【已解决】用户坐标系出现偏差如何解决？

白糖

2. using System;
   
3. using System.Collections.Generic;
   
4. using System.ComponentModel;
   
5. using System.Drawing;
   
6. using System.IO;
   
7. using System.Windows.Forms;
   
8. 
   
9. using Autodesk.AutoCAD.ApplicationServices;
   
10. using Autodesk.AutoCAD.DatabaseServices;
    
11. using Autodesk.AutoCAD.EditorInput;
    
12. using Autodesk.AutoCAD.Geometry;
    
13. using Autodesk.AutoCAD.Runtime;
    
14. 
    
15. namespace UCS
    
16. {
    
17.   /// <summary>
    
18.   /// Description of UserControl1.
    
19.   /// </summary>
    
20.   public partial class UserControl1 : UserControl
    
21.   {
    
22.     public static int i = 1;
    
23.     public static List<Point3d> pts = new List<Point3d>();
    
24. 
    
25.     public UserControl1()
    
26.     {
    
27.       //
    
28.       // The InitializeComponent() call is required for Windows Forms designer support.
    
29.       //
    
30.       InitializeComponent();
    
31.       
    
32.       //
    
33.       // TODO: Add constructor code after the InitializeComponent() call.
    
34.       //
    
35.     }
    
36.    
    
37.     [CommandMethod("newUCS")]
    
38.     public void NewUCS()
    
39.     {
    
40.       Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
    
41.       Database db = doc.Database;
    
42.       Editor ed = doc.Editor;
    
43.       Point3d breakPoint = new Point3d();
    
44.       using (Transaction trans = db.TransactionManager.StartTransaction())
    
45.       {
    
46.         UcsTable ut = trans.GetObject(db.UcsTableId,OpenMode.ForRead) as UcsTable;
    
47.         UcsTableRecord utr;
    
48.         if (ut.Has("New_UCS") == false)
    
49.         {
    
50.           utr = new UcsTableRecord();
    
51.           utr.Name = "New_UCS";
    
52.           ut.UpgradeOpen();
    
53.           ut.Add(utr);
    
54.           trans.AddNewlyCreatedDBObject(utr,true);
    
55.         }else
    
56.         {
    
57.           utr = trans.GetObject(ut["New_UCS"],OpenMode.ForWrite) as UcsTableRecord;
    
58.         }
    
59.         //指定原点
    
60.         PromptPointOptions pPtOpts = new PromptPointOptions("\n指定原点");
    
61.         PromptPointResult pPtRes = ed.GetPoint(pPtOpts);
    
62.         if (pPtRes.Status == PromptStatus.OK)
    
63.         {
    
64.           utr.Origin = pPtRes.Value;
    
65.           breakPoint = pPtRes.Value;
    
66.         }
    
67.         
    
68.         //指定Y轴
    
69.         pPtOpts = new PromptPointOptions("指定Y轴方向");
    
70.         pPtRes = ed.GetPoint(pPtOpts);
    
71.         if (pPtRes.Status == PromptStatus.OK)
    
72.         {
    
73.           Vector3d vec = pPtRes.Value - utr.Origin;
    
74.           utr.YAxis = vec.GetNormal();
    
75.         }
    
76.         
    
77.         //Y轴旋转90°为X轴
    
78.         utr.XAxis = utr.YAxis.RotateBy(Math.PI*3/2,Vector3d.ZAxis);
    
79.         
    
80.         Matrix3d mt = Matrix3d.AlignCoordinateSystem(Point3d.Origin,Vector3d.XAxis,Vector3d.YAxis,Vector3d.ZAxis,utr.Origin,utr.XAxis,utr.YAxis,Vector3d.ZAxis);
    
81.         ed.CurrentUserCoordinateSystem = mt;
    
82.         trans.Commit();
    
83.       }
    
84.       AddPoint();
    
85.     }
    
86.    
    
