# CAD二次开发api **Repository Path**: matadorbb/cadapi ## Basic Information - **Project Name**: CAD二次开发api - **Description**: CAD二次开发api介绍 - **Primary Language**: C# - **License**: MIT - **Default Branch**: master - **Homepage**: https://space.bilibili.com/2114059610 - **GVP Project**: No ## Statistics - **Stars**: 0 - **Forks**: 38 - **Created**: 2023-07-08 - **Last Updated**: 2023-07-08 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README ## 前言 会持续更新CAD二次开发api功能介绍和视频，有问题可以私信联系我，也可以加群交流 [闻人南131的个人空间_哔哩哔哩_bilibili](https://space.bilibili.com/2114059610) ![输入图片说明](png/%E7%BE%A4%E4%BA%8C%E7%BB%B4%E7%A0%81.png) ------ ## 直线 Line https://www.bilibili.com/video/BV1Ls4y1o7kh/ ![](png/Line.png) | 属性 | 中文 | 数据类型 | 作用 | | :--------- | -------- | -------- | -------------------------- | | Length | 长度 | double | 直线的长度 | | Angle | 角度 | double | 直线的弧度，0~2π | | Delta | 增量 | Vector3d | 起点到终点的向量 | | Normal | 法向向量 | Vector3d | 直线所在平面的法向单位向量 | | Thickness | 厚度 | double | | | EndPoint | 终点 | Point3d | 直线的终点 | | StartPoint | 起点 | Point3d | 直线的起点 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | --------------------------------------------------- | ------------------------------------ | | [Line( )](#Line1) | 无参数 | 构造函数：声明一条空的直线 | | [Line](#Line2)
(
   Point3d pointer1,
   Point3d pointer2
) |  
 
起点
终点
  | 构造函数：声明从起点到终点的一条直线 | ```c# Line line = new Line(); ``` ```c# Point3d point1 = new Point3d(0, 0, 0); Point3d point2 = new Point3d(10, 10, 0); Line line = new Line(point1, point2); ``` ------ ## 圆 Circle https://www.bilibili.com/video/BV1gY411673D/ ![](png/Circle.png) | 属性 | 中文 | 数据类型 | 作用 | | :------------ | ------------ | -------- | -------------------------- | | Diameter | 直径 | double | 圆的直径 | | Circumference | 周长 | double | 圆的周长 | | Normal | 单位法向向量 | Vector3d | 圆所在的平面的单位法向向量 | | Thickness | 厚度 | double | 圆的厚度 | | Radius | 半径 | double | 圆的半径 | | Center | 圆心 | Point3d | 圆的圆心 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | ---------------------------------- | | [Circle( )](#Circle1) | 无参数 | 构造函数：声明一个空的圆 | | [Circle](#Circle2)
(
   Point3d center,
   Vector3d normal,
   double radius
) |  
 
圆心
法向向量
半径
  | 构造函数：声明一个确定圆心半径的圆 | ```c# Circle circle = new Circle(); ``` ```c# Point3d center = new Point3d(0, 0, 0); Vector3d normal = Vector3d.ZAxis; double radius = 5; Circle circle = new Circle(center, normal, radius); ``` ------ ## 圆弧 Arc https://www.bilibili.com/video/BV1fX4y1S7ad/ ![](png/Arc.png) | 属性 | 中文 | 数据类型 | 作用 | | :--------- | -------- | -------- | -------------------------- | | TotalAngle | 总角度 | double | 圆弧的总弧度 | | Length | 总长 | double | 圆弧的总长度 | | Normal | 法向向量 | Vector3d | 圆弧所在平面的单位法向向量 | | Thickness | 厚度 | double | 圆弧的厚度 | | EndAngle | 终点角度 | double | 圆心到终点连线的弧度 | | StartAngle | 起点角度 | double | 圆心到起点连线的弧度 | | Radius | 半径 | double | 圆弧的半径 | | Center | 圆心 | Point3d | 圆弧的圆心 | **注意事项**：当Normal为-Z轴方向时，虽然圆弧任是根据右手定则逆时针的，但是从用户视角，圆弧变成了顺时针，圆弧起始弧度判断也从X轴变成了-X轴，在读取一些图纸中的圆弧时，需注意Normal方向。 | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ | | [Arc( )](#Arc1) | 无参数 | 构造函数：声明一个空的圆弧 | | [Arc](#Arc2)
(
   Point3d center,
   double radius,
   double startAngle,
  double endAngle
) |  
 
圆心
半径
起点角度
终点角度
  | 构造函数：声明一个确定
圆心半径的起点终点的圆弧 | | [Arc](#Arc3)
(
   Point3d center,
   Vector3d normal,
   double radius,
   double startAngle,
  double endAngle
) |  
 
