Sketcher ConstrainSymmetric/es: Difference between revisions

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<languages/>
{{GuiCommand/es|Name=Constraint Symmetric|Workbenches=[[Sketcher Workbench/es|Croquizador]], [[PartDesign Workbench/es|Diseño de Piezas]]|MenuLocation=Croquizador → Restricciones del Croquizador → Restricción de Simetría|SeeAlso=[[Constraint Parallel/es|Restricción Paralela]]}}


<div class="mw-translate-fuzzy">
====Description====
{{Docnav/es
The symmetrical constraint constrains two selected points to be symmetrical around a given line, i.e., both selected points are constrained to lie on a normal to the line through both points and are constrained to be equidistant from the line. Alternatively it can constrain two points to be symmetric with respect to a third one.
|[[Sketcher_ConstrainEqual/es|Igual longitud]]
|[[Sketcher_ConstrainBlock/es|Restringir Block]]
|[[Sketcher_Workbench/es|Coquizador]]
|IconL=Constraint_EqualLength.png
|IconC=Workbench_Sketcher.svg
|IconR=Sketcher_ConstrainBlock.png
}}
</div>


<div class="mw-translate-fuzzy">
====Operation====
{{GuiCommand/es
[[File:SymmetricConstraint1.png|256px]]<br /><br />
|Name=Constraint Symmetric
Select two points (vertexes) in the sketch and a line in the sketch. The selected points and the line will be dark green.<br /><br />
|Name/es=Restricción Simetría
[[File:SymmetricConstraint2.png|256px]]<br /><br />
|Workbenches=[[Sketcher Workbench/es|Croquizador]]
Click on the SymmetricalConstraint icon [[File:Constraint_Symmetric.png|16px]] in the Sketcher toolbar or select the Constrain Symmetrical menu item from the Sketcher Constraints sub menu of the Sketcher (or Part Design) menu item.
|MenuLocation=Croquis → Restricciones del Croquizador → Restricción de Simetría
This will apply the constraint to the selected items.<br /><br />
|Shortcut=S
[[File:SymmetricConstraint3.png|256px]]<br /><br />
|SeeAlso=[[Sketcher_ConstrainParallel/es|Restricción Paralela]]
This is a geometric constraint and has no editable parameters.
}}
</div>


==Descripción==
<languages/>

<div class="mw-translate-fuzzy">
====Descripción====

La Restricción de Simetría restringe dos puntos seleccionados a ser simétricos con respecto a un eje dado. Los dos puntos seleccionados se restringen para situarse sobre la perpendicular al eje de simetría y situados a la misma distancia de este.
</div>

<div class="mw-translate-fuzzy">
====Funcionamiento====

[[File:SymmetricConstraint1.png|256px]]

Selecciona dos puntos y una línea en el croquis. Los puntos y la línea seleccionados se volverán de color verde oscuro.

[[File:SymmetricConstraint2.png|256px]]

Pulsa sobre el icono [[File:Constraint_Symmetric.png|16px]] en la barra de herramientas del Croquizador o selecciona la Restricción de Simetría en el submenú de Restricciones del entorno del Croquizador (o del entorno de Diseño de Piezas).
Esto aplicará la restricción a los elementos seleccionados.

[[File:SymmetricConstraint3.png|256px]]

Esta es una restricción geométrica y no tiene parámetros editables.
</div>

[[File:SymmetricConstraint1.png|500px]]

Select two points (vertexes) in the sketch and a line in the sketch. The selected points and the line will be dark green.

[[File:SymmetricConstraint2.png|500px]]

Click on {{Button|[[File:Sketcher_ConstrainSymmetric.svg|16px]] [[Sketcher_ConstrainSymmetric|Constrain symmetric]]}} or select the Constrain Symmetrical menu item from the Sketcher Constraints sub menu of the Sketcher (or Part Design) menu item.

This will apply the constraint to the selected items.

[[File:SymmetricConstraint3.png|500px]]

{{Emphasis|Note:}} Before Version 0.19 (see fix [https://github.com/FreeCAD/FreeCAD/pull/3746]), if you want to define a symmetry constraint with respect to a point, the order of the selection is important, depending on if you select the tool at the beginning or at the end.
* If you click the tool first: select the first point, then the symmetry reference point, and finally the second point.
* If you click the tool last: select the first point, then the second point, and finally the symmetry reference point.

