Sketcher BSplineInsertKnot: Difference between revisions

From FreeCAD Documentation
(Marked this version for translation)
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{{Docnav
{{Docnav
|[[Sketcher_BSplineDecreaseKnotMultiplicity|Decrease knot multiplicity]]
|[[Sketcher_BSplineDecreaseKnotMultiplicity|Decrease knot multiplicity]]
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{{GuiCommand
{{GuiCommand
|Name=Sketcher BSplineInsertKnot
|Name=Sketcher BSplineInsertKnot
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}}


==Description==
==Description== <!--T:3-->


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Inserts a knot into an existing [[B-Splines|B-spline]]. If a knot already exists at the specified parameter, increases the multiplicity of that knot by one.
Inserts a knot into an existing [[B-Splines|B-spline]]. If a knot already exists at the specified parameter, increases the multiplicity of that knot by one.


==Usage==
==Usage== <!--T:5-->


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# Select a B-spline, then either:
# Select a B-spline, then either:
#* Press the button {{Button|[[File:Sketcher_BSplineInsertKnot.svg|24px]] [[Sketcher_BSplineInsertKnot|B-spline insert knot]]}}.
#* Press the button {{Button|[[File:Sketcher_BSplineInsertKnot.svg|24px]] [[Sketcher_BSplineInsertKnot|B-spline insert knot]]}}.
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<!--T:7-->
{{Docnav
{{Docnav
|[[Sketcher_BSplineDecreaseKnotMultiplicity|Decrease knot multiplicity]]
|[[Sketcher_BSplineDecreaseKnotMultiplicity|Decrease knot multiplicity]]

Revision as of 03:54, 22 February 2022

Other languages:

Sketcher BSplineInsertKnot

Menu location
Sketch → Sketcher B-spline tools → Insert knot
Workbenches
Sketcher
Default shortcut
None
Introduced in version
0.20
See also
Sketcher Show/hide B-spline knot multiplicity, Sketcher BSpline Increase knot multiplicity, Sketcher BSpline Decrease knot multiplicity

Description

Inserts a knot into an existing B-spline. If a knot already exists at the specified parameter, increases the multiplicity of that knot by one.

Usage

  1. Select a B-spline, then either:
    • Press the button B-spline insert knot.
    • Use the menu Sketch → Sketcher B-spline tools → Insert knot.
  2. Move the cursor to the desired location where the new knot point is to be created, and click to insert the knot. The parametric value of the knot is displayed for reference.
  3. Optionally repeat the step above to create more knots.
  4. Right click or press Esc to exit knot insertion mode.
  5. Optionally use Increase knot multiplicity to increase the multiplicity of the knot(s).