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      "Code": "# -*- coding: utf-8 -*-\r\n# 16 — Listar pilares y vigas estructurales con nivel y material.\r\n#\r\n# Sin entradas.\r\n#\r\n# Salida: tabla (lista de listas) con cabecera para Excel.\r\n\r\nimport sys\r\n\r\nimport clr\r\nclr.AddReference('RevitAPI')\r\nclr.AddReference('RevitServices')\r\nfrom Autodesk.Revit.DB import (\r\n    FilteredElementCollector,\r\n    BuiltInCategory,\r\n    BuiltInParameter,\r\n    FamilyInstance,\r\n)\r\nfrom RevitServices.Persistence import DocumentManager\r\n\r\ndoc = DocumentManager.Instance.CurrentDBDocument\r\n_PY3 = sys.version_info[0] >= 3\r\n\r\n\r\ndef _ustr(value):\r\n    if value is None:\r\n        return ''\r\n    if _PY3:\r\n        return str(value).strip()\r\n    try:\r\n        if isinstance(value, unicode):\r\n            return value.strip()\r\n    except NameError:\r\n        pass\r\n    return str(value).strip()\r\n\r\nheader = ['category', 'id', 'family', 'type', 'level', 'structural_material', 'mark']\r\nrows = [header]\r\n\r\n\r\ndef _level_name(el):\r\n    try:\r\n        lid = el.LevelId\r\n        if lid is None or lid.IntegerValue < 0:\r\n            return ''\r\n        lv = doc.GetElement(lid)\r\n        return _ustr(lv.Name) if lv is not None else ''\r\n    except Exception:\r\n        return ''\r\n\r\n\r\ndef _mat(el):\r\n    p = el.get_Parameter(BuiltInParameter.STRUCTURAL_MATERIAL_PARAM)\r\n    if p is None:\r\n        p = el.LookupParameter('Structural Material')\r\n    if p is None:\r\n        return ''\r\n    return _ustr(p.AsValueString() or '')\r\n\r\n\r\ndef _mark(el):\r\n    p = el.get_Parameter(BuiltInParameter.ALL_MODEL_MARK)\r\n    if p is None:\r\n        return ''\r\n    return _ustr(p.AsString() or '')\r\n\r\nfor bic in (BuiltInCategory.OST_StructuralColumns, BuiltInCategory.OST_StructuralFraming):\r\n    for el in FilteredElementCollector(doc).OfCategory(bic).OfClass(FamilyInstance).ToElements():\r\n        sym = el.Symbol\r\n        fam = sym.Family.Name if sym is not None else ''\r\n        typ = sym.Name if sym is not None else ''\r\n        rows.append([\r\n            _ustr(el.Category.Name),\r\n            el.Id.IntegerValue,\r\n            _ustr(fam),\r\n            _ustr(typ),\r\n            _level_name(el),\r\n            _mat(el),\r\n            _mark(el),\r\n        ])\r\n\r\nOUT = rows\r\n# --- RÜM: mensaje de cierre (URL en rum_platform_url.py) ---\r\ntry:\r\n    import sys as _rum_sys\r\n    _rum_root = r'c:\\RUM_Platform\\RUM_Tools\\Dynamo_Routines'\r\n    if _rum_root not in _rum_sys.path:\r\n        _rum_sys.path.insert(0, _rum_root)\r\n    import rum_finalize as _rum_fin\r\n    OUT = _rum_fin.apply(OUT)\r\nexcept Exception:\r\n    pass\r\n",
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