular, Tangent, Equal, Symmetric, Block
- Dimensional constraints: Lock, Horizontal distance, Vertical distance, Distance, Radius or weight, Diameter, Auto radius/diameter, Angle, Refraction (Snell's law)
- Constraint tools: Toggle driving/reference constraint, Activate/deactivate constraint
- Sketcher tools: Select unconstrained DoF, Select associated constraints, Select associated geometry, Select redundant constraints, Select conflicting constraints, Show/hide internal geometry, Select origin, Select horizontal axis, Select vertical axis, Symmetry, Clone, Copy, Move, Rectangular array, Remove axes alignment, Delete all geometry, Delete all constraints
- Sketcher B-spline tools: Show/hide B-spline degree, Show/hide B-spline control polygon, Show/hide B-spline curvature comb, Show/hide B-spline knot multiplicity, Show/hide B-spline control point weight, Convert geometry to B-spline, Increase B-spline degree, Decrease B-spline degree, Increase knot multiplicity, Decrease knot multiplicity, Insert knot, Join curves
- Sketcher virtual space: Switch virtual space
- Additional: Sketcher Dialog, Preferences, Sketcher scripting
User documentation
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub