【C# MSCE】方接圆

Question

C#该如何生成下图红色的圆底方顶样子的模型呢 
 
 我用BodyFromLoft函数生成的元素是下面样子的，不知道BodyFromLoft这个函数是否能实现我想要的效果。

HongQiang Guo · Accepted Answer

我写了个函数简单演示了一下如何创建需要的基本体，您可以参考一下： 
 
 public static void CreateRectToCirc(double rectA, double rectB, double length, double circRadi)
 {
 double uorPerMe = Session.Instance.GetActiveDgnModel().GetModelInfo().UorPerMeter;
 DgnBoxDetail dgnBoxDeta = new DgnBoxDetail(new DPoint3d(circRadi * uorPerMe, 0, 0), new DPoint3d(-rectA/2*uorPerMe, -rectB / 2 * uorPerMe, length * uorPerMe),
 DVector3d.UnitX, DVector3d.UnitY, 0, 0, rectA * uorPerMe, rectB * uorPerMe, true);
 SolidPrimitive solidPri = SolidPrimitive.CreateDgnBox(dgnBoxDeta);
 Element eleSolid = DraftingElementSchema.ToElement(Session.Instance.GetActiveDgnModel(), solidPri, null);
 eleSolid.AddToModel();

 dgnBoxDeta = new DgnBoxDetail(new DPoint3d(-circRadi * uorPerMe, 0, 0), new DPoint3d(-rectA / 2 * uorPerMe, -rectB / 2 * uorPerMe, length * uorPerMe),
 DVector3d.UnitX, DVector3d.UnitY, 0, 0, rectA * uorPerMe, rectB * uorPerMe, true);
 solidPri = SolidPrimitive.CreateDgnBox(dgnBoxDeta);
 eleSolid = DraftingElementSchema.ToElement(Session.Instance.GetActiveDgnModel(), solidPri, null);
 eleSolid.AddToModel();

 dgnBoxDeta = new DgnBoxDetail(new DPoint3d(0, circRadi * uorPerMe,0), new DPoint3d(-rectA / 2 * uorPerMe, -rectB / 2 * uorPerMe, length * uorPerMe),
 DVector3d.UnitX, DVector3d.UnitY, 0, 0, rectA * uorPerMe, rectB * uorPerMe, true);
 solidPri = SolidPrimitive.CreateDgnBox(dgnBoxDeta);
 eleSolid = DraftingElementSchema.ToElement(Session.Instance.GetActiveDgnModel(), solidPri, null);
 eleSolid.AddToModel();


 dgnBoxDeta = new DgnBoxDetail(new DPoint3d(0, -circRadi * uorPerMe, 0), new DPoint3d(-rectA / 2 * uorPerMe, -rectB / 2 * uorPerMe, length * uorPerMe),
 DVector3d.UnitX, DVector3d.UnitY, 0, 0, rectA * uorPerMe, rectB * uorPerMe, true);
 solidPri = SolidPrimitive.CreateDgnBox(dgnBoxDeta);
 eleSolid = DraftingElementSchema.ToElement(Session.Instance.GetActiveDgnModel(), solidPri, null);
 eleSolid.AddToModel();

 DgnConeDetail dgnConeDeta = new DgnConeDetail(DPoint3d.Zero, new DPoint3d(-rectA / 2 * uorPerMe, -rectB / 2 * uorPerMe, length * uorPerMe), DVector3d.UnitX,
 DVector3d.UnitY, circRadi * uorPerMe, 0, true);
 solidPri = SolidPrimitive.CreateDgnCone(dgnConeDeta);
 eleSolid = DraftingElementSchema.ToElement(Session.Instance.GetActiveDgnModel(), solidPri, null);
 eleSolid.AddToModel();

 dgnConeDeta = new DgnConeDetail(DPoint3d.Zero, new DPoint3d(rectA / 2 * uorPerMe, rectB / 2 * uorPerMe, length * uorPerMe), DVector3d.UnitX,
 DVector3d.UnitY, circRadi * uorPerMe, 0, true);
 solidPri = SolidPrimitive.CreateDgnCone(dgnConeDeta);
 eleSolid = DraftingElementSchema.ToElement(Session.Instance.GetActiveDgnModel(), solidPri, null);
 eleSolid.AddToModel();



 dgnConeDeta = new DgnConeDetail(DPoint3d.Zero, new DPoint3d(-rectA / 2 * uorPerMe, rectB / 2 * uorPerMe, length * uorPerMe), DVector3d.UnitX,
 DVector3d.UnitY, circRadi * uorPerMe, 0, true);
 solidPri = SolidPrimitive.CreateDgnCone(dgnConeDeta);
 eleSolid = DraftingElementSchema.ToElement(Session.Instance.GetActiveDgnModel(), solidPri, null);
 eleSolid.AddToModel();


 dgnConeDeta = new DgnConeDetail(DPoint3d.Zero, new DPoint3d(rectA / 2 * uorPerMe, -rectB / 2 * uorPerMe, length * uorPerMe), DVector3d.UnitX,
 DVector3d.UnitY, circRadi * uorPerMe, 0, true);
 solidPri = SolidPrimitive.CreateDgnCone(dgnConeDeta);
 eleSolid = DraftingElementSchema.ToElement(Session.Instance.GetActiveDgnModel(), solidPri, null);
 eleSolid.AddToModel();
 }

HongQiang Guo · Answer

先将所有的基本体union成一个整体再去做剪切。

【C# MSCE】 方接圆

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