圆心
法向向量
半径
起点角度
终点角度
  | 构造函数：声明一个确定
圆心半径的起点终点的圆弧，
并且设置法向向量，可以控制圆弧的顺逆时针 | ```c# Arc arc = new Arc(); ``` ```C# Point3d center = Point3d.Origin; double radius = 5; double startAngle = 0; double endAngle = Math.PI / 3; Arc arc = new Arc(center, radius, startAngle, endAngle); ``` ```c# Point3d center = Point3d.Origin; Vector3d normal = -Vector3d.ZAxis; double radius = 5; double startAngle = 0; double endAngle = Math.PI / 3; Arc arc = new Arc(center, normal, radius, startAngle, endAngle); ``` ------ ## 椭圆 Ellipse https://www.bilibili.com/video/BV1HL41117dS/ ![椭圆](png/Ellipse.png) | 属性 | 中文 | 数据类型 | 作用 | | :---------- | -------- | -------- | -------------------------- | | MinorRadius | 短轴半径 | double | 椭圆短轴的半径 | | MajorRadius | 长轴半径 | double | 椭圆长轴的半径 | | IsNull | 是否为空 | bool | 判断椭圆是否为空 | | EndParam | 终点参数 | double | 椭圆终点的参数 | | StartParam | 起点参数 | double | 椭圆起点的参数 | | EndAngle | 终点角度 | double | 椭圆终点的弧度 | | StartAngle | 起点角度 | double | 椭圆起点的弧度 | | RadiusRatio | 半径比例 | double | 短轴半径/长轴半径 | | MinorAxis | 短轴向量 | Vector3d | 椭圆短轴的向量 | | MajorAxis | 长轴向量 | Vector3d | 椭圆长轴的方向 | | Normal | 法向向量 | Vector3d | 椭圆所在平面的单位法向向量 | | Center | 圆心 | Point3d | 椭圆的圆心 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------------------------------- | | [Ellipse( )](#Ellipse1) | 无参数 | 构造函数：声明一个空的椭圆 | | [Ellipse](#Ellipse2)
(
   Point3d center,
   Vector3d unitNormal,
   Vector3d majorAxis,
  double radiusRatio,
  double startAngle,
  double endAngle
) |  
 
圆心
法向向量
长轴向量
半径比例
起始弧度
终止弧度
  | 构造函数：声明一个确定参数的椭圆 | | void [Set](#Ellipse3)
(
   Point3d center,
   Vector3d unitNormal,
   Vector3d majorAxis,
  double radiusRatio,
  double startAngle,
  double endAngle
) |  
 
圆心
法向向量
长轴向量
半径比例
起始弧度
终止弧度
  | 给一个椭圆设置参数 | | double [GetParameterAtAngle](#Ellipse4)
(
  double angle
) |  
 
角度
| 获取指定角度处的参数 | | double [GetAngleAtParameter](#Ellipse5)
(
  double value
) |  
 
参数
| 获取指定参数处的角度 | ```c# Ellipse ellipse = new Ellipse(); ``` ```c# Point3d center = new Point3d(0, 0, 0); Vector3d unitNormal= Vector3d.ZAxis; Vector3d majorAxis = new Vector3d(10, 0, 0); double radiusRatio = 0.5; double startAngle = 0; double endAngle = Math.PI * 2; Ellipse ellipse = new Ellipse(center, unitNormal, majorAxis, radiusRatio, startAngle, endAngle); ``` ```c# Ellipse ellipse = new Ellipse(); Point3d center = new Point3d(0, 0, 0); Vector3d unitNormal = Vector3d.ZAxis; Vector3d majorAxis = new Vector3d(10, 0, 0); double radiusRatio = 0.5; double startAngle = Math.PI / 3; double endAngle = Math.PI / 3 * 2; ellipse.Set(center, unitNormal, majorAxis, radiusRatio, startAngle, endAngle); ``` ```C# double value = ellipse.GetParameterAtAngle(Math.PI / 3); ``` ```C# double angle = ellipse.GetAngleAtParameter(2); ``` ------ ## 多段线 Polyline https://www.bilibili.com/video/BV11g4y1E7iH/ | 属性 | 中文 | 数据类型 | 作用 | | :--------------- | ------------ | -------- | ------------------------------------------------ | | Length | 长度 | double | 多段线的长度 | | HasWidth | 是否有宽度 | bool | 多段线是否有宽度 | | HasBulges | 是否有凸度 | bool | 多段线是否有圆弧 | | NumberOfVertices | 节点数 | int | 多段线的节点数量 | | IsOnlyLines | 是否只有直线 | bool | 多段线是否全部由直线组成 | | Normal | 法向向量 | Vector3d | 多段线所在平面的单位法向向量 | | ConstantWidth | 全局宽度 | double | 多段线的全局宽度，宽度一致 | | Thickness | 厚度 | double | 多段线的厚度 | | Elevation | 高程 | double | 多段线的高程，即Z坐标 | | Plinegen | 普林根 | bool | 关闭时节点会打断线型
打开时节点不会打断线型 | | Closed | 是否闭合 | bool | 多段线是否闭合 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ | | [Polyline( )](#Polyline1) | 无参数 | 构造函数：声明一个空的多段线 | | [Polyline](#Polyline2)
(
  int vertices
) |  
 
节点数
| 构造函数：声明一个确定节点
数的多段线 | | void [ConvertFrom](#Polyline3)
(
  Entity entity,
  bool transferId
) |  
 
转化源
是否传递ID
  | 从别的Entity转成Polyline
（目前只发现可以从
Polyline2d转） | | Polyline2d [ConvertTo](#Polyline4)
(
  bool transferId
) |  
 
是否传递ID
  | 把Polyline转成Polyline2d
参数涉及IdMapping
（目前我还不懂嘿嘿嘿） | | Point3d [GetPoint3dAt](#Polyline5)
(
  int value
) |  
 
节点索引
  | 获取指定节点索引处的点
注意索引不要超出 | | SegmentType [GetSegmentType](#Polyline6)
(
  int index
) |  
 
段落索引
  | 获取指定索引处的段落
的类型(线、圆弧等等) | | LineSegment2d [GetLineSegment2dAt](#Polyline7)
(
  int index
) |  
 
段落索引
  | 获取指定索引处的段落
的二维线段 | | CircularArc2d [GetArcSegment2dAt](#Polyline8)
(
  int index
) |  
 
