Sketcher CreateArc: Difference between revisions

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{{Docnav
{{Docnav
|[[Sketcher_CreateLine|Line]]
|[[Sketcher_CompCreateArc|Create an arc]]
|[[Sketcher_Create3PointArc|Arc by 3 Point]]
|[[Sketcher_Create3PointArc|Arc by 3 points]]
|[[Sketcher_Workbench|Sketcher]]
|[[Sketcher_Workbench|Sketcher]]
|IconL=Sketcher_CompCreateArc.png
|IconL=Sketcher_CreateLine.svg
|IconR=Sketcher_Create3PointArc.svg
|IconC=Workbench_Sketcher.svg
|IconC=Workbench_Sketcher.svg
|IconR=Sketcher CreateArc3Point.png
}}
}}


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{{GuiCommand
{{GuiCommand
|Icon=Sketcher Arc.png
|Name=Sketcher CreateArc
|Name=Sketcher CreateArc
|Workbenches=[[Sketcher Workbench|Sketcher]]
|MenuLocation=Sketch → Sketcher geometries → Create arc by center
|MenuLocation=Sketch → Sketcher geometries → Create arc by center
|SeeAlso=[[Sketcher CompCreateCircle|Sketcher Circle]]
|Workbenches=[[Sketcher_Workbench|Sketcher]]
|Shortcut={{KEY|G}} {{KEY|A}}
|SeeAlso=[[Sketcher_CreateCircle|Sketcher CreateCircle]]
}}
}}


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The [[Image:Sketcher_CreateArc.svg|24px]] [[Sketcher_CreateArc|Sketcher CreateArc]] tool creates an arc by its center and its endpoints. {{Version|0.22}}: Or optionally by its endpoints and a point along the arc.
This tool draws an arc by picking three points: the center, the start angle along the radius, and the end angle.


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[[Image:Sketcher_ArcExample3.png|400px]]
When starting the tool, the mouse pointer changes to a white cross with a red arc icon. The coordinates of the pointer are shown beside it in blue in real time.
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{{Caption|Arc created in Center mode with automatically applied constraints defined by entering all On-View-Parameters}}


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==Usage== <!--T:6-->
[[Image:Sketcher_ArcExample1.png|The center has been selected, dragging to set the radius‎]] [[Image:Sketcher_ArcExample2.png|407x360px|The center and start angle have been selected, dragging to set end angle‎]]


==How to use== <!--T:6-->
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See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]].

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Pos-OVP = Positional [[Sketcher_Preferences#General|On-View-Parameters]]. {{Version|0.22}}<br>
Dim-OVP = Dimensional On-View-Parameters. {{Version|0.22}}


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# There are several ways to invoke the tool:
* Pick points on an empty area of the 3D view, or on an existing object (auto constraints must be active in TaskView).
#* Press the {{Button|[[Image:Sketcher_CreateArc.svg|16px]] [[Sketcher_CreateArc|Center and endpoints]]}} button.
* Pressing {{KEY|Esc}} or clicking the right mouse button cancels the function.
#* Select the {{MenuCommand|Sketcher → Sketcher geometries → [[Image:Sketcher_CreateArc.svg|16px]] Create arc by center}} option from the menu.
#* Right-click in the [[3D_view|3D view]] and select the {{MenuCommand|[[Image:Sketcher_CreateArc.svg|16px]] Create arc by center}} option from the context menu.
#* Use the keyboard shortcut: {{KEY|G}} then {{KEY|A}}.
# The cursor changes to a cross with the current tool mode icon.
# The '''Arc parameters''' section ({{Version|0.22}}) is added at the top of the [[Sketcher_Dialog|Sketcher Dialog]].
# Optionally press the {{KEY|M}} key or select from the dropdown list in the parameters section to change the tool mode:
#* [[Image:Sketcher_CreateArc.svg|16px]] '''Center''':
#*# Pick the center of the arc. Or with Pos-OVP: enter its X and/or Y coordinate.
#*# Pick the start point of the arc, this also defines the radius. Or with Dim-OVP: enter the radius and/or start angle of the arc. The angle is relative to the X axis of the sketch. No constraint is created for this angle.
#*# Pick the endpoint of the arc. Or with Dim-OVP: enter the aperture angle of the arc.
#* [[Image:Sketcher_Create3PointArc.svg|16px]] '''3 rim points''': {{Version|0.22}}
#*# Pick the start and end points of the arc. Or with Pos-OVP: enter their X and/or Y coordinates.
#*# Pick another point to define the radius. Or with Pos-OVP: enter its X and/or Y coordinate. No constraints are created for this point.
# The arc is created and applicable Pos-OVP and Dim-OVP based constraints are added.
# If the tool runs in [[Sketcher_Workbench#Continue_modes|continue mode]]:
## Optionally keep creating arcs.
## To finish, right-click or press {{KEY|Esc}}, or start another geometry or constraint creation tool.



