NX-二次开发创建圆弧(三点圆弧)UF_CURVE_create_arc_3point

     NX9+VS2012

     #include <uf.h>
     #include <uf_curve.h>

     UF_initialize();

     //起点
     double ArcStartPoint[];
     ArcStartPoint[] = 0.0;
     ArcStartPoint[] = 0.0;
     ArcStartPoint[] = 0.0;
     tag_t ArcStartPointTag = NULL_TAG;
     UF_CURVE_create_point(ArcStartPoint, &ArcStartPointTag);

     //终点
     double ArcEndPoint[];
     ArcEndPoint[] = 100.0;
     ArcEndPoint[] = 0.0;
     ArcEndPoint[] = 0.0;
     tag_t ArcEndPointTag = NULL_TAG;
     UF_CURVE_create_point(ArcEndPoint, &ArcEndPointTag);

     //第三点
     double Arc3Point[];
     Arc3Point[] = 50.0;
     Arc3Point[] = 50.0;
     Arc3Point[] = 0.0;
     tag_t Arc3PointTag = NULL_TAG;
     UF_CURVE_create_point(Arc3Point, &Arc3PointTag);

     //设置类型
     UF_CURVE_limit_t limit[];
     UF_CURVE_limit_p_t pLimit[] = { &limit[], &limit[] };
     limit[].limit_type = UF_CURVE_limit_to_entity;
     limit[].limiting_obj = ArcStartPointTag;//按点
     limit[].limit_type = UF_CURVE_limit_to_entity;
     limit[].limiting_obj = ArcEndPointTag;//按点

     tag_t SupportPlane = NULL_TAG;//放置平面
     tag_t ArcTag = NULL_TAG;
     UF_CURVE_create_arc_3point(ArcStartPointTag, ArcEndPointTag, Arc3PointTag, pLimit, SupportPlane, FALSE, &ArcTag);

     UF_terminate();