Sketcher CreatePeriodicBSpline/de: Difference between revisions
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{{Docnav|[[Sketcher_CreateBSpline|Create B-spline]]|[[Sketcher_CreatePolyline|Polyline (multiple-point line)]]|[[Sketcher_Workbench|Sketcher]]|IconL=Sketcher_CreateBSpline.svg|IconC=Workbench_Sketcher.svg|IconR=Sketcher_CreatePolyline.png}} |
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|[[Sketcher_CreateBSpline/de|B-SplineDurchKontrollpunkteErstellen]] |
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|[[Sketcher_CreateBSplineByInterpolation/de|B-SplineDurchInterpolationErstellen]] |
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|[[Sketcher_Workbench|Sketcher]] |
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|IconL=Sketcher_CreateBSpline.svg |
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|IconR=Sketcher_CreateBSplineByInterpolation.svg |
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|Name=Sketcher CreatePeriodicBSpline |
|Name=Sketcher CreatePeriodicBSpline |
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|Name/de=Sketcher GeschlossenenB-SplineErstellen |
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|MenuLocation= Sketch → |
|MenuLocation= Sketch → Skizzengeometrien → Geschlossenen B-Spline erstellen |
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|Workbenches= |
|Workbenches=[[Sketcher_Workbench/de|Sketcher]] |
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|Shortcut={{KEY|G}} {{KEY|B}} {{KEY|P}} |
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|Version=0.17 |
|Version=0.17 |
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|SeeAlso=[[Sketcher_CreateBSpline|Sketcher B- |
|SeeAlso=[[Sketcher_CreateBSpline/de|Sketcher B-SplineErstellen]] |
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<span id="Description"></span> |
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==Beschreibung== |
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This tool traces a periodic (closed) B-spline curve from its control points. |
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Dieses Werkzeug erstellt eine periodische (geschlossene) B-Spline-Kurve aus ihren Kontrollpunkten. |
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(Siehe [[B-Splines/de|diese Seite]] für weitere Informationen über B-Splines). |
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</div> |
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<span id="Usage"></span> |
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[[File:Sketcher Periodic B-spline example01.png|none]] |
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==Anwendung== |
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''A periodic B-spline curve (in white) made from 5 points. Pictured are the control polygon in green (the straight lines connecting the red points), the weight circles in blue and the curvature comb in green. The (3) digit in the centre refers to the degree of the B-spline, and the (1) and (2) digits on the knots lying on the curve refer to their multiplicity.'' |
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See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]]. |
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==How to use== |
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# Press the {{KEY|[[File:Sketcher Create Periodic BSpline.svg|24px]] '''Create periodic B-spline'''}} button. |
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# Die Schaltfläche {{Button|[[File:Sketcher_CreatePeriodicBSpline.svg|16px]] [[Sketcher_CreatePeriodicBSpline/de|Geschlossener B-Spline durch Kontrollpunkte]]}} drücken. |
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# Create a series of points by clicking in the 3D view. While the command is active, the created points are connected with straight lines, and a construction circle is created centred on each point. |
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# Für weitere Schritte siehe [[Sketcher_CreateBSpline/de#Anwendung|Sketcher B-Spline durch Kontrollpunkte]]. |
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# Pick the first curve point, or right-click to terminate the input and generate the curve. |
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</div> |
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# Depending on preferences, the tool may remain active to trace a new curve. Right-click again to exit the command. |
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* It is possible to define the weight of the control points by changing the radii of the weight circles. The equality constraints on the circles need to be deleted first. The radius constraint is arbitrary, the weight of the control points will be defined by the relative radii of the circles. It works similar to gravity: the bigger a circle is in relation to the others, the more the curve will be attracted to the control point. |
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* The visibility of the control polygon, the curvature comb, the degree and the knot multiplicity can be toggled on/off from the [[Sketcher Workbench#Sketcher B-spline tools|B-spline tools]] toolbar. |
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* Check out the other tools in the [[Sketcher Workbench#Sketcher B-spline tools|B-spline tools]] toolbar for more B-spline editing tools. |
