File size: 2,392 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 | from __future__ import annotations
from pathlib import Path
import cadquery as cq
OUTPUT_ROOT = Path(r"C:\Users\User\Desktop")
TOL = 0.08
ASSEMBLY_BBOXES = [
(-35.0, 35.0, -22.5, 22.5, 0.0, 12.0),
(55.0, 95.0, -12.5, 12.5, 0.0, 8.0),
(100.0, 140.0, -12.5, 12.5, 0.0, 8.0),
(161.0, 169.0, -4.0, 4.0, 0.0, 40.0),
(169.0, 187.0, -9.0, 9.0, 0.0, 4.0),
]
PART_SPECS = {
"cli_030_base.step": ((-35.0, 35.0, -22.5, 22.5, -6.0, 6.0), 37800.0),
"cli_030_left_cover.step": ((-20.0, 20.0, -12.5, 12.5, -4.0, 4.0), 8000.0),
"cli_030_right_cover.step": ((-20.0, 20.0, -12.5, 12.5, -4.0, 4.0), 8000.0),
"cli_030_pin.step": ((-4.0, 4.0, -4.0, 4.0, -20.0, 20.0), 2010.6),
"cli_030_washer.step": ((-9.0, 9.0, -9.0, 9.0, -2.0, 2.0), 816.8),
}
def load_solids(path: Path, expected_count: int):
if not path.exists() or path.stat().st_size <= 0:
raise FileNotFoundError(path)
solids = cq.importers.importStep(str(path)).solids().vals()
if len(solids) != expected_count or any(not solid.isValid() for solid in solids):
raise ValueError(f"expected {expected_count} valid solid(s)")
return solids
def bbox_tuple(solid):
bb = solid.BoundingBox()
return (bb.xmin, bb.xmax, bb.ymin, bb.ymax, bb.zmin, bb.zmax)
def close_tuple(actual, expected) -> bool:
return all(abs(float(a) - float(e)) <= TOL for a, e in zip(actual, expected))
def bbox_matches_any(actual, expected_list) -> bool:
return any(close_tuple(actual, expected) for expected in expected_list)
def check_full_assembly() -> bool:
solids = load_solids(OUTPUT_ROOT / "cli_030_full_assembly_out.step", 5)
bboxes = [bbox_tuple(s) for s in solids]
return (
all(bbox_matches_any(expected, bboxes) for expected in ASSEMBLY_BBOXES)
and abs(sum(s.Volume() for s in solids) - 56627.4) <= 80.0
)
def check_part_file(name: str, expected_bbox, expected_volume: float) -> bool:
solid = load_solids(OUTPUT_ROOT / name, 1)[0]
return close_tuple(bbox_tuple(solid), expected_bbox) and abs(solid.Volume() - expected_volume) <= 50.0
def evaluate() -> bool:
return check_full_assembly() and all(
check_part_file(name, bbox, volume)
for name, (bbox, volume) in PART_SPECS.items()
)
if __name__ == "__main__":
try:
print(True if evaluate() else False)
except Exception:
print(False)
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