段落索引
  | 获取指定索引处的段落
的二维圆弧 | | LineSegment3d [GetLineSegmentAt](#Polyline9)
(
  int index
) |  
 
段落索引
  | 获取指定索引处的段落
的三维线段 | | CircularArc3d [GetArcSegmentAt](#Polyline10)
(
  int index
) |  
 
段落索引
  | 获取指定索引处的段落
的三维圆弧 | | bool [OnSegmentAt](#Polyline11)
(
  int index,
  Point2d pt2d,
  double value
) |  
 
段落索引
二维点
不知道
  | 判断一个点是否在指定
索引的段落上
第三个参数不知道啥意思 | | void [AddVertexAt](#Polyline12)
(
  int index,
  Point2d pt,
  double bulge,
  double startWidth,
  double endWidth
) |  
 
节点索引
二维点
凸度
起始宽度
终止宽度
  | 在指定索引的节点添加一个点 | | void [RemoveVertexAt](#Polyline13)
(
  int index
) |  
 
节点索引
  | 删除指定索引的节点 | | Point2d [GetPoint2dAt](#Polyline14)
(
  int index
) |  
 
节点索引
  | 获取指定索引处节点的
二维点 | | void [SetPointAt](#Polyline15)
(
  int index,
  Point2d pt
) |  
 
节点索引
二维点
  | 修改指定索引处节点的
二维点 | | double [GetBulgeAt](#Polyline16)
(
  int index
) |  
 
节点索引
  | 获取指定索引处节点的
凸度 | | void [SetBulgeAt](#Polyline17)
(
  int index,
  double bulge
) |  
 
节点索引
凸度
  | 设置指定索引处节点的
凸度 | | double [GetStartWidthAt](#Polyline18)
(
  int index
) |  
 
节点索引
  | 获取指定索引处节点的
起始宽度 | | double [GetEndWidthAt](#Polyline19)
(
  int index
) |  
 
节点索引
  | 获取指定索引处节点的
终止宽度 | | void [SetStartWidthAt](#Polyline20)
(
  int index,
  double startWidth
) |  
 
节点索引
起始宽度
  | 设置指定索引处节点的
起始宽度 | | void [SetEndWidthAt](#Polyline21)
(
  int index,
  double endWidth
) |  
 
节点索引
终止宽度
  | 设置指定索引处节点的
终止宽度 | | void [MinimizeMemory](#Polyline22)() | 无参数 | 最小化内存 | | void [MaximizeMemory](#Polyline23)() | 无参数 | 最大化内存 | | void [Reset](#Polyline24)
(
  bool reuse,
  int vertices
) | 不知道 | 清空多段线 | ```c# Polyline polyline = new Polyline(); ``` ```c# int vertices = 5; Polyline polyline = new Polyline(vertices); ``` ```c# Polyline polyline = new Polyline(); polyline.ConvertFrom(polyline2D, false); ``` ```c# Polyline2d polyline2D = polyline.ConvertTo(false); ``` ```c# List points = new List(); for (int i = 0; i < polyline.NumberOfVertices; i++) { Point3d point3D = polyline.GetPoint3dAt(i); points.Add(point3D); } ``` ```c# int index = 1; SegmentType segmentType = polyline.GetSegmentType(index); ``` ```c# int index = 1; LineSegment2d lineSegment2D = polyline.GetLineSegment2dAt(index); ``` ```c# int index = 1; CircularArc2d circularArc2D = polyline.GetArcSegment2dAt(index); ``` ```c# int index = 1; LineSegment3d lineSegment3D=polyline.GetLineSegmentAt(index); ``` ```c# int index = 1; CircularArc3d circularArc3D=polyline.GetArcSegmentAt(index); ``` ```c# Point3d pt3d = polyline.GetPointAtDist(1200); Point2d pt2d = new Point2d(pt3d.X, pt3d.Y); double vaule = 60; bool b = polyline.OnSegmentAt(index, pt2d, vaule); ``` ```c# Polyline polyline = new Polyline(); polyline.AddVertexAt(0, new Point2d(0, 0), 0, 0, 0); polyline.AddVertexAt(1, new Point2d(10, 0), 0, 0, 0); polyline.AddVertexAt(1, new Point2d(5, 5), 0, 2, 1); ``` ```c# polyline.RemoveVertexAt(1); ``` ```c# Point2d point2D = polyline.GetPoint2dAt(1); ``` ```c# Point2d point2D = new Point2d(5, 5); polyline.SetPointAt(1, point2D); ``` ```c# double bulge = polyline.GetBulgeAt(0); ``` ```c# polyline.SetBulgeAt(0, 2); ``` ```c# double startWidth=polyline.GetStartWidthAt(0); ``` ```c# double endWidth = polyline.GetEndWidthAt(0); ``` ```c# polyline.SetStartWidthAt(0, 2); ``` ```c# polyline.SetEndWidthAt(0, 2); ``` ```c# polyline.MinimizeMemory(); ``` ```c# polyline.MaximizeMemory(); ``` ```c# polyline.Reset(true, 1); ``` ------ ## 多线 Mline https://www.bilibili.com/video/BV1xs4y1V7SM/ | 属性 | 中文 | 数据类型 | 作用 | | :--------------- | ------------ | ------------------ | -------------------------------- | | NumberOfVertices | 节点数 | int | 多线的节点数 | | SupressEndCaps | 抑制终点封口 | bool | 是否抑制终点的封口 | | SupressStartCaps | 抑制起点封口 | bool | 是否抑制起点的封口 | | IsClosed | 是否封闭 | bool | 多线是否封闭 | | Normal | 法向向量 | Vector3d | 多线所在平面的
单位法向向量 | | Scale | 比例 | double | 比例，两根线的间距 | | Justification | 对正 | MlineJustification | 对正模式 | | Style | 样式 | ObjectId | 多线的样式 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ | | [Mline](#Mline1)( ) | 无参数 | 构造函数：声明一个空的多线 | | void [AppendSegment](#Mline2)
(
  Point3d newVertex
) |  
 