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{{Docnav
{{Docnav
|[[Sketcher_CreateLine|Line]]
|[[Sketcher_CompCreateArc|Create an arc]]
|[[Sketcher_Create3PointArc|Arc by 3 Point]]
|[[Sketcher_Create3PointArc|Arc by 3 points]]
|[[Sketcher_Workbench|Sketcher]]
|[[Sketcher_Workbench|Sketcher]]
|IconL=Sketcher_CompCreateArc.png
|IconL=Sketcher_CreateLine.svg
|IconR=Sketcher_Create3PointArc.svg
|IconC=Workbench_Sketcher.svg
|IconC=Workbench_Sketcher.svg
|IconR=Sketcher CreateArc3Point.png
}}
}}

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{{Sketcher Tools navi}}

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{{Userdocnavi}}


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Latest revision as of 09:23, 18 April 2024

Other languages:

Sketcher CreateArc

Menu location
Sketch → Sketcher geometries → Create arc by center
Workbenches
Sketcher
Default shortcut
G A
Introduced in version
-
See also
Sketcher CreateCircle

Description

The Sketcher CreateArc tool creates an arc by its center and its endpoints. introduced in version 0.22: Or optionally by its endpoints and a point along the arc.

Arc created in Center mode with automatically applied constraints defined by entering all On-View-Parameters

Usage

See also: Drawing aids.

Pos-OVP = Positional On-View-Parameters. introduced in version 0.22
Dim-OVP = Dimensional On-View-Parameters. introduced in version 0.22

  1. There are several ways to invoke the tool:
    • Press the Center and endpoints button.
    • Select the Sketcher → Sketcher geometries → Create arc by center option from the menu.
    • Right-click in the 3D view and select the Create arc by center option from the context menu.
    • Use the keyboard shortcut: G then A.
  2. The cursor changes to a cross with the current tool mode icon.
  3. The Arc parameters section (introduced in version 0.22) is added at the top of the Sketcher Dialog.
  4. Optionally press the M key or select from the dropdown list in the parameters section to change the tool mode:
    • Center:
      1. Pick the center of the arc. Or with Pos-OVP: enter its X and/or Y coordinate.
      2. Pick the start point of the arc, this also defines the radius. Or with Dim-OVP: enter the radius and/or start angle of the arc. The angle is relative to the X axis of the sketch. No constraint is created for this angle.
      3. Pick the endpoint of the arc. Or with Dim-OVP: enter the aperture angle of the arc.
    • 3 rim points: introduced in version 0.22
      1. Pick the start and end points of the arc. Or with Pos-OVP: enter their X and/or Y coordinates.
      2. Pick another point to define the radius. Or with Pos-OVP: enter its X and/or Y coordinate. No constraints are created for this point.
  5. The arc is created and applicable Pos-OVP and Dim-OVP based constraints are added.
  6. If the tool runs in continue mode:
    1. Optionally keep creating arcs.
    2. To finish, right-click or press Esc, or start another geometry or constraint creation tool.


Sketcher
User documentation
Retrieved from "http://wiki.freecad.org/index.php?title=Sketcher_CreateArc&oldid=1399452"