87.     // 添加点
    
88.     [CommandMethod("addpoint")]
    
89.     public void AddPoint()
    
90.     {
    
91.       Database db = HostApplicationServices.WorkingDatabase;
    
92.       Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
    
93.       Point3d pt;
    
94.       PromptPointResult pPtRes;
    
95.       PromptPointOptions pPtOpts = new PromptPointOptions("");
    
96.       pPtOpts.Message = "\n请选择起点";
    
97.       pPtRes = ed.GetPoint(pPtOpts);
    
98.       while (pPtRes.Status == PromptStatus.OK | pPtRes.Status != PromptStatus.Cancel)
    
99.       {
    
100.         pt = pPtRes.Value;
     
101.         ed.WriteMessage("选点"+pt.ToString());
     
102.         Vector3d vec = db.Ucsorg.GetAsVector();
     
103.         AddPoint(pt+vec);
     
104.         pts.Add(pt);
     
105.         pPtOpts.Message = "\n请选择下一点[ESC退出：]";
     
106.         pPtOpts.UseBasePoint = true;
     
107.         pPtOpts.BasePoint = pPtRes.Value;
     
108.         pPtRes = ed.GetPoint(pPtOpts);
     
109.       }
     
110.     }
     
111.    
     
112.     public static ObjectIdCollection AddPoint(Point3d position)
     
113.     {
     
114.       DBPoint ent1 = new DBPoint(position);
     
115.       DBText ent2 = new DBText();
     
116.       ent2.Position = new Point3d(position.X + 5, position.Y + 5, position.Z);
     
117.       ent2.TextString = i.ToString();
     
118.       ent2.Height = 5;
     
119.       Circle ent3 = new Circle(position,Vector3d.ZAxis,5);
     
120.       
     
121.       Entity[] ents = new Entity[3];
     
122.       ents[0] = ent1;
     
123.       ents[1] = ent2;
     
124.       ents[2] = ent3;
     
125.       ObjectIdCollection entsId = AppendEntity(ents);
     
126.       i++;
     
127.       return entsId;
     
128.     }
     
129.    
     
130.     public static ObjectIdCollection AppendEntity(params Entity[] ents)
     
131.     {
     
132.       Database db = HostApplicationServices.WorkingDatabase;
     
133.       ObjectIdCollection objIds = new ObjectIdCollection();
     
134.       using (Transaction trans = db.TransactionManager.StartTransaction())
     
135.       {
     
136.         BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead);
     
137.         BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
     
138.         foreach (var ent in ents)
     
139.         {
     
140.           ent.ColorIndex = 210;
     
141.           objIds.Add(btr.AppendEntity(ent));
     
142.           trans.AddNewlyCreatedDBObject(ent, true);
     
143.         }
     
144.         trans.Commit();
     
145.         return objIds;
     
