Sketcher BSplineComb/it: Difference between revisions
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|[[Sketcher_BSplinePolygon/it|Mostra/Nascondi il poligono di controllo delle B-spline]] |
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{{GuiCommand/it |
{{GuiCommand/it |
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|Name=Sketcher BSplineComb |
|Name=Sketcher BSplineComb |
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SeeAlso=[[Sketcher CompCreateBSpline/it|Crea B-spline]] |
SeeAlso=[[Sketcher CompCreateBSpline/it|Crea B-spline]] |
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<span id="Description"></span> |
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==Descrizione== |
==Descrizione== |
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==Uso== |
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The curvature comb indicates the curvature (value of the second-order derivative) along a B-spline. The higher the curvature, the longer the comb's teeth are. Where a B-spline curves to the right the comb is on its left side and vice versa. |
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==Limitations== |
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{{Caption|B-spline with a saddle point at its midpoint, the curvature comb is zero there.}} |
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==Usage== |
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==Utilizzo== |
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{{Docnav|[[Sketcher_BSplinePolygon/it|Mostra/Nascondi il poligono di controllo delle B-spline]]|[[Sketcher_BSplineKnotMultiplicity/it|Mostra/Nascondi le molteplicità di nodo B-spline]]|[[Sketcher_Workbench/it|Sketcher]]|IconL=Sketcher_BSplinePolygon.svg|IconC=Workbench_Sketcher.svg|IconR=Sketcher_BSplineKnotMultiplicity.svg}} |
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|[[Sketcher_BSplinePolygon/it|Mostra/Nascondi il poligono di controllo delle B-spline]] |
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|[[Sketcher_BSplineKnotMultiplicity/it|Mostra/Nascondi le molteplicità di nodo B-spline]] |
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|[[Sketcher_Workbench/it|Sketcher]] |
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|IconL=Sketcher_BSplinePolygon.svg |
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Latest revision as of 08:56, 23 April 2024
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| Posizione nel menu |
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| Sketch → Sketcher B-spline tools → Mostra/Nascondi lo strumento curvatura per la B-spline |
| Ambiente |
| Sketcher |
| Avvio veloce |
| Nessuno |
| Introdotto nella versione |
| 0.17
SeeAlso=Crea B-spline |
| Vedere anche |
| Nessuno |
Descrizione
Mostra o nasconde la visualizzazione del pettine di curvatura di una curva B-spline (vedere: B-spline)
The curvature comb indicates the curvature (value of the second-order derivative) along a B-spline. The higher the curvature, the longer the comb's teeth are. Where a B-spline curves to the right the comb is on its left side and vice versa.
B-spline with a saddle point at its midpoint, the curvature comb is zero there.
Usage
Utilizzo
- Selezionare una B-spline e applicare.
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