mirror of
https://github.com/gumyr/build123d.git
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2344 lines
86 KiB
Python
2344 lines
86 KiB
Python
# system modules
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import copy
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import math
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import unittest
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from random import uniform
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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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gp_Quaternion,
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gp_EulerSequence,
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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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# Direct API Functions
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from build123d.direct_api import (
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downcast,
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edges_to_wires,
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fix,
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shapetype,
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sort_wires_by_build_order,
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)
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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 TestAssembly(unittest.TestCase):
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@staticmethod
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def create_test_assembly() -> Compound:
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box = Solid.make_box(1, 1, 1)
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box.orientation = (45, 45, 0)
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box.label = "box"
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sphere = Solid.make_sphere(1)
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sphere.label = "sphere"
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sphere.position = (1, 2, 3)
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assembly = Compound(label="assembly", children=[box])
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sphere.parent = assembly
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return assembly
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def test_attributes(self):
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box = Solid.make_box(1, 1, 1)
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box.label = "box"
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sphere = Solid.make_sphere(1)
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sphere.label = "sphere"
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assembly = Compound(label="assembly", children=[box])
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sphere.parent = assembly
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self.assertEqual(len(box.children), 0)
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self.assertEqual(box.label, "box")
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self.assertEqual(box.parent, assembly)
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self.assertEqual(sphere.parent, assembly)
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self.assertEqual(len(assembly.children), 2)
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def test_show_topology_compound(self):
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assembly = TestAssembly.create_test_assembly()
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# >>> assembly.show_topology("Solid")
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# assembly Compound at 0x7fced0fd1b50, Location(p=(0.00, 0.00, 0.00), o=(-0.00, 0.00, -0.00))
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# ├── box Solid at 0x7fced102d3a0, Location(p=(0.00, 0.00, 0.00), o=(45.00, 45.00, -0.00))
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# └── sphere Solid at 0x7fced0fd1f10, Location(p=(1.00, 2.00, 3.00), o=(-0.00, 0.00, -0.00))
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child_topos = assembly.show_topology("Solid").splitlines()
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topos = ["assembly Compound ", "├── box Solid ", "└── sphere Solid "]
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locs = [
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"(p=(0.00, 0.00, 0.00), o=(-0.00, 0.00, -0.00))",
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"(p=(0.00, 0.00, 0.00), o=(45.00, 45.00, -0.00))",
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"(p=(1.00, 2.00, 3.00), o=(-0.00, 0.00, -0.00))",
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]
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for i, child_topo in enumerate(child_topos):
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first, second = child_topo.split("at 0x")
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_second, third = second.split(", Location")
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self.assertEqual(first, topos[i])
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self.assertEqual(third, locs[i])
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def test_show_topology_shape_location(self):
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assembly = TestAssembly.create_test_assembly()
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# >>> assembly.children[1].show_topology("Face", show_center=False)
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# Solid at 0x7f3754501530, Position(1.0, 2.0, 3.0)
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# └── Shell at 0x7f3754501a70, Position(1.0, 2.0, 3.0)
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# └── Face at 0x7f3754501030, Position(1.0, 2.0, 3.0)
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shape_topos = (
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assembly.children[1].show_topology("Face", show_center=False).splitlines()
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)
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topos = ["Solid ", "└── Shell ", " └── Face "]
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locs = [
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"(1.0, 2.0, 3.0)",
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"(1.0, 2.0, 3.0)",
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"(1.0, 2.0, 3.0)",
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]
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for i, shape_topo in enumerate(shape_topos):
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first, second = shape_topo.split("at 0x")
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_second, third = second.split(", Position")
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self.assertEqual(first, topos[i])
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self.assertEqual(third, locs[i])
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def test_show_topology_shape(self):
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assembly = TestAssembly.create_test_assembly()
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# >>> assembly.children[1].show_topology("Face")
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# Solid at 0x7f6279043ab0, Center(1.0, 2.0, 3.0)
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# └── Shell at 0x7f62790438f0, Center(1.0, 2.0, 3.0)
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# └── Face at 0x7f62790439f0, Center(1.0, 2.0, 3.0)
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shape_topos = assembly.children[1].show_topology("Face").splitlines()
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topos = ["Solid ", "└── Shell ", " └── Face "]
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locs = [
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"(1.0, 2.0, 3.0)",
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"(1.0, 2.0, 3.0)",
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"(1.0, 2.0, 3.0)",
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]
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for i, shape_topo in enumerate(shape_topos):
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first, second = shape_topo.split("at 0x")
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_second, third = second.split(", Center")
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self.assertEqual(first, topos[i])
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self.assertEqual(third, locs[i])
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def test_remove_child(self):
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assembly = TestAssembly.create_test_assembly()
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self.assertEqual(len(assembly.children), 2)
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assembly.children = list(assembly.children)[1:]
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self.assertEqual(len(assembly.children), 1)
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class TestAxis(unittest.TestCase):
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"""Test the Axis class"""
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def test_axis_from_occt(self):
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occt_axis = gp_Ax1(gp_Pnt(1, 1, 1), gp_Dir(0, 1, 0))
