Sketcher ConstrainPointOnObject: Difference between revisions

From FreeCAD Documentation
No edit summary
(Marked this version for translation)
 
(8 intermediate revisions by the same user not shown)
Line 1: Line 1:
<languages/>
<languages/>
{{Page_in_progress}}
<translate>
<translate>


Line 6: Line 5:
{{Docnav
{{Docnav
|[[Sketcher_ConstrainCoincident|Coincident]]
|[[Sketcher_ConstrainCoincident|Coincident]]
|[[Sketcher_ConstrainHorVer|Horizontal/Vertical]]
|[[Sketcher_ConstrainHorVer|Horizontal/vertical]]
|[[Sketcher_Workbench|Sketcher]]
|[[Sketcher_Workbench|Sketcher]]
|IconL=Sketcher_ConstrainCoincident.svg
|IconL=Sketcher_ConstrainCoincident.svg
Line 16: Line 15:
{{GuiCommand
{{GuiCommand
|Name=Sketcher ConstrainPointOnObject
|Name=Sketcher ConstrainPointOnObject
|MenuLocation=Sketch → Sketcher constraints → Constrain point onto object
|MenuLocation=Sketch → Sketcher constraints → Constrain point on object
|Workbenches=[[Sketcher_Workbench|Sketcher]]
|Workbenches=[[Sketcher_Workbench|Sketcher]]
|Shortcut={{KEY|O}}
|Shortcut={{KEY|O}}
Line 25: Line 24:


<!--T:2-->
<!--T:2-->
The [[Image:Sketcher_ConstrainPointOnObject.svg|24px]] [[Sketcher_ConstrainPointOnObject|Sketcher ConstrainPointOnObject]] tool fixes points on edges or axes. Lines are treated as infinite, and open curved edges are virtually extended.
The [[Image:Sketcher_ConstrainPointOnObject.svg|24px]] [[Sketcher_ConstrainPointOnObject|Sketcher ConstrainPointOnObject]] tool fixes points on edges or axes. Lines are treated as infinite, and open curves are virtually extended as well.


<!--T:20-->
<!--T:20-->
{{Version|0.22}}: This tool is replaced by the [[Sketcher_ConstrainCoincidentUnified|Sketcher ConstrainCoincidentUnified]] tool if the {{MenuCommand|Unify Coincident and PointOnObject}} option is selected in the [[Sketcher_Preferences#General|Sketcher Preferences]].
{{Version|1.0}}: This tool is replaced by the [[Sketcher_ConstrainCoincidentUnified|Sketcher ConstrainCoincidentUnified]] tool if the '''Unify Coincident and PointOnObject''' option is selected in the [[Sketcher_Preferences#General|preferences]].


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


<!--T:21-->
See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]].
See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]].


===[[Sketcher_Workbench#Continue_modes|Continue mode]]===
===[[Sketcher_Workbench#Continue_modes|Continue mode]]=== <!--T:22-->


<!--T:16-->
<!--T:16-->
# Make sure there is no selection.
# Make sure there is no selection.
# There are several ways to invoke the tool:
# There are several ways to invoke the tool:
#* Press the {{Button|[[Image:Sketcher_ConstrainPointOnObject.svg|16px]] [[Sketcher_ConstrainPointOnObject|Constrain point onto object]]}} button.
#* Press the {{Button|[[Image:Sketcher_ConstrainPointOnObject.svg|16px]] [[Sketcher_ConstrainPointOnObject|Constrain point on object]]}} button.
#* Select the {{MenuCommand|Sketch → Sketcher constraints → [[Image:Sketcher_ConstrainPointOnObject.svg|16px]] Constrain point onto object}} option from the menu.
#* Select the {{MenuCommand|Sketch → Sketcher constraints → [[Image:Sketcher_ConstrainPointOnObject.svg|16px]] Constrain point on object}} option from the menu.
#* Use the keyboard shortcut: {{KEY|O}}.
#* Use the keyboard shortcut: {{KEY|O}}.
# The cursor changes to a white cross with the tool icon.
# The cursor changes to a cross with the tool icon.
# Select a single point and a single edge (in any order).
# Select a single point and a single edge (in any order).
# A constraint is added.
# A constraint is added.
Line 48: Line 48:
# To finish, right-click or press {{KEY|Esc}}, or start another geometry or constraint creation tool.
# To finish, right-click or press {{KEY|Esc}}, or start another geometry or constraint creation tool.


