Sketcher ConstrainLock: Difference between revisions
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{{GuiCommand|Name=Sketcher ConstrainLock|Workbenches=[[Sketcher Workbench|Sketcher]], [[PartDesign Workbench|PartDesign]]|MenuLocation=Sketch → Sketcher constraints → Constrain lock|SeeAlso=[[Constraint PointOnPoint|Constraint Coincident]]}} |
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"Create a lock constraint on the selected item" |
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This constraint tool attempts to <em>fully constrain</em> any selected item. |
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NOTE: It is advised that this tool be exclusively used on points for the time-being: |
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{{Docnav |
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|[[Sketcher_ConstrainAngle|Angle]] |
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|[[Sketcher_ConstrainCoincidentUnified|Coincident (unified)]] |
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|[[Sketcher_Workbench|Sketcher]] |
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|IconL=Sketcher_ConstrainAngle.svg |
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|IconR=Sketcher_ConstrainCoincidentUnified.svg |
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|IconC=Workbench_Sketcher.svg |
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}} |
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Owing to the fact that FreeCAD is still under development - this tool exhibits strange behaviour when it attempts to 'lock' anything other than a point. For example (as of V0.12 R4802), when locking a circle by its circumferential line rather than its centre <em>point</em>, a horizontal constraint and a vertical constraint appear in the constraints dialogue, but they are both of value zero and do not appear in the graphics window. |
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{{GuiCommand |
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⚫ | |||
|Name=Sketcher ConstrainLock |
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#Firstly it is necessary to highlight an item you wish to constrain. For reasons alluded-to above it is wise to only highlight a <em>point</em>. |
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|MenuLocation=Sketch → Sketcher constraints → Constrain lock |
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[[File:LockConstraint1.png]] |
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|Workbenches=[[Sketcher_Workbench|Sketcher]] |
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#Highlighting of a drawing item is achieved by moving the mouse over the item and clicking the left-mouse-button. |
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|Shortcut={{KEY|K}} {{KEY|L}} |
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#A highlighted item will change colour to green. |
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|SeeAlso=[[Sketcher_ConstrainBlock|Sketcher ConstrainBlock]] |
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[[File:LockConstraint2.png]] |
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}} |
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#Once an item is highlighted, left-clicking on the <em>lock</em> constraint serves to lock the highlighted item in-place. This usually manifests as two constraints: a horizontal distance constraint from the drawing axis origin, and a vertical constraint from the drawing axis origin. |
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[[File:LockConstraint3.png]] |
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[[File:LockConstraint4.png]] |
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[[File:LockConstraint5.png]] |
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[[File:LockConstraint6.png]] |
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[[File:LockConstraint7.png]] |
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{{languages | {{es|Constraint_Lock/es}} {{it|Constraint_Lock/it}} }} |
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The [[Image:Sketcher_ConstrainLock.svg|24px]] [[Sketcher_ConstrainLock|Sketcher ConstrainLock]] tool applies [[Sketcher_ConstrainDistanceX|Horizontal distance]] and [[Sketcher_ConstrainDistanceY|Vertical distance]] constraints to points. If a single point is selected the constraints reference the origin of the sketch. If two or more points are selected the constraints reference the last point in the selection. |
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See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]]. |
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===[[Sketcher_Workbench#Continue_modes|Continue mode]]=== <!--T:16--> |
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# Make sure there is no selection. |
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# There are several ways to invoke the tool: |
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#* {{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_ConstrainLock.svg|16px]] Constrain lock}} option from the dropdown. |
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#* If this preference has a different value (and in {{VersionMinus|0.21}}): press the {{Button|[[Image:Sketcher_ConstrainLock.svg|16px]] [[Sketcher_ConstrainLock|Constrain lock]]}} button. |
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#* Select the {{MenuCommand|Sketch → Sketcher constraints → [[Image:Sketcher_ConstrainLock.svg|16px]] Constrain lock}} option from the menu. |
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#* {{Version|1.0}}: Right-click in the [[3D_view|3D view]] and select the {{MenuCommand|Dimension → [[Image:Sketcher_ConstrainLock.svg|16px]] Constrain lock}} option from the context menu. |
