def test_sew(self):
pnts = [(0, 0, 0), (1, 1, 1), (1, 0, 0)]
zencad.sew([
zencad.segment(pnts[0], pnts[1]),
zencad.segment(pnts[1], pnts[2]),
zencad.segment(pnts[2], pnts[0]),
])
def build():
r = io.imread("image.png", as_gray=True)
# Find contours at a constant value of 0.8
contours = measure.find_contours(r, 0.8)
zcountours = [
zencad.interpolate([zencad.point3(t[0], t[1]) for t in contour])
for contour in contours
]
gons = [z.fill() for z in zcountours if z.is_closed()]
ncls = [z for z in zcountours if not z.is_closed()]
ints = []
for i in range(0, len(gons)):
for j in range(0, len(gons)):
if i == j:
continue
ints.append(gons[i] ^ gons[j])
ints = zencad.union(ints)
gons = [g - ints for g in gons]
gons = zencad.union(gons)
pnts = chain(*[n.endpoints().unlazy() for n in ncls])
pnts = list(pnts)
rpnts = []
for i in range(0, len(pnts)):
for j in range(0, len(pnts)):
if i == j or j > i:
continue
if (
math.sqrt(
(pnts[i].x - pnts[j].x) ** 2
+ (pnts[i].y - pnts[j].y) ** 2
+ (pnts[i].z - pnts[j].z) ** 2
)
< 150
):
rpnts.append((i, j))
wires = ncls + [zencad.segment(pnts[a], pnts[b]) for a, b in rpnts]
wires = [
wires[0],
wires[4],
wires[1],
wires[7],
wires[3],
wires[6],
wires[2],
wires[5],
]
gons = gons.left(760 / 2).back(768 / 2)
w0 = zencad.sew(wires).left(760 / 2).back(768 / 2)
w1 = w0.scale(1.2, zencad.point3(0, 0, 0))
f = w1.fill() - w0.fill()
mechanicus = gons + f
mechanicus = mechanicus.extrude(20).up(20)
base = zencad.circle(r=500).extrude(20)
return mechanicus, base, zcountours
def test_segment_probe(self):
zencad.segment((0, 0, 0), (10, 20, 30))
def test_ruled(self):
zencad.ruled(zencad.segment((0, 0, 0), (10, 10, 10)),
zencad.segment((10, 0, 0), (20, 10, 10)))