mirror of
https://github.com/gumyr/build123d.git
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1062 lines
36 KiB
Python
1062 lines
36 KiB
Python
# system modules
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import math
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import unittest
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from OCP.gp import (
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gp_Vec,
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gp_Pnt,
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gp_Ax2,
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gp_Circ,
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gp_Elips,
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gp,
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gp_XYZ,
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gp_Trsf,
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gp_Ax1,
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gp_Dir,
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)
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from OCP.BRepBuilderAPI import BRepBuilderAPI_MakeEdge
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from build123d import *
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from build123d import Shape, Matrix, BoundBox
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DEG2RAD = math.pi / 180
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RAD2DEG = 180 / math.pi
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def _assertTupleAlmostEquals(self, expected, actual, places, msg=None):
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"""Check Tuples"""
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for i, j in zip(actual, expected):
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self.assertAlmostEqual(i, j, places, msg=msg)
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unittest.TestCase.assertTupleAlmostEquals = _assertTupleAlmostEquals
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class TestCadObjects(unittest.TestCase):
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def _make_circle(self):
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circle = gp_Circ(gp_Ax2(gp_Pnt(1, 2, 3), gp.DZ_s()), 2.0)
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return Shape.cast(BRepBuilderAPI_MakeEdge(circle).Edge())
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def _make_ellipse(self):
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ellipse = gp_Elips(gp_Ax2(gp_Pnt(1, 2, 3), gp.DZ_s()), 4.0, 2.0)
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return Shape.cast(BRepBuilderAPI_MakeEdge(ellipse).Edge())
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def test_vector_constructors(self):
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v1 = Vector(1, 2, 3)
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v2 = Vector((1, 2, 3))
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v3 = Vector(gp_Vec(1, 2, 3))
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v4 = Vector([1, 2, 3])
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v5 = Vector(gp_XYZ(1, 2, 3))
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for v in [v1, v2, v3, v4, v5]:
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self.assertTupleAlmostEquals((1, 2, 3), v.to_tuple(), 4)
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v6 = Vector((1, 2))
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v7 = Vector([1, 2])
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v8 = Vector(1, 2)
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for v in [v6, v7, v8]:
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self.assertTupleAlmostEquals((1, 2, 0), v.to_tuple(), 4)
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v9 = Vector()
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self.assertTupleAlmostEquals((0, 0, 0), v9.to_tuple(), 4)
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v9.X = 1.0
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v9.Y = 2.0
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v9.Z = 3.0
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self.assertTupleAlmostEquals((1, 2, 3), (v9.X, v9.Y, v9.Z), 4)
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with self.assertRaises(TypeError):
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Vector("vector")
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with self.assertRaises(TypeError):
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Vector(1, 2, 3, 4)
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def test_vector_rotate(self):
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"""Validate vector rotate methods"""
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vector_x = Vector(1, 0, 1).rotate_x(45)
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vector_y = Vector(1, 2, 1).rotate_y(45)
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vector_z = Vector(-1, -1, 3).rotate_z(45)
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self.assertTupleAlmostEquals(
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vector_x.to_tuple(), (1, -math.sqrt(2) / 2, math.sqrt(2) / 2), 7
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)
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self.assertTupleAlmostEquals(vector_y.to_tuple(), (math.sqrt(2), 2, 0), 7)
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self.assertTupleAlmostEquals(vector_z.to_tuple(), (0, -math.sqrt(2), 3), 7)
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def test_get_signed_angle(self):
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"""Verify getSignedAngle calculations with and without a provided normal"""
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a = math.pi / 3
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v1 = Vector(1, 0, 0)
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v2 = Vector(math.cos(a), -math.sin(a), 0)
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d1 = v1.get_signed_angle(v2)
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d2 = v1.get_signed_angle(v2, Vector(0, 0, 1))
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self.assertAlmostEqual(d1, a * 180 / math.pi)
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self.assertAlmostEqual(d2, -a * 180 / math.pi)