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test_axis = Axis.from_occt(occt_axis)
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self.assertTupleAlmostEquals(test_axis.position.to_tuple(), (1, 1, 1), 5)
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self.assertTupleAlmostEquals(test_axis.direction.to_tuple(), (0, 1, 0), 5)
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def test_axis_repr_and_str(self):
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self.assertEqual(repr(Axis.X), "((0.0, 0.0, 0.0),(1.0, 0.0, 0.0))")
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self.assertEqual(str(Axis.Y), "Axis: ((0.0, 0.0, 0.0),(0.0, 1.0, 0.0))")
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def test_axis_copy(self):
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x_copy = copy.copy(Axis.X)
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self.assertTupleAlmostEquals(x_copy.position.to_tuple(), (0, 0, 0), 5)
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self.assertTupleAlmostEquals(x_copy.direction.to_tuple(), (1, 0, 0), 5)
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x_copy = copy.deepcopy(Axis.X)
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self.assertTupleAlmostEquals(x_copy.position.to_tuple(), (0, 0, 0), 5)
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self.assertTupleAlmostEquals(x_copy.direction.to_tuple(), (1, 0, 0), 5)
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def test_axis_to_location(self):
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# TODO: Verify this is correct
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x_location = Axis.X.to_location()
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self.assertTrue(isinstance(x_location, Location))
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self.assertTupleAlmostEquals(x_location.position.to_tuple(), (0, 0, 0), 5)
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self.assertTupleAlmostEquals(x_location.orientation.to_tuple(), (0, 90, 180), 5)
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def test_axis_located(self):
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y_axis = Axis.Z.located(Location((0, 0, 1), (-90, 0, 0)))
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self.assertTupleAlmostEquals(y_axis.position.to_tuple(), (0, 0, 1), 5)
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self.assertTupleAlmostEquals(y_axis.direction.to_tuple(), (0, 1, 0), 5)
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def test_axis_to_plane(self):
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x_plane = Axis.X.to_plane()
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self.assertTrue(isinstance(x_plane, Plane))
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self.assertTupleAlmostEquals(x_plane.origin.to_tuple(), (0, 0, 0), 5)
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self.assertTupleAlmostEquals(x_plane.z_dir.to_tuple(), (1, 0, 0), 5)
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def test_axis_is_coaxial(self):
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self.assertTrue(Axis.X.is_coaxial(Axis((0, 0, 0), (1, 0, 0))))
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self.assertFalse(Axis.X.is_coaxial(Axis((0, 0, 1), (1, 0, 0))))
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self.assertFalse(Axis.X.is_coaxial(Axis((0, 0, 0), (0, 1, 0))))
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def test_axis_is_normal(self):
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self.assertTrue(Axis.X.is_normal(Axis.Y))
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self.assertFalse(Axis.X.is_normal(Axis.X))
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def test_axis_is_opposite(self):
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self.assertTrue(Axis.X.is_opposite(Axis((1, 1, 1), (-1, 0, 0))))
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self.assertFalse(Axis.X.is_opposite(Axis.X))
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def test_axis_is_parallel(self):
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self.assertTrue(Axis.X.is_parallel(Axis((1, 1, 1), (1, 0, 0))))
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self.assertFalse(Axis.X.is_parallel(Axis.Y))
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def test_axis_angle_between(self):
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self.assertAlmostEqual(Axis.X.angle_between(Axis.Y), 90, 5)
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self.assertAlmostEqual(
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Axis.X.angle_between(Axis((1, 1, 1), (-1, 0, 0))), 180, 5
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)
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def test_axis_reverse(self):
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self.assertTupleAlmostEquals(
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Axis.X.reverse().direction.to_tuple(), (-1, 0, 0), 5
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)
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def test_axis_reverse_op(self):
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axis = -Axis.X
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self.assertTupleAlmostEquals(axis.direction.to_tuple(), (-1, 0, 0), 5)
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class TestBoundBox(unittest.TestCase):
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def test_basic_bounding_box(self):
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v = Vertex(1, 1, 1)
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v2 = 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.size.X, 1.0, 1)
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# Test adding to an existing bounding box
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v0 = 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.size.X, bb3.size.Y, bb3.size.Z), 7)
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bb3 = bb2.add((3, 3, 3))
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self.assertTupleAlmostEquals((3, 3, 3), (bb3.size.X, bb3.size.Y, bb3.size.Z), 7)
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bb3 = bb2.add(Vector(3, 3, 3))
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self.assertTupleAlmostEquals((3, 3, 3), (bb3.size.X, bb3.size.Y, bb3.size.Z), 7)
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# Test 2D bounding boxes
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bb1 = Vertex(1, 1, 0).bounding_box().add(Vertex(2, 2, 0).bounding_box())
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bb2 = Vertex(0, 0, 0).bounding_box().add(Vertex(3, 3, 0).bounding_box())
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bb3 = Vertex(0, 0, 0).bounding_box().add(Vertex(1.5, 1.5, 0).bounding_box())
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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.size.X, bb1.size.Y, bb1.size.Z), 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_bounding_box_repr(self):
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bb = Solid.make_box(1, 1, 1).bounding_box()
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self.assertEqual(
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repr(bb), "bbox: 0.0 <= x <= 1.0, 0.0 <= y <= 1.0, 0.0 <= z <= 1.0"
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)
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def test_center_of_boundbox(self):
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self.assertTupleAlmostEquals(
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Solid.make_box(1, 1, 1).bounding_box().center().to_tuple(),
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(0.5, 0.5, 0.5),
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5,
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)
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def test_combined_center_of_boundbox(self):
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pass
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def test_to_solid(self):
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bbox = Solid.make_sphere(1).bounding_box()
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self.assertTupleAlmostEquals(bbox.min.to_tuple(), (-1, -1, -1), 5)
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self.assertTupleAlmostEquals(bbox.max.to_tuple(), (1, 1, 1), 5)
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self.assertAlmostEqual(bbox.to_solid().volume, 2**3, 5)
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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_edge_wrapper_center(self):
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e = self._make_circle()
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self.assertTupleAlmostEquals(
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(1.0, 2.0, 3.0), e.center(CenterOf.MASS).to_tuple(), 3
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)
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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.make_wire([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(radius=10, start_angle=0, end_angle=180)
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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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plane=Plane.XY,
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start_angle=angle1,
