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{{Docnav
{{Docnav
|[[Draft_Circle|Circle]]
|[[Draft_Fillet|Fillet]]
|[[Draft_Arc_3Points|Arc 3Points]]
|[[Draft_Arc_3Points|Arc 3Points]]
|[[Draft_Module|Draft]]
|[[Draft_Workbench|Draft]]
|IconL=Draft_Circle.svg
|IconL=Draft_Fillet.svg
|IconC=Workbench_Draft.svg
|IconR=Draft_Arc_3Points.svg
|IconR=Draft_Arc_3Points.svg
|IconC=Workbench_Draft.svg
}}
}}


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<div class="mw-translate-fuzzy">
{{GuiCommand/sv|Name=Draft Arc|Name/sv=Draft Arc|Workbenches=[[Draft Module/sv|Draft]], [[Arch Module/sv|Arch]]|MenuLocation=Draft -> Arc|Shortcut=A R|SeeAlso=[[Draft Circle/sv|Draft Circle]]}}
{{GuiCommand/sv|Name=Draft Arc|Name/sv=Draft Arc|Workbenches=[[Draft_Workbench/sv|Draft]], [[Arch_Workbench/sv|Arch]]|MenuLocation=Draft -> Arc|Shortcut=A R|SeeAlso=[[Draft Circle/sv|Draft Circle]]}}
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<span id="Description"></span>
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====Beskrivning====
====Beskrivning====
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The Arc tool creates a circular arc in the current [[Draft SelectPlane|work plane]] by entering four points, the center, a point that defines the radius, the first end point and the second end point, or by picking tangents, or any combination of those. It uses the [[Draft Linestyle|Draft Linestyle]] set on the [[Draft Tray|Draft Tray]].
The [[Image:Draft_Arc.svg|24px]] '''Draft Arc''' command creates a circular arc on the current [[Draft_SelectPlane|working plane]] from a center, a radius, a start angle and an aperture angle. The radius and the angles can be defined by picking points.


A Draft Arc is in fact a [[Draft_Circle|Draft Circle]] with a {{PropertyData|First Angle}} that is not the same as its {{PropertyData|Last Angle}}.
This tool works the same way as the [[Draft Circle|Draft Circle]] tool, but adds start and end angles. To draw an elliptical arc use [[Draft Ellipse|Draft Ellipse]]. You can also approximate a circular arc by using the [[Draft BSpline|Draft BSpline]], [[Draft BezCurve|Draft BezCurve]], and [[Draft CubicBezCurve|Draft CubicBezCurve]] tools.


[[Image:Draft_Arc_example.jpg|400px]]
[[Image:Draft_Arc_example.jpg|400px]]
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[[Image:Draft_Arc_example.jpg|400px]]
[[Image:Draft_Arc_example.jpg|400px]]
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==Usage==

See also: [[Draft_Tray|Draft Tray]], [[Draft_Snap|Draft Snap]] and [[Draft_Constrain|Draft Constrain]].


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* Nedtryckning av {{KEY|CTRL}} kommer att [[Draft_Snap/sv|snäppa]] din punkt till tillgängliga snäpp-punkter.
* Nedtryckning av {{KEY|CTRL}} kommer att [[Draft_Snap/sv|snäppa]] din punkt till tillgängliga snäpp-punkter.
* Nedtryckning av {{KEY|SKIFT}} kommer att [[Draft_Constrain/sv|begränsa]] din nya punkt i relation till föregående punkt.
* Nedtryckning av {{KEY|SKIFT}} kommer att [[Draft_Constrain/sv|begränsa]] din nya punkt i relation till föregående punkt.
* Skriv in siffror för att [[Draft_Coordinates/sv|manuellt mata in en koordinat]].
* Skriv in siffror för att manuellt mata in en koordinat.
* Den skapade cirkelbågen kommer att ha nuvarande [[Draft_Linestyle/sv|linjestil]].
* Nedtryckning av {{KEY|ALT}} när du väljer slutvinkeln kommer att ändra riktningen till moturs.
* Nedtryckning av {{KEY|ALT}} när du väljer slutvinkeln kommer att ändra riktningen till moturs.
* Om du trycker på {{KEY|ESC}} så avbryts funktionen.
* Om du trycker på {{KEY|ESC}} så avbryts funktionen.
</div>
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==Options==
The arc can be edited by double clicking on the element in the tree view, or by pressing the {{Button|[[Image:Draft Edit.svg|16px]] [[Draft Edit|Draft Edit]]}} button. Then you can move the center point to a new position.