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def test_center(self):
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v = Vector(1, 1, 1)
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self.assertAlmostEqual(v, v.center())
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# def test_to_vertex(self):
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# """Verify conversion of Vector to Vertex"""
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# v = Vector(1, 2, 3).to_vertex()
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# self.assertTrue(isinstance(v, Vertex))
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# self.assertTupleAlmostEquals(v.to_tuple(), (1, 2, 3), 5)
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def test_vertex(self):
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"""
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Tests basic vertex functions
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"""
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v = Vertex.make_vertex(1, 1, 1)
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self.assertEqual(1, v.X)
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self.assertEqual(Vector, type(v.center()))
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def test_basic_bounding_box(self):
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v = Vertex.make_vertex(1, 1, 1)
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v2 = Vertex.make_vertex(2, 2, 2)
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self.assertEqual(BoundBox, type(v.bounding_box()))
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self.assertEqual(BoundBox, type(v2.bounding_box()))
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bb1 = v.bounding_box().add(v2.bounding_box())
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# OCC uses some approximations
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self.assertAlmostEqual(bb1.xlen, 1.0, 1)
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# Test adding to an existing bounding box
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v0 = Vertex.make_vertex(0, 0, 0)
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bb2 = v0.bounding_box().add(v.bounding_box())
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bb3 = bb1.add(bb2)
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self.assertTupleAlmostEquals((2, 2, 2), (bb3.xlen, bb3.ylen, bb3.zlen), 7)
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bb3 = bb2.add((3, 3, 3))
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self.assertTupleAlmostEquals((3, 3, 3), (bb3.xlen, bb3.ylen, bb3.zlen), 7)
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bb3 = bb2.add(Vector(3, 3, 3))
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self.assertTupleAlmostEquals((3, 3, 3), (bb3.xlen, bb3.ylen, bb3.zlen), 7)
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# Test 2D bounding boxes
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bb1 = (
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Vertex.make_vertex(1, 1, 0)
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.bounding_box()
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.add(Vertex.make_vertex(2, 2, 0).bounding_box())
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)
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bb2 = (
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Vertex.make_vertex(0, 0, 0)
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.bounding_box()
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.add(Vertex.make_vertex(3, 3, 0).bounding_box())
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)
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bb3 = (
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Vertex.make_vertex(0, 0, 0)
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.bounding_box()
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.add(Vertex.make_vertex(1.5, 1.5, 0).bounding_box())
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)
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# Test that bb2 contains bb1
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self.assertEqual(bb2, BoundBox.find_outside_box_2d(bb1, bb2))
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self.assertEqual(bb2, BoundBox.find_outside_box_2d(bb2, bb1))
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# Test that neither bounding box contains the other
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self.assertIsNone(BoundBox.find_outside_box_2d(bb1, bb3))
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# Test creation of a bounding box from a shape - note the low accuracy comparison
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# as the box is a little larger than the shape
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bb1 = BoundBox._from_topo_ds(Solid.make_cylinder(1, 1).wrapped, optimal=False)
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self.assertTupleAlmostEquals((2, 2, 1), (bb1.xlen, bb1.ylen, bb1.zlen), 1)
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bb2 = BoundBox._from_topo_ds(
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Solid.make_cylinder(0.5, 0.5).translate((0, 0, 0.1)).wrapped, optimal=False
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)
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self.assertTrue(bb2.is_inside(bb1))
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def test_edge_wrapper_center(self):
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e = self._make_circle()
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self.assertTupleAlmostEquals((1.0, 2.0, 3.0), e.center().to_tuple(), 3)
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def test_edge_wrapper_ellipse_center(self):
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e = self._make_ellipse()
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w = Wire.assemble_edges([e])
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self.assertTupleAlmostEquals(
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(1.0, 2.0, 3.0), Face.make_from_wires(w).center().to_tuple(), 3
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)
