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Document Sketch.arc overloads #2120

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Document Sketch.arc overloads #2120

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15 changes: 15 additions & 0 deletions cadquery/sketch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -862,6 +862,8 @@ def arc(
) -> T:
"""
Construct an arc.

The arc starts at p1, passes through p2 and ends at p3.
"""

val = Edge.makeThreePointArc(Vector(p1), Vector(p2), Vector(p3))
Expand All @@ -876,6 +878,10 @@ def arc(
tag: Optional[str] = None,
forConstruction: bool = False,
) -> T:
"""
Construct an arc starting at the end of the last edge, passing through p2
and ending at p3.
"""

p1 = self._endPoint()
val = Edge.makeThreePointArc(Vector(p1), Vector(p2), Vector(p3))
Expand All @@ -892,6 +898,15 @@ def arc(
tag: Optional[str] = None,
forConstruction: bool = False,
) -> T:
"""
Construct an arc from its center, radius and angles.

:param c: Center.
:param r: Radius.
:param a: Start angle in degrees, measured counter-clockwise from the x axis.
:param da: Angle spanned by the arc in degrees, counter-clockwise if positive
and clockwise if negative. A full circle is made if ``abs(da) >= 360``.
"""

if abs(da) >= 360:
val = Edge.makeCircle(r, Vector(c), angle1=a, angle2=a, orientation=da > 0)
Expand Down