Sketcher BSplinePolygon: Difference between revisions
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{{Docnav |
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{{Docnav|[[Sketcher_BSplineDegree|Show/Hide B-spline degree]]|[[Sketcher_BSplineComb|Show/Hide B-spline curvature comb]]|[[Sketcher_Workbench|Sketcher]]|IconL=Sketcher_BSplineDegree.svg|IconC=Workbench_Sketcher.svg|IconR=Sketcher_BSplineComb.svg}} |
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|[[Sketcher_BSplineDegree|Show/hide B-spline degree]] |
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|[[Sketcher_BSplineComb|Show/hide B-spline curvature comb]] |
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|[[Sketcher_Workbench|Sketcher]] |
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|IconL=Sketcher_BSplineDegree.svg |
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|IconR=Sketcher_BSplineComb.svg |
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|IconC=Workbench_Sketcher.svg |
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{{GuiCommand |
{{GuiCommand |
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|Name=Sketcher BSplinePolygon |
|Name=Sketcher BSplinePolygon |
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|Workbenches=[[ |
|Workbenches=[[Sketcher_Workbench|Sketcher]] |
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|Version=0.17 |
|Version=0.17 |
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|SeeAlso=[[Sketcher |
|SeeAlso=[[Sketcher_CreateBSpline|Sketcher CreateBSpline]] |
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The [[Image:Sketcher_BSplinePolygon.svg|24px]] [[Sketcher_BSplinePolygon|Sketcher BSplinePolygon]] tool shows or hides the [[B-Splines|B-spline]] control polygon in all sketches. |
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Shows or hides the display of the defininig Polygon of a B-spline curve (see [https://en.wikipedia.org/wiki/B-spline B-spline]). |
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[[File:Sketcher B-spline example01.png]] |
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[[File:sketcher_BSplinePolygonShow.png]] '''<-->''' [[File:sketcher_BSplinePolygonHide.png]] |
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{{Caption|The control polygon (green straight lines) connects the control points (marked with dark yellow weight circles).}} |
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==Usage== <!--T:5--> |
==Usage== <!--T:5--> |
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# Select a B-spline and apply. |
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# There are several ways to invoke the tool: |
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{{Docnav|[[Sketcher_BSplineDegree|Show/Hide B-spline degree]]|[[Sketcher_BSplineComb|Show/Hide B-spline curvature comb]]|[[Sketcher_Workbench|Sketcher]]|IconL=Sketcher_BSplineDegree.svg|IconC=Workbench_Sketcher.svg|IconR=Sketcher_BSplineComb.svg}} |
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#* Press the {{Button|[[Image:Sketcher_BSplinePolygon.svg|16px]] [[Sketcher_BSplinePolygon|Show/hide B-spline control polygon]]}} button. |
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#* Select the {{MenuCommand|Sketch → Sketcher visual → Show/hide B-spline information layer → [[Image:Sketcher_BSplinePolygon.svg|16px]] Show/hide B-spline control polygon}} option from the menu. |
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{{Sketcher Tools navi}} |
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{{Docnav |
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|[[Sketcher_BSplineDegree|Show/hide B-spline degree]] |
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|[[Sketcher_BSplineComb|Show/hide B-spline curvature comb]] |
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|[[Sketcher_Workbench|Sketcher]] |
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|IconL=Sketcher_BSplineDegree.svg |
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|IconR=Sketcher_BSplineComb.svg |
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|IconC=Workbench_Sketcher.svg |
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}} |
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Latest revision as of 08:54, 23 April 2024
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| Menu location |
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| Sketch → Sketcher visual → Show/hide B-spline information layer → Show/hide B-spline control polygon |
| Workbenches |
| Sketcher |
| Default shortcut |
| None |
| Introduced in version |
| 0.17 |
| See also |
| Sketcher CreateBSpline |
Description
The 
Sketcher BSplinePolygon tool shows or hides the B-spline control polygon in all sketches.
The control polygon (green straight lines) connects the control points (marked with dark yellow weight circles).
Usage
- There are several ways to invoke the tool:
- Press the
Show/hide B-spline control polygon button. - Select the Sketch → Sketcher visual → Show/hide B-spline information layer → Show/hide B-spline control polygon option from the menu.
- Press the
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, Start, Surface, TechDraw, Test Framework, Web
- Hubs: User hub, Power users hub, Developer hub