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def test_edge_wrapper_make_circle(self):
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halfCircleEdge = Edge.make_circle(
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radius=10, pnt=(0, 0, 0), dir=(0, 0, 1), angle1=0, angle2=180
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)
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# self.assertTupleAlmostEquals((0.0, 5.0, 0.0), halfCircleEdge.centerOfBoundBox(0.0001).to_tuple(),3)
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self.assertTupleAlmostEquals(
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(10.0, 0.0, 0.0), halfCircleEdge.start_point().to_tuple(), 3
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)
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self.assertTupleAlmostEquals(
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(-10.0, 0.0, 0.0), halfCircleEdge.end_point().to_tuple(), 3
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)
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def test_edge_wrapper_make_tangent_arc(self):
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tangent_arc = Edge.make_tangent_arc(
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Vector(1, 1), # starts at 1, 1
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Vector(0, 1), # tangent at start of arc is in the +y direction
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Vector(2, 1), # arc cureturn_valuees 180 degrees and ends at 2, 1
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)
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self.assertTupleAlmostEquals((1, 1, 0), tangent_arc.start_point().to_tuple(), 3)
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self.assertTupleAlmostEquals((2, 1, 0), tangent_arc.end_point().to_tuple(), 3)
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self.assertTupleAlmostEquals(
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(0, 1, 0), tangent_arc.tangent_at(location_param=0).to_tuple(), 3
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)
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self.assertTupleAlmostEquals(
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(1, 0, 0), tangent_arc.tangent_at(location_param=0.5).to_tuple(), 3
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)
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self.assertTupleAlmostEquals(
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(0, -1, 0), tangent_arc.tangent_at(location_param=1).to_tuple(), 3
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)
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def test_edge_wrapper_make_ellipse1(self):
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# Check x_radius > y_radius
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x_radius, y_radius = 20, 10
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angle1, angle2 = -75.0, 90.0
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arcEllipseEdge = Edge.make_ellipse(
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x_radius=x_radius,
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y_radius=y_radius,
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pnt=(0, 0, 0),
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dir=(0, 0, 1),
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angle1=angle1,
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angle2=angle2,
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)
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start = (
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x_radius * math.cos(angle1 * DEG2RAD),
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y_radius * math.sin(angle1 * DEG2RAD),
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0.0,
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)
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end = (
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x_radius * math.cos(angle2 * DEG2RAD),
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y_radius * math.sin(angle2 * DEG2RAD),
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0.0,
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)
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self.assertTupleAlmostEquals(start, arcEllipseEdge.start_point().to_tuple(), 3)
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self.assertTupleAlmostEquals(end, arcEllipseEdge.end_point().to_tuple(), 3)
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def test_edge_wrapper_make_ellipse2(self):
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# Check x_radius < y_radius
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x_radius, y_radius = 10, 20
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angle1, angle2 = 0.0, 45.0
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arcEllipseEdge = Edge.make_ellipse(
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x_radius=x_radius,
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y_radius=y_radius,
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pnt=(0, 0, 0),
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dir=(0, 0, 1),
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angle1=angle1,
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angle2=angle2,
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)
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start = (
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x_radius * math.cos(angle1 * DEG2RAD),
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y_radius * math.sin(angle1 * DEG2RAD),
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0.0,
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)
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end = (
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x_radius * math.cos(angle2 * DEG2RAD),
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y_radius * math.sin(angle2 * DEG2RAD),
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0.0,
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)
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self.assertTupleAlmostEquals(start, arcEllipseEdge.start_point().to_tuple(), 3)
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self.assertTupleAlmostEquals(end, arcEllipseEdge.end_point().to_tuple(), 3)