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end_angle=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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plane=Plane.XY,
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start_angle=angle1,
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end_angle=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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plane=Plane.XY,
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start_angle=angle1,
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end_angle=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_rect(self):
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mplane = Face.make_rect(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 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
|
|
# r = self.eachpoint(lambda loc: c.located(loc), True).combinesolids()
|
|
|
|
# return r
|
|
|
|
# Workplane.cyl = cylinders
|
|
|
|
# # Now test. here we want weird workplane to see if the objects are transformed right
|
|
# s = (
|
|
# Workplane("XY")
|
|
# .rect(2.0, 3.0, for_construction=true)
|
|
# .vertices()
|
|
# .cyl(0.25, 0.5)
|
|
# )
|
|
|
|
# self.assertEqual(4, len(s.val().solids()))
|
|
# self.assertTupleAlmostEquals((0.0, 0.0, 0.25), s.val().center.to_tuple(), 3)
|
|
|
|
def test_translate(self):
|
|
e = Edge.make_circle(2, Plane((1, 2, 3)))
|
|
e2 = e.translate(Vector(0, 0, 1))
|
|
|
|
self.assertTupleAlmostEquals(
|
|
(1.0, 2.0, 4.0), e2.center(CenterOf.MASS).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_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, Plane(origin=(5, 6, 7), z_dir=(1, 1, 1)), start_angle=20, end_angle=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, Plane(origin=(1, 2, 3), z_dir=(-1, 0, 1)))
|
|
self.assertAlmostEqual(w0.radius, 10)
|
|
|
|
# radius from a wire with multiple edges
|
|
rad = 2.3
|
|
plane = Plane(origin=(7, 8, 0), z_dir=(1, 0.5, 0.1))
|
|
w1 = Wire.make_wire(
|
|
[
|
|
Edge.make_circle(rad, plane, 0, 10),
|
|
Edge.make_circle(rad, plane, 10, 25),
|
|
Edge.make_circle(rad, plane, 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.make_wire(
|
|
[
|
|
Edge.make_line(Vector(0, 0, 0), Vector(0, 1, 0)),
|
|
Edge.make_circle(1.0, start_angle=90, end_angle=270),
|
|
]
|
|
)
|
|
with self.assertRaises(ValueError):
|
|
no_rad.radius
|
|
yes_rad = Wire.make_wire(
|
|
[
|
|
Edge.make_circle(1.0, start_angle=90, end_angle=270),
|
|
Edge.make_line(Vector(0, -1, 0), Vector(0, 1, 0)),
|
|
]
|
|
)
|
|
self.assertAlmostEqual(yes_rad.radius, 1.0)
|
|
many_rad = Wire.make_wire(
|
|
[
|
|
Edge.make_circle(1.0, start_angle=0, end_angle=180),
|
|
Edge.make_circle(3.0, Plane((2, 0, 0)), start_angle=180, end_angle=359),
|
|
]
|
|
)
|
|
self.assertAlmostEqual(many_rad.radius, 1.0)
|
|
|
|
|
|
class TestColor(unittest.TestCase):
|
|
def test_name1(self):
|
|
c = Color("blue")
|
|
self.assertEqual(c.wrapped.GetRGB().Red(), 0.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Green(), 0.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Blue(), 1.0)
|
|
self.assertEqual(c.wrapped.Alpha(), 0.0)
|
|
|
|
def test_name2(self):
|
|
c = Color("blue", alpha=0.5)
|
|
self.assertEqual(c.wrapped.GetRGB().Red(), 0.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Green(), 0.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Blue(), 1.0)
|
|
self.assertEqual(c.wrapped.Alpha(), 0.5)
|
|
|
|
def test_name3(self):
|
|
c = Color("blue", 0.5)
|
|
self.assertEqual(c.wrapped.GetRGB().Red(), 0.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Green(), 0.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Blue(), 1.0)
|
|
self.assertEqual(c.wrapped.Alpha(), 0.5)
|
|
|
|
def test_rgb0(self):
|
|
c = Color(0.0, 1.0, 0.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Red(), 0.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Green(), 1.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Blue(), 0.0)
|
|
|
|
def test_rgba1(self):
|
|
c = Color(1.0, 1.0, 0.0, 0.5)
|
|
self.assertEqual(c.wrapped.GetRGB().Red(), 1.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Green(), 1.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Blue(), 0.0)
|
|
self.assertEqual(c.wrapped.Alpha(), 0.5)
|
|
|
|
def test_rgba2(self):
|
|
c = Color(1.0, 1.0, 0.0, alpha=0.5)
|
|
self.assertEqual(c.wrapped.GetRGB().Red(), 1.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Green(), 1.0)
|
|
self.assertEqual(c.wrapped.GetRGB().Blue(), 0.0)
|
|
self.assertEqual(c.wrapped.Alpha(), 0.5)
|
|
|
|
def test_rgba3(self):
|
|
c = Color(red=0.1, green=0.2, blue=0.3, alpha=0.5)
|
|
self.assertAlmostEqual(c.wrapped.GetRGB().Red(), 0.1, 5)
|
|
self.assertAlmostEqual(c.wrapped.GetRGB().Green(), 0.2, 5)
|
|
self.assertAlmostEqual(c.wrapped.GetRGB().Blue(), 0.3, 5)
|
|
self.assertAlmostEqual(c.wrapped.Alpha(), 0.5, 5)
|
|
|
|
def test_bad_color_name(self):
|
|
with self.assertRaises(ValueError):
|
|
Color("build123d")
|
|
|
|
def test_to_tuple(self):
|
|
c = Color("blue", alpha=0.5)
|
|
self.assertEqual(c.to_tuple()[0], 0.0)
|
|
self.assertEqual(c.to_tuple()[1], 0.0)
|
|
self.assertEqual(c.to_tuple()[2], 1.0)
|
|
self.assertEqual(c.to_tuple()[3], 0.5)
|
|
|
|
|
|
class TestCompound(unittest.TestCase):
|
|
def test_make_text(self):
|
|
text = Compound.make_text("test", 10, 10)
|
|
self.assertEqual(len(text.solids()), 4)
|
|
|
|
def test_make_2d_text(self):
|
|
arc = Edge.make_three_point_arc((-50, 0, 0), (0, 20, 0), (50, 0, 0))
|
|
text = Compound.make_2d_text("test", 10, text_path=arc)
|
|
self.assertEqual(len(text.faces()), 4)
|
|
text = Compound.make_2d_text(
|
|
"test", 10, align=(Align.MAX, Align.MAX), text_path=arc
|
|
)
|
|
self.assertEqual(len(text.faces()), 4)
|
|
|
|
def test_fuse(self):
|
|
box1 = Solid.make_box(1, 1, 1)
|
|
box2 = Solid.make_box(1, 1, 1, Plane((1, 0, 0)))
|
|
combined = Compound.make_compound([box1]).fuse(box2, glue=True)
|
|
self.assertTrue(combined.is_valid())
|
|
self.assertAlmostEqual(combined.volume, 2, 5)
|
|
fuzzy = Compound.make_compound([box1]).fuse(box2, tol=1e-6)
|
|
self.assertTrue(fuzzy.is_valid())
|
|
self.assertAlmostEqual(fuzzy.volume, 2, 5)
|
|
|
|
def test_remove(self):
|
|
box1 = Solid.make_box(1, 1, 1)
|
|
box2 = Solid.make_box(1, 1, 1, Plane((2, 0, 0)))
|
|
combined = Compound.make_compound([box1, box2])
|
|
self.assertTrue(len(combined._remove(box2).solids()), 1)
|
|
|
|
def test_repr(self):
|
|
simple = Compound.make_compound([Solid.make_box(1, 1, 1)])
|
|
simple_str = repr(simple).split("0x")[0] + repr(simple).split(", ")[1]
|
|
self.assertEqual(simple_str, "Compound at label()")
|
|
|
|
assembly = Compound.make_compound([Solid.make_box(1, 1, 1)])
|
|
assembly.children = [Solid.make_box(1, 1, 1)]
|
|
assembly.label = "test"
|
|
assembly_str = repr(assembly).split("0x")[0] + repr(assembly).split(", l")[1]
|
|
self.assertEqual(assembly_str, "Compound at abel(test), #children(1)")
|
|
|
|
def test_center(self):
|
|
test_compound = Compound.make_compound(
|
|
[
|
|
Solid.make_box(2, 2, 2).locate(Location((-1, -1, -1))),
|
|
Solid.make_box(1, 1, 1).locate(Location((8.5, -0.5, -0.5))),
|
|
]
|
|
)
|
|
self.assertTupleAlmostEquals(test_compound.center(CenterOf.MASS), (1, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(
|
|
test_compound.center(CenterOf.BOUNDING_BOX), (4.25, 0, 0), 5
|
|
)
|
|
with self.assertRaises(ValueError):
|
|
test_compound.center(CenterOf.GEOMETRY)
|
|
|
|
|
|
class TestEdge(unittest.TestCase):
|
|
def test_close(self):
|
|
self.assertAlmostEqual(
|
|
Edge.make_circle(1, end_angle=180).close().length, math.pi + 2, 5
|
|
)
|
|
self.assertAlmostEqual(Edge.make_circle(1).close().length, 2 * math.pi, 5)
|
|
|
|
def test_arc_center(self):
|
|
self.assertTupleAlmostEquals(
|
|
Edge.make_ellipse(2, 1).arc_center.to_tuple(), (0, 0, 0), 5
|
|
)
|
|
with self.assertRaises(ValueError):
|
|
Edge.make_line((0, 0, 0), (0, 0, 1)).arc_center
|
|
|
|
def test_spline_with_parameters(self):
|
|
spline = Edge.make_spline(
|
|
points=[(0, 0, 0), (1, 1, 0), (2, 0, 0)], parameters=[0.0, 0.4, 1.0]
|
|
)
|
|
self.assertTupleAlmostEquals(spline.end_point().to_tuple(), (2, 0, 0), 5)
|
|
with self.assertRaises(ValueError):
|
|
Edge.make_spline(
|
|
points=[(0, 0, 0), (1, 1, 0), (2, 0, 0)], parameters=[0.0, 1.0]
|
|
)
|
|
with self.assertRaises(ValueError):
|
|
Edge.make_spline(
|
|
points=[(0, 0, 0), (1, 1, 0), (2, 0, 0)], tangents=[(1, 1, 0)]
|
|
)
|
|
|
|
def test_spline_approx(self):
|
|
spline = Edge.make_spline_approx([(0, 0), (1, 1), (2, 1), (3, 0)])
|
|
self.assertTupleAlmostEquals(spline.end_point().to_tuple(), (3, 0, 0), 5)
|
|
spline = Edge.make_spline_approx(
|
|
[(0, 0), (1, 1), (2, 1), (3, 0)], smoothing=(1.0, 5.0, 10.0)
|
|
)
|
|
self.assertTupleAlmostEquals(spline.end_point().to_tuple(), (3, 0, 0), 5)
|
|
|
|
def test_distribute_locations(self):
|
|
line = Edge.make_line((0, 0, 0), (10, 0, 0))
|
|
locs = line.distribute_locations(3)
|
|
for i, x in enumerate([0, 5, 10]):
|
|
self.assertTupleAlmostEquals(locs[i].position.to_tuple(), (x, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(locs[0].orientation.to_tuple(), (0, 90, 180), 5)
|
|
|
|
locs = line.distribute_locations(3, positions_only=True)
|
|
for i, x in enumerate([0, 5, 10]):
|
|
self.assertTupleAlmostEquals(locs[i].position.to_tuple(), (x, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(locs[0].orientation.to_tuple(), (0, 0, 0), 5)
|
|
|
|
# def test_overlaps(self):
|
|
# self.assertTrue(
|
|
# Edge.make_circle(10, end_angle=60).overlaps(
|
|
# Edge.make_circle(10, start_angle=30, end_angle=90)
|
|
# )
|
|
# )
|
|
# tolerance = 1e-4
|
|
# self.assertFalse(
|
|
# Edge.make_line((-10,0),(0,0)).overlaps(Edge.make_line((1.1*tolerance,0),(10,0)), tolerance)
|
|
# )
|
|
|
|
|
|
class TestFace(unittest.TestCase):
|
|
def test_make_surface_from_curves(self):
|
|
bottom_edge = Edge.make_circle(radius=1, end_angle=90)
|
|
top_edge = Edge.make_circle(radius=1, plane=Plane((0, 0, 1)), end_angle=90)
|
|
curved = Face.make_surface_from_curves(bottom_edge, top_edge)
|
|
self.assertTrue(curved.is_valid())
|
|
self.assertAlmostEqual(curved.area, math.pi / 2, 5)
|
|
self.assertTupleAlmostEquals(
|
|
curved.normal_at().to_tuple(), (math.sqrt(2) / 2, math.sqrt(2) / 2, 0), 5
|
|
)
|
|
|
|
bottom_wire = Wire.make_circle(1)
|
|
top_wire = Wire.make_circle(1, Plane((0, 0, 1)))
|
|
curved = Face.make_surface_from_curves(bottom_wire, top_wire)
|
|
self.assertTrue(curved.is_valid())
|
|
self.assertAlmostEqual(curved.area, 2 * math.pi, 5)
|
|
|
|
def test_center(self):
|
|
test_face = Face.make_from_wires(
|
|
Wire.make_polygon([(0, 0), (1, 0), (1, 1), (0, 0)])
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
test_face.center(CenterOf.MASS).to_tuple(), (2 / 3, 1 / 3, 0), 1
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
test_face.bounding_box().center().to_tuple(),
|
|
(0.5, 0.5, 0),
|
|
5,
|
|
)
|
|
|
|
def test_make_rect(self):
|
|
test_face = Face.make_plane()
|
|
self.assertTupleAlmostEquals(test_face.normal_at().to_tuple(), (0, 0, 1), 5)
|
|
|
|
def test_to_pln(self):
|
|
box = Solid.make_box(1, 1, 1)
|
|
bottom = box.faces().sort_by(Axis.Z)[0]
|
|
bottom_pln = bottom.to_pln()
|
|
self.assertAlmostEqual(
|
|
bottom.normal_at().Z, bottom_pln.Axis().Direction().Z(), 5
|
|
)
|
|
|
|
|
|
class TestFunctions(unittest.TestCase):
|
|
def test_edges_to_wires(self):
|
|
square_edges = Face.make_rect(1, 1).edges()
|
|
rectangle_edges = Face.make_rect(2, 1, Plane((5, 0))).edges()
|
|
wires = edges_to_wires(square_edges + rectangle_edges)
|
|
self.assertEqual(len(wires), 2)
|
|
self.assertAlmostEqual(wires[0].length, 4, 5)
|
|
self.assertAlmostEqual(wires[1].length, 6, 5)
|
|
|
|
|
|
class TestJoints(unittest.TestCase):
|
|
def test_rigid_joint(self):
|
|
base = Solid.make_box(1, 1, 1)
|
|
j1 = RigidJoint("top", base, Location(Vector(0.5, 0.5, 1)))
|
|
fixed_top = Solid.make_box(1, 1, 1)
|
|
j2 = RigidJoint("bottom", fixed_top, Location((0.5, 0.5, 0)))
|
|
j1.connect_to(j2)
|
|
bbox = fixed_top.bounding_box()
|
|
self.assertTupleAlmostEquals(bbox.min.to_tuple(), (0, 0, 1), 5)
|
|
self.assertTupleAlmostEquals(bbox.max.to_tuple(), (1, 1, 2), 5)
|
|
|
|
self.assertTupleAlmostEquals(
|
|
j2.symbol.location.position.to_tuple(), (0.5, 0.5, 1), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
j2.symbol.location.orientation.to_tuple(), (0, 0, 0), 6
|
|
)
|
|
|
|
def test_revolute_joint_with_angle_reference(self):
|
|
revolute_base = Solid.make_cylinder(1, 1)
|
|
j1 = RevoluteJoint(
|
|
label="top",
|
|
to_part=revolute_base,
|
|
axis=Axis((0, 0, 1), (0, 0, 1)),
|
|
angle_reference=(1, 0, 0),
|
|
angular_range=(0, 180),
|
|
)
|
|
fixed_top = Solid.make_box(1, 0.5, 1)
|
|
j2 = RigidJoint("bottom", fixed_top, Location((0.5, 0.25, 0)))
|
|
|
|
j1.connect_to(j2, 90)
|
|
bbox = fixed_top.bounding_box()
|
|
self.assertTupleAlmostEquals(bbox.min.to_tuple(), (-0.25, -0.5, 1), 5)
|
|
self.assertTupleAlmostEquals(bbox.max.to_tuple(), (0.25, 0.5, 2), 5)
|
|
|
|
self.assertTupleAlmostEquals(
|
|
j2.symbol.location.position.to_tuple(), (0, 0, 1), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
j2.symbol.location.orientation.to_tuple(), (0, 0, 90), 6
|
|
)
|
|
self.assertEqual(len(j1.symbol.edges()), 2)
|
|
|
|
def test_revolute_joint_without_angle_reference(self):
|
|
revolute_base = Solid.make_cylinder(1, 1)
|
|
j1 = RevoluteJoint(
|
|
label="top",
|
|
to_part=revolute_base,
|
|
axis=Axis((0, 0, 1), (0, 0, 1)),
|
|
)
|
|
self.assertTupleAlmostEquals(j1.angle_reference.to_tuple(), (1, 0, 0), 5)
|
|
|
|
def test_revolute_joint_error_bad_angle_reference(self):
|
|
"""Test that the angle_reference must be normal to the axis"""
|
|
revolute_base = Solid.make_cylinder(1, 1)
|
|
with self.assertRaises(ValueError):
|
|
RevoluteJoint(
|
|
"top",
|
|
revolute_base,
|
|
axis=Axis((0, 0, 1), (0, 0, 1)),
|
|
angle_reference=(1, 0, 1),
|
|
)
|
|
|
|
def test_revolute_joint_error_bad_angle(self):
|
|
"""Test that the joint angle is within bounds"""
|
|
revolute_base = Solid.make_cylinder(1, 1)
|
|
j1 = RevoluteJoint("top", revolute_base, Axis.Z, angular_range=(0, 180))
|
|
fixed_top = Solid.make_box(1, 0.5, 1)
|
|
j2 = RigidJoint("bottom", fixed_top, Location((0.5, 0.25, 0)))
|
|
with self.assertRaises(ValueError):
|
|
j1.connect_to(j2, 270)
|
|
|
|
def test_revolute_joint_error_bad_joint_type(self):
|
|
"""Test that the joint angle is within bounds"""
|
|
revolute_base = Solid.make_cylinder(1, 1)
|
|
j1 = RevoluteJoint("top", revolute_base, Axis.Z, (0, 180))
|
|
fixed_top = Solid.make_box(1, 0.5, 1)
|
|
j2 = RevoluteJoint("bottom", fixed_top, Axis.Z, (0, 180))
|
|
with self.assertRaises(TypeError):
|
|
j1.connect_to(j2, 0)
|
|
|
|
def test_linear_rigid_joint(self):
|
|
base = Solid.make_box(1, 1, 1)
|
|
j1 = LinearJoint(
|
|
"top", to_part=base, axis=Axis((0, 0.5, 1), (1, 0, 0)), linear_range=(0, 1)
|
|
)
|
|
fixed_top = Solid.make_box(1, 1, 1)
|
|
j2 = RigidJoint("bottom", fixed_top, Location((0.5, 0.5, 0)))
|
|
j1.connect_to(j2, 0.25)
|
|
bbox = fixed_top.bounding_box()
|
|
self.assertTupleAlmostEquals(bbox.min.to_tuple(), (-0.25, 0, 1), 5)
|
|
self.assertTupleAlmostEquals(bbox.max.to_tuple(), (0.75, 1, 2), 5)
|
|
|
|
self.assertTupleAlmostEquals(
|
|
j2.symbol.location.position.to_tuple(), (0.25, 0.5, 1), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
j2.symbol.location.orientation.to_tuple(), (0, 0, 0), 6
|
|
)
|
|
|
|
def test_linear_revolute_joint(self):
|
|
linear_base = Solid.make_box(1, 1, 1)
|
|
j1 = LinearJoint(
|
|
label="top",
|
|
to_part=linear_base,
|
|
axis=Axis((0, 0.5, 1), (1, 0, 0)),
|
|
linear_range=(0, 1),
|
|
)
|
|
revolute_top = Solid.make_box(1, 0.5, 1).locate(Location((-0.5, -0.25, 0)))
|
|
j2 = RevoluteJoint(
|
|
label="top",
|
|
to_part=revolute_top,
|
|
axis=Axis((0, 0, 0), (0, 0, 1)),
|
|
angle_reference=(1, 0, 0),
|
|
angular_range=(0, 180),
|
|
)
|
|
j1.connect_to(j2, position=0.25, angle=90)
|
|
|
|
bbox = revolute_top.bounding_box()
|
|
self.assertTupleAlmostEquals(bbox.min.to_tuple(), (0, 0, 1), 5)
|
|
self.assertTupleAlmostEquals(bbox.max.to_tuple(), (0.5, 1, 2), 5)
|
|
|
|
self.assertTupleAlmostEquals(
|
|
j2.symbol.location.position.to_tuple(), (0.25, 0.5, 1), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
j2.symbol.location.orientation.to_tuple(), (0, 0, 90), 6
|
|
)
|
|
self.assertEqual(len(j1.symbol.edges()), 2)
|
|
|
|
# Test invalid position
|
|
with self.assertRaises(ValueError):
|
|
j1.connect_to(j2, position=5, angle=90)
|
|
|
|
# Test invalid angle
|
|
with self.assertRaises(ValueError):
|
|
j1.connect_to(j2, position=0.5, angle=270)
|
|
|
|
# Test invalid joint
|
|
with self.assertRaises(TypeError):
|
|
j1.connect_to(Solid.make_box(1, 1, 1), position=0.5, angle=90)
|
|
|
|
def test_cylindrical_joint(self):
|
|
cylindrical_base = (
|
|
Solid.make_box(1, 1, 1)
|
|
.locate(Location((-0.5, -0.5, 0)))
|
|
.cut(Solid.make_cylinder(0.3, 1))
|
|
)
|
|
j1 = CylindricalJoint(
|
|
"base",
|
|
cylindrical_base,
|
|
Axis((0, 0, 1), (0, 0, -1)),
|
|
angle_reference=(1, 0, 0),
|
|
linear_range=(0, 1),
|
|
angular_range=(0, 90),
|
|
)
|
|
dowel = Solid.make_cylinder(0.3, 1).cut(
|
|
Solid.make_box(1, 1, 1).locate(Location((-0.5, 0, 0)))
|
|
)
|
|
j2 = RigidJoint("bottom", dowel, Location((0, 0, 0), (0, 0, 0)))
|
|
j1.connect_to(j2, 0.25, 90)
|
|
dowel_bbox = dowel.bounding_box()
|
|
self.assertTupleAlmostEquals(dowel_bbox.min.to_tuple(), (0, -0.3, -0.25), 5)
|
|
self.assertTupleAlmostEquals(dowel_bbox.max.to_tuple(), (0.3, 0.3, 0.75), 5)
|
|
|
|
self.assertTupleAlmostEquals(
|
|
j1.symbol.location.position.to_tuple(), (0, 0, 1), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
j1.symbol.location.orientation.to_tuple(), (-180, 0, -180), 6
|
|
)
|
|
self.assertEqual(len(j1.symbol.edges()), 2)
|
|
|
|
# Test invalid position
|
|
with self.assertRaises(ValueError):
|
|
j1.connect_to(j2, position=5, angle=90)
|
|
|
|
# Test invalid angle
|
|
with self.assertRaises(ValueError):
|
|
j1.connect_to(j2, position=0.5, angle=270)
|
|
|
|
# Test invalid joint
|
|
with self.assertRaises(TypeError):
|
|
j1.connect_to(Solid.make_box(1, 1, 1), position=0.5, angle=90)
|
|
|
|
def test_cylindrical_joint_error_bad_angle_reference(self):
|
|
"""Test that the angle_reference must be normal to the axis"""
|
|
with self.assertRaises(ValueError):
|
|
CylindricalJoint(
|
|
"base",
|
|
Solid.make_box(1, 1, 1),
|
|
Axis((0, 0, 1), (0, 0, -1)),
|
|
angle_reference=(1, 0, 1),
|
|
linear_range=(0, 1),
|
|
angular_range=(0, 90),
|
|
)
|
|
|
|
def test_cylindrical_joint_error_bad_position_and_angle(self):
|
|
"""Test that the joint angle is within bounds"""
|
|
|
|
j1 = CylindricalJoint(
|
|
"base",
|
|
Solid.make_box(1, 1, 1),
|
|
Axis((0, 0, 1), (0, 0, -1)),
|
|
linear_range=(0, 1),
|
|
angular_range=(0, 90),
|
|
)
|
|
j2 = RigidJoint("bottom", Solid.make_cylinder(1, 1), Location((0.5, 0.25, 0)))
|
|
with self.assertRaises(ValueError):
|
|
j1.connect_to(j2, position=0.5, angle=270)
|
|
|
|
with self.assertRaises(ValueError):
|
|
j1.connect_to(j2, position=4, angle=30)
|
|
|
|
def test_ball_joint(self):
|
|
socket_base = Solid.make_box(1, 1, 1).cut(
|
|
Solid.make_sphere(0.3, Plane((0.5, 0.5, 1)))
|
|
)
|
|
j1 = BallJoint(
|
|
"socket",
|
|
socket_base,
|
|
Location((0.5, 0.5, 1)),
|
|
angular_range=((-45, 45), (-45, 45), (0, 360)),
|
|
)
|
|
ball_rod = Solid.make_cylinder(0.15, 2).fuse(
|
|
Solid.make_sphere(0.3).locate(Location((0, 0, 2)))
|
|
)
|
|
j2 = RigidJoint("ball", ball_rod, Location((0, 0, 2), (180, 0, 0)))
|
|
j1.connect_to(j2, (45, 45, 0))
|
|
self.assertTupleAlmostEquals(
|
|
ball_rod.faces()
|
|
.filter_by(GeomType.PLANE)[0]
|
|
.center(CenterOf.GEOMETRY)
|
|
.to_tuple(),
|
|
(1.914213562373095, -0.5, 2),
|
|
5,
|
|
)
|
|
|
|
self.assertTupleAlmostEquals(
|
|
j1.symbol.location.position.to_tuple(), (0.5, 0.5, 1), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
j1.symbol.location.orientation.to_tuple(), (0, 0, 0), 6
|
|
)
|
|
|
|
with self.assertRaises(ValueError):
|
|
j1.connect_to(j2, (90, 45, 0))
|
|
|
|
# Test invalid joint
|
|
with self.assertRaises(TypeError):
|
|
j1.connect_to(Solid.make_box(1, 1, 1), (0, 0, 0))
|
|
|
|
|
|
class TestLocation(unittest.TestCase):
|
|
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")
|
|
|
|
# Test that the computed rotation matrix and intrinsic euler angles return the same
|
|
|
|
about_x = uniform(-2 * math.pi, 2 * math.pi)
|
|
about_y = uniform(-2 * math.pi, 2 * math.pi)
|
|
about_z = uniform(-2 * math.pi, 2 * math.pi)
|
|
|
|
rot_x = gp_Trsf()
|
|
rot_x.SetRotation(gp_Ax1(gp_Pnt(0, 0, 0), gp_Dir(1, 0, 0)), about_x)
|
|
rot_y = gp_Trsf()
|
|
rot_y.SetRotation(gp_Ax1(gp_Pnt(0, 0, 0), gp_Dir(0, 1, 0)), about_y)
|
|
rot_z = gp_Trsf()
|
|
rot_z.SetRotation(gp_Ax1(gp_Pnt(0, 0, 0), gp_Dir(0, 0, 1)), about_z)
|
|
loc1 = Location(rot_x * rot_y * rot_z)
|
|
|
|
q = gp_Quaternion()
|
|
q.SetEulerAngles(
|
|
gp_EulerSequence.gp_Intrinsic_XYZ,
|
|
about_x,
|
|
about_y,
|
|
about_z,
|
|
)
|
|
t = gp_Trsf()
|
|
t.SetRotationPart(q)
|
|
loc2 = Location(t)
|
|
|
|
self.assertTupleAlmostEquals(loc1.to_tuple()[0], loc2.to_tuple()[0], 6)
|
|
self.assertTupleAlmostEquals(loc1.to_tuple()[1], loc2.to_tuple()[1], 6)
|
|
|
|
loc1 = Location((1, 2), 34)
|
|
self.assertTupleAlmostEquals(loc1.to_tuple()[0], (1, 2, 0), 6)
|
|
self.assertTupleAlmostEquals(loc1.to_tuple()[1], (0, 0, 34), 6)
|
|
|
|
rot_angles = (-115.00, 35.00, -135.00)
|
|
loc2 = Location((1, 2, 3), rot_angles)
|
|
self.assertTupleAlmostEquals(loc2.to_tuple()[0], (1, 2, 3), 6)
|
|
self.assertTupleAlmostEquals(loc2.to_tuple()[1], rot_angles, 6)
|
|
|
|
loc3 = Location(loc2)
|
|
self.assertTupleAlmostEquals(loc3.to_tuple()[0], (1, 2, 3), 6)
|
|
self.assertTupleAlmostEquals(loc3.to_tuple()[1], rot_angles, 6)
|
|
|
|
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))",
|
|
)
|
|
loc = Location((1, 2, 3), (33, 45, 67))
|
|
self.assertEqual(
|
|
str(loc),
|
|
"Location: (position=(1.00, 2.00, 3.00), orientation=(33.00, 45.00, 67.00))",
|
|
)
|
|
|
|
def test_location_inverted(self):
|
|
loc = Location(Plane.XZ)
|
|
self.assertTupleAlmostEquals(
|
|
loc.inverse().orientation.to_tuple(), (-90, 0, 0), 6
|
|
)
|
|
|
|
def test_set_position(self):
|
|
loc = Location(Plane.XZ)
|
|
loc.position = (1, 2, 3)
|
|
self.assertTupleAlmostEquals(loc.position.to_tuple(), (1, 2, 3), 6)
|
|
self.assertTupleAlmostEquals(loc.orientation.to_tuple(), (90, 0, 0), 6)
|
|
|
|
def test_set_orientation(self):
|
|
loc = Location((1, 2, 3), (90, 0, 0))
|
|
loc.orientation = (-90, 0, 0)
|
|
self.assertTupleAlmostEquals(loc.position.to_tuple(), (1, 2, 3), 6)
|
|
self.assertTupleAlmostEquals(loc.orientation.to_tuple(), (-90, 0, 0), 6)
|
|
|
|
def test_copy(self):
|
|
loc1 = Location((1, 2, 3), (90, 45, 22.5))
|
|
loc2 = copy.copy(loc1)
|
|
loc3 = copy.deepcopy(loc1)
|
|
self.assertTupleAlmostEquals(
|
|
loc1.position.to_tuple(), loc2.position.to_tuple(), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
loc1.orientation.to_tuple(), loc2.orientation.to_tuple(), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
loc1.position.to_tuple(), loc3.position.to_tuple(), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
loc1.orientation.to_tuple(), loc3.orientation.to_tuple(), 6
|
|
)
|
|
|
|
def test_to_axis(self):
|
|
axis = Location((1, 2, 3), (-90, 0, 0)).to_axis()
|
|
self.assertTupleAlmostEquals(axis.position.to_tuple(), (1, 2, 3), 6)
|
|
self.assertTupleAlmostEquals(axis.direction.to_tuple(), (0, 1, 0), 6)
|
|
|
|
|
|
class TestMatrix(unittest.TestCase):
|
|
def test_matrix_creation_and_access(self):
|
|
def matrix_vals(m):
|
|
return [[m[r, c] for c in range(4)] for r in range(4)]
|
|
|
|
# default constructor creates a 4x4 identity matrix
|
|
m = Matrix()
|
|
identity = [
|
|
[1.0, 0.0, 0.0, 0.0],
|
|
[0.0, 1.0, 0.0, 0.0],
|
|
[0.0, 0.0, 1.0, 0.0],
|
|
[0.0, 0.0, 0.0, 1.0],
|
|
]
|
|
self.assertEqual(identity, matrix_vals(m))
|
|
|
|
vals4x4 = [
|
|
[1.0, 0.0, 0.0, 1.0],
|
|
[0.0, 1.0, 0.0, 2.0],
|
|
[0.0, 0.0, 1.0, 3.0],
|
|
[0.0, 0.0, 0.0, 1.0],
|
|
]
|
|
vals4x4_tuple = tuple(tuple(r) for r in vals4x4)
|
|
|
|
# test constructor with 16-value input
|
|
m = Matrix(vals4x4)
|
|
self.assertEqual(vals4x4, matrix_vals(m))
|
|
m = Matrix(vals4x4_tuple)
|
|
self.assertEqual(vals4x4, matrix_vals(m))
|
|
|
|
# test constructor with 12-value input (the last 4 are an implied
|
|
# [0,0,0,1])
|
|
m = Matrix(vals4x4[:3])
|
|
self.assertEqual(vals4x4, matrix_vals(m))
|
|
m = Matrix(vals4x4_tuple[:3])
|
|
self.assertEqual(vals4x4, matrix_vals(m))
|
|
|
|
# Test 16-value input with invalid values for the last 4
|
|
invalid = [
|
|
[1.0, 0.0, 0.0, 1.0],
|
|
[0.0, 1.0, 0.0, 2.0],
|
|
[0.0, 0.0, 1.0, 3.0],
|
|
[1.0, 2.0, 3.0, 4.0],
|
|
]
|
|
with self.assertRaises(ValueError):
|
|
Matrix(invalid)
|
|
# Test input with invalid type
|
|
with self.assertRaises(TypeError):
|
|
Matrix("invalid")
|
|
# Test input with invalid size / nested types
|
|
with self.assertRaises(TypeError):
|
|
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(Axis.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(Axis.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(Axis.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)
|
|
|
|
# Test matrix created from transfer function
|
|
rot_x = gp_Trsf()
|
|
θ = math.pi
|
|
rot_x.SetRotation(gp_Ax1(gp_Pnt(0, 0, 0), gp_Dir(1, 0, 0)), θ)
|
|
m = Matrix(rot_x)
|
|
rot_x_matrix = [
|
|
[1, 0, 0, 0],
|
|
[0, math.cos(θ), -math.sin(θ), 0],
|
|
[0, math.sin(θ), math.cos(θ), 0],
|
|
[0, 0, 0, 1],
|
|
]
|
|
matrix_almost_equal(m, rot_x_matrix)
|
|
|
|
# Test copy
|
|
m2 = copy.copy(m)
|
|
matrix_almost_equal(m2, rot_x_matrix)
|
|
m3 = copy.deepcopy(m)
|
|
matrix_almost_equal(m3, rot_x_matrix)
|
|
|
|
|
|
class TestMixin1D(unittest.TestCase):
|
|
"""Test the add in methods"""
|
|
|
|
def test_position_at(self):
|
|
self.assertTupleAlmostEquals(
|
|
Edge.make_line((0, 0, 0), (1, 1, 1)).position_at(0.5).to_tuple(),
|
|
(0.5, 0.5, 0.5),
|
|
5,
|
|
)
|
|
# Not sure what PARAMETER mode returns - but it's in the ballpark
|
|
point = (
|
|
Edge.make_line((0, 0, 0), (1, 1, 1))
|
|
.position_at(0.5, position_mode=PositionMode.PARAMETER)
|
|
.to_tuple()
|
|
)
|
|
self.assertTrue(all([0.0 < v < 1.0 for v in point]))
|
|
|
|
def test_positions(self):
|
|
e = Edge.make_line((0, 0, 0), (1, 1, 1))
|
|
distances = [i / 4 for i in range(3)]
|
|
pts = e.positions(distances)
|
|
for i, position in enumerate(pts):
|
|
self.assertTupleAlmostEquals(position.to_tuple(), (i / 4, i / 4, i / 4), 5)
|
|
|
|
def test_tangent_at(self):
|
|
self.assertTupleAlmostEquals(
|
|
Edge.make_circle(1, start_angle=0, end_angle=90).tangent_at(1.0).to_tuple(),
|
|
(-1, 0, 0),
|
|
5,
|
|
)
|
|
tangent = (
|
|
Edge.make_circle(1, start_angle=0, end_angle=90)
|
|
.tangent_at(0.0, position_mode=PositionMode.PARAMETER)
|
|
.to_tuple()
|
|
)
|
|
self.assertTrue(all([0.0 <= v <= 1.0 for v in tangent]))
|
|
|
|
def test_normal(self):
|
|
self.assertTupleAlmostEquals(
|
|
Edge.make_circle(
|
|
1, Plane(origin=(0, 0, 0), z_dir=(1, 0, 0)), start_angle=0, end_angle=60
|
|
)
|
|
.normal()
|
|
.to_tuple(),
|
|
(1, 0, 0),
|
|
5,
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
Edge.make_ellipse(
|
|
1,
|
|
0.5,
|
|
Plane(origin=(0, 0, 0), z_dir=(1, 1, 0)),
|
|
start_angle=0,
|
|
end_angle=90,
|
|
)
|
|
.normal()
|
|
.to_tuple(),
|
|
(math.sqrt(2) / 2, math.sqrt(2) / 2, 0),
|
|
5,
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
Edge.make_spline(
|
|
[
|
|
(1, 0),
|
|
(math.sqrt(2) / 2, math.sqrt(2) / 2),
|
|
(0, 1),
|
|
],
|
|
tangents=((0, 1, 0), (-1, 0, 0)),
|
|
)
|
|
.normal()
|
|
.to_tuple(),
|
|
(0, 0, 1),
|
|
5,
|
|
)
|
|
with self.assertRaises(ValueError):
|
|
Edge.make_line((0, 0, 0), (1, 1, 1)).normal()
|
|
|
|
def test_center(self):
|
|
c = Edge.make_circle(1, start_angle=0, end_angle=180)
|
|
self.assertTupleAlmostEquals(c.center().to_tuple(), (0, 1, 0), 5)
|
|
self.assertTupleAlmostEquals(
|
|
c.center(CenterOf.MASS).to_tuple(),
|
|
(0, 0.6366197723675814, 0),
|
|
5,
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
c.center(CenterOf.BOUNDING_BOX).to_tuple(), (0, 0.5, 0), 5
|
|
)
|
|
|
|
def test_location_at(self):
|
|
loc = Edge.make_circle(1).location_at(0.25)
|
|
self.assertTupleAlmostEquals(loc.position.to_tuple(), (0, 1, 0), 5)
|
|
self.assertTupleAlmostEquals(loc.orientation.to_tuple(), (0, -90, -90), 5)
|
|
|
|
def test_locations(self):
|
|
locs = Edge.make_circle(1).locations([i / 4 for i in range(4)])
|
|
self.assertTupleAlmostEquals(locs[0].position.to_tuple(), (1, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(locs[0].orientation.to_tuple(), (-90, 0, -180), 5)
|
|