The single character keyboard shortcuts available in the task panel can be changed. See [[Draft_Preferences|Draft Preferences]]. The shortcuts mentioned here are the default shortcuts (for version 0.22).
The arc can be turned into a circle after creation, by setting its first angle and last angle properties to the same value.


* To manually enter the coordinates for the center enter the X, Y and Z component, and press {{KEY|Enter}} after each. Or you can press the {{Button|[[Image:Draft_AddPoint.svg|16px]] Enter point}} button when you have the desired values. It is advisable to move the pointer out of the [[3D_view|3D view]] before entering coordinates.
==Options==
* Press {{KEY|G}} or click the {{MenuCommand|Global}} checkbox to toggle global mode. If global mode is on, coordinates are relative to the global coordinate system, else they are relative to the [[Draft_SelectPlane|working plane]] coordinate system. {{Version|0.20}}
* The primary use of the arc tool is by picking four points: the centre, a point on the circumference, the start of the arc, and its end.
* Press {{KEY|N}} or click the {{MenuCommand|Continue}} checkbox to toggle continue mode. If continue mode is on, the command will restart after finishing, allowing you to continue creating arcs.
** By pressing {{KEY|Alt}}, you can select a tangent instead of picking point, to define the base circle of the arc. You can therefore construct several types of circles by selecting one, two or three tangents.
* Press {{KEY|S}} to switch [[Draft_Snap|Draft snapping]] on or off.
* The direction of the arc depends on the movement you are doing with your mouse. If you start to move clockwise after the third point is entered, your arc will go clockwise. To go counter-clockwise, simply move your mouse back over the third point, until the arc starts drawing in the other direction.
* Press {{KEY|Esc}} or the {{Button|Close}} button to abort the command.
* To enter coordinates manually, simply enter the numbers, then press {{KEY|Enter}} between each X, Y and Z component. You can press the {{Button|[[Image:Draft_AddPoint.svg|16px]] [[Draft_AddPoint|add point]]}} button when you have the desired values to insert the point.
* Press {{KEY|T}} or click the checkbox to toggle ''continue'' mode. If continue mode is on, the Arc tool will restart after you finish the arc, allowing you to draw another one without pressing the tool button again.
* Hold {{KEY|Ctrl}} while drawing to force [[Draft_Snap|snapping]] your point to the nearest snap location, independently of the distance.
* Hold {{KEY|Shift}} while drawing to [[Draft_Constrain|constrain]] your point horizontally or vertically in relation to the center.
* Press {{KEY|Esc}} or the {{Button|Close}} button to abort the current command.


==Properties==
==Notes==
An Arc object shares all properties from a [[Draft Circle|Draft Circle]], but some properties only make sense for the circle.


* A Draft Arc can be edited with the [[Draft_Edit|Draft Edit]] command.
===Data===

* {{PropertyData|First Angle}}: specifies the angle of the first point of the arc.
==Preferences==
* {{PropertyData|Last Angle}}: specifies the angle of the last point of the arc.

* {{PropertyData|Radius}}: specifies the radius of the arc.
See also: [[Preferences_Editor|Preferences Editor]] and [[Draft_Preferences|Draft Preferences]].
* {{PropertyData|Make Face}}: specifies if the arc makes a face or not. This property only works if the shape is a full circle.

:To make an arc a full circle set the {{PropertyData|First Angle}} and {{PropertyData|Last Angle}} to the same value. The values 0&#176; and 360&#176; aren't considered the same, so if these two values are used, the circle will not form a face.
* If the {{MenuCommand|Edit → Preferences... → Draft → General → Create Part primitives if possible}} option is checked, the command will create a [[Part_Circle|Part Circle]] instead of a Draft Circle.

==Properties==


See [[Draft_Circle#Properties|Draft Circle]].
===View===
* {{PropertyView|Pattern}}: specifies a [[Draft Pattern|Draft Pattern]] with which to fill the face of the arc. This property only works if the arc is a full circle, and if {{PropertyData|Make Face}} is {{TRUE}}, and if {{PropertyView|Display Mode}} is "Flat Lines".
* {{PropertyView|Pattern Size}}: specifies the size of the [[Draft Pattern|Draft Pattern]].


==Scripting==
==Scripting==
{{Emphasis|See also:}} [[Draft API|Draft API]] and [[FreeCAD Scripting Basics|FreeCAD Scripting Basics]].


See also: [https://freecad.github.io/SourceDoc/ Autogenerated API documentation] and [[FreeCAD Scripting Basics|FreeCAD Scripting Basics]].
The Arc tool can be used in [[macros|macros]] and from the [[Python|Python]] console by using the same function to create circles, with additional arguments.