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def test_edge_wrapper_make_circle_with_ellipse(self):
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# Check x_radius == y_radius
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x_radius, y_radius = 20, 20
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angle1, angle2 = 15.0, 60.0
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arcEllipseEdge = Edge.make_ellipse(
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x_radius=x_radius,
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y_radius=y_radius,
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pnt=(0, 0, 0),
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dir=(0, 0, 1),
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angle1=angle1,
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angle2=angle2,
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)
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start = (
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x_radius * math.cos(angle1 * DEG2RAD),
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y_radius * math.sin(angle1 * DEG2RAD),
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0.0,
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)
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end = (
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x_radius * math.cos(angle2 * DEG2RAD),
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y_radius * math.sin(angle2 * DEG2RAD),
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0.0,
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)
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self.assertTupleAlmostEquals(start, arcEllipseEdge.start_point().to_tuple(), 3)
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self.assertTupleAlmostEquals(end, arcEllipseEdge.end_point().to_tuple(), 3)
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def test_face_wrapper_make_plane(self):
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mplane = Face.make_plane(10, 10)
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self.assertTupleAlmostEquals((0.0, 0.0, 1.0), mplane.normal_at().to_tuple(), 3)
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def test_center_of_boundbox(self):
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pass
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def test_combined_center_of_boundbox(self):
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pass
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# def testCompoundcenter(self):
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# """
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# Tests whether or not a proper weighted center can be found for a compound
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# """
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# def cylinders(self, radius, height):
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# c = Solid.make_cylinder(radius, height, Vector())
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# # Combine all the cylinders into a single compound
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# r = self.eachpoint(lambda loc: c.located(loc), True).combinesolids()
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# return r
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# Workplane.cyl = cylinders
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# # Now test. here we want weird workplane to see if the objects are transformed right
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# s = (
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# Workplane("XY")
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# .rect(2.0, 3.0, for_construction=true)
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# .vertices()
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# .cyl(0.25, 0.5)
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# )
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# self.assertEqual(4, len(s.val().solids()))
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# self.assertTupleAlmostEquals((0.0, 0.0, 0.25), s.val().center().to_tuple(), 3)
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def test_dot(self):
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v1 = Vector(2, 2, 2)
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v2 = Vector(1, -1, 1)
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self.assertEqual(2.0, v1.dot(v2))
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def test_vector_add(self):
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result = Vector(1, 2, 0) + Vector(0, 0, 3)
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self.assertTupleAlmostEquals((1.0, 2.0, 3.0), result.to_tuple(), 3)
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def test_vector_operators(self):
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result = Vector(1, 1, 1) + Vector(2, 2, 2)
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self.assertEqual(Vector(3, 3, 3), result)
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result = Vector(1, 2, 3) - Vector(3, 2, 1)
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self.assertEqual(Vector(-2, 0, 2), result)
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result = Vector(1, 2, 3) * 2
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self.assertEqual(Vector(2, 4, 6), result)
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result = 3 * Vector(1, 2, 3)
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self.assertEqual(Vector(3, 6, 9), result)
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result = Vector(2, 4, 6) / 2
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self.assertEqual(Vector(1, 2, 3), result)
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self.assertEqual(Vector(-1, -1, -1), -Vector(1, 1, 1))
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self.assertEqual(0, abs(Vector(0, 0, 0)))
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self.assertEqual(1, abs(Vector(1, 0, 0)))
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self.assertEqual((1 + 4 + 9) ** 0.5, abs(Vector(1, 2, 3)))
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def test_vector_equals(self):
