Sketcher CreatePeriodicBSpline/it: Difference between revisions

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{{Docnav/it
|[[Sketcher_CreateBSpline/it|B-spline tramite punti di controllo]]
|[[Sketcher_CreateBSplineByInterpolation/it|B-spline tramite nodi]]
|[[Sketcher_Workbench/it|Sketcher]]
|IconL=Sketcher_CreateBSpline.svg
|IconR=Sketcher_CreateBSplineByInterpolation.svg
|IconC=Workbench_Sketcher.svg
}}

<div class="mw-translate-fuzzy">
{{GuiCommand/it
{{GuiCommand/it
|Name=Sketcher CreatePeriodicBSpline
|Name=Sketcher CreatePeriodicBSpline
|Name/it=Sketcher BSpline periodica
|Name/it=B-Spline periodica
|MenuLocation= Schizzo → Geometrie → B-spline periodica
|Icon=Sketcher Create Periodic BSpline.svg
|Workbenches=[[Sketcher_Workbench/it|Sketcher]]
|MenuLocation= Schizzo → Geometrie → Crea B-spline periodica
|Shortcut={{KEY|G}} {{KEY|B}} {{KEY|P}}
|Workbenches= [[Sketcher Workbench/it|Sketcher]]
|Version=0.17
|Version=0.17
|SeeAlso=[[Sketcher_CreateBSpline/it|B-spline]]
|SeeAlso=[[Sketcher_CreateBSpline/it|B-spline]]
}}
}}
</div>


<span id="Description"></span>
==Descrizione==
==Descrizione==


<div class="mw-translate-fuzzy">
Questo strumento traccia una curva B-spline periodica (chiusa) dai suoi punti di controllo.
Questo strumento traccia una curva B-spline periodica (chiusa) dai suoi punti di controllo. (Vedere [[B-Spline/it|questa pagina]] per maggiori informazioni sulle B-spline.)
</div>


<span id="Usage"></span>
[[File:Sketcher Periodic B-spline example01.png|none]]
==Utilizzo==
''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.''


See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]].
==How to use==


<div class="mw-translate-fuzzy">
# Press the {{KEY|[[File:Sketcher Create Periodic BSpline.svg|24px]] '''Create periodic B-spline'''}} button.
# Premere il pulsante {{Button|[[File:Sketcher_CreatePeriodicBSpline.svg|16px]] [[Sketcher_CreatePeriodicBSpline/it|B-spline periodica]]}}.
# 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.
# Per ulteriori passaggi vedere [[Sketcher_CreateBSpline/it#Utilizzo|B-Spline]].
# Pick the first curve point, or right-click to terminate the input and generate the curve.
</div>
# Depending on preferences, the tool may remain active to trace a new curve. Right-click again to exit the command.
* 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.
* 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.
* Check out the other tools in the [[Sketcher Workbench#Sketcher B-spline tools|B-spline tools]] toolbar for more B-spline editing tools.


<span id="Notes"></span>
==Limitations==
==Note==


Vedere le note di [[Sketcher_CreateBSpline/it#Note|B-Spline]].
* Many types of constraints are not supported at this time. Only the B-spline's control points and knots can be constrained.

* [[Sketcher Trimming|Trimming]] and [[Sketcher Extend|extend]] tools are not supported.
<span id="Limitations"></span>
* 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.
==Limitazioni==

Vedere le limitazioni di [[Sketcher_CreateBSpline/it#Limitazioni|B-Spline]].


{{Docnav/it
|[[Sketcher_CreateBSpline/it|B-spline tramite punti di controllo]]
|[[Sketcher_CreateBSplineByInterpolation/it|B-spline tramite nodi]]
|[[Sketcher_Workbench/it|Sketcher]]
|IconL=Sketcher_CreateBSpline.svg
|IconR=Sketcher_CreateBSplineByInterpolation.svg
|IconC=Workbench_Sketcher.svg
}}


{{Sketcher_Tools_navi{{#translation:}}}}
{{Clear}}
{{Userdocnavi{{#translation:}}}}

Latest revision as of 09:19, 13 April 2024

B-Spline periodica

Posizione nel menu
Schizzo → Geometrie → B-spline periodica
Ambiente
Sketcher
Avvio veloce
G B P
Introdotto nella versione
0.17
Vedere anche
B-spline

Descrizione

Questo strumento traccia una curva B-spline periodica (chiusa) dai suoi punti di controllo. (Vedere questa pagina per maggiori informazioni sulle B-spline.)

Utilizzo

See also: Drawing aids.

  1. Premere il pulsante B-spline periodica.
  2. Per ulteriori passaggi vedere B-Spline.

Note

Vedere le note di B-Spline.

Limitazioni

Vedere le limitazioni di B-Spline.