See the information in [[Draft Circle|Draft Circle]].
To create a Draft Arc use the {{incode|make_circle}} method ({{Version|0.19}}) of the Draft module. This method replaces the deprecated {{incode|makeCircle}} method.


Example:
Example:

{{Code|code=
{{Code|code=
import FreeCAD as App
import Draft
import Draft


doc = App.newDocument()
Arc1 = Draft.makeCircle(200, startangle=0, endangle=90)

Arc2 = Draft.makeCircle(500, startangle=20, endangle=160)
Arc3 = Draft.makeCircle(750, startangle=-30, endangle=-150)
arc1 = Draft.make_circle(200, startangle=0, endangle=90)
arc2 = Draft.make_circle(500, startangle=20, endangle=160)
arc3 = Draft.make_circle(750, startangle=-30, endangle=-150)

doc.recompute()
}}
}}



{{Docnav
{{Docnav
|[[Draft_Circle|Circle]]
|[[Draft_Fillet|Fillet]]
|[[Draft_Arc_3Points|Arc 3Points]]
|[[Draft_Arc_3Points|Arc 3Points]]
|[[Draft_Module|Draft]]
|[[Draft_Workbench|Draft]]
|IconL=Draft_Circle.svg
|IconL=Draft_Fillet.svg
|IconC=Workbench_Draft.svg
|IconR=Draft_Arc_3Points.svg
|IconR=Draft_Arc_3Points.svg
|IconC=Workbench_Draft.svg
}}
}}


{{Draft Tools navi}}
{{Draft Tools navi{{#translation:}}}}
{{Userdocnavi{{#translation:}}}}

{{Userdocnavi}}
{{clear}}

Latest revision as of 10:03, 30 January 2024

Draft Arc

Menyplacering
Draft -> Arc
Arbetsbänkar
Draft, Arch
Standard genväg
A R
Introducerad i version
-
Se även
Draft Circle

Beskrivning

Detta verktyg ritar en cirkelbåge genom att välja fyra punkter: centrum, radien, startvinkel och slutvinkel.

The Draft Arc command creates a circular arc on the current working plane from a center, a radius, a start angle and an aperture angle. The radius and the angles can be defined by picking points.

A Draft Arc is in fact a Draft Circle with a DataFirst Angle that is not the same as its DataLast Angle.

Usage

See also: Draft Tray, Draft Snap and Draft Constrain.

Bruk

  • Markera punkter i ett tomt område i 3d vyn, eller på ett existernade objekt.
  • Cirkelbågsverktyget ärver Cirkelverktygets funktionalitet för de två första stegen, så du kan trycka på ALT för att välja en tangent istället för centrum eller radie.
  • Nedtryckning av CTRL kommer att snäppa din punkt till tillgängliga snäpp-punkter.
  • Nedtryckning av SKIFT kommer att begränsa din nya punkt i relation till föregående punkt.
  • Skriv in siffror för att manuellt mata in en koordinat.
  • Nedtryckning av ALT när du väljer slutvinkeln kommer att ändra riktningen till moturs.
  • Om du trycker på ESC så avbryts funktionen.

Options

The single character keyboard shortcuts available in the task panel can be changed. See Draft Preferences. The shortcuts mentioned here are the default shortcuts (for version 0.22).

  • To manually enter the coordinates for the center enter the X, Y and Z component, and press Enter after each. Or you can press the Enter point button when you have the desired values. It is advisable to move the pointer out of the 3D view before entering coordinates.
  • Press G or click the Global checkbox to toggle global mode. If global mode is on, coordinates are relative to the global coordinate system, else they are relative to the working plane coordinate system. introduced in version 0.20
  • Press N or click the Continue checkbox to toggle continue mode. If continue mode is on, the command will restart after finishing, allowing you to continue creating arcs.
  • Press S to switch Draft snapping on or off.
  • Press Esc or the Close button to abort the command.

Notes

  • A Draft Arc can be edited with the Draft Edit command.

Preferences

See also: Preferences Editor and Draft Preferences.

  • If the Edit → Preferences... → Draft → General → Create Part primitives if possible option is checked, the command will create a Part Circle instead of a Draft Circle.

Properties

See Draft Circle.

Scripting

See also: Autogenerated API documentation and FreeCAD Scripting Basics.

To create a Draft Arc use the make_circle method (introduced in version 0.19) of the Draft module. This method replaces the deprecated makeCircle method.

Example:

import FreeCAD as App
import Draft

doc = App.newDocument()

arc1 = Draft.make_circle(200, startangle=0, endangle=90)
arc2 = Draft.make_circle(500, startangle=20, endangle=160)
arc3 = Draft.make_circle(750, startangle=-30, endangle=-150)

doc.recompute()