新的点
  | 在多线末尾增加一个点 | | void [RemoveLastSegment](#Mline3)
(
  Point3d lastVertex
) |  
 
最后的点
  | 移除最后一个点，参数无所谓 | | void [MoveVertexAt](#Mline4)
(
  int index,
  Point3d newPosition
) |  
 
节点索引
新的点
  | 移动指定索引处的节点 | | int [Element](#Mline5)
(
  Point3d pt
) | | **未知方法，知道的联系我** | | Point3d [VertexAt](#Mline6)
(
  int index
) |  
 
节点索引
  | 获得指定索引处的节点 | | Point3d [GetClosestPointTo](#Mline7)
(
  Point3d givenPoint,
  Vector3d normal,
  bool extend,
  bool excludeCaps
) |  
 
三维点
向量
是否延长
排除封口
  | 点到多线的最近点，
相当于取点在向量上的射线
与多线求最近点
如果延长，则可以取延长线
上的最近点
排除封口的话会忽略封口，
求到两根线的最近点 | | Point3d [GetClosestPointTo](#Mline8)
(
  Point3d givenPoint,
  bool extend,
  bool excludeCaps
) |  
 
三维点
是否延长
排除封口
  | 点到多线的最近点，
如果延长，则可以取延长线
上的最近点
排除封口的话会忽略封口，
求到两根线的最近点 | ```c# Database database = HostApplicationServices.WorkingDatabase; string name = "STANDARD"; ObjectId objectId = ObjectId.Null; using (Transaction trans = database.TransactionManager.StartTransaction()) { DBDictionary ss = (DBDictionary)database.MLStyleDictionaryId.GetObject(OpenMode.ForRead); foreach (var item in ss) { if (item.Key.ToUpper() == name) { objectId = item.Value; } } } Mline mline = new Mline(); mline.Style = objectId; mline.Normal = Vector3d.ZAxis; ``` ```c# Point3d point3D1 = new Point3d(0, 0, 0); Point3d point3D2 = new Point3d(10, 10, 0); mline.AppendSegment(point3D1); mline.AppendSegment(point3D2); ``` ```c# Point3d lastVertex = new Point3d(); mline.RemoveLastSegment(lastVertex); ``` ```c# Point3d newPosition = new Point3d(10, 20, 0); mline.MoveVertexAt(1, newPosition); ``` ```c# 未知。希望你的补充 ``` ```c# Point3d point3D = mline.VertexAt(1); ``` ```c# Point3d pt = new Point3d(0, 5, 0); Vector3d vector3D = new Vector3d(-1, -1, 0); var po = mline.GetClosestPointTo(pt, vector3D, false, false); ``` ```c# Point3d pt = new Point3d(0, 5, 0); var po = mline.GetClosestPointTo(pt, false, false); ``` ------ ## 三维多段线 Polyline3d https://www.bilibili.com/video/BV1YM411s7Y5/ ![](png/Polyline3d.png) | 属性 | 中文 | 数据类型 | 作用 | | :------- | ---- | ---------- | -------------- | | Length | 长度 | double | 多段线的长度 | | PolyType | 类型 | Poly3dType | 多段线的类型 | | Closed | 闭合 | bool | 多段线是否闭合 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | ---------------------------------------------------------- | | [Polyline3d](#Polyline3d1)( ) | 无参数 | 构造函数：声明一条空的
三维多段线 | | [Polyline3d](#Polyline3d2)
(
  Poly3dType type,
  Point3dCollection vertices,
  bool closed
) |  
 
多段线类型
点集
是否闭合
  | 构造函数：声明一条给定类型
确定点集和闭合的三维多段线 | | void [ConvertToPolyType](#Polyline3d3)
(
  Poly3dType newVal
) |  
 
多段线类型
  | 转化多段线类型 | | void [Straighten](#Polyline3d4)( ) | 无参数 | 去除多段线类型 | | void [SplineFit](#Polyline3d5)
(
  Poly3dType value,
  int segments
) |  
 
多段线类型
段数
  | 修改多段线类型，设置段数，
段数越多，越平滑 | | void [SplineFit](#Polyline3d6)( ) | 无参数 | 多段线类型为设置为三次 | | ObjectId [AppendVertex](#Polyline3d7)
(
  PolylineVertex3d vertexToAppend
) |  
 
多段线节点
  | 给多段线增加一个点 | | ObjectId [InsertVertexAt](#Polyline3d8)
(
  ObjectId indexVertexId,
  PolylineVertex3d newVertex
) |  
 
插入点的id
新多段线点
  | 在指定点插入新的点
（需有插入点的id） | | void [InsertVertexAt](#Polyline3d9)
(
  PolylineVertex3d indexVertex,
  PolylineVertex3d newVertex
) |  
 