===Run-once mode===
===Run-once mode=== <!--T:23-->


<!--T:24-->
# Do one of the following:
# Do one of the following:
#* Select a single point and a single edge (in any order).
#* Select a single point and a single edge (in any order).
Line 67: Line 68:
<!--T:10-->
<!--T:10-->
* {{incode|Sketch}} is a sketch object.
* {{incode|Sketch}} is a sketch object.
* {{incode|LineMoving}} is the number that designates the line, which contains the point that has to be moved onto the {{incode|LineFixed}} (the line which is fixed).
* {{incode|LineMoving}} is the number that designates the line, which contains the point that has to be moved on the {{incode|LineFixed}} (the line which is fixed).
* {{incode|PointOfLineMoving}} is the number of the vertex of line {{incode|LineMoving}}, that has to be moved onto the {{incode|LineFixed}}.
* {{incode|PointOfLineMoving}} is the number of the vertex of line {{incode|LineMoving}}, that has to be moved on the {{incode|LineFixed}}.
* {{incode|LinedFixed}} is the number of the line to be affixed onto the point {{incode|PointOfLineMoving}}.
* {{incode|LinedFixed}} is the number of the line to be affixed on the point {{incode|PointOfLineMoving}}.


<!--T:11-->
<!--T:11-->
Line 78: Line 79:
{{Docnav
{{Docnav
|[[Sketcher_ConstrainCoincident|Coincident]]
|[[Sketcher_ConstrainCoincident|Coincident]]
|[[Sketcher_ConstrainHorVer|Horizontal/Vertical]]
|[[Sketcher_ConstrainHorVer|Horizontal/vertical]]
|[[Sketcher_Workbench|Sketcher]]
|[[Sketcher_Workbench|Sketcher]]
|IconL=Sketcher_ConstrainCoincident.svg
|IconL=Sketcher_ConstrainCoincident.svg

Latest revision as of 14:51, 23 April 2024

Sketcher ConstrainPointOnObject

Menu location
Sketch → Sketcher constraints → Constrain point on object
Workbenches
Sketcher
Default shortcut
O
Introduced in version
-
See also
Sketcher ConstrainCoincidentUnified, Sketcher ConstrainCoincident

Description

The Sketcher ConstrainPointOnObject tool fixes points on edges or axes. Lines are treated as infinite, and open curves are virtually extended as well.

introduced in version 1.0: This tool is replaced by the Sketcher ConstrainCoincidentUnified tool if the Unify Coincident and PointOnObject option is selected in the preferences.

Usage

See also: Drawing aids.

Continue mode

  1. Make sure there is no selection.
  2. There are several ways to invoke the tool:
    • Press the Constrain point on object button.
    • Select the Sketch → Sketcher constraints → Constrain point on object option from the menu.
    • Use the keyboard shortcut: O.
  3. The cursor changes to a cross with the tool icon.
  4. Select a single point and a single edge (in any order).
  5. A constraint is added.
  6. Optionally keep creating constraints.
  7. To finish, right-click or press Esc, or start another geometry or constraint creation tool.

Run-once mode

  1. Do one of the following:
    • Select a single point and a single edge (in any order).
    • Select several points and a single edge (idem).
    • Select a single point and several edges (idem).
  2. Invoke the tool as explained above.
  3. Depending on the selection one or more constraints are added.

Scripting

The constraint can be created from macros and from the Python console by using the following command:

Sketch.addConstraint(Sketcher.Constraint('PointOnObject',LineMoving,PointOfLineMoving,LineFixed))

  • Sketch is a sketch object.
  • LineMoving is the number that designates the line, which contains the point that has to be moved on the LineFixed (the line which is fixed).
  • PointOfLineMoving is the number of the vertex of line LineMoving, that has to be moved on the LineFixed.
  • LinedFixed is the number of the line to be affixed on the point PointOfLineMoving.

The Sketcher scripting page explains how to identify the numbers that designate lines and points.