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a = Vector(1, 2, 3)
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b = Vector(1, 2, 3)
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c = Vector(1, 2, 3.000001)
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self.assertEqual(a, b)
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self.assertEqual(a, c)
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def test_vector_project(self):
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"""
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Test line projection and plane projection methods of Vector
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"""
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decimal_places = 9
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normal = Vector(1, 2, 3)
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base = Vector(5, 7, 9)
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x_dir = Vector(1, 0, 0)
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# test passing Plane object
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point = Vector(10, 11, 12).project_to_plane(Plane(base, x_dir, normal))
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self.assertTupleAlmostEquals(
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point.to_tuple(), (59 / 7, 55 / 7, 51 / 7), decimal_places
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)
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# test line projection
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vec = Vector(10, 10, 10)
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line = Vector(3, 4, 5)
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angle = vec.get_angle(line)
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vecLineProjection = vec.project_to_line(line)
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self.assertTupleAlmostEquals(
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vecLineProjection.normalized().to_tuple(),
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line.normalized().to_tuple(),
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decimal_places,
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)
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self.assertAlmostEqual(
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vec.length * math.cos(angle), vecLineProjection.length, decimal_places
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)
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def test_vector_not_implemented(self):
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v = Vector(1, 2, 3)
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with self.assertRaises(NotImplementedError):
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v.distance_to_line()
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with self.assertRaises(NotImplementedError):
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v.distance_to_plane()
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def test_vector_special_methods(self):
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v = Vector(1, 2, 3)
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self.assertEqual(repr(v), "Vector: (1.0, 2.0, 3.0)")
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self.assertEqual(str(v), "Vector: (1.0, 2.0, 3.0)")
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def test_matrix_creation_and_access(self):
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def matrix_vals(m):
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return [[m[r, c] for c in range(4)] for r in range(4)]
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# default constructor creates a 4x4 identity matrix
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m = Matrix()
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identity = [
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[1.0, 0.0, 0.0, 0.0],
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[0.0, 1.0, 0.0, 0.0],
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[0.0, 0.0, 1.0, 0.0],
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[0.0, 0.0, 0.0, 1.0],
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]
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self.assertEqual(identity, matrix_vals(m))
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vals4x4 = [
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[1.0, 0.0, 0.0, 1.0],
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[0.0, 1.0, 0.0, 2.0],
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[0.0, 0.0, 1.0, 3.0],
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[0.0, 0.0, 0.0, 1.0],
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]
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vals4x4_tuple = tuple(tuple(r) for r in vals4x4)
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# test constructor with 16-value input
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m = Matrix(vals4x4)
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self.assertEqual(vals4x4, matrix_vals(m))
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m = Matrix(vals4x4_tuple)
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self.assertEqual(vals4x4, matrix_vals(m))
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# test constructor with 12-value input (the last 4 are an implied
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# [0,0,0,1])
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m = Matrix(vals4x4[:3])
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self.assertEqual(vals4x4, matrix_vals(m))
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m = Matrix(vals4x4_tuple[:3])
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self.assertEqual(vals4x4, matrix_vals(m))
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# Test 16-value input with invalid values for the last 4
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invalid = [
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[1.0, 0.0, 0.0, 1.0],
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[0.0, 1.0, 0.0, 2.0],
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[0.0, 0.0, 1.0, 3.0],
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[1.0, 2.0, 3.0, 4.0],