插入处的点
新多段线点
  | 在指定点插入新的点 | | IEnumerator [GetEnumerator](#Polyline3d10)( ) | 无参数 | 枚举器(不知道咋用，
只知道可以foreach遍历每个点) | ```c# Polyline3d polyline3D = new Polyline3d(); ``` ```c# Poly3dType poly3DType = Poly3dType.SimplePoly; Point3dCollection point3DCollection = new Point3dCollection(); point3DCollection.Add(new Point3d(0, 0, 0)); point3DCollection.Add(new Point3d(10, 0, 0)); point3DCollection.Add(new Point3d(10, 10, 0)); bool isClosed = true; Polyline3d polyline3D = new Polyline3d(poly3DType, point3DCollection, isClosed); ``` ```c# Poly3dType poly3DType = Poly3dType.CubicSplinePoly; polyline3D.ConvertToPolyType(poly3DType); ``` ```c# polyline3D.Straighten(); ``` ```c# polyline3D.SplineFit(Poly3dType.QuadSplinePoly, 3); ``` ```c# polyline3D.SplineFit(); ``` ```c# PolylineVertex3d polylineVertex3D = new PolylineVertex3d(new Point3d(10, 10, 0)); Database db = HostApplicationServices.WorkingDatabase; using (Transaction trans=db.TransactionManager.StartTransaction()) { polyline3D = polyline3D.ObjectId.GetObject(OpenMode.ForWrite) as Polyline3d; polyline3D.AppendVertex(polylineVertex3D); trans.Commit(); } ``` ```c# Database db = HostApplicationServices.WorkingDatabase; using (Transaction trans= db.TransactionManager.StartTransaction()) { polyline3D = polyline3D.ObjectId.GetObject(OpenMode.ForWrite) as Polyline3d; int n = 0; foreach (ObjectId item in polyline3D) { if (n == 1) { PolylineVertex3d polylineVertex3D = new PolylineVertex3d(new Point3d(20, 10, 0)); polyline3D.InsertVertexAt(item, polylineVertex3D); break; } n++; } trans.Commit(); } ``` ```c# int n = 0; foreach (PolylineVertex3d item in polyline3D) { if (n == 1) { PolylineVertex3d polylineVertex3D = new PolylineVertex3d(new Point3d(20, 10, 0)); polyline3D.InsertVertexAt(item, polylineVertex3D); break; } n++; } ``` ```c# foreach (PolylineVertex3d item in polyline3D) { } ``` ------ ## 二维多段线 Polyline2d https://www.bilibili.com/video/BV1FL411Q7kx/ | 属性 | 中文 | 数据类型 | 作用 | | :------------------- | -------- | ---------- | ------------------------------------------------------------ | | Length | 长度 | double | 多段线的长度 | | ConstantWidth | 全局宽度 | double | 多段线的全局宽度 | | LinetypeGenerationOn | 线型生成 | bool | 关闭时节点会打断线型
打开时节点不会打断线型 | | Elevation | 高程 | double | 多段线的标高（z轴） | | Normal | 法向向量 | Vector3d | 单位法向向量 | | Thickness | 厚度 | double | 多段线的厚度 | | DefaultEndWidth | 终止宽度 | double | 多段线默认终止宽度 | | DefaultStartWidth | 起始宽度 | double | 多段线默认起始宽度 | | Closed | 闭合 | bool | 多段线是否闭合 | | PolyType | 拟合方式 | Poly2dType | SimplePoly 无
FitCurvePoly 曲线拟合
QuadSplinePoly 二次
CubicSplinePoly三次 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------------------------------------------------- | | [Polyline2d](#Polyline2d1)( ) | 无参数 | 构造函数：声明一条空的二维多段线 | | [Polyline2d](#Polyline2d2)
(
  Poly2dType type,
  Point3dCollection vertices,
  double elevation,
  bool closed,
  double startWidth,
  double endWidth,
  DoubleCollection bulges
) |  
 
拟合方式
顶点集
标高
是否闭合
起始宽度
终止宽度
凸度集合
  | 构造函数：声明一条明确属性的
二维多段线 | | void [ConvertToPolyType](#Polyline2d3)
(
  Poly2dType newVal
) |  
 
拟合方式
  | 转换拟合方式 | | void [Straighten](#Polyline2d4)( ) | 无参数 | 拟合方式改成SimplePoly | | void [SplineFit](#Polyline2d5)
(
  Poly2dType value,
  int segments
) |  
 
拟合方式
段数
  | 修改拟合方式和段数 | | void [SplineFit](#Polyline2d6)( ) | 无参数 | 拟合方式改成CubicSplinePoly | | void [CurveFit](#Polyline2d7)( ) | 无参数 | 拟合方式改成FitCurvePoly | | void [NonDBAppendVertex](#Polyline2d8)
(
  Vertex2d vertexToAppend
) |  
 
节点
  | 添加一个节点 | | ObjectId [AppendVertex](#Polyline2d9)
(
  Vertex2d vertexToAppend
) |  
 
节点
  | 添加一个节点
（多段线需已经添加） | | ObjectId [InsertVertexAt](#Polyline2d10)
(
  ObjectId vertexId,
  Vertex2d newVertex
) |  
 
插入节点
新节点
  | 在指定节点后新加一个节点
（多段线需已经添加） | | void [InsertVertexAt](#Polyline2d11)
(
  Vertex2d indexVertex,
  Vertex2d newVertex
) |  
 
插入节点
新节点
  | 在指定节点后新加一个节点 | | IEnumerator [GetEnumerator](#Polyline2d12)( ) | 无参数 | 迭代器 | | Point3d [VertexPosition](#Polyline2d13)
(
  Vertex2d vertex
) |  
 
