| from __future__ import annotations |
|
|
| import re |
| from pathlib import Path |
|
|
| import cadquery as cq |
|
|
|
|
| OUTPUT_ROOT = Path(r"C:\Users\User\Desktop") |
| STEP_NAME = "cli_027_mass_reduced_out.step" |
| TEXT_NAME = "cli_027_massprops.txt" |
| HOLES = [(-30.0, -20.0), (30.0, -20.0), (-30.0, 20.0), (30.0, 20.0)] |
| TOL = 0.08 |
| DENSITY_G_CM3 = 2.70 |
|
|
|
|
| def load_single_solid(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) != 1 or not solids[0].isValid(): |
| raise ValueError("expected one valid bracket solid") |
| return solids[0] |
|
|
|
|
| def inside(solid, x: float, y: float, z: float) -> bool: |
| return bool(solid.isInside(cq.Vector(x, y, z), 1e-5)) |
|
|
|
|
| def check_bbox(solid) -> bool: |
| bb = solid.BoundingBox() |
| actual = (bb.xmin, bb.xmax, bb.ymin, bb.ymax, bb.zmin, bb.zmax) |
| expected = (-50.0, 50.0, -30.0, 30.0, 0.0, 40.0) |
| return all(abs(a - e) <= TOL for a, e in zip(actual, expected)) |
|
|
|
|
| def check_holes_and_rib(solid) -> bool: |
| for cx, cy in HOLES: |
| 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 all(inside(solid, x, y, z) for x, y, z in [(-45, 0, 20), (0, 0, 35), (45, 0, 20)]) |
|
|
|
|
| def mass_g(volume_mm3: float) -> float: |
| return volume_mm3 / 1000.0 * DENSITY_G_CM3 |
|
|
|
|
| def check_massprops(path: Path, volume: float) -> bool: |
| if not path.exists() or path.stat().st_size <= 0: |
| return False |
| text = path.read_text(encoding="utf-8", errors="ignore").lower() |
| numbers = [float(value) for value in re.findall(r"\d+(?:\.\d+)?", text)] |
| has_volume = any(abs(value - volume) <= 5.0 for value in numbers) |
| has_mass = any(abs(value - mass_g(volume)) <= 0.2 for value in numbers) |
| return "mass" in text and "volume" in text and has_volume and has_mass |
|
|
|
|
| def evaluate() -> bool: |
| solid = load_single_solid(OUTPUT_ROOT / STEP_NAME) |
| volume = solid.Volume() |
| return ( |
| check_bbox(solid) |
| and check_holes_and_rib(solid) |
| and 178.0 <= mass_g(volume) <= 182.0 |
| and check_massprops(OUTPUT_ROOT / TEXT_NAME, volume) |
| ) |
|
|
|
|
| if __name__ == "__main__": |
| try: |
| print(True if evaluate() else False) |
| except Exception: |
| print(False) |
|
|