self.assertTupleAlmostEquals(locs[1].position.to_tuple(), (0, 1, 0), 5)
|
|
self.assertTupleAlmostEquals(locs[1].orientation.to_tuple(), (0, -90, -90), 5)
|
|
self.assertTupleAlmostEquals(locs[2].position.to_tuple(), (-1, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(locs[2].orientation.to_tuple(), (90, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(locs[3].position.to_tuple(), (0, -1, 0), 5)
|
|
self.assertTupleAlmostEquals(locs[3].orientation.to_tuple(), (0, 90, 90), 5)
|
|
|
|
# def test_project(self):
|
|
# target = Face.make_rect(10, 10)
|
|
# source = Face.make_from_wires(Wire.make_circle(1, Plane((0, 0, 1))))
|
|
# shadow = source.project(target, direction=(0, 0, -1))
|
|
# self.assertTupleAlmostEquals(shadow.center().to_tuple(), (0, 0, 0), 5)
|
|
# self.assertAlmostEqual(shadow.area, math.pi, 5)
|
|
|
|
|
|
class TestMixin3D(unittest.TestCase):
|
|
"""Test that 3D add ins"""
|
|
|
|
def test_chamfer(self):
|
|
box = Solid.make_box(1, 1, 1)
|
|
chamfer_box = box.chamfer(0.1, 0.2, box.edges().sort_by(Axis.Z)[-1:])
|
|
self.assertAlmostEqual(chamfer_box.volume, 1 - 0.01, 5)
|
|
|
|
def test_shell(self):
|
|
shell_box = Solid.make_box(1, 1, 1).shell([], thickness=-0.1)
|
|
self.assertAlmostEqual(shell_box.volume, 1 - 0.8**3, 5)
|
|
with self.assertRaises(ValueError):
|
|
Solid.make_box(1, 1, 1).shell([], thickness=0.1, kind=Kind.TANGENT)
|
|
|
|
def test_is_inside(self):
|
|
self.assertTrue(Solid.make_box(1, 1, 1).is_inside((0.5, 0.5, 0.5)))
|
|
|
|
def test_dprism(self):
|
|
# face
|
|
f = Face.make_rect(0.5, 0.5)
|
|
d = Solid.make_box(1, 1, 1, Plane((-0.5, -0.5, 0))).dprism(
|
|
None, [f], additive=False
|
|
)
|
|
self.assertTrue(d.is_valid())
|
|
self.assertAlmostEqual(d.volume, 1 - 0.5**2, 5)
|
|
|
|
# face with depth
|
|
f = Face.make_rect(0.5, 0.5)
|
|
d = Solid.make_box(1, 1, 1, Plane((-0.5, -0.5, 0))).dprism(
|
|
None, [f], depth=0.5, thru_all=False, additive=False
|
|
)
|
|
self.assertTrue(d.is_valid())
|
|
self.assertAlmostEqual(d.volume, 1 - 0.5**3, 5)
|
|
|
|
# face until
|
|
f = Face.make_rect(0.5, 0.5)
|
|
limit = Face.make_rect(1, 1, Plane((0, 0, 0.5)))
|
|
d = Solid.make_box(1, 1, 1, Plane((-0.5, -0.5, 0))).dprism(
|
|
None, [f], up_to_face=limit, thru_all=False, additive=False
|
|
)
|
|
self.assertTrue(d.is_valid())
|
|
self.assertAlmostEqual(d.volume, 1 - 0.5**3, 5)
|
|
|
|
# wire
|
|
w = Face.make_rect(0.5, 0.5).outer_wire()
|
|
d = Solid.make_box(1, 1, 1, Plane((-0.5, -0.5, 0))).dprism(
|
|
None, [w], additive=False
|
|
)
|
|
self.assertTrue(d.is_valid())
|
|
self.assertAlmostEqual(d.volume, 1 - 0.5**2, 5)
|
|
|
|
def test_center(self):
|
|
with self.assertRaises(ValueError):
|
|
Solid.make_box(1, 1, 1).center(CenterOf.GEOMETRY)
|
|
|
|
self.assertTupleAlmostEquals(
|
|
Solid.make_box(1, 1, 1).center(CenterOf.BOUNDING_BOX).to_tuple(),
|
|
(0.5, 0.5, 0.5),
|
|
5,
|
|
)
|
|
|
|
|
|
class TestPlane(unittest.TestCase):
|
|
"""Plane with class properties"""
|
|
|
|
def test_class_properties(self):
|
|
"""Validate
|
|
Name xDir yDir zDir
|
|
=========== ======= ======= ======
|
|
XY +x +y +z
|
|
YZ +y +z +x
|
|
ZX +z +x +y
|
|
XZ +x +z -y
|
|
YX +y +x -z
|
|
ZY +z +y -x
|
|
front +x +y +z
|
|
back -x +y -z
|
|
left +z +y -x
|
|
right -z +y +x
|
|
top +x -z +y
|
|
bottom +x +z -y
|
|
"""
|
|
planes = [
|
|
(Plane.XY, (1, 0, 0), (0, 0, 1)),
|
|
(Plane.YZ, (0, 1, 0), (1, 0, 0)),
|
|
(Plane.ZX, (0, 0, 1), (0, 1, 0)),
|
|
(Plane.XZ, (1, 0, 0), (0, -1, 0)),
|
|
(Plane.YX, (0, 1, 0), (0, 0, -1)),
|
|
(Plane.ZY, (0, 0, 1), (-1, 0, 0)),
|
|
(Plane.front, (1, 0, 0), (0, 0, 1)),
|
|
(Plane.back, (-1, 0, 0), (0, 0, -1)),
|
|
(Plane.left, (0, 0, 1), (-1, 0, 0)),
|
|
(Plane.right, (0, 0, -1), (1, 0, 0)),
|
|
(Plane.top, (1, 0, 0), (0, 1, 0)),
|
|
(Plane.bottom, (1, 0, 0), (0, -1, 0)),
|
|
]
|
|
for plane, x_dir, z_dir in planes:
|
|
self.assertTupleAlmostEquals(plane.x_dir.to_tuple(), x_dir, 5)
|
|
self.assertTupleAlmostEquals(plane.z_dir.to_tuple(), z_dir, 5)
|
|
|
|
def test_plane_init(self):
|
|
# rotated location around z
|
|
loc = Location((0, 0, 0), (0, 0, 45))
|
|
p = Plane(loc)
|
|
self.assertTupleAlmostEquals(p.origin, (0, 0, 0), 6)
|
|
self.assertTupleAlmostEquals(
|
|
p.x_dir, (math.sqrt(2) / 2, math.sqrt(2) / 2, 0), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
p.y_dir, (-math.sqrt(2) / 2, math.sqrt(2) / 2, 0), 6
|
|
)
|
|
self.assertTupleAlmostEquals(p.z_dir, (0, 0, 1), 6)
|
|
self.assertTupleAlmostEquals(loc.position, p.to_location().position, 6)
|
|
self.assertTupleAlmostEquals(loc.orientation, p.to_location().orientation, 6)
|
|
|
|
# rotated location around x and origin <> (0,0,0)
|
|
loc = Location((0, 2, -1), (45, 0, 0))
|
|
p = Plane(loc)
|
|
self.assertTupleAlmostEquals(p.origin, (0, 2, -1), 6)
|
|
self.assertTupleAlmostEquals(p.x_dir, (1, 0, 0), 6)
|
|
self.assertTupleAlmostEquals(
|
|
p.y_dir, (0, math.sqrt(2) / 2, math.sqrt(2) / 2), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
p.z_dir, (0, -math.sqrt(2) / 2, math.sqrt(2) / 2), 6
|
|
)
|
|
self.assertTupleAlmostEquals(loc.position, p.to_location().position, 6)
|
|
self.assertTupleAlmostEquals(loc.orientation, p.to_location().orientation, 6)
|
|
|
|
# from a face
|
|
f = Face.make_rect(1, 2).located(Location((1, 2, 3), (45, 0, 45)))
|
|
p = Plane(f)
|
|
self.assertTupleAlmostEquals(p.origin, (1, 2, 3), 6)
|
|
self.assertTupleAlmostEquals(p.x_dir, (math.sqrt(2) / 2, 0.5, 0.5), 6)
|
|
self.assertTupleAlmostEquals(p.y_dir, (-math.sqrt(2) / 2, 0.5, 0.5), 6)
|
|
self.assertTupleAlmostEquals(
|
|
p.z_dir, (0, -math.sqrt(2) / 2, math.sqrt(2) / 2), 6
|
|
)
|
|
self.assertTupleAlmostEquals(f.location.position, p.to_location().position, 6)
|
|
self.assertTupleAlmostEquals(
|
|
f.location.orientation, p.to_location().orientation, 6
|
|
)
|
|
|
|
def test_plane_neg(self):
|
|
p = Plane(
|
|
origin=(1, 2, 3),
|
|
x_dir=Vector(1, 2, 3).normalized(),
|
|
z_dir=Vector(4, 5, 6).normalized(),
|
|
)
|
|
p2 = -p
|
|
self.assertTupleAlmostEquals(p2.origin, p.origin, 6)
|
|
self.assertTupleAlmostEquals(p2.x_dir, p.x_dir, 6)
|
|
self.assertTupleAlmostEquals(p2.z_dir, -p.z_dir, 6)
|
|
self.assertTupleAlmostEquals(
|
|
p2.y_dir, (-p.z_dir).cross(p.x_dir).normalized(), 6
|
|
)
|
|
|
|
def test_plane_mul(self):
|
|
p = Plane(origin=(1, 2, 3), x_dir=(1, 0, 0), z_dir=(0, 0, 1))
|
|
p2 = p * Location((1, 2, -1), (0, 0, 45))
|
|
self.assertTupleAlmostEquals(p2.origin, (2, 4, 2), 6)
|
|
self.assertTupleAlmostEquals(
|
|
p2.x_dir, (math.sqrt(2) / 2, math.sqrt(2) / 2, 0), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
p2.y_dir, (-math.sqrt(2) / 2, math.sqrt(2) / 2, 0), 6
|
|
)
|
|
self.assertTupleAlmostEquals(p2.z_dir, (0, 0, 1), 6)
|
|
|
|
p2 = p * Location((1, 2, -1), (0, 45, 0))
|
|
self.assertTupleAlmostEquals(p2.origin, (2, 4, 2), 6)
|
|
self.assertTupleAlmostEquals(
|
|
p2.x_dir, (math.sqrt(2) / 2, 0, -math.sqrt(2) / 2), 6
|
|
)
|
|
self.assertTupleAlmostEquals(p2.y_dir, (0, 1, 0), 6)
|
|
self.assertTupleAlmostEquals(
|
|
p2.z_dir, (math.sqrt(2) / 2, 0, math.sqrt(2) / 2), 6
|
|
)
|
|
|
|
p2 = p * Location((1, 2, -1), (45, 0, 0))
|
|
self.assertTupleAlmostEquals(p2.origin, (2, 4, 2), 6)
|
|
self.assertTupleAlmostEquals(p2.x_dir, (1, 0, 0), 6)
|
|
self.assertTupleAlmostEquals(
|
|
p2.y_dir, (0, math.sqrt(2) / 2, math.sqrt(2) / 2), 6
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
p2.z_dir, (0, -math.sqrt(2) / 2, math.sqrt(2) / 2), 6
|
|
)
|
|
|
|
def test_plane_methods(self):
|
|
# Test error checking
|
|
p = Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 1, 0))
|
|
with self.assertRaises(ValueError):
|
|
p.to_local_coords("box")
|
|
|
|
# Test translation to local coordinates
|
|
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()]
|
|
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)
|
|
|
|
def test_repr(self):
|
|
self.assertEqual(
|
|
repr(Plane.XY),
|
|
"Plane(o=(0.00, 0.00, 0.00), x=(1.00, 0.00, 0.00), z=(0.00, 0.00, 1.00))",
|
|
)
|
|
|
|
def test_set_origin(self):
|
|
offset_plane = Plane.XY
|
|
offset_plane.set_origin2d(1, 1)
|
|
self.assertTupleAlmostEquals(offset_plane.origin.to_tuple(), (1, 1, 0), 5)
|
|
|
|
def test_rotated(self):
|
|
rotated_plane = Plane.XY.rotated((45, 0, 0))
|
|
self.assertTupleAlmostEquals(rotated_plane.x_dir.to_tuple(), (1, 0, 0), 5)
|
|
self.assertTupleAlmostEquals(
|
|
rotated_plane.z_dir.to_tuple(), (0, -math.sqrt(2) / 2, math.sqrt(2) / 2), 5
|
|
)
|
|
|
|
def test_invalid_plane(self):
|
|
# Test plane creation error handling
|
|
with self.assertRaises(ValueError):
|
|
Plane(origin=(0, 0, 0), x_dir=(0, 0, 0), z_dir=(0, 1, 1))
|
|
with self.assertRaises(ValueError):
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 0, 0))
|
|
|
|
def test_plane_equal(self):
|
|
# default orientation
|
|
self.assertEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 0, 1)),
|
|
)
|
|
# moved origin
|
|
self.assertEqual(
|
|
Plane(origin=(2, 1, -1), x_dir=(1, 0, 0), z_dir=(0, 0, 1)),
|
|
Plane(origin=(2, 1, -1), x_dir=(1, 0, 0), z_dir=(0, 0, 1)),
|
|
)
|
|
# moved x-axis
|
|
self.assertEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 1, 0), z_dir=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 1, 0), z_dir=(0, 0, 1)),
|
|
)
|
|
# moved z-axis
|
|
self.assertEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 1, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(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), z_dir=(0, 0, 1)), value
|
|
)
|
|
# origin difference
|
|
self.assertNotEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 1), x_dir=(1, 0, 0), z_dir=(0, 0, 1)),
|
|
)
|
|
# x-axis difference
|
