def test_2d_polyline_including_width_to_primitive():
from ezdxf.layouts import VirtualLayout
vl = VirtualLayout()
p1 = (0, 0, 1, 1, 0)
p2 = (2, 0, 0, 0, 0)
lwp = vl.add_lwpolyline([p1, p2], dxfattribs={"elevation": 1})
p2d = vl.add_polyline2d([p1, p2],
format="xyseb",
dxfattribs={"elevation": (0, 0, 1)})
for e in [lwp, p2d]:
p = disassemble.make_primitive(e)
assert p.is_empty is False
assert p.path is None
assert (
p.mesh
is not None), "2D polylines including width should create a mesh"
vertices = list(p.vertices())
assert len(vertices) == 4
box = BoundingBox(vertices)
assert box.extmin.isclose((0, -0.5, 1)), "vertices should be in WCS"
assert box.extmax.isclose((2, 0.5, 1)), "vertices should be in WCS"
def test_append_formatted_vertices():
msp = VirtualLayout()
p = msp.add_polyline2d([(1, 2, .5), (3, 4, .7)], format='xyb')
assert len(p) == 2
v1 = p.vertices[0]
assert v1.dxf.location == (1, 2)
assert v1.dxf.bulge == 0.5
v2 = p.vertices[1]
assert v2.dxf.location == (3, 4)
assert v2.dxf.bulge == 0.7
def polyline2d():
from ezdxf.layouts import VirtualLayout
layout = VirtualLayout()
return layout.add_polyline2d(
POLYLINE_POINTS,
format="xyseb",
dxfattribs={
"elevation": (0, 0, 4),
"extrusion": (0, 0, -1),
},
)
def test_2d_3d_polyline_to_primitive():
from ezdxf.layouts import VirtualLayout
vl = VirtualLayout()
p1 = Vec3(1, 1)
p2 = Vec3(2, 2)
p3 = Vec3(3, 3)
e2d = vl.add_polyline2d([p1, p2, p3])
e3d = vl.add_polyline3d([p1, p2, p3])
for e in [e2d, e3d]:
p = disassemble.make_primitive(e)
assert p.is_empty is False
assert p.path is not None
assert p.mesh is None
assert list(p.vertices()) == [p1, p2, p3]
def test_polyline2d_closed():
# Create a circle by 2D POLYLINE:
msp = VirtualLayout()
polyline = msp.add_polyline2d(points=[(0, 0, 1), (1, 0, 1)], format='xyb')
polyline.close(True)
result = list(polyline.virtual_entities())
assert len(result) == 2
e = result[0]
assert e.dxftype() == 'ARC'
assert e.dxf.center == (0.5, 0)
assert e.dxf.radius == 0.5
assert math.isclose(e.dxf.start_angle, 180, abs_tol=1e-12)
assert math.isclose(e.dxf.end_angle, 0, abs_tol=1e-12)
e = result[1]
assert e.dxftype() == 'ARC'
assert e.dxf.center.isclose((0.5, 0))
assert e.dxf.radius == 0.5
assert math.isclose(e.dxf.start_angle, 0, abs_tol=1e-12)
assert math.isclose(abs(e.dxf.end_angle), 180, abs_tol=1e-12)