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#* Use the keyboard shortcut: {{KEY|K}} then {{KEY|L}}. |
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# The cursor changes to a cross with the tool icon. |
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# Select a single point. |
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# Two constraints are added. |
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# Optionally keep creating constraints. |
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# To finish, right-click or press {{KEY|Esc}}, or start another geometry or constraint creation tool. |
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===Run-once mode=== <!--T:17--> |
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# Select one or more points. |
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# Invoke the tool as explained above. |
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# Depending on the selection two or more constraints are added. |
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==Notes== <!--T:19--> |
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* There is no automatic prompt to edit the constraint values. If required values can be [[Sketcher_Workbench#Edit_constraints|edited manually]]. |
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{{Docnav |
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|[[Sketcher_ConstrainAngle|Angle]] |
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|[[Sketcher_ConstrainCoincidentUnified|Coincident (unified)]] |
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|[[Sketcher_Workbench|Sketcher]] |
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|IconL=Sketcher_ConstrainAngle.svg |
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|IconR=Sketcher_ConstrainCoincidentUnified.svg |
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|IconC=Workbench_Sketcher.svg |
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}} |
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{{Sketcher_Tools_navi{{#translation:}}}} |
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{{Userdocnavi{{#translation:}}}} |
Latest revision as of 10:04, 7 May 2024
Sketcher ConstrainLock |
Menu location |
---|
Sketch → Sketcher constraints → Constrain lock |
Workbenches |
Sketcher |
Default shortcut |
K L |
Introduced in version |
- |
See also |
Sketcher ConstrainBlock |
Description
The Sketcher ConstrainLock tool applies Horizontal distance and Vertical distance constraints to points. If a single point is selected the constraints reference the origin of the sketch. If two or more points are selected the constraints reference the last point in the selection.
Usage
See also: Drawing aids.
Continue mode
- Make sure there is no selection.
- 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 lock option from the dropdown. - If this preference has a different value (and in version 0.21 and below): press the Constrain lock button.
- Select the Sketch → Sketcher constraints → Constrain lock option from the menu.
- introduced in version 1.0: Right-click in the 3D view and select the Dimension → Constrain lock option from the context menu.
- Use the keyboard shortcut: K then L.
- introduced in version 1.0: If the Dimensioning constraints preference is set to
- The cursor changes to a cross with the tool icon.
- Select a single point.
- Two constraints are added.
- Optionally keep creating constraints.
- To finish, right-click or press Esc, or start another geometry or constraint creation tool.
Run-once mode
- Select one or more points.
- Invoke the tool as explained above.
- Depending on the selection two or more constraints are added.
Notes
- There is no automatic prompt to edit the constraint values. If required values can be edited manually.
Sketcher
- General: Create sketch, Edit sketch, Map sketch to face, Reorient sketch, Validate sketch, Merge sketches, Mirror sketch, Leave sketch, View sketch, View section, Toggle grid, Toggle snap, Configure rendering order, Stop operation
- Sketcher geometries: Point, Line, Arc, Arc by 3 points, Circle, Circle by 3 points, Ellipse, Ellipse by 3 points, Arc of ellipse, Arc of hyperbola, Arc of parabola, B-spline by control points, Periodic B-spline by control points, B-spline by knots, Periodic B-spline by knots, Polyline, Rectangle, Centered rectangle, Rounded rectangle, Triangle, Square, Pentagon, Hexagon, Heptagon, Octagon, Regular polygon, Slot, Fillet, Corner-preserving fillet, Trim, Extend, Split, External geometry, Carbon copy, Toggle construction geometry
- Sketcher constraints:
- Geometric constraints: Coincident, Point on object, Vertical, Horizontal, Parallel, Perpendicular, Tangent, Equal, Symmetric, Block
- Dimensional constraints: Lock, Horizontal distance, Vertical distance, Distance, Radius or weight, Diameter, Auto radius/diameter, Angle, Refraction (Snell's law)
- Constraint tools: Toggle driving/reference constraint, Activate/deactivate constraint
- Sketcher tools: Select unconstrained DoF, Select associated constraints, Select associated geometry, Select redundant constraints, Select conflicting constraints, Show/hide internal geometry, Select origin, Select horizontal axis, Select vertical axis, Symmetry, Clone, Copy, Move, Rectangular array, Remove axes alignment, Delete all geometry, Delete all constraints
- Sketcher B-spline tools: Show/hide B-spline degree, Show/hide B-spline control polygon, Show/hide B-spline curvature comb, Show/hide B-spline knot multiplicity, Show/hide B-spline control point weight, Convert geometry to B-spline, Increase B-spline degree, Decrease B-spline degree, Increase knot multiplicity, Decrease knot multiplicity, Insert knot, Join curves
- Sketcher virtual space: Switch virtual space
- Additional: Sketcher Dialog, Preferences, Sketcher scripting
User documentation
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub