Sketcher ConstrainPointOnObject: Difference between revisions

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The [[Image:Sketcher_ConstrainPointOnObject.svg|24px]] [[Sketcher_ConstrainPointOnObject|Sketcher ConstrainPointOnObject]] tool affixes a point onto another object such as a line, arc, or sketch axis.
The [[Image:Sketcher_ConstrainPointOnObject.svg|24px]] [[Sketcher_ConstrainPointOnObject|Sketcher ConstrainPointOnObject]] tool fixes points on edges or axes.


{{Version|0.22}}: This tool is only available if the {{MenuCommand|Unify Coincident and PointOnObject}} option is not selected in the [[Sketcher_Preferences#General|Sketcher Preferences]].
{{Version|0.22}}: This tool is only available if the {{MenuCommand|Unify Coincident and PointOnObject}} option is not selected in the [[Sketcher_Preferences#General|Sketcher Preferences]].
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#* Select several points and a single edge (idem).
#* Select several points and a single edge (idem).
#* Select a single point and several edges (idem).
#* Select a single point and several edges (idem).
# There are several ways to invoke the command:
# There are several ways to invoke the tool:
#* Press the {{Button|[[File:Sketcher_ConstrainPointOnObject.svg|16px]] [[Sketcher_ConstrainPointOnObject|Constrain point onto object]]}} button in the toolbar.
#* Press the {{Button|[[File:Sketcher_ConstrainPointOnObject.svg|16px]] [[Sketcher_ConstrainPointOnObject|Constrain point onto object]]}} button in the toolbar.
#* Use the {{KEY|O}} keyboard shortcut.
#* Use the {{KEY|O}} keyboard shortcut.

Revision as of 15:45, 14 January 2024

Sketcher ConstrainPointOnObject

Menu location
Sketch → Sketcher constraints → Constrain point onto 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.

introduced in version 0.22: This tool is only available if the Unify Coincident and PointOnObject option is not selected in the Sketcher Preferences.

Usage

  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. There are several ways to invoke the tool:
    • Press the Constrain point onto object button in the toolbar.
    • Use the O keyboard shortcut.
    • Use the Sketch → Sketcher constraints → Constrain point onto object entry in the top menu.

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 onto the LineFixed (the line which is fixed).
  • PointOfLineMoving is the number of the vertex of line LineMoving, that has to be moved onto the LineFixed.
  • LinedFixed is the number of the line to be affixed onto the point PointOfLineMoving.

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