| from __future__ import annotations |
|
|
| from pathlib import Path |
|
|
| import cadquery as cq |
|
|
|
|
| OUTPUT_ROOT = Path(r"C:\Users\User\Desktop") |
| OUTPUT_NAME = "cli_037_replaced_motor_out.step" |
| TOL = 0.08 |
| HOLES = [(25.0, -20.0), (25.0, 20.0), (55.0, -20.0), (55.0, 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) != 3 or any(not s.isValid() for s in solids): |
| raise ValueError("expected frame, new_motor, and coupler") |
| 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): |
| frame = motor = coupler = None |
| for solid in solids: |
| if close_tuple(bbox_tuple(solid), (-30.0, 70.0, -35.0, 35.0, 0.0, 8.0)): |
| frame = solid |
| elif close_tuple(bbox_tuple(solid), (10.0, 85.0, -22.5, 22.5, 8.0, 48.0)): |
| motor = solid |
| elif close_tuple(bbox_tuple(solid), (85.0, 115.0, -9.0, 9.0, 21.0, 39.0)): |
| coupler = solid |
| if frame is None or motor is None or coupler is None: |
| raise ValueError("replacement assembly parts not found") |
| return frame, motor, coupler |
|
|
|
|
| def check_mounting_holes(frame, motor) -> bool: |
| for cx, cy in HOLES: |
| if inside(frame, cx, cy, 4.0) or inside(motor, cx, cy, 12.0): |
| return False |
| if not inside(frame, cx + 3.6, cy, 4.0): |
| return False |
| return True |
|
|
|
|
| def check_axis_alignment(motor, coupler) -> bool: |
| return ( |
| inside(motor, 75.0, 0.0, 30.0) |
| and inside(motor, 75.0, 4.7, 30.0) |
| and not inside(motor, 75.0, 5.8, 30.0) |
| and inside(coupler, 100.0, 0.0, 30.0) |
| and inside(coupler, 100.0, 8.5, 30.0) |
| and not inside(coupler, 100.0, 9.8, 30.0) |
| and abs(motor.BoundingBox().xmax - coupler.BoundingBox().xmin) <= TOL |
| ) |
|
|
|
|
| def evaluate() -> bool: |
| frame, motor, coupler = classify(load_solids(OUTPUT_ROOT / OUTPUT_NAME)) |
| return ( |
| check_mounting_holes(frame, motor) |
| and check_axis_alignment(motor, coupler) |
| and abs(frame.Volume() - 55095.2) <= 80.0 |
| and abs(motor.Volume() - 104834.3) <= 120.0 |
| and abs(coupler.Volume() - 7634.1) <= 50.0 |
| ) |
|
|
|
|
| if __name__ == "__main__": |
| try: |
| print(True if evaluate() else False) |
| except Exception: |
| print(False) |
|
|