节点
  | 获得指定节点的Point3d | ```c# Polyline2d polyline2D = new Polyline2d(); ``` ```c# Point3dCollection pos = new Point3dCollection { new Point3d(0, 0, 0), new Point3d(10, 0, 0), new Point3d(10, 10, 0), new Point3d(20, 10, 0) }; DoubleCollection doubles = new DoubleCollection { 0, 0, 0, 0 }; Polyline2d polyline2D = new Polyline2d(Poly2dType.SimplePoly, pos, 0, false, 0, 0, doubles); ``` ```c# polyline2D.ConvertToPolyType(Poly2dType.FitCurvePoly); ``` ```c# polyline2D.Straighten(); ``` ```c# polyline2D.SplineFit(Poly2dType.CubicSplinePoly, 100); ``` ```c# polyline2D.SplineFit(); ``` ```c# polyline2D.CurveFit(); ``` ```c# Vertex2d vertex2D = new Vertex2d(new Point3d(20, 20, 0), 0, 0, 0, 0); polyline2D.NonDBAppendVertex(vertex2D); ``` ```c# Vertex2d vertex2D = new Vertex2d(new Point3d(20, 20, 0), 0, 0, 0, 0); Database db = HostApplicationServices.WorkingDatabase; using (Transaction trans = db.TransactionManager.StartTransaction()) { polyline2D.ObjectId.GetObject(OpenMode.ForWrite); polyline2D.AppendVertex(vertex2D); trans.Commit(); } ``` ```c# Database db = HostApplicationServices.WorkingDatabase; using (Transaction trans = db.TransactionManager.StartTransaction()) { polyline2D.ObjectId.GetObject(OpenMode.ForWrite); int n = 0; foreach (ObjectId item in polyline2D) { if (n == 1) { Vertex2d vertex2D = new Vertex2d(new Point3d(15, 5, 0), 0, 0, 0, 0); polyline2D.InsertVertexAt(item, vertex2D); break; } n++; } trans.Commit(); } ``` ```c# int n = 0; foreach (Vertex2d item in polyline2D) { if (n == 1) { Vertex2d vertex2D = new Vertex2d(new Point3d(15, 8, 0), 0, 0, 0, 0); polyline2D.InsertVertexAt(item, vertex2D); break; } n++; } ``` ```c# //IEnumerator enumerator = polyline2D.GetEnumerator(); //var obj = enumerator.Current; //enumerator.MoveNext(); foreach (var item in polyline2D) { } ``` ```c# foreach (Vertex2d item in polyline2D) { Point3d point3D = polyline2D.VertexPosition(item); } ``` ------ ## 单行文字DBText https://www.bilibili.com/video/BV1bg4y1s7eH/ | 属性 | 中文 | 数据类型 | 作用 | | ------------------ | ------------------------ | ------------------ | ------------------------------------------ | | Justify | [对齐点](#DBText1) | AttachmentPoint | 对齐方式 | | VerticalMode | [垂直对齐方式](#DBText2) | TextVerticalMode | 垂直对齐方式 | | HorizontalMode | [水平对齐方式](#DBText3) | TextHorizontalMode | 水平对齐方式 | | IsMirroredInY | [Y轴镜像](#DBText4) | bool | 是否延Y轴镜像 | | IsMirroredInX | [X轴镜像](#DBText5) | bool | 是否延X轴镜像 | | TextStyleId | 文字样式Id | ObjectId | 文字样式的ObjectId | | TextStyleName | 文字样式名称 | string | 文字样式的名称 | | TextString | 文字内容 | string | 单行文字的内容 | | WidthFactor | 宽度系数 | double | 宽度系数，1为默认 | | Height | 字高 | double | 字体的高度 | | Rotation | [旋转弧度](#DBText6) | double | 旋转的弧度(逆时针) | | Oblique | [倾斜弧度](#DBText7) | double | 倾斜的弧度(左负右正) | | Thickness | 厚度 | double | 厚度 | | Normal | 平面法向向量 | Vector3d | 所在平面法向向量 | | IsDefaultAlignment | 是否默认对齐 | bool | 否代表有对齐点 | | AlignmentPoint | 文本对齐点 | Point3d | 设置某些对齐方式后
的对齐点，代替基点 | | Position | 基点位置 | Point3d | 原始的基点 | ![ ](png/DBText1.png) ![ ](png/DBText2.png) ![ ](png/DBText3.png) ![ ](png/DBText4.png) ![ ](png/DBText5.png) ![ ](png/DBText6.png) ![ ](png/DBText7.png) | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ---------------------------------------------- | ---------------------- | | [DBText( )](#DBText8) | 无参数 | 构造函数 | | int [CorrectSpelling( )](#DBText9) | 无参数 | 拼写错误？(不知道咋用) | | void [AdjustAlignment](#DBText10)
(
  Database alternateDatabaseToUse
) |  
 
试试
  | 不懂 | | void [ConvertFieldToText( )](#DBText11) | 无参数 | 不懂 | | string [getTextWithFieldCodes( )](#DBText12) | 无参数 | 不懂 | ```c# DBText dBText = new DBText(); ``` ```c# ``` ```c# ``` ```c# ``` ```c# ``` ------ ## 转角标注RotatedDimension https://www.bilibili.com/video/BV1is4y1J7n4/ ![](png/RotatedDimension.png) | 属性 | 中文 | 数据类型 | 作用 | | ------------ | ------------ | -------- | -------------------- | | Rotation | 文字倾斜 | double | 文字所在的线的切斜角 | | Oblique | 标注转角 | double | 两个标注线的倾斜角 | | DimLinePoint | 标注线定位点 | Point3d | 标注线经过的点 | | XLine2Point | 标注终点 | Point3d | 标注终点所在的点 | | XLine1Point | 标注起点 | Point3d | 标注起点所在的点 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- | | RotatedDimension( ) | 无参数 | 构造函数 | | RotatedDimension
(
  double rotation,
  Point3d line1Point,
  Point3d line2Point,
  Point3d dimensionLinePoint,
  string dimensionText,
  ObjectId dimensionStyle
) |  
 
