File size: 1,877 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 | from __future__ import annotations
import math
from pathlib import Path
import cadquery as cq
OUTPUT_ROOT = Path(r"C:\Users\User\Desktop")
TOL = 0.10
FLAT_LEN = 40.0 + 2.0 * 35.0 + 2.0 * (math.pi / 2.0) * (2.0 + 0.5 * 2.0)
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("unexpected solid count")
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 inside(solid, x: float, y: float, z: float) -> bool:
return bool(solid.isInside(cq.Vector(x, y, z), 1e-5))
def check_bent_original() -> bool:
solid = load_solids(OUTPUT_ROOT / "cli_035_bent_original.step", 1)[0]
return (
close_tuple(bbox_tuple(solid), (-22.0, 22.0, -30.0, 30.0, 0.0, 37.0))
and inside(solid, 0, 0, 1.0)
and inside(solid, -21.0, 0, 20.0)
and inside(solid, 21.0, 0, 20.0)
and not inside(solid, 0, 0, 20.0)
)
def check_flat_pattern() -> bool:
solid = load_solids(OUTPUT_ROOT / "cli_035_flat_pattern_out.step", 1)[0]
bb = solid.BoundingBox()
return (
abs(bb.xlen - FLAT_LEN) <= TOL
and abs(bb.ylen - 60.0) <= TOL
and abs(bb.zlen - 2.0) <= TOL
and abs(solid.Volume() - (FLAT_LEN * 60.0 * 2.0)) <= 80.0
)
def evaluate() -> bool:
return check_bent_original() and check_flat_pattern()
if __name__ == "__main__":
try:
print(True if evaluate() else False)
except Exception:
print(False)
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