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]
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with self.assertRaises(ValueError):
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Matrix(invalid)
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# Test input with invalid type
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with self.assertRaises(TypeError):
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Matrix("invalid")
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# Test input with invalid size / nested types
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with self.assertRaises(TypeError):
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Matrix([[1, 2, 3, 4], [1, 2, 3], [1, 2, 3, 4]])
|
|
with self.assertRaises(TypeError):
|
|
Matrix([1, 2, 3])
|
|
|
|
# Invalid sub-type
|
|
with self.assertRaises(TypeError):
|
|
Matrix([[1, 2, 3, 4], "abc", [1, 2, 3, 4]])
|
|
|
|
# test out-of-bounds access
|
|
m = Matrix()
|
|
with self.assertRaises(IndexError):
|
|
m[0, 4]
|
|
with self.assertRaises(IndexError):
|
|
m[4, 0]
|
|
with self.assertRaises(IndexError):
|
|
m["ab"]
|
|
|
|
# test __repr__ methods
|
|
m = Matrix(vals4x4)
|
|
mRepr = "Matrix([[1.0, 0.0, 0.0, 1.0],\n [0.0, 1.0, 0.0, 2.0],\n [0.0, 0.0, 1.0, 3.0],\n [0.0, 0.0, 0.0, 1.0]])"
|
|
self.assertEqual(repr(m), mRepr)
|
|
self.assertEqual(str(eval(repr(m))), mRepr)
|
|
|
|
def test_matrix_functionality(self):
|
|
# Test rotate methods
|
|
def matrix_almost_equal(m, target_matrix):
|
|
for r, row in enumerate(target_matrix):
|
|
for c, target_value in enumerate(row):
|
|
self.assertAlmostEqual(m[r, c], target_value)
|
|
|
|
root_3_over_2 = math.sqrt(3) / 2
|
|
m_rotate_x_30 = [
|
|
[1, 0, 0, 0],
|
|
[0, root_3_over_2, -1 / 2, 0],
|
|
[0, 1 / 2, root_3_over_2, 0],
|
|
[0, 0, 0, 1],
|
|
]
|
|
mx = Matrix()
|
|
mx.rotate_x(30 * DEG2RAD)
|
|
matrix_almost_equal(mx, m_rotate_x_30)
|
|
|
|
m_rotate_y_30 = [
|
|
[root_3_over_2, 0, 1 / 2, 0],
|
|
[0, 1, 0, 0],
|
|
[-1 / 2, 0, root_3_over_2, 0],
|
|
[0, 0, 0, 1],
|
|
]
|
|
my = Matrix()
|
|
my.rotate_y(30 * DEG2RAD)
|
|
matrix_almost_equal(my, m_rotate_y_30)
|
|
|
|
m_rotate_z_30 = [
|
|
[root_3_over_2, -1 / 2, 0, 0],
|
|
[1 / 2, root_3_over_2, 0, 0],
|
|
[0, 0, 1, 0],
|
|
[0, 0, 0, 1],
|
|
]
|
|
mz = Matrix()
|
|
mz.rotate_z(30 * DEG2RAD)
|
|
matrix_almost_equal(mz, m_rotate_z_30)
|
|
|
|
# Test matrix multipy vector
|
|
v = Vector(1, 0, 0)
|
|
self.assertTupleAlmostEquals(
|
|
mz.multiply(v).to_tuple(), (root_3_over_2, 1 / 2, 0), 7
|
|
)
|
|
|
|
# Test matrix multipy matrix
|
|
m_rotate_xy_30 = [
|
|
[root_3_over_2, 0, 1 / 2, 0],
|
|
[1 / 4, root_3_over_2, -root_3_over_2 / 2, 0],
|
|
[-root_3_over_2 / 2, 1 / 2, 3 / 4, 0],
|
|
[0, 0, 0, 1],
|
|
]
|
|
mxy = mx.multiply(my)
|
|
matrix_almost_equal(mxy, m_rotate_xy_30)
|
|
|
|
# Test matrix inverse
|
|
vals4x4 = [[1, 2, 3, 4], [5, 1, 6, 7], [8, 9, 1, 10], [0, 0, 0, 1]]
|
|
vals4x4_invert = [
|
|
[-53 / 144, 25 / 144, 1 / 16, -53 / 144],
|
|
[43 / 144, -23 / 144, 1 / 16, -101 / 144],
|
|
[37 / 144, 7 / 144, -1 / 16, -107 / 144],
|
|
[0, 0, 0, 1],
|
|
]
|
|
m = Matrix(vals4x4).inverse()
|
|
matrix_almost_equal(m, vals4x4_invert)
|
|
|
|
def test_translate(self):
|
|
e = Edge.make_circle(2, (1, 2, 3))
|
|
e2 = e.translate(Vector(0, 0, 1))
|
|
|
|
self.assertTupleAlmostEquals((1.0, 2.0, 4.0), e2.center().to_tuple(), 3)
|
|
|
|
def test_vertices(self):
|
|
e = Shape.cast(BRepBuilderAPI_MakeEdge(gp_Pnt(0, 0, 0), gp_Pnt(1, 1, 0)).Edge())
|
|
self.assertEqual(2, len(e.vertices()))
|
|
|
|
def test_plane_equal(self):
|
|
# default orientation
|
|
self.assertEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 0, 1)),
|
|
)
|
|
# moved origin
|
|
self.assertEqual(
|
|
Plane(origin=(2, 1, -1), x_dir=(1, 0, 0), normal=(0, 0, 1)),
|
|
Plane(origin=(2, 1, -1), x_dir=(1, 0, 0), normal=(0, 0, 1)),
|
|
)
|
|
# moved x-axis
|
|
self.assertEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 1, 0), normal=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 1, 0), normal=(0, 0, 1)),
|
|
)
|
|
# moved z-axis
|
|
self.assertEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 1, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 1, 1)),
|
|
)
|
|
|
|
def test_plane_not_equal(self):
|
|
# type difference
|
|
for value in [None, 0, 1, "abc"]:
|
|
self.assertNotEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 0, 1)), value
|
|
)
|
|
# origin difference
|
|
self.assertNotEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 1), x_dir=(1, 0, 0), normal=(0, 0, 1)),
|
|
)
|
|
# x-axis difference
|
|
self.assertNotEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 1, 0), normal=(0, 0, 1)),
|
|
)
|
|
# z-axis difference
|
|
self.assertNotEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 1, 1)),
|
|
)
|
|
|
|
def test_invalid_plane(self):
|
|
# Test plane creation error handling
|
|
with self.assertRaises(ValueError):
|
|
Plane(origin=(0, 0, 0), x_dir=(0, 0, 0), normal=(0, 1, 1))
|
|
with self.assertRaises(ValueError):
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 0, 0))
|
|
|
|
def test_plane_methods(self):
|
|
# Test error checking
|
|
p = Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), normal=(0, 1, 0))
|
|
with self.assertRaises(ValueError):
|
|
p.to_local_coords("box")
|
|
with self.assertRaises(NotImplementedError):
|
|
p.mirror_in_plane([Solid.make_box(1, 1, 1)], "Z")
|
|
|
|
# Test translation to local coordinates
|
|
# local_box = Workplane(p.to_local_coords(Solid.make_box(1, 1, 1)))
|
|
local_box = p.to_local_coords(Solid.make_box(1, 1, 1))
|
|
# local_box_vertices = [(v.X, v.Y, v.Z) for v in local_box.vertices().vals()]
|
|
local_box_vertices = [(v.X, v.Y, v.Z) for v in local_box.vertices()]
|
|
target_vertices = [
|
|
(0, -1, 0),
|
|
(0, 0, 0),
|
|
(0, -1, 1),
|
|
(0, 0, 1),
|
|
(1, -1, 0),
|
|
(1, 0, 0),
|
|
(1, -1, 1),
|
|
(1, 0, 1),
|
|
]
|
|
for i, target_point in enumerate(target_vertices):
|
|
self.assertTupleAlmostEquals(target_point, local_box_vertices[i], 7)
|
|
|
|
# Test mirror_in_plane
|
|
# mirror_box = Workplane(p.mirror_in_plane([Solid.make_box(1, 1, 1)], "Y")[0])
|
|
mirror_box = p.mirror_in_plane([Solid.make_box(1, 1, 1)], "Y")[0]
|
|
# mirror_box_vertices = [(v.X, v.Y, v.Z) for v in mirror_box.vertices().vals()]
|
|
mirror_box_vertices = [(v.X, v.Y, v.Z) for v in mirror_box.vertices()]
