public void AddLeader()
{
Database db = HostApplicationServices.WorkingDatabase;
using (var trans = db.TransactionManager.StartTransaction())
{
//创建一个在原点直径为0.219的圆。
Circle circle = new Circle();
circle.Center = Point3d.Origin;
circle.Diameter = 0.219;
//创建一个多行文本并设置其内容为4Xφd±0.005（其中d为圆的直径）
MText txt = new MText();
txt.Contents = "4X" + TextSpecialSymbol.Diameter + circle.Diameter + TextSpecialSymbol.Tolerance + "0.005";
txt.Location = new Point3d(1, 1, 0); //文本位置
txt.TextHeight = 0.2; //文本高度
db.AddToModelSpace(circle, txt); //将圆和文本添加到模型空间中
Leader leader = new Leader(); //创建一个引线对象
//将圆上一点及文本位置作为引线的顶点
leader.AppendVertex(circle.Center.PolarPoint(Math.PI / 3, circle.Radius));
leader.AppendVertex(txt.Location);
db.AddToModelSpace(leader); //将引线添加到模型空间中
leader.Dimgap = 0.1; //设置引线的文字偏移为0.1
leader.Dimasz = 0.1; //设置引线的箭头大小为0.1
leader.Annotation = txt.ObjectId; //设置引线的注释对象为文本
leader.EvaluateLeader(); //计算引线及其关联注释之间的关系
trans.Commit(); //提交更改
}
}
addLdr(Point3dCollection pnt3ds, ObjectId idLayer, double sizeArrow, double sizeGap, Color color,
ObjectId idMTxt, string nameStyle = "Annotative", bool spline = false)
{
ObjectId idLdr = ObjectId.Null;
Leader ldr = new Leader();
try
{
using (Transaction tr = BaseObjs.startTransactionDb())
{
BlockTable BT = Blocks.getBlockTable();
BlockTableRecord MS = (BlockTableRecord)tr.GetObject(BT[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
ObjectId idDimStyle = Dim.getDimStyleTableRecord("Annotative");
DimStyleTableRecord dstr = (DimStyleTableRecord)tr.GetObject(idDimStyle, OpenMode.ForRead);
ldr.SetDatabaseDefaults();
ldr.HasArrowHead = true;
ldr.DimensionStyle = idDimStyle;
ldr.SetDimstyleData(dstr);
ldr.LayerId = idLayer;
ldr.Dimasz = sizeArrow;
ldr.Dimgap = sizeGap;
ldr.IsSplined = spline;
ldr.Color = color;
ldr.Annotative = AnnotativeStates.True;
for (int i = 0; i < pnt3ds.Count; i++)
{
try
{
ldr.AppendVertex(pnt3ds[i]);
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " Ldr.cs: line: 60");
}
}
idLdr = MS.AppendEntity(ldr);
tr.AddNewlyCreatedDBObject(ldr, true);
if (!idMTxt.IsNull)
{
ldr.Annotative = AnnotativeStates.True;
ldr.Annotation = idMTxt;
ldr.Dimtad = 0;
ldr.EvaluateLeader();
}
tr.Commit();
}// end using
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " Ldr.cs: line: 79");
}
return(idLdr);
}
/// <summary>
/// 引线和注释
/// </summary>
public static void AddLeaderAnnotation(double YB_x, double YB_y, double Z_x, double Z_y, string zhushi
, int Color, double G_x, double G_y)
{
//获取当前数据库
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
//启动事务
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
//以读模式打开块表
BlockTable acBlkTbl;
acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId,
OpenMode.ForRead) as BlockTable;
//以写模式打开块表记录模型空间
BlockTableRecord acBlkTblRec;
acBlkTblRec = acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace],
OpenMode.ForWrite) as BlockTableRecord;
//创建多行文字(MText)注释
using (MText acMText = new MText())
{
acMText.Contents = zhushi;
acMText.Location = new Point3d(Z_x, Z_y, 0);
acMText.ColorIndex = Color;
acMText.Width = 2;
acMText.Height = 1.5;
//添加新对象到模型空间，记录事务
acBlkTblRec.AppendEntity(acMText);
acTrans.AddNewlyCreatedDBObject(acMText, true);
//创建带注释的引线
using (Leader acLdr = new Leader())
{
acLdr.AppendVertex(new Point3d(YB_x, YB_y, 0));
acLdr.AppendVertex(new Point3d(G_x, G_y, 0));
acLdr.AppendVertex(new Point3d(G_x, G_y + 1, 0));
acLdr.HasArrowHead = true;
//添加新对象到模型空间，记录事务
acBlkTblRec.AppendEntity(acLdr);
acTrans.AddNewlyCreatedDBObject(acLdr, true);
//给引线对象附加注释
acLdr.Annotation = acMText.ObjectId;
acLdr.EvaluateLeader();
//释放DBObject对象
}
}
//提交修改，回收内存
acTrans.Commit();
}
}
addLdr(Point3dCollection pnt3ds, bool isSplined = false, MText mTxt = null, string nameLayer = "0", short color = 256)
{
ObjectId idLdr = ObjectId.Null;
Leader ldr = new Leader();
double scale = Misc.getCurrAnnoScale();
try
{
using (Transaction tr = BaseObjs.startTransactionDb())
{
BlockTableRecord MS = Blocks.getBlockTableRecordMS();
ldr.SetDatabaseDefaults();
ldr.HasArrowHead = true;
ldr.IsSplined = isSplined;
ldr.Dimasz = scale * 0.09;
Layer.manageLayers(nameLayer);
ldr.Layer = nameLayer;
ldr.Color = Color.FromColorIndex(ColorMethod.ByBlock, color);
foreach (Point3d pnt3d in pnt3ds)
{
ldr.AppendVertex(pnt3d);
}
idLdr = MS.AppendEntity(ldr);
tr.AddNewlyCreatedDBObject(ldr, true);
if (mTxt != null)
{
ldr.Annotation = mTxt.ObjectId;
ldr.Dimtad = 0;
ldr.EvaluateLeader();
}
ldr.Annotative = AnnotativeStates.True;
tr.Commit();
}// end using
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " Draw.cs: line: 162");
}
return(idLdr);
}
