/// <summary>
/// 由截面面域、旋转轴起点、旋转轴终点和旋转角度创建旋转体
/// </summary>
/// <param name="region">截面面域</param>
/// <param name="axisPt1">旋转轴起点</param>
/// <param name="axisPt2">旋转轴终点</param>
/// <param name="angle">旋转角度</param>
/// <returns>返回创建的旋转体的Id</returns>
public static ObjectId AddRevolvedSolid(Region region, Point3d axisPt1,
Point3d axisPt2, double angle)
{
Database db = HostApplicationServices.WorkingDatabase;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
try
{
Solid3d ent = new Solid3d();
ent.Revolve(region, axisPt1, axisPt2 - axisPt1, angle);
ObjectId entId = ObjectId.Null;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
entId = db.AddToModelSpace(ent);
tr.Commit();
}
return(entId);
}
catch
{
ed.WriteMessage("\n参数不当,创建旋转体失败！");
return(ObjectId.Null);
}
}
// 由截面面域、旋转轴起点、旋转轴终点和旋转角度创建旋转体的函数.
public static ObjectId AddRevolvedSolid(Region region, Point3d axisPt1, Point3d axisPt2, double angle)
{
try
{
Solid3d ent = new Solid3d();
ent.Revolve(region, axisPt1, axisPt2 - axisPt1, angle);
ObjectId entId = AppendEntity(ent);
return(entId);
}
catch
{
ObjectId nullId = ObjectId.Null;
return(nullId);
}
}