【UG\NX二次开发】UF 计算曲线的最大曲率数据 (UF_MODL_ask_max_curvature)
/*判断曲线是否是样条*/boolisSpline(tag_tcruve_tag){logicalis_spline=0;UF_EVAL_p_tevaluator;UF_CALL(UF_EVAL_initialize(cruve_tag,&evaluator));UF_CALL(UF_EVAL_is_spline(evaluator,&is_spline));UF_CALL(UF_EVAL_fre