Sketcher ConstrainDistance/sv: Difference between revisions

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{{Docnav
{{Docnav
|[[Sketcher_ConstrainDistanceY|Vertical distance]]
|[[Sketcher_ConstrainDistanceY|Vertical distance]]
|[[Sketcher_CompConstrainRadDia|Constrain radius or diameter]]
|[[Sketcher_ConstrainRadiam|Auto radius/diameter]]
|[[Sketcher_Workbench|Sketcher]]
|[[Sketcher_Workbench|Sketcher]]
|IconL=Sketcher_ConstrainDistanceY.svg
|IconL=Sketcher_ConstrainDistanceY.svg
|IconR=Sketcher_CompConstrainRadDia.png
|IconR=Sketcher_ConstrainRadiam.svg
|IconC=Workbench_Sketcher.svg
|IconC=Workbench_Sketcher.svg
}}
}}
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==Description==
==Description==


'''Constrain distance''' defines the length of a line, the perpendicular distance between a point and a line, the distance between two points, or, {{Version|0.21}}, the distance between the edges of two circles or between the edge of a circle and a line.
The [[Image:Sketcher_ConstrainDistance.svg|24px]] [[Sketcher_ConstrainDistance|Sketcher ConstrainDistance]] tool fixes the length of a line, the distance between two points, the perpendicular distance between a point and a line; or, {{Version|0.21}}, the distance between the edges of two circles or arcs, or between the edge of a circle or arc and a line; or, {{Version|1.0}}, the length of an arc.


[[Image:Sketcher_ConstrainDistance_example.png]]
[[Image:Sketcher_ConstrainDistance_example.png]]
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==Usage==
==Usage==


See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]].
# Pick one line, or one point and one line, or two points, or the edges of two circles, or the edge of one circle and one line.
# There are several ways to invoke the command:
#* Press the {{Button|[[File:Sketcher_ConstrainDistance.svg|16px]] [[Sketcher_ConstrainDistance|Constrain distance]]}} button in the Sketcher toolbar.
#* Use the {{KEY|K}} then {{KEY|D}} keyboard shortcut.
#* Use the {{MenuCommand|Sketch → Sketcher constraints → [[File:Sketcher_ConstrainDistance.svg|16px]] Constrain distance}} entry from the top menu.
# A pop up dialog opens to edit or confirm the value. Press {{Button|OK}} to validate.


===[[Sketcher_Workbench#Continue_modes|Continue mode]]===
'''Note:''' the constraint tool can also be started with no prior selection (apart from circle to circle and circle to line cases). To set the perpendicular distance between a point and a line, the point needs to be selected first. By default the command will be in continue mode to create new constraints; press the right mouse button or {{KEY|Esc}} once to quit the command.


# Make sure there is no selection.
===Hint===
# There are several ways to invoke the tool:
#* {{Version|1.0}}: If the {{MenuCommand|Dimensioning constraints}} [[Sketcher_Preferences#General|preference]] is set to {{Value|Single tool}} (default): press the down arrow to the right of the {{Button|[[Image:Sketcher_Dimension.svg||x16px]][[Image:Toolbar_flyout_arrow.svg|x16px]]}} button and select the {{MenuCommand|[[Image:Sketcher_ConstrainDistance.svg|16px]] Constrain distance}} option from the dropdown.
#* If this preference has a different value (and in {{VersionMinus|0.21}}): press the {{Button|[[Image:Sketcher_ConstrainDistance.svg|16px]] [[Sketcher_ConstrainDistance|Constrain distance]]}} button.
#* Select the {{MenuCommand|Sketch → Sketcher constraints → [[File:Sketcher_ConstrainDistance.svg|16px]] Constrain distance}} option from the menu.
#* {{Version|1.0}}: Right-click in the [[3D_view|3D view]] and select the {{MenuCommand|Dimension → [[Image:Sketcher_ConstrainDistance.svg|16px]] Constrain distance}} option from the context menu.
#* Use the keyboard shortcut {{KEY|K}} then {{KEY|D}}.
# The cursor changes to a cross with the tool icon.
# Do one of the following:
#* Select a single line.
#* Select two points.
#* Select a point and a line (in that order).
# If a [[Sketcher_ToggleDrivingConstraint|driving dimensional constraint]] is created, depending on the [[Sketcher_Preferences#Display|preferences]], a dialog opens to [[Sketcher_Workbench#Edit_constraints|edit its value]].
# A constraint is added.
# Optionally keep creating constraints.
# To finish, right-click or press {{KEY|Esc}}, or start another geometry or constraint creation tool


===Run-once mode===
If applicable please consider using the {{Button|[[File:Sketcher_ConstrainDistanceX.svg|16px]] [[Sketcher_ConstrainDistanceX|Horizontal distance]]}} or {{Button|[[File:Sketcher_ConstrainDistanceY.svg|16px]] [[Sketcher_ConstrainDistanceY|Vertical distance]]}} constraints instead. These constraints are more robust and faster to calculate than the '''ConstrainDistance''' tool.