See the tracker [https://freecadweb.org/tracker/view.php?id=4144 issue #4144], and [https://forum.freecadweb.org/viewtopic.php?f=3&t=39611 forum thread].

== Scripting ==

Two points and a symmetry line:

{{Code|code=Sketch.addConstraint(Sketcher.Constraint('Symmetric', Line1, PointOfLine1, Line2, PointOfLine2, SymmetryLine))}}

Two points and a symmetry point:

{{Code|code=Sketch.addConstraint(Sketcher.Constraint('Symmetric', Line1, PointOfLine1, Line2, PointOfLine2, LineS, PointOfLineS))}}

A line and a symmetry point (In the GUI one can select a line and a point, but it uses internally the same form as above, with the two extremities of the same line):

{{Code|code=Sketch.addConstraint(Sketcher.Constraint('Symmetric', Line, 1, Line, 2, LineS, PointOfLineS))}}

The [[Sketcher_scripting|Sketcher scripting]] page explains the values which can be used for {{incode|Line1}}, {{incode|Line2}}, {{incode|LineS}}, {{incode|Line}}, {{incode|PointOfLine1}}, {{incode|PointOfLine2}} and {{incode|PointOfLineS}}, and contains further examples on how to create constraints from Python scripts.


{{Docnav
|[[Sketcher_ConstrainEqual|Equal]]
|[[Sketcher_ConstrainBlock|Block]]
|[[Sketcher_Workbench|Sketcher]]
|IconL=Sketcher_ConstrainEqual.svg
|IconR=Sketcher_ConstrainBlock.svg
|IconC=Workbench_Sketcher.svg
}}

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

Latest revision as of 18:13, 20 March 2022

Restricción Simetría

Ubicación en el Menú
Croquis → Restricciones del Croquizador → Restricción de Simetría
Entornos de trabajo
Croquizador
Atajo de teclado por defecto
S
Introducido en versión
-
Ver también
Restricción Paralela

Descripción

Descripción

La Restricción de Simetría restringe dos puntos seleccionados a ser simétricos con respecto a un eje dado. Los dos puntos seleccionados se restringen para situarse sobre la perpendicular al eje de simetría y situados a la misma distancia de este.

Funcionamiento

Selecciona dos puntos y una línea en el croquis. Los puntos y la línea seleccionados se volverán de color verde oscuro.

Pulsa sobre el icono en la barra de herramientas del Croquizador o selecciona la Restricción de Simetría en el submenú de Restricciones del entorno del Croquizador (o del entorno de Diseño de Piezas). Esto aplicará la restricción a los elementos seleccionados.

Esta es una restricción geométrica y no tiene parámetros editables.

Select two points (vertexes) in the sketch and a line in the sketch. The selected points and the line will be dark green.

Click on Constrain symmetric or select the Constrain Symmetrical menu item from the Sketcher Constraints sub menu of the Sketcher (or Part Design) menu item.

This will apply the constraint to the selected items.

Note: Before Version 0.19 (see fix [1]), if you want to define a symmetry constraint with respect to a point, the order of the selection is important, depending on if you select the tool at the beginning or at the end.

  • If you click the tool first: select the first point, then the symmetry reference point, and finally the second point.
  • If you click the tool last: select the first point, then the second point, and finally the symmetry reference point.

See the tracker issue #4144, and forum thread.

Scripting

Two points and a symmetry line:

Sketch.addConstraint(Sketcher.Constraint('Symmetric', Line1, PointOfLine1, Line2, PointOfLine2, SymmetryLine))

Two points and a symmetry point:

Sketch.addConstraint(Sketcher.Constraint('Symmetric', Line1, PointOfLine1, Line2, PointOfLine2, LineS, PointOfLineS))

A line and a symmetry point (In the GUI one can select a line and a point, but it uses internally the same form as above, with the two extremities of the same line):

Sketch.addConstraint(Sketcher.Constraint('Symmetric', Line, 1, Line, 2, LineS, PointOfLineS))

The Sketcher scripting page explains the values which can be used for Line1, Line2, LineS, Line, PointOfLine1, PointOfLine2 and PointOfLineS, and contains further examples on how to create constraints from Python scripts.