Method testEdgeWrapperRadius

tests/test_cad_objects.py:697–757

(self)

        self.assertTupleAlmostEquals(rot, (0, 15, 0), 6)

    def testEdgeWrapperRadius(self):

        # get a radius from a simple circle
        e0 = Edge.makeCircle(2.4)
        self.assertAlmostEqual(e0.radius(), 2.4)

        # radius of an arc
        e1 = Edge.makeCircle(1.8, pnt=(5, 6, 7), dir=(1, 1, 1), angle1=20, angle2=30)
        self.assertAlmostEqual(e1.radius(), 1.8)

        # test value errors
        e2 = Edge.makeEllipse(10, 20)
        with self.assertRaises(ValueError):
            e2.radius()

        # radius from a wire
        w0 = Wire.makeCircle(10, Vector(1, 2, 3), (-1, 0, 1))
        self.assertAlmostEqual(w0.radius(), 10)

        # radius from a wire with multiple edges
        rad = 2.3
        pnt = (7, 8, 9)
        direction = (1, 0.5, 0.1)
        w1 = Wire.assembleEdges(
            [
                Edge.makeCircle(rad, pnt, direction, 0, 10),
                Edge.makeCircle(rad, pnt, direction, 10, 25),
                Edge.makeCircle(rad, pnt, direction, 25, 230),
            ]
        )
        self.assertAlmostEqual(w1.radius(), rad)

        # test value error from wire
        w2 = Wire.makePolygon([Vector(-1, 0, 0), Vector(0, 1, 0), Vector(1, -1, 0),])
        with self.assertRaises(ValueError):
            w2.radius()

        # (I think) the radius of a wire is the radius of it's first edge.
        # Since this is stated in the docstring better make sure.
        no_rad = Wire.assembleEdges(
            [
                Edge.makeLine(Vector(0, 0, 0), Vector(0, 1, 0)),
                Edge.makeCircle(1.0, angle1=90, angle2=270),
            ]
        )
        with self.assertRaises(ValueError):
            no_rad.radius()
        yes_rad = Wire.assembleEdges(
            [
                Edge.makeCircle(1.0, angle1=90, angle2=270),
                Edge.makeLine(Vector(0, -1, 0), Vector(0, 1, 0)),
            ]
        )
        self.assertAlmostEqual(yes_rad.radius(), 1.0)
        many_rad = Wire.assembleEdges(
            [
                Edge.makeCircle(1.0, angle1=0, angle2=180),
                Edge.makeCircle(3.0, pnt=Vector(2, 0, 0), angle1=180, angle2=359),