def test_angles_to_ocs_deg():
ucs = UCS.from_x_axis_and_point_in_xy(origin=(1, 2, 3),
axis=(2, 3, 4),
point=(3, 2, 5))
angles = [15, 30, 90]
expected = [ucs.to_ocs_angle_deg(a) for a in angles]
result = ucs.angles_to_ocs_deg(angles)
assert result == expected
def test_ucs_direction_to_ocs_direction():
ucs = UCS.from_x_axis_and_point_in_xy(origin=(1, 2, 3),
axis=(2, 3, 4),
point=(3, 2, 5))
assert ucs.is_cartesian is True
expected = (-3.350073025395333, 2.9626020192591795, 6)
assert ucs.ucs_direction_to_ocs_direction(Vector(2, 4,
6)).isclose(expected)
def test_ocs_angles_to_ocs_deg():
ucs = UCS.from_x_axis_and_point_in_xy(origin=(1, 2, 3),
axis=(2, 3, 4),
point=(3, 2, 5))
angles = [15, 30, 90]
# tests only the actual state - as it is - not granted results are correct
expected = [-128.92976741554182, -113.92976741554183, -53.929767415541825]
result = ucs.ocs_angles_to_ocs_deg(angles, extrusion=Vector(1, 2, 3))
assert result == expected
def test_spatial_arc_from_3p():
start_point_wcs = Vector(0, 1, 0)
end_point_wcs = Vector(1, 0, 0)
def_point_wcs = Vector(0, 0, 1)
ucs = UCS.from_x_axis_and_point_in_xy(origin=def_point_wcs,
axis=end_point_wcs - def_point_wcs,
point=start_point_wcs)
start_point_ucs = ucs.from_wcs(start_point_wcs)
end_point_ucs = ucs.from_wcs(end_point_wcs)
def_point_ucs = Vector(0, 0)
arc = ConstructionArc.from_3p(start_point_ucs, end_point_ucs, def_point_ucs)
dwg = ezdxf.new('R12')
msp = dwg.modelspace()
dxf_arc = arc.add_to_layout(msp, ucs)
assert dxf_arc.dxftype() == 'ARC'
assert isclose(dxf_arc.dxf.radius, 0.81649658, abs_tol=1e-9)
assert isclose(dxf_arc.dxf.start_angle, 330)
assert isclose(dxf_arc.dxf.end_angle, 210)
assert dxf_arc.dxf.extrusion.isclose((0.57735027, 0.57735027, 0.57735027),
abs_tol=1e-9)
# create a 2D arcs in xy-plane
delta = 30
for count in range(12):
modelspace.add_arc(center=(0, 0),
radius=10 + count,
start_angle=count * delta,
end_angle=(count + 1) * delta)
# create a 3D arc from 3 points in WCS
start_point_wcs = Vec3(3, 0, 0)
end_point_wcs = Vec3(0, 3, 0)
def_point_wcs = Vec3(0, 0, 3)
# create UCS
ucs = UCS.from_x_axis_and_point_in_xy(origin=def_point_wcs,
axis=start_point_wcs - def_point_wcs,
point=end_point_wcs)
start_point_ucs = ucs.from_wcs(start_point_wcs)
end_point_ucs = ucs.from_wcs(end_point_wcs)
def_point_ucs = Vec3(0, 0) # origin of UCS
# create arc in the xy-plane of the UCS
arc = ConstructionArc.from_3p(start_point_ucs, end_point_ucs, def_point_ucs)
arc.add_to_layout(modelspace, ucs, dxfattribs={'color': 1}) # red arc
arc = ConstructionArc.from_3p(end_point_ucs, start_point_ucs, def_point_ucs)
arc.add_to_layout(modelspace, ucs, dxfattribs={'color': 2}) # yellow arc
p1 = Vec3(0, -18)
p2 = Vec3(0, +18)
arc = ConstructionArc.from_2p_angle(p1, p2, 90)
def test_to_ocs_angle_deg():
ucs = UCS.from_x_axis_and_point_in_xy(origin=(1, 2, 3),
axis=(2, 3, 4),
point=(3, 2, 5))
expected = 120.077450607124
assert isclose(ucs.to_ocs_angle_deg(45), expected)