倾斜角
标注起点
标注终点
标注线定位点
标注文字替换
标注样式
  | 构造函数 | ```c# RotatedDimension rotatedDimension = new RotatedDimension(); ``` ``` double rotation = Math.PI / 6; Point3d line1Point = new Point3d(0, 0, 0); Point3d line2Point = new Point3d(100, 0, 0); Point3d dimensionLinePoint = new Point3d(50, 30, 0); string dimensionText = "150"; Document doc = Application.DocumentManager.MdiActiveDocument; ObjectId dimensionStyle = doc.Database.DimStyleTableId; RotatedDimension rotatedDimension = new RotatedDimension(rotation, line1Point, line2Point, dimensionLinePoint,dimensionText, dimensionStyle); ``` ------ ## 对齐标注AlignedDimension https://www.bilibili.com/video/BV1kM4y1U7jR/ ![](png/AlignedDimension.png) | 属性 | 中文 | 数据类型 | 作用 | | ------------ | ------------ | -------- | ------------------ | | Oblique | 标注转角 | double | 两个标注线的倾斜角 | | DimLinePoint | 标注线定位点 | Point3d | 标注线经过的点 | | XLine2Point | 标注点2 | Point3d | 标注终点所在的点 | | XLine1Point | 标注点1 | Point3d | 标注起点所在的点 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- | | AlignedDimension( ) | 无参数 | 构造函数 | | AlignedDimension
(
  Point3d line1Point,
  Point3d line2Point,
  Point3d dimensionLinePoint,
  string dimensionText,
  ObjectId dimensionStyle
) |  
 
标注起点
标注终点
标注线定位点
标注文字替换
标注样式
  | 构造函数 | ```c# AlignedDimension alignedDimension = new AlignedDimension(); ``` ```c# Point3d line1Point = new Point3d(0, 0, 0); Point3d line2Point = new Point3d(100, 0, 0); Point3d dimensionLinePoint = new Point3d(50, 30, 0); string dimensionText = ""; Document doc = Application.DocumentManager.MdiActiveDocument; ObjectId dimensionStyle = doc.Database.DimStyleTableId; AlignedDimension alignedDimension = new AlignedDimension(line1Point, line2Point, dimensionLinePoint, dimensionText, dimensionStyle); ``` ------ ## 角度标注LineAngularDimension2 https://www.bilibili.com/video/BV1DL411X7uy/ ![](png/LineAngularDimension2.png) | 属性 | 中文 | 数据类型 | 作用 | | ----------- | ------------ | -------- | ------------ | | XLine2End | 标注线2终点 | Point3d | 标注线2终点 | | XLine2Start | 标注线2起点 | Point3d | 标注线2起点 | | XLine1End | 标注线1终点 | Point3d | 标注线1终点 | | XLine1Start | 标注线1起点 | Point3d | 标注线1起点 | | ArcPoint | 标注线定位点 | Point3d | 标注线定位点 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- | | LineAngularDimension2( ) | 无参数 | 构造函数 | | LineAngularDimension2
(
  Point3d line1Start,
  Point3d line1End,
  Point3d line2Start,
  Point3d line2End,
  Point3d arcPoint,
  string dimensionText,
  ObjectId dimensionStyle
) |  
 
标注线1起点
标注线1终点
标注线2起点
标注线2终点
标注线定位点
文字替换
标注样式
  | 构造函数 | ```c# LineAngularDimension2 lineAngularDimension2 = new LineAngularDimension2(); ``` ```c# Point3d line1Start = new Point3d(0, 0, 0); Point3d line1End = new Point3d(0, 50, 0); Point3d line2Start = new Point3d(10, 0, 0); Point3d line2End = new Point3d(50, 50, 0); Point3d arcPoint = new Point3d(30, 80, 0); string dimensionText = ""; Document doc = Application.DocumentManager.MdiActiveDocument; ObjectId dimensionStyle = doc.Database.DimStyleTableId; LineAngularDimension2 lineAngularDimension2 = new LineAngularDimension2(line1Start,line1End,line2Start,line2End, arcPoint, dimensionText, dimensionStyle); ``` ------ ## 半径标注RadialDimension https://www.bilibili.com/video/BV1Dg4y137Nu/ ![](png/RadialDimension1.png) ![](png/RadialDimension2.png) | 属性 | 中文 | 数据类型 | 作用 | | ------------ | ------------ | -------- | ------------ | | ChordPoint | 标注线定位点 | Point3d | 标注线定位点 | | Center | 圆心 | Point3d | 圆心 | | LeaderLength | 引线长度 | double | 引线长度 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- | | RadialDimension( ) | 无参数 | 构造函数 | | RadialDimension
(
  Point3d center,
  Point3d chordPoint,
  double leaderLength,
  string dimensionText,
  ObjectId dimensionStyle
) |  
 