# Do one of the following:
#* Select a single line.
#* Select two points.
#* Select a point and a line (in any order).
#* Select the edges of two circles or arcs.
#* Select the edge of a circle or arc and a line (idem).
#* {{Version|1.0}}: Select the edge of a single arc.
# Invoke the tool as explained above.
# Optionally [[Sketcher_Workbench#Edit_constraints|edit the constraint value]].
# A constraint is added.

==Notes==

* If applicable please consider using [[Sketcher_ConstrainDistanceX|Horizontal distance]] or [[Sketcher_ConstrainDistanceY|Vertical distance]] constraints instead. They are more efficient.


== Scripting ==
== Scripting ==
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{{Docnav
{{Docnav
|[[Sketcher_ConstrainDistanceY|Vertical distance]]
|[[Sketcher_ConstrainDistanceY|Vertical distance]]
|[[Sketcher_CompConstrainRadDia|Constrain radius or diameter]]
|[[Sketcher_ConstrainRadiam|Auto radius/diameter]]
|[[Sketcher_Workbench|Sketcher]]
|[[Sketcher_Workbench|Sketcher]]
|IconL=Sketcher_ConstrainDistanceY.svg
|IconL=Sketcher_ConstrainDistanceY.svg
|IconR=Sketcher_CompConstrainRadDia.png
|IconR=Sketcher_ConstrainRadiam.svg
|IconC=Workbench_Sketcher.svg
|IconC=Workbench_Sketcher.svg
}}
}}

Latest revision as of 19:37, 29 April 2024

Constraint Length

Menyplacering
Sketch → Sketcher constraints → Constrain distance
Arbetsbänkar
Sketcher
Standard genväg
Shift + D
Introducerad i version
-
Se även
Constraint HorizontalDistance, Constraint VerticalDistance

Description

The Sketcher ConstrainDistance tool fixes the length of a line, the distance between two points, the perpendicular distance between a point and a line; or, introduced in version 0.21, the distance between the edges of two circles or arcs, or between the edge of a circle or arc and a line; or, introduced in version 1.0, the length of an arc.

Usage

See also: Drawing aids.

Continue mode

  1. Make sure there is no selection.
  2. There are several ways to invoke the tool:
    • introduced in version 1.0: If the Dimensioning constraints preference is set to Single tool (default): press the down arrow to the right of the button and select the Constrain distance option from the dropdown.
    • If this preference has a different value (and in version 0.21 and below): press the Constrain distance button.
    • Select the Sketch → Sketcher constraints → Constrain distance option from the menu.
    • introduced in version 1.0: Right-click in the 3D view and select the Dimension → Constrain distance option from the context menu.
    • Use the keyboard shortcut K then D.
  3. The cursor changes to a cross with the tool icon.
  4. Do one of the following:
    • Select a single line.
    • Select two points.
    • Select a point and a line (in that order).
  5. If a driving dimensional constraint is created, depending on the preferences, a dialog opens to edit its value.
  6. A constraint is added.
  7. Optionally keep creating constraints.
  8. 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 line.
    • Select two points.
    • Select a point and a line (in any order).
    • Select the edges of two circles or arcs.
    • Select the edge of a circle or arc and a line (idem).
    • introduced in version 1.0: Select the edge of a single arc.
  2. Invoke the tool as explained above.
  3. Optionally edit the constraint value.
  4. A constraint is added.

Notes

Scripting

Distance from origin:

Sketch.addConstraint(Sketcher.Constraint('Distance', Edge, PointOfEdge, -1, 1, App.Units.Quantity('123.0 mm')))

Distance between two vertices:

Sketch.addConstraint(Sketcher.Constraint('Distance', Edge1, PointOfEdge1, Edge2, PointOfEdge2, App.Units.Quantity('123.0 mm')))

Length of line (the GUI allows selecting the edge itself, but it is just a shorthand for using the two extremities of the same line):

Sketch.addConstraint(Sketcher.Constraint('Distance', Line, 1, Line, 2, App.Units.Quantity('123.0 mm')))

Distance from point (Edge, PointOfEdge) to perpendicular point on line (Line):

Sketch.addConstraint(Sketcher.Constraint('Distance', Edge, PointOfEdge, Line, 0, App.Units.Quantity('123.0 mm')))

Distance between the edges of two circles:

Sketch.addConstraint(Sketcher.Constraint('Distance', Circle1, 0, Circle2, 0, App.Units.Quantity('123.0 mm')))

The Sketcher scripting page explains the values which can be used for Edge, Edge1, Edge2, PointOfEdge, PointOfEdge1, PointOfEdge2, Line, Circle1 and Circle2, and contains further examples on how to create constraints from Python scripts.