File size: 2,605 Bytes
5154c4e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | from __future__ import annotations
from pathlib import Path
import cadquery as cq
OUTPUT_ROOT = Path(r"C:\Users\User\Desktop")
OUTPUT_NAME = "cli_022_hole_transfer_out.step"
TOL = 0.08
REL_CENTERS = [(-40.0, -20.0), (0.0, -20.0), (40.0, -20.0),
(-40.0, 20.0), (0.0, 20.0), (40.0, 20.0)]
def load_solids(path: Path):
if not path.exists() or path.stat().st_size <= 0:
raise FileNotFoundError(path)
solids = cq.importers.importStep(str(path)).solids().vals()
if len(solids) != 2 or any(not solid.isValid() for solid in solids):
raise ValueError("expected two valid independent solids")
return solids
def inside(solid, x: float, y: float, z: float) -> bool:
return bool(solid.isInside(cq.Vector(x, y, z), 1e-5))
def bbox_tuple(solid):
bb = solid.BoundingBox()
return (bb.xmin, bb.xmax, bb.ymin, bb.ymax, bb.zmin, bb.zmax)
def dims(solid):
bb = solid.BoundingBox()
return (bb.xlen, bb.ylen, bb.zlen)
def center_xy(solid):
bb = solid.BoundingBox()
return ((bb.xmin + bb.xmax) / 2.0, (bb.ymin + bb.ymax) / 2.0)
def close_tuple(actual, expected) -> bool:
return all(abs(float(a) - float(e)) <= TOL for a, e in zip(actual, expected))
def classify(solids):
source = target = None
for solid in solids:
if close_tuple(dims(solid), (120.0, 80.0, 8.0)):
source = solid
elif close_tuple(dims(solid), (140.0, 90.0, 8.0)):
target = solid
if source is None or target is None:
raise ValueError("source and target plates not found")
return source, target
def check_hole_pattern(solid, center, bbox_expected) -> bool:
if not close_tuple(bbox_tuple(solid), bbox_expected):
return False
cx0, cy0 = center
for rx, ry in REL_CENTERS:
cx, cy = cx0 + rx, cy0 + ry
if any(inside(solid, x, y, z) for x, y, z in [(cx, cy, 4), (cx + 2.7, cy, 4), (cx, cy + 2.7, 4)]):
return False
if not all(inside(solid, x, y, z) for x, y, z in [(cx + 3.5, cy, 4), (cx, cy + 3.5, 4)]):
return False
return True
def evaluate() -> bool:
solids = load_solids(OUTPUT_ROOT / OUTPUT_NAME)
source, target = classify(solids)
return (
check_hole_pattern(source, (0.0, 0.0), (-60.0, 60.0, -40.0, 40.0, 0.0, 8.0))
and check_hole_pattern(target, (125.0, 0.0), (55.0, 195.0, -45.0, 45.0, 0.0, 8.0))
and abs(sum(s.Volume() for s in solids) - 174885.7) <= 100.0
)
if __name__ == "__main__":
try:
print(True if evaluate() else False)
except Exception:
print(False)
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