|
|
target_vertices = [
|
|
(0, 0, 1),
|
|
(0, 0, 0),
|
|
(0, -1, 1),
|
|
(0, -1, 0),
|
|
(-1, 0, 1),
|
|
(-1, 0, 0),
|
|
(-1, -1, 1),
|
|
(-1, -1, 0),
|
|
]
|
|
for i, target_point in enumerate(target_vertices):
|
|
self.assertTupleAlmostEquals(target_point, mirror_box_vertices[i], 7)
|
|
|
|
def test_location(self):
|
|
|
|
loc0 = Location()
|
|
T = loc0.wrapped.Transformation().TranslationPart()
|
|
self.assertTupleAlmostEquals((T.X(), T.Y(), T.Z()), (0, 0, 0), 6)
|
|
angle = loc0.wrapped.Transformation().GetRotation().GetRotationAngle() * RAD2DEG
|
|
self.assertAlmostEqual(0, angle)
|
|
|
|
# Tuple
|
|
loc0 = Location((0, 0, 1))
|
|
|
|
T = loc0.wrapped.Transformation().TranslationPart()
|
|
self.assertTupleAlmostEquals((T.X(), T.Y(), T.Z()), (0, 0, 1), 6)
|
|
|
|
# Vector
|
|
loc1 = Location(Vector(0, 0, 1))
|
|
|
|
T = loc1.wrapped.Transformation().TranslationPart()
|
|
self.assertTupleAlmostEquals((T.X(), T.Y(), T.Z()), (0, 0, 1), 6)
|
|
|
|
# rotation + translation
|
|
loc2 = Location(Vector(0, 0, 1), Vector(0, 0, 1), 45)
|
|
|
|
angle = loc2.wrapped.Transformation().GetRotation().GetRotationAngle() * RAD2DEG
|
|
self.assertAlmostEqual(45, angle)
|
|
|
|
# gp_Trsf
|
|
T = gp_Trsf()
|
|
T.SetTranslation(gp_Vec(0, 0, 1))
|
|
loc3 = Location(T)
|
|
|
|
self.assertEqual(
|
|
loc1.wrapped.Transformation().TranslationPart().Z(),
|
|
loc3.wrapped.Transformation().TranslationPart().Z(),
|
|
)
|
|
|
|
# Test creation from the OCP.gp.gp_Trsf object
|
|
loc4 = Location(gp_Trsf())
|
|
self.assertTupleAlmostEquals(loc4.to_tuple()[0], (0, 0, 0), 7)
|
|
self.assertTupleAlmostEquals(loc4.to_tuple()[1], (0, 0, 0), 7)
|
|
|
|
# Test creation from Plane and Vector
|
|
loc4 = Location(Plane.XY, (0, 0, 1))
|
|
self.assertTupleAlmostEquals(loc4.to_tuple()[0], (0, 0, 1), 7)
|
|
self.assertTupleAlmostEquals(loc4.to_tuple()[1], (0, 0, 0), 7)
|
|
|
|
# Test composition
|
|
loc4 = Location((0, 0, 0), Vector(0, 0, 1), 15)
|
|
|
|
loc5 = loc1 * loc4
|
|
loc6 = loc4 * loc4
|
|
loc7 = loc4**2
|
|
|
|
T = loc5.wrapped.Transformation().TranslationPart()
|
|
self.assertTupleAlmostEquals((T.X(), T.Y(), T.Z()), (0, 0, 1), 6)
|
|
|
|
angle5 = (
|
|
loc5.wrapped.Transformation().GetRotation().GetRotationAngle() * RAD2DEG
|
|
)
|
|
self.assertAlmostEqual(15, angle5)
|
|
|
|
angle6 = (
|
|
loc6.wrapped.Transformation().GetRotation().GetRotationAngle() * RAD2DEG
|
|
)
|
|
self.assertAlmostEqual(30, angle6)
|
|
|
|
angle7 = (
|
|
loc7.wrapped.Transformation().GetRotation().GetRotationAngle() * RAD2DEG
|
|
)
|
|
self.assertAlmostEqual(30, angle7)
|
|
|
|
# Test error handling on creation
|
|
with self.assertRaises(TypeError):
|
|
Location([0, 0, 1])
|
|
with self.assertRaises(TypeError):
|
|
Location("xy_plane")
|
|
|
|
def test_location_repr_and_str(self):
|
|
self.assertEqual(
|
|
repr(Location()), "(p=(0.00, 0.00, 0.00), o=(0.00, -0.00, 0.00))"
|
|
)
|
|
self.assertEqual(
|
|
str(Location()),
|
|
"Location: (position=(0.00, 0.00, 0.00), orientation=(0.00, -0.00, 0.00))",
|
|
)
|
|
|
|
def test_location_inverted(self):
|
|
loc = Location(Plane.XZ)
|
|
self.assertTupleAlmostEquals(
|
|
loc.inverse.rotation().to_tuple(), (-math.pi / 2, 0, 0), 6
|
|
)
|
|
|
|
def test_edge_wrapper_radius(self):
|
|
|
|
# get a radius from a simple circle
|
|
e0 = Edge.make_circle(2.4)
|
|
self.assertAlmostEqual(e0.radius(), 2.4)
|
|
|
|
# radius of an arc
|
|
e1 = Edge.make_circle(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.make_ellipse(10, 20)
|
|
with self.assertRaises(ValueError):
|
|
e2.radius()
|
|
|
|
# radius from a wire
|
|
w0 = Wire.make_circle(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.assemble_edges(
|
|
[
|
|
Edge.make_circle(rad, pnt, direction, 0, 10),
|
|
Edge.make_circle(rad, pnt, direction, 10, 25),
|
|
Edge.make_circle(rad, pnt, direction, 25, 230),
|
|
]
|
|
)
|
|
self.assertAlmostEqual(w1.radius(), rad)
|
|
|
|
# test value error from wire
|
|
w2 = Wire.make_polygon(
|
|
[
|
|
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.assemble_edges(
|
|
[
|
|
Edge.make_line(Vector(0, 0, 0), Vector(0, 1, 0)),
|
|
Edge.make_circle(1.0, angle1=90, angle2=270),
|
|
]
|
|
)
|
|
with self.assertRaises(ValueError):
|
|
no_rad.radius()
|
|
yes_rad = Wire.assemble_edges(
|
|
[
|
|
Edge.make_circle(1.0, angle1=90, angle2=270),
|
|
Edge.make_line(Vector(0, -1, 0), Vector(0, 1, 0)),
|
|
]
|
|
)
|
|
self.assertAlmostEqual(yes_rad.radius(), 1.0)
|
|
many_rad = Wire.assemble_edges(
|
|
[
|
|
Edge.make_circle(1.0, angle1=0, angle2=180),
|
|
Edge.make_circle(3.0, pnt=Vector(2, 0, 0), angle1=180, angle2=359),
|
|
]
|
|
)
|
|
self.assertAlmostEqual(many_rad.radius(), 1.0)
|
|
|
|
|
|
class TestAxis(unittest.TestCase):
|
|
"""Test the Axis class"""
|
|
|
|
def test_axis_from_occt(self):
|
|
occt_axis = gp_Ax1(gp_Pnt(1, 1, 1), gp_Dir(0, 1, 0))
|
|
test_axis = Axis.from_occt(occt_axis)
|
|
self.assertTupleAlmostEquals(test_axis.position.to_tuple(), (1, 1, 1), 5)
|
|
self.assertTupleAlmostEquals(test_axis.direction.to_tuple(), (0, 1, 0), 5)
|
|
|
|
def test_axis_repr_and_str(self):
|
|
self.assertEqual(repr(Axis.X), "((0.0, 0.0, 0.0),(1.0, 0.0, 0.0))")
|
|
self.assertEqual(str(Axis.Y), "Axis: ((0.0, 0.0, 0.0),(0.0, 1.0, 0.0))")
|
|
|
|
def test_axis_copy(self):
|
|
x_copy = Axis.X.copy()
|
|
self.assertTupleAlmostEquals(x_copy.position.to_tuple(), (0, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(x_copy.direction.to_tuple(), (1, 0, 0), 5)
|
|
|
|
def test_axis_to_location(self):
|
|
# TODO: Verify this is correct
|
|
x_location = Axis.X.to_location()
|
|
self.assertTrue(isinstance(x_location, Location))
|
|
self.assertTupleAlmostEquals(x_location.position().to_tuple(), (0, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(
|
|
x_location.rotation().to_tuple(), (-math.pi, -math.pi / 2, 0), 5
|
|
)
|
|
|
|
def test_axis_to_plane(self):
|
|
x_plane = Axis.X.to_plane()
|
|
self.assertTrue(isinstance(x_plane, Plane))
|
|
self.assertTupleAlmostEquals(x_plane.origin.to_tuple(), (0, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(x_plane.z_dir.to_tuple(), (1, 0, 0), 5)
|
|
|
|
def test_axis_is_coaxial(self):
|
|
self.assertTrue(Axis.X.is_coaxial(Axis((0, 0, 0), (1, 0, 0))))
|
|
self.assertFalse(Axis.X.is_coaxial(Axis((0, 0, 1), (1, 0, 0))))
|
|
self.assertFalse(Axis.X.is_coaxial(Axis((0, 0, 0), (0, 1, 0))))
|
|
|
|
