| from __future__ import annotations |
|
|
| from pathlib import Path |
|
|
| import cadquery as cq |
|
|
|
|
| OUTPUT_ROOT = Path(r"C:\Users\User\Desktop") |
| OUTPUT_NAME = "cli_034_pins_inserted_out.step" |
| CENTERS = [(x, y) for x in (-40.0, -20.0, 0.0, 20.0, 40.0) for y in (-20.0, 20.0)] |
| TOL = 0.08 |
|
|
|
|
| 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) != 11 or any(not s.isValid() for s in solids): |
| raise ValueError("expected fixture plus ten pins") |
| return solids |
|
|
|
|
| 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 close_tuple(actual, expected) -> bool: |
| return all(abs(float(a) - float(e)) <= TOL for a, e in zip(actual, expected)) |
|
|
|
|
| def inside(solid, x: float, y: float, z: float) -> bool: |
| return bool(solid.isInside(cq.Vector(x, y, z), 1e-5)) |
|
|
|
|
| def classify(solids): |
| fixture = None |
| pins = [] |
| for solid in solids: |
| if close_tuple(dims(solid), (100.0, 70.0, 8.0)): |
| fixture = solid |
| elif close_tuple(dims(solid), (4.0, 4.0, 20.0)): |
| pins.append(solid) |
| if fixture is None or len(pins) != 10: |
| raise ValueError("fixture or pins missing") |
| return fixture, pins |
|
|
|
|
| def check_fixture(fixture) -> bool: |
| if not close_tuple(bbox_tuple(fixture), (-50.0, 50.0, -35.0, 35.0, 0.0, 8.0)): |
| return False |
| for cx, cy in CENTERS: |
| if inside(fixture, cx, cy, 6.0): |
| return False |
| if not inside(fixture, cx, cy, 3.5): |
| return False |
| return True |
|
|
|
|
| def check_pins(pins) -> bool: |
| expected = [((cx - 2.0, cx + 2.0, cy - 2.0, cy + 2.0, 4.0, 24.0), (cx, cy)) for cx, cy in CENTERS] |
| unmatched = list(pins) |
| for bbox, _center in expected: |
| match = None |
| for pin in unmatched: |
| if close_tuple(bbox_tuple(pin), bbox): |
| match = pin |
| break |
| if match is None: |
| return False |
| unmatched.remove(match) |
| return True |
|
|
|
|
| def evaluate() -> bool: |
| fixture, pins = classify(load_solids(OUTPUT_ROOT / OUTPUT_NAME)) |
| return ( |
| check_fixture(fixture) |
| and check_pins(pins) |
| and abs(fixture.Volume() - 55445.8) <= 100.0 |
| and abs(sum(pin.Volume() for pin in pins) - 2513.3) <= 80.0 |
| ) |
|
|
|
|
| if __name__ == "__main__": |
| try: |
| print(True if evaluate() else False) |
| except Exception: |
| print(False) |
|
|
