Method test_bezier_curve

tests/test_workplanes.py:254–301

(self)

        self.assertAlmostEqual(r.findSolid().Volume(), 1.0, 5)

    def test_bezier_curve(self):
        # Quadratic bezier
        r = (
            Workplane("XZ")
            .bezier([(0, 0), (1, 2), (5, 0)])
            .bezier([(1, -2), (0, 0)], includeCurrent=True)
            .close()
            .extrude(1)
        )

        bbBox = r.findSolid().BoundingBox()
        # Why is the bounding box larger than expected?
        self.assertTupleAlmostEquals((bbBox.xlen, bbBox.ylen, bbBox.zlen), (5, 1, 2), 1)
        self.assertAlmostEqual(r.findSolid().Volume(), 6.6666667, 4)

        r = Workplane("XY").bezier([(0, 0), (1, 2), (2, -1), (5, 0)])
        self.assertTrue(len(r.ctx.pendingEdges) == 1)
        r = (
            r.lineTo(5, -0.1)
            .bezier([(2, -3), (1, 0), (0, 0)], includeCurrent=True)
            .close()
            .extrude(1)
        )

        bbBox = r.findSolid().BoundingBox()
        self.assertTupleAlmostEquals(
            (bbBox.xlen, bbBox.ylen, bbBox.zlen), (5, 2.06767, 1), 1
        )
        self.assertAlmostEqual(r.findSolid().Volume(), 4.975, 4)

        # Test makewire by translate and loft example like in
        # the documentation
        r = Workplane("XY").bezier([(0, 0), (1, 2), (1, -1), (0, 0)], makeWire=True)

        self.assertTrue(len(r.ctx.pendingWires) == 1)
        r = r.translate((0, 0, 0.2)).toPending().loft()
        self.assertAlmostEqual(r.findSolid().Volume(), 0.09, 4)

        # Finally test forConstruction
        r = Workplane("XY").bezier(
            [(0, 0), (1, 2), (1, -1), (0, 0)], makeWire=True, forConstruction=True
        )
        self.assertTrue(len(r.ctx.pendingWires) == 0)

        r = Workplane("XY").bezier(
            [(0, 0), (1, 2), (2, -1), (5, 0)], forConstruction=True
        )
        self.assertTrue(len(r.ctx.pendingEdges) == 0)