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<span id="Notes"></span> |
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==Limitations== |
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==Hinweise== |
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Siehe [[Sketcher_CreateBSpline/de#Hinweise|Sketcher B-SplineErstellen]]. |
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* Many types of constraints are not supported at this time. Only the B-spline's control points and knots can be constrained. |
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* [[Sketcher Trimming|Trimming]] and [[Sketcher Extend|extend]] tools are not supported. |
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* The shape of a B-spline curve can only be edited by dragging one of the control points. The knots lying on the curve cannot be selected. |
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<span id="Limitations"></span> |
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==Einschränkungen== |
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Siehe [[Sketcher_CreateBSpline/de#Hinweise|Sketcher B-SplineErstellen]]. |
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{{Docnav|[[Sketcher_CreateBSpline|Create B-spline]]|[[Sketcher_CreatePolyline|Polyline (multiple-point line)]]|[[Sketcher_Workbench|Sketcher]]|IconL=Sketcher_CreateBSpline.svg|IconC=Workbench_Sketcher.svg|IconR=Sketcher_CreatePolyline.png}} |
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{{Docnav/de |
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{{Sketcher Tools navi}} |
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|[[Sketcher_CreateBSpline/de|B-SplineDurchKontrollpunkteErstellen]] |
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|[[Sketcher_CreateBSplineByInterpolation/de|B-SplineDurchInterpolationErstellen]] |
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|[[Sketcher_Workbench|Sketcher]] |
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|IconL=Sketcher_CreateBSpline.svg |
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|IconR=Sketcher_CreateBSplineByInterpolation.svg |
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|IconC=Workbench_Sketcher.svg |
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}} |
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Latest revision as of 09:19, 13 April 2024
Sketcher GeschlossenenB-SplineErstellen |
Menüeintrag |
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Sketch → Skizzengeometrien → Geschlossenen B-Spline erstellen |
Arbeitsbereich |
Sketcher |
Standardtastenkürzel |
G B P |
Eingeführt in Version |
0.17 |
Siehe auch |
Sketcher B-SplineErstellen |
Beschreibung
Dieses Werkzeug erstellt eine periodische (geschlossene) B-Spline-Kurve aus ihren Kontrollpunkten. (Siehe diese Seite für weitere Informationen über B-Splines).
Anwendung
See also: Drawing aids.
- Die Schaltfläche Geschlossener B-Spline durch Kontrollpunkte drücken.
- Für weitere Schritte siehe Sketcher B-Spline durch Kontrollpunkte.
Hinweise
Siehe Sketcher B-SplineErstellen.
Einschränkungen
Siehe Sketcher B-SplineErstellen.
Sketcher
(FIXME)
- Die Werkzeuge: Skizze erstellen, Skizze bearbeiten, Skizze verlassen, Skizze anzeigen, View section, Skizze einer Fläche zuordnen..., Reorient sketch, Skizze überprüfen, Skizzen zusammenführen, Skizze spiegeln
- Skizzen-Geometrien: Punkt, Linie, Bögen erstellen, Bogen, Kreisbogen durch drei Punkte, Kreise erstellen, Kreis, Kreis durch drei Punkte, Kegelförmige Körper erstellen, Ellipse mit Mittelpunkt, Ellipse durch drei Punkte, Ellipsenbogen, Hyperbel erstellen, Parabel erstellen, B-splines erstellen, B-spline, Create periodic B-spline, Linienzug (Mehrpunktlinie), Rechteck, Reguläres Polygon erstellen, Dreieck, Quadrat, Fünfeck, Sechseck, Siebeneck, Achteck, Create Regular Polygon, Nut, Abrundung erstellen, Kante zuschneiden, Verlängern, Externe Geometrie, CarbonCopy, Konstruktionsmodus
- Skizzenbeschränkungen
- Geometrische Beschränkungen Koinzidenz erzwingen, Punkt auf Objekt festlegen, Vertikal, Horizontal, Parallel, Orthogonal, Tangente, Gleichheit, Symmetrisch, Constrain Block
- Dimensional constraints Sperren, Horizontaler Abstand, Vertikaler Abstand, Distanz festlegen, Radius festlegen, Winkel festlegen, Snell's Law, Umschalten auf steuernde Bemaßung,
- Sketcher tools Select solver DOFs, Close Shape, Connect Edges, Select Constraints, Select Origin, Select Vertical Axis, Select Horizontal Axis, Select Redundant Constraints, Select Conflicting Constraints, Select Elements Associated with constraints, Show/Hide internal geometry, Symmetry, Clone, Copy, Move, Rectangular Array, 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, Convert Geometry to B-spline, Increase degree, Increase knot multiplicity, Decrease knot multiplicity
- Sketcher virtual space Switch Virtual Space
Anwenderdokumentation
- Erste Schritte
- Installation: Herunterladen, Windows, Linux, Mac, Zusätzlicher Komponenten, Docker, AppImage, Ubuntu Snap
- Grundlagen: Über FreeCAD, Graphische Oberfläche, Mausbedienung, Auswahlmethoden, Objektname, Programmeinstellungen, Arbeitsbereiche, Dokumentstruktur, Objekteigenschaften, Hilf FreeCAD, Spende
- Hilfe: Tutorien, Video Tutorien
- Arbeitsbereiche: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Start, Surface, TechDraw, Test Framework, Web