Sketcher CreateArc/zh-cn: Difference between revisions
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{{GuiCommand/zh-cn |
{{GuiCommand/zh-cn |
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|Name=通过圆心创建圆弧 |
|Name=通过圆心创建圆弧 |
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|SeeAlso=[[Sketcher_CompCreateCircle/zh-cn|创建圆]] |
|SeeAlso=[[Sketcher_CompCreateCircle/zh-cn|创建圆]] |
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<span id="Description"></span> |
<span id="Description"></span> |
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==描述== |
==描述== |
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此工具通过用户拾取的三个点:中点、圆周上的起始角度与圆周上的终点角度来绘制一条弧。 |
此工具通过用户拾取的三个点:中点、圆周上的起始角度与圆周上的终点角度来绘制一条弧。 |
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[[Image:Sketcher_ArcExample3.png|400px]] |
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在开启此工具时,鼠标指针将变为一个附有红色弧图标的白色十字。而指针的坐标也会实时显示在侧。 |
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{{Caption|Arc created in Center mode with automatically applied constraints defined by entering all On-View-Parameters}} |
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[[Image:Sketcher_ArcExample1.png|中点已选择完毕,正在通过移动鼠标来设置半径]] [[Image:Sketcher_ArcExample2.png|407x360px|中点与起始角度已经选定,正在通过移动鼠标来设置终点角度]] |
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<span id="Usage"></span> |
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==如何使用== |
==如何使用== |
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See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]]. |
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Pos-OVP = Positional [[Sketcher_Preferences#General|On-View-Parameters]]. {{Version|1.0}}<br> |
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Dim-OVP = Dimensional On-View-Parameters. {{Version|1.0}} |
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Latest revision as of 10:10, 21 April 2024
描述
此工具通过用户拾取的三个点:中点、圆周上的起始角度与圆周上的终点角度来绘制一条弧。
Arc created in Center mode with automatically applied constraints defined by entering all On-View-Parameters
如何使用
See also: Drawing aids.
Pos-OVP = Positional On-View-Parameters. introduced in version 1.0
Dim-OVP = Dimensional On-View-Parameters. introduced in version 1.0
- 在3D视图中的空白区域或从一个已存在对象上(一定要激活TaskView中的自动约束(auto constraints)。译注:0.18版中自动约束设置位于底图的首选项中)拾取对应点。
- 按Esc键或点击鼠标右键来退出此功能。
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