原点
标注线定位点
引线长度
文字替换
标注样式
  | 构造函数 | ```c# RadialDimension radialDimension = new RadialDimension(); ``` ```c# Point3d center = new Point3d(0, 0, 0); Point3d chordPoint = new Point3d(50, 50, 0); double leaderLength = 100; string dimensionText = ""; Document doc = Application.DocumentManager.MdiActiveDocument; ObjectId dimensionStyle = doc.Database.DimStyleTableId; RadialDimension radialDimension = new RadialDimension(center, chordPoint, leaderLength, dimensionText, dimensionStyle); AddEntity(radialDimension); ``` ------ ## 直径标注DiametricDimension https://www.bilibili.com/video/BV14s4y1D7Ar/ ![](png/DiametricDimension1.png) ![](png/DiametricDimension2.png) | 属性 | 中文 | 数据类型 | 作用 | | ------------- | -------- | -------- | -------- | | FarChordPoint | 远弦点 | Point3d | 远弦点 | | ChordPoint | 近弦点 | Point3d | 近弦点 | | LeaderLength | 引线长度 | double | 引线长度 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- | | DiametricDimension( ) | 无参数 | 构造函数 | | DiametricDimension
(
  Point3d chordPoint,
  Point3d farChordPoint,
  double leaderLength,
  string dimensionText,
  ObjectId dimensionStyle
) |  
 
近弦点
远弦点
引线长度
文字替换
标注样式
  | 构造函数 | ```c# DiametricDimension diametricDimension = new DiametricDimension(); ``` ``` Point3d chordPoint = new Point3d(50, 0, 0); Point3d farChordPoint = new Point3d(-50, 0, 0); double leaderLength = 20; string dimensionText = ""; Document doc = Application.DocumentManager.MdiActiveDocument; ObjectId dimensionStyle = doc.Database.DimStyleTableId; DiametricDimension diametricDimension = new DiametricDimension(chordPoint, farChordPoint,leaderLength, dimensionText,dimensionStyle); AddEntity(diametricDimension); ``` ------ ## 弧长标注ArcDimension https://www.bilibili.com/video/BV1v24y1j7o6/ | 属性 | 数据类型 | 说明 | | ------------- | -------- | ------------------------------------------------------------ | | HasLeader | bool | 是否有说明引线 | | IsPartial | bool | 是否是局部的 | | ArcSymbolType | int | 圆弧样式（默认0）
0=弧长符号在文字前
1=弧长符号在文字上
2=不显示弧长符号
但是我怎么改他都不变
不知道为啥 | | XLine2Point | Point3d | 标注终点 | | XLine1Point | Point3d | 标注起点 | | Leader2Point | Point3d | 额外点2 | | Leader1Point | Point3d | 额外点1 | | CenterPoint | Point3d | 圆心 | | ArcPoint | Point3d | 标注定位点 | | ArcEndParam | double | 圆弧终点参数 | | ArcStartParam | double | 圆弧起点参数 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- | | ArcDimension
(
  Point3d centerPoint,
  Point3d xLine1Point,
  Point3d xLine2Point,
  Point3d arcPoint,
  string dimensionText,
  ObjectId dimensionStyle
) |  
 
圆心
标注起点
标注终点
标注线定位点
文字替代
标注样式
  | 构造函数 | ```c# Point3d centerPoint = new Point3d(0, 0, 0); Point3d xLine1Point = new Point3d(0, 50, 0); Point3d xLine2Point = new Point3d(50, 0, 0); Point3d arcPoint = new Point3d(70, 70, 0); string dimensionText = ""; Document doc = Application.DocumentManager.MdiActiveDocument; ObjectId dimensionStyle = doc.Database.DimStyleTableId; ArcDimension arcDimension = new ArcDimension(centerPoint, xLine1Point, xLine2Point, arcPoint, dimensionText, dimensionStyle); AddEntity(arcDimension); ``` ------ ## 折弯标注RadialDimensionLarge https://www.bilibili.com/video/BV1f84y1M7fj/ | 属性 | 数据类型 | 说明 | | -------------- | -------- | ---------------------------------------- | | OverrideCenter | Point3d | 中心位置代替点 | | JogPoint | Point3d | 折弯坐标 | | ChordPoint | Point3d | 标记定位点 | | Center | Point3d | 圆心 | | JogAngle | double | 折弯角度（设置了无效
不知道为啥子） | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- | | RadialDimensionLarge( ) | 无参数 | 构造函数 | | RadialDimensionLarge
(
  Point3d center,
  Point3d chordPoint,
  Point3d overrideCenter,
  Point3d jogPoint,
  double jogAngle,
  string dimensionText,
  ObjectId dimensionStyle
) |  
 
圆心
标注定位点
中心位置代替点
折弯坐标
标注样式
文字替代
标注样式
  | 构造函数 | ------ ## 坐标标注OrdinateDimension ![](png/OrdinateDimension.png) | 属性 | 数据类型 | 说明 | | -------------- | -------- | ------------- | | LeaderEndPoint | Point3d | 引线终点 | | DefiningPoint | Point3d | 标注点 | | Origin | Point3d | 原点 | | UsingXAxis | bool | 以X坐标为计量 | | UsingYAxis | bool | 以Y坐标为计量 | | 方法 | 参数 | 说明 | | ------------------------------------------------------------ | ------------------------------------------------------------ | -------- | | OrdinateDimension( ) | 无参数 | 构造函数 | | OrdinateDimension
(
  bool useXAxis,
  Point3d definingPoint,
  Point3d leaderEndPoint,
  string dimText,
  ObjectId dimStyle
) |  
 
以X坐标为计量
标注点
引线终点
文字替换
标注样式
  | 构造函数 | ```c# OrdinateDimension ordinateDimension = new OrdinateDimension(); ``` ``` bool useXAxis = true; Point3d definingPoint = new Point3d(50, 20, 0); Point3d leaderEndPoint = new Point3d(70, 50, 0); string dimensionText = ""; Document doc = Application.DocumentManager.MdiActiveDocument; ObjectId dimensionStyle = doc.Database.DimStyleTableId; OrdinateDimension ordinateDimension = new OrdinateDimension(useXAxis, definingPoint, leaderEndPoint, dimensionText,dimensionStyle); ```