[讨论][求助]用.netObject ARX 画完图在模型空间里显示问题

guanxiancad2006

我用.netObject ARX写代码 画图为什么在模型空间里不能看到，只能在布局里看到。

如果是比例问题，需要放大，但是怎么设置比例让他画完图正好以合适的比例显示在中央呢？

雪山飞狐_lzh

你的代码呢？

guanxiancad2006

  public  void AddLine(System.Data.DataTable dt)
        {
            // Get the current document and database
            Document acDoc = Application.DocumentManager.MdiActiveDocument;
            Database acCurDb = acDoc.Database;

            // Start a transaction
            using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
            {
                // Open the Block table for read
                BlockTable acBlkTbl;
                acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId,
                                             OpenMode.ForRead) as BlockTable;

                // Open the Block table record Model space for write
                BlockTableRecord acBlkTblRec;
                acBlkTblRec = acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace],
                                                OpenMode.ForWrite) as BlockTableRecord;
                for (int j = 0; j < (dt.Rows.Count); j++)
                {
                    //  int useXAxis = 5;

                    if (!Convert.IsDBNull(dt.Rows[j]["p2.X"]) && !Convert.IsDBNull(dt.Rows[j]["p2.Y"]) && !Convert.IsDBNull(dt.Rows[j]["p2.Hight"]) &&
                        !Convert.IsDBNull(dt.Rows[j]["t1.X"]) && !Convert.IsDBNull(dt.Rows[j]["t1.Y"]) && !Convert.IsDBNull(dt.Rows[j]["t1.Hight"]))
                    {

                        // Create a line
                        Line acLine = new Line
                            (
                                        new Point3d
                                        (
                                            Convert.ToDouble(dt.Rows[j]["t1.X"]),
                                            Convert.ToDouble(dt.Rows[j]["t1.Y"]),
                                            Convert.ToDouble(dt.Rows[j]["t1.Hight"])
                                        ),
                                       new Point3d
                                       (
                                         Convert.ToDouble(dt.Rows[j]["p2.X"]),
                                         Convert.ToDouble(dt.Rows[j]["p2.Y"]),
                                         Convert.ToDouble(dt.Rows[j]["p2.Hight"])
                                        )
                           );

                        acLine.SetDatabaseDefaults();

                        // Add the new object to the block table record and the transaction
                        acBlkTblRec.AppendEntity(acLine);
                        acTrans.AddNewlyCreatedDBObject(acLine, true);
                    }

                }            

                // Save the new object to the database
                acTrans.Commit();
            }
        }
     这是我的代码

guanxiancad2006

2. public void AddPointAndSetPointStyle(System.Data.DataTable dtblPoint )
3. {
4. // Get the current document and database
5. Document acDoc = Application.DocumentManager.MdiActiveDocument;
6. Database acCurDb = acDoc.Database;
8. // Start a transaction
9. using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
10. {
11. // Open the Block table for read
12. BlockTable acBlkTbl;
13. acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId,
14. OpenMode.ForRead) as BlockTable;
16. // Open the Block table record Model space for write
17. BlockTableRecord acBlkTblRec;
18. acBlkTblRec = acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace],
19. OpenMode.ForWrite) as BlockTableRecord;
20. for (int i = 0; i < dtblPoint.Rows.Count; i++)
21. {
22. if (!Convert.IsDBNull(dtblPoint.Rows[i]["X"]) && !Convert.IsDBNull(dtblPoint.Rows[i]["Y"]) && !Convert.IsDBNull(dtblPoint.Rows[i]["Hight"]))
23. {
24. // Create a point at (4, 3, 0) in Model space
27. DBPoint acPoint = new DBPoint(new Point3d(
28. Convert.ToDouble(dtblPoint.Rows[i]["X"]),
29. Convert.ToDouble(dtblPoint.Rows[i]["Y"]),
30. Convert.ToDouble(dtblPoint.Rows[i]["Hight"])
31. ));
35. acPoint.SetDatabaseDefaults();
37. // Add the new object to the block table record and the transaction
38. acBlkTblRec.AppendEntity(acPoint);
39. acTrans.AddNewlyCreatedDBObject(acPoint, true);
40. }
41. }
43. // Set the style for all point objects in the drawing
44. acCurDb.Pdmode = 34;
45. acCurDb.Pdsize = 1;
47. // Save the new object to the database
48. acTrans.Commit();
49. }
50. }

public void AddPointAndSetPointStyle(System.Data.DataTable dtblPoint ) { // Get the current document and database Document acDoc = Application.DocumentManager.MdiActiveDocument; Database acCurDb = acDoc.Database; // Start a transaction using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction()) { // Open the Block table for read BlockTable acBlkTbl; acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId, OpenMode.ForRead) as BlockTable; // Open the Block table record Model space for write BlockTableRecord acBlkTblRec; acBlkTblRec = acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord; for (int i = 0; i < dtblPoint.Rows.Count; i++) { if (!Convert.IsDBNull(dtblPoint.Rows[i]["X"]) && !Convert.IsDBNull(dtblPoint.Rows[i]["Y"]) && !Convert.IsDBNull(dtblPoint.Rows[i]["Hight"])) { // Create a point at (4, 3, 0) in Model space DBPoint acPoint = new DBPoint(new Point3d( Convert.ToDouble(dtblPoint.Rows[i]["X"]), Convert.ToDouble(dtblPoint.Rows[i]["Y"]), Convert.ToDouble(dtblPoint.Rows[i]["Hight"]) )); acPoint.SetDatabaseDefaults(); // Add the new object to the block table record and the transaction acBlkTblRec.AppendEntity(acPoint); acTrans.AddNewlyCreatedDBObject(acPoint, true); } } // Set the style for all point objects in the drawing acCurDb.Pdmode = 34; acCurDb.Pdsize = 1; // