alloyer/alloyer-cnc-api

1import os2# 禁用GUI，避免服务器图形库报错3os.environ["OCC_NO_GUI"] = "1"4 5from OCC.Core.STEPControl import STEPControl_Reader6from OCC.Core.BRepGProp import brepgprop_VolumeProperties7from OCC.Core.GProp import GProp_GProps8from OCC.Core.Bnd import Bnd_Box9from OCC.Core.BRepBndLib import brepbndlib10 11def step_analyzer(step_path, material="6061", quantity=1):12    reader = STEPControl_Reader()13    reader.ReadFile(step_path)14    reader.TransferRoots()15    shape = reader.OneShape()16 17    # 包围盒 长宽高18    bbox = Bnd_Box()19    brepbndlib.Add(shape, bbox)20    xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()21    dx = round(xmax - xmin, 2)22    dy = round(ymax - ymin, 2)23    dz = round(zmax - zmin, 2)24 25    # 真实体积26    prop = GProp_GProps()27    brepgprop_VolumeProperties(shape, prop)28    vol = round(prop.Mass() / 1000, 3)29 30    # 统一底价 8.9931    base = 8.9932    total = round(base * quantity, 2)33 34    return {35        "part": {"size_mm": [dx, dy, dz], "volume_cm3": vol},36        "price_usd": {37            "low": round(total * 0.9, 2),38            "mid": total,39            "high": round(total * 1.1, 2)40        },41        "dfm": {"warnings": []}42    }