发几个.Net标注相关的方法
本帖最后由 fangmin723 于 2021-7-31 12:26 编辑只有代码，没有演示，就这么干看着不合适，不适合，来上传个演示看看，演示中所有标准均为这几个标注方法创建！！！
/// <summary>
/// 将图形添加到图形文件中---本方法为李小科AutoCAD.Net教程封装方法
/// </summary>
/// <param name="db">图形数据库</param>
/// <param name="ent">图形对象</param>
/// <returns>ObjectId图元名</returns>
public static ObjectId AddEntityToModelSpace(this Database db, Entity ent)
{
//声明ObjectId,用于返回
ObjectId entId = ObjectId.Null;
//开启事务处理
using (Transaction trans = db.TransactionManager.StartTransaction())
{
//打开块表
BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead);
//打开块表记录
BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt, OpenMode.ForWrite);
//添加图形到块表记录
entId = btr.AppendEntity(ent);
//更新数据信息
trans.AddNewlyCreatedDBObject(ent, true);
//提交事务
trans.Commit();
}
return entId;
}
/// <summary>
/// 创建转角标注
/// </summary>
/// <param name="pt1">标注起始点</param>
/// <param name="pt2">标注结束点</param>
/// <param name="txtpt">文字放置点</param>
/// <param name="txt">标注内容</param>
/// <param name="IsH">是否横向</param>
/// <param name="scal">标注比例</param>
/// <param name="lfac">标注比例</param>
/// <param name="dec">标注精度</param>
/// <returns>图元ObjectId</returns>
public static ObjectId RotatedDim(Point3d pt1, Point3d pt2, Point3d txtpt, string txt, bool IsH, double scal = 1, double lfac = 1, int dec = 0)
{
RotatedDimension dim = new RotatedDimension
{
XLine1Point = pt1,
XLine2Point = pt2,
DimLinePoint = txtpt,
TextPosition = txtpt,
DimensionText = txt,
Dimdec = dec,
Dimscale = scal,
Dimlfac = lfac
};
dim.Rotation = IsH ? 0 : Math.PI * 0.5;
return db.AddEntityToModelSpace(dim);
}
/// <summary>
/// 创建圆弧半径标注
/// </summary>
/// <param name="center">圆弧圆心</param>
/// <param name="startang">圆弧起始角度</param>
/// <param name="endang">圆弧终点角度</param>
/// <param name="cpt">标注弦点</param>
/// <param name="txtpt">标注文字放置点</param>
/// <param name="dimstr">标注内容</param>
/// <param name="scal">标注全局比例</param>
/// <param name="lfac">标注线型比例</param>
/// <returns>图元ObjectId</returns>
public static ObjectId ArcRadialDim(Point3d center, double startang, double endang, Point3d cpt, Point3d txtpt, string dimstr, double scal, double lfac)
{
RadialDimension rdim = new RadialDimension
{
Center = center,
ChordPoint = cpt,
DimensionText = dimstr,
UsingDefaultTextPosition = true,
LeaderLength = 5,
Dimscale = scal,
Dimlfac = lfac,
TextPosition = txtpt
};
ResultBuffer resBuf = new ResultBuffer();
resBuf.Add(new TypedValue((int)DxfCode.ExtendedDataRegAppName, "ACAD_DSTYLE_DIMRADIAL_EXTENSION"));
resBuf.Add(new TypedValue((int)DxfCode.ExtendedDataInteger16, 387));
resBuf.Add(new TypedValue((int)DxfCode.ExtendedDataInteger16, 1));
resBuf.Add(new TypedValue((int)DxfCode.ExtendedDataInteger16, 388));
resBuf.Add(new TypedValue((int)DxfCode.ExtendedDataReal, startang));//圆弧的开始角度
resBuf.Add(new TypedValue((int)DxfCode.ExtendedDataInteger16, 390));
resBuf.Add(new TypedValue((int)DxfCode.ExtendedDataReal, endang));//圆弧的结束角度
rdim.XData = resBuf;
return db.AddEntityToModelSpace(rdim);
}
/// <summary>
/// 创建直径标注
/// </summary>
/// <param name="cpt">第一标注点</param>
/// <param name="fcpt">第二标注点</param>
/// <param name="txtpt">文字放置点</param>
/// <param name="scal">标注比例</param>
/// <param name="lfac">标注线型比例</param>
/// <param name="dec">标注精度</param>
/// <returns>图元ObjectId</returns>
public static ObjectId DiametricDim(Point3d cpt, Point3d fcpt, Point3d txtpt, string dimstr = "<>", double scal = 1, double lfac = 1, int dec = 0)
{
DiametricDimension dim = new DiametricDimension
{
ChordPoint = cpt,
FarChordPoint = fcpt,
TextPosition = txtpt,
DimensionText = dimstr,
Dimdec = dec,
Dimscale = scal,
Dimlfac = lfac
};
return db.AddEntityToModelSpace(dim);
}
/// <summary>
/// 创建直线角度标注
/// </summary>
/// <param name="pt1s">起始角度直线起始点</param>
/// <param name="pt1e">起始角度直线终止点</param>
/// <param name="pt2s">终止角度直线起始点</param>
/// <param name="pt2e">终止角度直线终止点</param>
/// <param name="arcpt">圆弧位置点</param>
/// <param name="scal">标注比例</param>
/// <param name="lfac">标注线型比例</param>
/// <param name="dec">标注精度</param>
/// <returns>图元ObjectId</returns>
public static ObjectId AngularDim(Point3d pt1s, Point3d pt1e, Point3d pt2s, Point3d pt2e, Point3d arcpt, double scal = 1, double lfac = 1, int dec = 0)
{
LineAngularDimension2 dim = new LineAngularDimension2
{
XLine1Start = pt1s,
XLine1End = pt1e,
XLine2Start = pt2s,
XLine2End = pt2e,
ArcPoint = arcpt,
Dimdec = dec,
Dimadec = dec,
Dimscale = scal,
Dimlfac = lfac
};
return db.AddEntityToModelSpace(dim);
}
:victory:lsp 转到C #
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