146.       }
     
147.     }
     
148.   }
     
149. }

using System;<br /> using System.Collections.Generic;<br /> using System.ComponentModel;<br /> using System.Drawing;<br /> using System.IO;<br /> using System.Windows.Forms;<br /> <br /> using Autodesk.<a href="http://bbs.mjtd.com/forum-41-1.html" target="_blank" class="relatedlink">AutoCAD</a>.ApplicationServices;<br /> using Autodesk.AutoCAD.DatabaseServices;<br /> using Autodesk.AutoCAD.EditorInput;<br /> using Autodesk.AutoCAD.Geometry;<br /> using Autodesk.AutoCAD.Runtime;<br /> <br /> namespace UCS<br /> {<br />   /// <summary><br />   /// Description of UserControl1.<br />   /// </summary><br />   public partial class UserControl1 : UserControl<br />   {<br />     public static int i = 1;<br />     public static List<Point3d> pts = new List<Point3d>();<br /> <br />     public UserControl1()<br />     {<br />       //<br />       // The InitializeComponent() call is required for Windows Forms designer support.<br />       //<br />       InitializeComponent();<br />       <br />       //<br />       // TODO: Add constructor code after the InitializeComponent() call.<br />       //<br />     }<br />     <br />     [CommandMethod("newUCS")]<br />     public void NewUCS()<br />     {<br />       Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;<br />       Database db = doc.Database;<br />       Editor ed = doc.Editor;<br />       Point3d breakPoint = new Point3d();<br />       using (Transaction trans = db.TransactionManager.StartTransaction())<br />       {<br />         UcsTable ut = trans.GetObject(db.UcsTableId,OpenMode.ForRead) as UcsTable;<br />         UcsTableRecord utr;<br />         if (ut.Has("New_UCS") == false)<br />         {<br />           utr = new UcsTableRecord();<br />           utr.Name = "New_UCS";<br />           ut.UpgradeOpen();<br />           ut.Add(utr);<br />           trans.AddNewlyCreatedDBObject(utr,true);<br />         }else<br />         {<br />           utr = trans.GetObject(ut["New_UCS"],OpenMode.ForWrite) as UcsTableRecord;<br />         }<br />         //指定原点<br />         PromptPointOptions pPtOpts = new PromptPointOptions("\n指定原点");<br />         PromptPointResult pPtRes = ed.GetPoint(pPtOpts);<br />         if (pPtRes.Status == PromptStatus.OK)<br />         {<br />           utr.Origin = pPtRes.Value;<br />           breakPoint = pPtRes.Value;<br />         }<br />         <br />         //指定Y轴<br />         pPtOpts = new PromptPointOptions("指定Y轴方向");<br />         pPtRes = ed.GetPoint(pPtOpts);<br />         if (pPtRes.Status == PromptStatus.OK)<br />         {<br />           Vector3d vec = pPtRes.Value - utr.Origin;<br />           utr.YAxis = vec.GetNormal();<br />         }<br />         <br />         //Y轴旋转90°为X轴<br />         utr.XAxis = utr.YAxis.RotateBy(Math.PI*3/2,Vector3d.ZAxis);<br />         <br />         Matrix3d mt = Matrix3d.AlignCoordinateSystem(Point3d.Origin,Vector3d.XAxis,Vector3d.YAxis,Vector3d.ZAxis,utr.Origin,utr.XAxis,utr.YAxis,Vector3d.ZAxis);<br />         ed.CurrentUserCoordinateSystem = mt;<br />         trans.Commit();<br />       }<br />       AddPoint();<br />     }<br />     <br />     // 添加点<br />     [CommandMethod("addpoint")]<br />     public void AddPoint()<br />     {<br />       Database db = HostApplicationServices.WorkingDatabase;<br />       Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;<br />       Point3d pt;<br />       PromptPointResult pPtRes;<br />       PromptPointOptions pPtOpts = new PromptPointOptions("");<br />       pPtOpts.Message = "\n请选择起点";<br />       pPtRes = ed.GetPoint(pPtOpts);<br />       while (pPtRes.Status == PromptStatus.OK | pPtRes.Status != PromptStatus.Cancel)<br />       {<br />         pt = pPtRes.Value;<br />         ed.WriteMessage("选点"+pt.ToString());<br />         Vector3d vec = db.Ucsorg.GetAsVector();<br />         AddPoint(pt+vec);<br />         pts.Add(pt);<br />         pPtOpts.Message = "\n请选择下一点[ESC退出：]";<br />         pPtOpts.UseBasePoint = true;<br />         pPtOpts.BasePoint = pPtRes.Value;<br />         pPtRes = ed.GetPoint(pPtOpts);<br />       }<br />     }<br />     <br />     public static ObjectIdCollection AddPoint(Point3d position)<br />     {<br />       DBPoint ent1 = new DBPoint(position);<br />       DBText ent2 = new DBText();<br />       ent2.Position = new Point3d(position.X + 5, position.Y + 5, position.Z);<br />       ent2.TextString = i.ToString();<br />       ent2.Height = 5;<br />       Circle ent3 = new Circle(position,Vector3d.ZAxis,5);<br />       <br />       Entity[] ents = new Entity[3];<br />       ents[0] = ent1;<br />       ents[1] = ent2;<br />       ents[2] = ent3;<br />       ObjectIdCollection entsId = AppendEntity(ents);<br />       i++;<br />       return entsId;<br />     }<br />     <br />     public static ObjectIdCollection AppendEntity(params Entity[] ents)<br />     {<br />       Database db = HostApplicationServices.WorkingDatabase;<br />       ObjectIdCollection objIds = new ObjectIdCollection();<br />       using (Transaction trans = db.TransactionManager.StartTransaction())<br />       {<br />         BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead);<br />         BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);<br />         foreach (var ent in ents)<br />         {<br />           ent.ColorIndex = 210;<br />           objIds.Add(btr.AppendEntity(ent));<br />           trans.AddNewlyCreatedDBObject(ent, true);<br />         }<br />         trans.Commit();<br />         return objIds;<br />       }<br />     }<br />   }<br /> }

转换坐标解决了~