|
self.assertNotEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 1, 0), z_dir=(0, 0, 1)),
|
|
)
|
|
# z-axis difference
|
|
self.assertNotEqual(
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 0, 1)),
|
|
Plane(origin=(0, 0, 0), x_dir=(1, 0, 0), z_dir=(0, 1, 1)),
|
|
)
|
|
|
|
|
|
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, align=(Align.CENTER, Align.CENTER))
|
|
.rotate(Axis.X, 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(Axis.X, 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_rect(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, Plane(origin=(-50, 0, -70), z_dir=(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_rect(10, 10)
|
|
# with self.assertRaises(ValueError):
|
|
# f.project_to_shape(sphere, center=None, direction=None)[0]
|
|
# w = Face.make_rect(10, 10).outer_wire()
|
|
# with self.assertRaises(ValueError):
|
|
# w.project_to_shape(sphere, center=None, direction=None)[0]
|
|
|
|
|
|
class TestShape(unittest.TestCase):
|
|
"""Misc Shape tests"""
|
|
|
|
def test_mirror(self):
|
|
box_bb = Solid.make_box(1, 1, 1).mirror(Plane.XZ).bounding_box()
|
|
self.assertAlmostEqual(box_bb.min.X, 0, 5)
|
|
self.assertAlmostEqual(box_bb.max.X, 1, 5)
|
|
self.assertAlmostEqual(box_bb.min.Y, -1, 5)
|
|
self.assertAlmostEqual(box_bb.max.Y, 0, 5)
|
|
|
|
box_bb = Solid.make_box(1, 1, 1).mirror().bounding_box()
|
|
self.assertAlmostEqual(box_bb.min.Z, -1, 5)
|
|
self.assertAlmostEqual(box_bb.max.Z, 0, 5)
|
|
|
|
def test_compute_mass(self):
|
|
with self.assertRaises(NotImplementedError):
|
|
Shape.compute_mass(Vertex())
|
|
|
|
def test_combined_center(self):
|
|
objs = [Solid.make_box(1, 1, 1, Plane((x, 0, 0))) for x in [-2, 1]]
|
|
self.assertTupleAlmostEquals(
|
|
Shape.combined_center(objs, center_of=CenterOf.MASS).to_tuple(),
|
|
(0, 0.5, 0.5),
|
|
5,
|
|
)
|
|
|
|
objs = [Solid.make_sphere(1, Plane((x, 0, 0))) for x in [-2, 1]]
|
|
self.assertTupleAlmostEquals(
|
|
Shape.combined_center(objs, center_of=CenterOf.BOUNDING_BOX).to_tuple(),
|
|
(-0.5, 0, 0),
|
|
5,
|
|
)
|
|
with self.assertRaises(ValueError):
|
|
Shape.combined_center(objs, center_of=CenterOf.GEOMETRY)
|
|
|
|
def test_shape_type(self):
|
|
self.assertEqual(Vertex().shape_type(), "Vertex")
|
|
|
|
def test_scale(self):
|
|
self.assertAlmostEqual(Solid.make_box(1, 1, 1).scale(2).volume, 2**3, 5)
|
|
|
|
def test_fuse(self):
|
|
box1 = Solid.make_box(1, 1, 1)
|
|
box2 = Solid.make_box(1, 1, 1, Plane((1, 0, 0)))
|
|
combined = box1.fuse(box2, glue=True)
|
|
self.assertTrue(combined.is_valid())
|
|
self.assertAlmostEqual(combined.volume, 2, 5)
|
|
fuzzy = box1.fuse(box2, tol=1e-6)
|
|
self.assertTrue(fuzzy.is_valid())
|
|
self.assertAlmostEqual(fuzzy.volume, 2, 5)
|
|
|
|
def test_faces_intersected_by_axis(self):
|
|
box = Solid.make_box(1, 1, 1, Plane((0, 0, 1)))
|
|
intersected_faces = box.faces_intersected_by_axis(Axis.Z)
|
|
self.assertTrue(box.faces().sort_by(sort_by=Axis.Z)[0] in intersected_faces)
|
|
self.assertTrue(box.faces().sort_by(sort_by=Axis.Z)[-1] in intersected_faces)
|
|
|
|
def test_split(self):
|
|
box = Solid.make_box(1, 1, 1, Plane((-0.5, 0, 0)))
|
|
# halves = box.split(Face.make_rect(2, 2, normal=(1, 0, 0)))
|
|
halves = box.split(Face.make_rect(2, 2, Plane.YZ))
|
|
self.assertEqual(len(halves.solids()), 2)
|
|
|
|
def test_distance(self):
|
|
sphere1 = Solid.make_sphere(1, Plane((-5, 0, 0)))
|
|
sphere2 = Solid.make_sphere(1, Plane((5, 0, 0)))
|
|
self.assertAlmostEqual(sphere1.distance(sphere2), 8, 5)
|
|
|
|
def test_distances(self):
|
|
sphere1 = Solid.make_sphere(1, Plane((-5, 0, 0)))
|
|
sphere2 = Solid.make_sphere(1, Plane((5, 0, 0)))
|
|
sphere3 = Solid.make_sphere(1, Plane((-5, 0, 5)))
|
|
distances = [8, 3]
|
|
for i, distance in enumerate(sphere1.distances(sphere2, sphere3)):
|
|
self.assertAlmostEqual(distances[i], distance, 5)
|
|
|
|
def test_max_fillet(self):
|
|
test_solids = [Solid.make_box(10, 8, 2), Solid.make_cone(5, 3, 8)]
|
|
max_values = [0.96, 3.84]
|
|
for i, test_object in enumerate(test_solids):
|
|
with self.subTest("solids" + str(i)):
|
|
max = test_object.max_fillet(test_object.edges())
|
|
self.assertAlmostEqual(max, max_values[i], 2)
|
|
with self.assertRaises(RuntimeError):
|
|
test_solids[0].max_fillet(
|
|
test_solids[0].edges(), tolerance=1e-6, max_iterations=1
|
|
)
|
|
with self.assertRaises(ValueError):
|
|
box = Solid.make_box(1, 1, 1)
|
|
invalid_object = box.fillet(0.75, box.edges())
|
|
invalid_object.max_fillet(invalid_object.edges())
|
|
|
|
def test_locate_bb(self):
|
|
bounding_box = Solid.make_cone(1, 2, 1).bounding_box()
|
|
relocated_bounding_box = Plane.XZ.from_local_coords(bounding_box)
|
|
self.assertAlmostEqual(relocated_bounding_box.min.X, -2, 5)
|
|
self.assertAlmostEqual(relocated_bounding_box.max.X, 2, 5)
|
|
self.assertAlmostEqual(relocated_bounding_box.min.Y, 0, 5)
|
|
self.assertAlmostEqual(relocated_bounding_box.max.Y, -1, 5)
|
|
self.assertAlmostEqual(relocated_bounding_box.min.Z, -2, 5)
|
|
self.assertAlmostEqual(relocated_bounding_box.max.Z, 2, 5)
|
|
|
|
def test_is_equal(self):
|
|
box = Solid.make_box(1, 1, 1)
|
|
self.assertTrue(box.is_equal(box))
|
|
|
|
def test_tessellate(self):
|
|
box123 = Solid.make_box(1, 2, 3)
|
|
verts, triangles = box123.tessellate(1e-6)
|
|
self.assertEqual(len(verts), 24)
|
|
self.assertEqual(len(triangles), 12)
|
|
|
|
# def test_to_vtk_poly_data(self):
|
|
|
|
# from vtkmodules.vtkCommonDataModel import vtkPolyData
|
|
|
|
# f = Face.make_rect(2, 2)
|
|
# vtk = f.to_vtk_poly_data(normals=False)
|
|
# self.assertTrue(isinstance(vtk, vtkPolyData))
|
|
# self.assertEqual(vtk.GetNumberOfPolys(), 2)
|
|
|
|
# def test_repr_javascript_(self):
|
|
# print(Shape._repr_javascript_(Face))
|
|
|
|
def test_transformed(self):
|
|
"""Validate that transformed works the same as changing location"""
|
|
rotation = (uniform(0, 360), uniform(0, 360), uniform(0, 360))
|
|
offset = (uniform(0, 50), uniform(0, 50), uniform(0, 50))
|
|
shape = Solid.make_box(1, 1, 1).transformed(rotation, offset)
|
|
predicted_location = Location(offset) * Rotation(*rotation)
|
|
located_shape = Solid.make_box(1, 1, 1).locate(predicted_location)
|
|
intersect = shape.intersect(located_shape)
|
|
self.assertAlmostEqual(intersect.volume, 1, 5)
|
|
|
|
def test_position_and_orientation(self):
|
|
box = Solid.make_box(1, 1, 1).locate(Location((1, 2, 3), (10, 20, 30)))
|
|
self.assertTupleAlmostEquals(box.position.to_tuple(), (1, 2, 3), 5)
|
|
self.assertTupleAlmostEquals(box.orientation.to_tuple(), (10, 20, 30), 5)
|
|
|
|
def test_copy(self):
|
|
with self.assertWarns(DeprecationWarning):
|
|
Solid.make_box(1, 1, 1).copy()
|
|
|
|
def test_distance_to_with_closest_points(self):
|
|
s0 = Solid.make_sphere(1).locate(Location((0, 2.1, 0)))
|
|
s1 = Solid.make_sphere(1)
|
|
distance, pnt0, pnt1 = s0.distance_to_with_closest_points(s1)
|
|
self.assertAlmostEqual(distance, 0.1, 5)
|
|
self.assertTupleAlmostEquals(pnt0.to_tuple(), (0, 1.1, 0), 5)
|
|
self.assertTupleAlmostEquals(pnt1.to_tuple(), (0, 1, 0), 5)
|
|
|
|
def test_closest_points(self):
|
|
c0 = Edge.make_circle(1).locate(Location((0, 2.1, 0)))
|
|
c1 = Edge.make_circle(1)
|
|
closest = c0.closest_points(c1)
|
|
self.assertTupleAlmostEquals(
|
|
closest[0].to_tuple(), c0.position_at(0.75).to_tuple(), 5
|
|
)
|
|
self.assertTupleAlmostEquals(
|
|
closest[1].to_tuple(), c1.position_at(0.25).to_tuple(), 5
|
|
)
|
|
|
|
def test_distance_to(self):
|
|
c0 = Edge.make_circle(1).locate(Location((0, 2.1, 0)))
|
|
c1 = Edge.make_circle(1)
|
|
distance = c0.distance_to(c1)
|
|
self.assertAlmostEqual(distance, 0.1, 5)
|
|
|
|
def test_find_intersection(self):
|
|
box = Solid.make_box(1, 1, 1)
|
|
intersections = box.find_intersection(Axis((0.5, 0.5, 4), (0, 0, -1)))
|
|
self.assertTupleAlmostEquals(intersections[0][0].to_tuple(), (0.5, 0.5, 1), 5)
|
|
self.assertTupleAlmostEquals(intersections[0][1].to_tuple(), (0, 0, 1), 5)
|
|
self.assertTupleAlmostEquals(intersections[1][0].to_tuple(), (0.5, 0.5, 0), 5)
|
|
self.assertTupleAlmostEquals(intersections[1][1].to_tuple(), (0, 0, -1), 5)
|
|
|
|
|
|
class TestShapeList(unittest.TestCase):
|
|
"""Test ShapeList functionality"""
|
|
|
|
def test_sort_by(self):
|
|
faces = Solid.make_box(1, 2, 3).faces() < SortBy.AREA
|
|
self.assertAlmostEqual(faces[-1].area, 2, 5)
|
|
|
|
def test_filter_by(self):
|
|
non_planar_faces = (
|
|
Solid.make_cylinder(1, 1).faces().filter_by(GeomType.PLANE, reverse=True)
|
|
)
|
|
self.assertEqual(len(non_planar_faces), 1)
|
|
self.assertAlmostEqual(non_planar_faces[0].area, 2 * math.pi, 5)
|
|
|
|
with self.assertRaises(ValueError):
|
|
Solid.make_box(1, 1, 1).faces().filter_by("True")
|
|
|
|
def test_first_last(self):
|
|
vertices = (
|
|
Solid.make_box(1, 1, 1).vertices().sort_by(Axis((0, 0, 0), (1, 1, 1)))
|
|
)
|
|
self.assertTupleAlmostEquals(vertices.last.to_tuple(), (1, 1, 1), 5)
|
|
self.assertTupleAlmostEquals(vertices.first.to_tuple(), (0, 0, 0), 5)
|
|
|
|
def test_group_by(self):
|
|
vertices = Solid.make_box(1, 1, 1).vertices().group_by(Axis.Z)
|
|
self.assertEqual(len(vertices[0]), 4)
|
|
|
|
edges = Solid.make_box(1, 1, 1).edges().group_by(SortBy.LENGTH)
|
|
self.assertEqual(len(edges[0]), 12)
|
|
|
|
edges = (
|
|
Solid.make_cone(2, 1, 2)
|
|
.edges()
|
|
.filter_by(GeomType.CIRCLE)
|
|
.group_by(SortBy.RADIUS)
|
|
)
|
|
self.assertEqual(len(edges[0]), 1)
|
|
|
|
edges = (Solid.make_cone(2, 1, 2).edges() | GeomType.CIRCLE) << SortBy.RADIUS
|
|
self.assertAlmostEqual(edges[0].length, 2 * math.pi, 5)
