public void AddTolerance()
{
Database db = HostApplicationServices.WorkingDatabase;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
//创建一个形位公差特征控制框
FeatureControlFrame frame = new FeatureControlFrame();
//形位公差的几何特征为位置
string geometricSym = DimFormatCode.Position;
//形位公差值为0.20，且带直径符号，包容条件为最大实体要求
string torlerance = DimFormatCode.Diameter + "0.20" + DimFormatCode.CircleM;
//形位公差的第一级基准符号,包容条件为最大实体要求
string firstDatum = "A" + DimFormatCode.CircleM;
//形位公差的第二级基准符号,包容条件为不考虑特征尺寸
string secondDatum = "B" + DimFormatCode.CircleS;
//形位公差的第三级基准符号,包容条件为最小实体要求
string thirdDatum = "C" + DimFormatCode.CircleL;
//设置公差特征控制框的内容为形位公差
frame.CreateTolerance(geometricSym, torlerance, firstDatum, secondDatum, thirdDatum);
frame.Location = new Point3d(1, 0.5, 0); //控制框的位置
frame.Dimscale = 0.05; //控制框的大小
db.AddToModelSpace(frame); //控制框添加到模型空间中
trans.Commit(); //提交更改
}
}
// 由形位公差替代文字、插入点、法线向量和形位公差x方向向量创建形位公差标注的函数.
public static ObjectId AddTolerance(string codes, Point3d inPt, Vector3d norVec, Vector3d xVec)
{
FeatureControlFrame ent = new FeatureControlFrame(codes, inPt, norVec, xVec);
ObjectId entId = AppendEntity(ent);
return(entId);
}
/// <summary>
/// 设置形位公差值
/// </summary>
/// <param name="frame">形位公差特征控制框对象</param>
/// <param name="geometricSym">几何特征符号，表示公差的几何特征，例如位置、轮廓、形状、方向或跳动</param>
/// <param name="torlerance">公差值</param>
/// <param name="firstDatum">第一级基准要素</param>
/// <param name="secondDatum">第二级基准要素</param>
/// <param name="thirdDatum">第三级基准要素</param>
public static void CreateTolerance(this FeatureControlFrame frame, string geometricSym, string torlerance, string firstDatum, string secondDatum, string thirdDatum)
{
if (frame == null)
{
return; //特征控制框对象必须已定义，否则返回
}
//设置形位公差值，各组成部分用竖线（%%v）分隔
frame.Text = geometricSym + "%%v" + torlerance + "%%v" + firstDatum + "%%v" + secondDatum + "%%v" + thirdDatum;
}
public static ObjectId AddTolerance(string codes, Point3d inPt, Vector3d norVec, Vector3d xVec)
{
FeatureControlFrame ent = new FeatureControlFrame(codes, inPt, norVec, xVec);
return(ModelSpace.AddEnt(ent));
}
