Method radiusArc

cadquery/cq.py:2154–2188

Draw an arc from the current point to endPoint with an arc defined by the radius. :param endPoint: end point for the arc :type endPoint: 2-tuple, in workplane coordinates :param radius: the radius of the arc :type radius: float, the radius of the arc between

(
        self: T, endPoint: VectorLike, radius: float, forConstruction: bool = False,
    )

        return self.threePointArc(sagPoint, endPoint, forConstruction)

    def radiusArc(
        self: T, endPoint: VectorLike, radius: float, forConstruction: bool = False,
    ) -> T:
        """
        Draw an arc from the current point to endPoint with an arc defined by the radius.

        :param endPoint: end point for the arc
        :type endPoint: 2-tuple, in workplane coordinates
        :param radius: the radius of the arc
        :type radius: float, the radius of the arc between start point and end point.
        :return: a workplane with the current point at the end of the arc

        Given that a closed contour is drawn clockwise;
        A positive radius means convex arc and negative radius means concave arc.
        """

        startPoint = self._findFromPoint(useLocalCoords=True)
        endPoint = Vector(endPoint)

        # Calculate the sagitta from the radius
        length = endPoint.sub(startPoint).Length / 2.0
        try:
            sag = abs(radius)
            r_2_l_2 = radius ** 2 - length ** 2
            # Float imprecision can lead slightly negative values: consider them as zeros
            if abs(r_2_l_2) >= TOL:
                sag -= math.sqrt(r_2_l_2)
        except ValueError:
            raise ValueError("Arc radius is not large enough to reach the end point.")

        # Return a sagittaArc
        if radius > 0:
            return self.sagittaArc(endPoint, sag, forConstruction)
        else:
            return self.sagittaArc(endPoint, -sag, forConstruction)

    def tangentArcPoint(
        self: T,