|
|
|
|
vertices = Solid.make_box(1, 1, 1).vertices().group_by(SortBy.DISTANCE)
|
|
self.assertTupleAlmostEquals(vertices[-1][0].to_tuple(), (1, 1, 1), 5)
|
|
|
|
box = Solid.make_box(1, 1, 2)
|
|
self.assertEqual(len(box.faces().group_by(SortBy.AREA)[0]), 2)
|
|
self.assertEqual(len(box.faces().group_by(SortBy.AREA)[1]), 4)
|
|
|
|
with BuildPart() as boxes:
|
|
with GridLocations(10, 10, 3, 3):
|
|
Box(1, 1, 1)
|
|
with PolarLocations(100, 10):
|
|
Box(1, 1, 2)
|
|
self.assertEqual(len(boxes.solids().group_by(SortBy.VOLUME)[-1]), 10)
|
|
self.assertEqual(len((boxes.solids()) << SortBy.VOLUME), 9)
|
|
|
|
with self.assertRaises(ValueError):
|
|
boxes.solids().group_by("AREA")
|
|
|
|
|
|
class TestSolid(unittest.TestCase):
|
|
def test_extrude_with_taper(self):
|
|
base = Face.make_rect(1, 1)
|
|
pyramid = Solid.extrude_linear(base, normal=(0, 0, 1), taper=1)
|
|
self.assertLess(
|
|
pyramid.faces().sort_by(Axis.Z)[-1].area,
|
|
pyramid.faces().sort_by(Axis.Z)[0].area,
|
|
)
|
|
|
|
def test_extrude_linear_with_rotation(self):
|
|
# Face
|
|
base = Face.make_rect(1, 1)
|
|
twist = Solid.extrude_linear_with_rotation(
|
|
base, center=(0, 0, 0), normal=(0, 0, 1), angle=45
|
|
)
|
|
self.assertAlmostEqual(twist.volume, 1, 5)
|
|
top = twist.faces().sort_by(Axis.Z)[-1].rotate(Axis.Z, 45)
|
|
bottom = twist.faces().sort_by(Axis.Z)[0]
|
|
self.assertAlmostEqual(top.translate((0, 0, -1)).intersect(bottom).area, 1, 5)
|
|
# Wire
|
|
base = Wire.make_rect(1, 1)
|
|
twist = Solid.extrude_linear_with_rotation(
|
|
base, center=(0, 0, 0), normal=(0, 0, 1), angle=45
|
|
)
|
|
self.assertAlmostEqual(twist.volume, 1, 5)
|
|
top = twist.faces().sort_by(Axis.Z)[-1].rotate(Axis.Z, 45)
|
|
bottom = twist.faces().sort_by(Axis.Z)[0]
|
|
self.assertAlmostEqual(top.translate((0, 0, -1)).intersect(bottom).area, 1, 5)
|
|
|
|
|
|
class TestVector(unittest.TestCase):
|
|
"""Test the Vector methods"""
|
|
|
|
def test_vector_constructors(self):
|
|
v1 = Vector(1, 2, 3)
|
|
v2 = Vector((1, 2, 3))
|
|
v3 = Vector(gp_Vec(1, 2, 3))
|
|
v4 = Vector([1, 2, 3])
|
|
v5 = Vector(gp_XYZ(1, 2, 3))
|
|
|
|
for v in [v1, v2, v3, v4, v5]:
|
|
self.assertTupleAlmostEquals((1, 2, 3), v.to_tuple(), 4)
|
|
|
|
v6 = Vector((1, 2))
|
|
v7 = Vector([1, 2])
|
|
v8 = Vector(1, 2)
|
|
|
|
for v in [v6, v7, v8]:
|
|
self.assertTupleAlmostEquals((1, 2, 0), v.to_tuple(), 4)
|
|
|
|
v9 = Vector()
|
|
self.assertTupleAlmostEquals((0, 0, 0), v9.to_tuple(), 4)
|
|
|
|
v9.X = 1.0
|
|
v9.Y = 2.0
|
|
v9.Z = 3.0
|
|
self.assertTupleAlmostEquals((1, 2, 3), (v9.X, v9.Y, v9.Z), 4)
|
|
|
|
with self.assertRaises(TypeError):
|
|
Vector("vector")
|
|
with self.assertRaises(TypeError):
|
|
Vector(1, 2, 3, 4)
|
|
|
|
def test_vector_rotate(self):
|
|
"""Validate vector rotate methods"""
|
|
vector_x = Vector(1, 0, 1).rotate(Axis.X, 45)
|
|
vector_y = Vector(1, 2, 1).rotate(Axis.Y, 45)
|
|
vector_z = Vector(-1, -1, 3).rotate(Axis.Z, 45)
|
|
self.assertTupleAlmostEquals(
|
|
vector_x.to_tuple(), (1, -math.sqrt(2) / 2, math.sqrt(2) / 2), 7
|
|
)
|
|
self.assertTupleAlmostEquals(vector_y.to_tuple(), (math.sqrt(2), 2, 0), 7)
|
|
self.assertTupleAlmostEquals(vector_z.to_tuple(), (0, -math.sqrt(2), 3), 7)
|
|
|
|
def test_get_signed_angle(self):
|
|
"""Verify getSignedAngle calculations with and without a provided normal"""
|
|
a = math.pi / 3
|
|
v1 = Vector(1, 0, 0)
|
|
v2 = Vector(math.cos(a), -math.sin(a), 0)
|
|
d1 = v1.get_signed_angle(v2)
|
|
d2 = v1.get_signed_angle(v2, Vector(0, 0, 1))
|
|
self.assertAlmostEqual(d1, a * 180 / math.pi)
|
|
self.assertAlmostEqual(d2, -a * 180 / math.pi)
|
|
|
|
def test_center(self):
|
|
v = Vector(1, 1, 1)
|
|
self.assertAlmostEqual(v, v.center())
|
|
|
|
def test_to_vertex(self):
|
|
"""Verify conversion of Vector to Vertex"""
|
|
v = Vector(1, 2, 3).to_vertex()
|
|
self.assertTrue(isinstance(v, Vertex))
|
|
self.assertTupleAlmostEquals(v.to_tuple(), (1, 2, 3), 5)
|
|
|
|
def test_dot(self):
|
|
v1 = Vector(2, 2, 2)
|
|
v2 = Vector(1, -1, 1)
|
|
self.assertEqual(2.0, v1.dot(v2))
|
|
|
|
def test_vector_add(self):
|
|
result = Vector(1, 2, 0) + Vector(0, 0, 3)
|
|
self.assertTupleAlmostEquals((1.0, 2.0, 3.0), result.to_tuple(), 3)
|
|
|
|
def test_vector_operators(self):
|
|
result = Vector(1, 1, 1) + Vector(2, 2, 2)
|
|
self.assertEqual(Vector(3, 3, 3), result)
|
|
|
|
result = Vector(1, 2, 3) - Vector(3, 2, 1)
|
|
self.assertEqual(Vector(-2, 0, 2), result)
|
|
|
|
result = Vector(1, 2, 3) * 2
|
|
self.assertEqual(Vector(2, 4, 6), result)
|
|
|
|
result = 3 * Vector(1, 2, 3)
|
|
self.assertEqual(Vector(3, 6, 9), result)
|
|
|
|
result = Vector(2, 4, 6) / 2
|
|
self.assertEqual(Vector(1, 2, 3), result)
|
|
|
|
self.assertEqual(Vector(-1, -1, -1), -Vector(1, 1, 1))
|
|
|
|
self.assertEqual(0, abs(Vector(0, 0, 0)))
|
|
self.assertEqual(1, abs(Vector(1, 0, 0)))
|
|
self.assertEqual((1 + 4 + 9) ** 0.5, abs(Vector(1, 2, 3)))
|
|
|
|
def test_vector_equals(self):
|
|
a = Vector(1, 2, 3)
|
|
b = Vector(1, 2, 3)
|
|
c = Vector(1, 2, 3.000001)
|
|
self.assertEqual(a, b)
|
|
self.assertEqual(a, c)
|
|
|
|
def test_vector_project(self):
|
|
"""
|
|
Test line projection and plane projection methods of Vector
|
|
"""
|
|
decimal_places = 9
|
|
|
|
z_dir = Vector(1, 2, 3)
|
|
base = Vector(5, 7, 9)
|
|
x_dir = Vector(1, 0, 0)
|
|
|
|
# test passing Plane object
|
|
point = Vector(10, 11, 12).project_to_plane(Plane(base, x_dir, z_dir))
|
|
self.assertTupleAlmostEquals(
|
|
point.to_tuple(), (59 / 7, 55 / 7, 51 / 7), decimal_places
|
|
)
|
|
|
|
# test line projection
|
|
vec = Vector(10, 10, 10)
|
|
line = Vector(3, 4, 5)
|
|
angle = vec.get_angle(line) * DEG2RAD
|
|
|
|
vecLineProjection = vec.project_to_line(line)
|
|
|
|
self.assertTupleAlmostEquals(
|
|
vecLineProjection.normalized().to_tuple(),
|
|
line.normalized().to_tuple(),
|
|
decimal_places,
|
|
)
|
|
self.assertAlmostEqual(
|
|
vec.length * math.cos(angle), vecLineProjection.length, decimal_places
|
|
)
|
|
|
|
def test_vector_not_implemented(self):
|
|
v = Vector(1, 2, 3)
|
|
with self.assertRaises(NotImplementedError):
|
|
v.distance_to_plane()
|
|
|
|
def test_vector_special_methods(self):
|
|
v = Vector(1, 2, 3)
|
|
self.assertEqual(repr(v), "Vector: (1.0, 2.0, 3.0)")
|
|
self.assertEqual(str(v), "Vector: (1.0, 2.0, 3.0)")
|
|
|
|
def test_vector_iter(self):
|
|
self.assertEqual(sum([v for v in Vector(1, 2, 3)]), 6)
|
|
|
|
def test_reverse(self):
|
|
self.assertTupleAlmostEquals(
|
|
Vector(1, 2, 3).reverse().to_tuple(), (-1, -2, -3), 7
|
|
)
|
|
|
|
def test_copy(self):
|
|
v2 = copy.copy(Vector(1, 2, 3))
|
|
v3 = copy.deepcopy(Vector(1, 2, 3))
|
|
self.assertTupleAlmostEquals(v2.to_tuple(), (1, 2, 3), 7)
|
|
self.assertTupleAlmostEquals(v3.to_tuple(), (1, 2, 3), 7)
|
|
|
|
|
|
class VertexTests(unittest.TestCase):
|
|
"""Test the extensions to the cadquery Vertex class"""
|
|
|
|
def test_basic_vertex(self):
|
|
v = Vertex()
|
|
self.assertEqual(0, v.X)
|
|
|
|
v = Vertex(1, 1, 1)
|
|
self.assertEqual(1, v.X)
|
|
self.assertEqual(Vector, type(v.center()))
|
|
|
|
with self.assertRaises(ValueError):
|
|
Vertex(Vector())
|
|
|
|
def test_vertex_add(self):
|
|
test_vertex = 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(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(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(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(0, 0, 0)), "Vertex: (0.0, 0.0, 0.0)")
|
|
|
|
def test_vertex_to_vector(self):
|
|
self.assertIsInstance(Vertex(0, 0, 0).to_vector(), Vector)
|
|
self.assertTupleAlmostEquals(
|
|
Vertex(0, 0, 0).to_vector().to_tuple(), (0.0, 0.0, 0.0), 7
|
|
)
|
|
|
|
|
|
class TestWire(unittest.TestCase):
|
|
def test_ellipse_arc(self):
|
|
full_ellipse = Wire.make_ellipse(2, 1)
|
|
half_ellipse = Wire.make_ellipse(
|
|
2, 1, start_angle=0, end_angle=180, closed=True
|
|
)
|
|
self.assertAlmostEqual(full_ellipse.area / 2, half_ellipse.area, 5)
|
|
|
|
def test_conical_helix(self):
|
|
helix = Wire.make_helix(1, 4, 1, normal=(-1, 0, 0), angle=10, lefthand=True)
|
|
self.assertAlmostEqual(helix.length, 34.102023034708374, 5)
|
|
|
|
def test_stitch(self):
|
|
half_ellipse1 = Wire.make_ellipse(
|
|
2, 1, start_angle=0, end_angle=180, closed=False
|
|
)
|
|
half_ellipse2 = Wire.make_ellipse(
|
|
2, 1, start_angle=180, end_angle=360, closed=False
|
|
)
|
|
ellipse = half_ellipse1.stitch(half_ellipse2)
|
|
self.assertEqual(len(ellipse.wires()), 1)
|
|
|
|
def test_fillet_2d(self):
|
|
square = Wire.make_rect(1, 1)
|
|
squaroid = square.fillet_2d(0.1, square.vertices())
|
|
self.assertAlmostEqual(
|
|
squaroid.length, 4 * (1 - 2 * 0.1) + 2 * math.pi * 0.1, 5
|
|
)
|
|
|
|
def test_chamfer_2d(self):
|
|
square = Wire.make_rect(1, 1)
|
|
squaroid = square.chamfer_2d(0.1, square.vertices())
|
|
self.assertAlmostEqual(
|
|
squaroid.length, 4 * (1 - 2 * 0.1 + 0.1 * math.sqrt(2)), 5
|
|
)
|
|
|
|
def test_make_convex_hull(self):
|
|
# overlapping_edges = [
|
|
# Edge.make_circle(10, end_angle=60),
|
|
# Edge.make_circle(10, start_angle=30, end_angle=90),
|
|
# Edge.make_line((-10, 10), (10, -10)),
|
|
# ]
|
|
# with self.assertRaises(ValueError):
|
|
# Wire.make_convex_hull(overlapping_edges)
|
|
|
|
adjoining_edges = [
|
|
Edge.make_circle(10, end_angle=45),
|
|
Edge.make_circle(10, start_angle=315, end_angle=360),
|
|
Edge.make_line((-10, 10), (-10, -10)),
|
|
]
|
|
hull_wire = Wire.make_convex_hull(adjoining_edges)
|
|
self.assertAlmostEqual(Face.make_from_wires(hull_wire).area, 319.9612, 4)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|