def test_axis_is_normal(self):
|
|
self.assertTrue(Axis.X.is_normal(Axis.Y))
|
|
self.assertFalse(Axis.X.is_normal(Axis.X))
|
|
|
|
def test_axis_is_opposite(self):
|
|
self.assertTrue(Axis.X.is_opposite(Axis((1, 1, 1), (-1, 0, 0))))
|
|
self.assertFalse(Axis.X.is_opposite(Axis.X))
|
|
|
|
def test_axis_is_parallel(self):
|
|
self.assertTrue(Axis.X.is_parallel(Axis((1, 1, 1), (1, 0, 0))))
|
|
self.assertFalse(Axis.X.is_parallel(Axis.Y))
|
|
|
|
def test_axis_angle_between(self):
|
|
self.assertAlmostEqual(Axis.X.angle_between(Axis.Y), 90, 5)
|
|
self.assertAlmostEqual(
|
|
Axis.X.angle_between(Axis((1, 1, 1), (-1, 0, 0))), 180, 5
|
|
)
|
|
|
|
def test_axis_reversed(self):
|
|
self.assertTupleAlmostEquals(
|
|
Axis.X.reversed().direction.to_tuple(), (-1, 0, 0), 5
|
|
)
|
|
|
|
|
|
class ProjectionTests(unittest.TestCase):
|
|
def test_flat_projection(self):
|
|
|
|
sphere = Solid.make_sphere(50)
|
|
projection_direction = Vector(0, -1, 0)
|
|
planar_text_faces = (
|
|
Compound.make_2d_text("Flat", 30, halign=Halign.CENTER)
|
|
.rotate((0, 0, 0), (1, 0, 0), 90)
|
|
.faces()
|
|
)
|
|
projected_text_faces = [
|
|
f.project_to_shape(sphere, projection_direction)[0]
|
|
for f in planar_text_faces
|
|
]
|
|
self.assertEqual(len(projected_text_faces), 4)
|
|
|
|
def test_conical_projection(self):
|
|
sphere = Solid.make_sphere(50)
|
|
projection_center = Vector(0, 0, 0)
|
|
planar_text_faces = (
|
|
Compound.make_2d_text("Conical", 25, halign=Halign.CENTER)
|
|
.rotate((0, 0, 0), (1, 0, 0), 90)
|
|
.translate((0, -60, 0))
|
|
.faces()
|
|
)
|
|
|
|
projected_text_faces = [
|
|
f.project_to_shape(sphere, center=projection_center)[0]
|
|
for f in planar_text_faces
|
|
]
|
|
self.assertEqual(len(projected_text_faces), 8)
|
|
|
|
def test_projection_with_internal_points(self):
|
|
sphere = Solid.make_sphere(50)
|
|
f = Face.make_plane(10, 10).translate(Vector(0, 0, 60))
|
|
pts = [Vector(x, y, 60) for x in [-5, 5] for y in [-5, 5]]
|
|
projected_faces = f.project_to_shape(
|
|
sphere, center=(0, 0, 0), internal_face_points=pts
|
|
)
|
|
self.assertEqual(len(projected_faces), 1)
|
|
|
|
def test_text_projection(self):
|
|
|
|
sphere = Solid.make_sphere(50)
|
|
arch_path = (
|
|
sphere.cut(
|
|
Solid.make_cylinder(
|
|
80, 100, pnt=Vector(-50, 0, -70), dir=Vector(1, 0, 0)
|
|
)
|
|
)
|
|
.edges()
|
|
.sort_by(Axis.Z)[0]
|
|
)
|
|
|
|
projected_text = sphere.project_text(
|
|
txt="fox",
|
|
fontsize=14,
|
|
depth=3,
|
|
path=arch_path,
|
|
)
|
|
self.assertEqual(len(projected_text.solids()), 3)
|
|
projected_text = sphere.project_text(
|
|
txt="dog",
|
|
fontsize=14,
|
|
depth=0,
|
|
path=arch_path,
|
|
)
|
|
self.assertEqual(len(projected_text.solids()), 0)
|
|
self.assertEqual(len(projected_text.faces()), 3)
|
|
|
|
def test_error_handling(self):
|
|
sphere = Solid.make_sphere(50)
|
|
f = Face.make_plane(10, 10)
|
|
with self.assertRaises(ValueError):
|
|
f.project_to_shape(sphere, center=None, direction=None)[0]
|
|
w = Face.make_plane(10, 10).outer_wire()
|
|
with self.assertRaises(ValueError):
|
|
w.project_to_shape(sphere, center=None, direction=None)[0]
|
|
|
|
|
|
class EmbossTests(unittest.TestCase):
|
|
def test_emboss_text(self):
|
|
|
|
sphere = Solid.make_sphere(50)
|
|
arch_path = (
|
|
sphere.cut(
|
|
Solid.make_cylinder(
|
|
80, 100, pnt=Vector(-50, 0, -70), dir=Vector(1, 0, 0)
|
|
)
|
|
)
|
|
.edges()
|
|
.sort_by(Axis.Z)[0]
|
|
)
|
|
embossed_text = sphere.emboss_text(
|
|
txt="quick",
|
|
fontsize=14,
|
|
depth=3,
|
|
path=arch_path,
|
|
)
|
|
self.assertEqual(len(embossed_text.solids()), 6)
|
|
embossed_text = sphere.emboss_text(
|
|
txt="jumped",
|
|
fontsize=14,
|
|
depth=0,
|
|
path=arch_path,
|
|
)
|
|
self.assertEqual(len(embossed_text.solids()), 0)
|
|
self.assertEqual(len(embossed_text.faces()), 7)
|
|
|
|
# def test_emboss_face(self):
|
|
# sphere = Solid.make_sphere(50)
|
|
# square_face = Face.make_plane(12, 12)
|
|
# square_face = Face.make_from_wires(Wire.make_rect(12, 12), [])
|
|
# embossed_face = square_face.emboss_to_shape(
|
|
# sphere,
|
|
# surface_point=(0, 0, 50),
|
|
# surface_x_direction=(1, 1, 0),
|
|
# )
|
|
# self.assertTrue(embossed_face.is_valid())
|
|
|
|
# pts = [Vector(x, y, 0) for x in [-5, 5] for y in [-5, 5]]
|
|
# embossed_face = square_face.emboss_to_shape(
|
|
# sphere,
|
|
# surface_point=(0, 0, 50),
|
|
# surface_x_direction=(1, 1, 0),
|
|
# internal_face_points=pts,
|
|
# )
|
|
# self.assertTrue(embossed_face.is_valid())
|
|
|
|
def test_emboss_wire(self):
|
|
sphere = Solid.make_sphere(50)
|
|
triangle_face = Wire.make_polygon([(0, 0, 0), (6, 6, 0), (-6, 6, 0), (0, 0, 0)])
|
|
embossed_face = triangle_face.emboss_to_shape(
|
|
sphere,
|
|
surface_point=(0, 0, 50),
|
|
surface_x_direction=(1, 1, 0),
|
|
)
|
|
self.assertTrue(embossed_face.is_valid())
|
|
|
|
|
|
class VertexTests(unittest.TestCase):
|
|
"""Test the extensions to the cadquery Vertex class"""
|
|
|
|
def test_vertex_add(self):
|
|
test_vertex = Vertex.make_vertex(0, 0, 0)
|
|
self.assertTupleAlmostEquals(
|
|
(test_vertex + (100, -40, 10)).to_tuple(), (100, -40, 10), 7
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
(test_vertex + Vector(100, -40, 10)).to_tuple(), (100, -40, 10), 7
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
(test_vertex + Vertex.make_vertex(100, -40, 10)).to_tuple(),
|
|
(100, -40, 10),
|
|
7,
|
|
)
|
|
with self.assertRaises(TypeError):
|
|
test_vertex + [1, 2, 3]
|
|
|
|
def test_vertex_sub(self):
|
|
test_vertex = Vertex.make_vertex(0, 0, 0)
|
|
self.assertTupleAlmostEquals(
|
|
(test_vertex - (100, -40, 10)).to_tuple(), (-100, 40, -10), 7
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
(test_vertex - Vector(100, -40, 10)).to_tuple(), (-100, 40, -10), 7
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
(test_vertex - Vertex.make_vertex(100, -40, 10)).to_tuple(),
|
|
(-100, 40, -10),
|
|
7,
|
|
)
|
|
with self.assertRaises(TypeError):
|
|
test_vertex - [1, 2, 3]
|
|
|
|
def test_vertex_str(self):
|
|
self.assertEqual(str(Vertex.make_vertex(0, 0, 0)), "Vertex: (0.0, 0.0, 0.0)")
|
|
|
|
def test_vertex_to_vector(self):
|
|
self.assertIsInstance(Vertex.make_vertex(0, 0, 0).to_vector(), Vector)
|
|
self.assertTupleAlmostEquals(
|
|
Vertex.make_vertex(0, 0, 0).to_vector().to_tuple(), (0.0, 0.0, 0.0), 7
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|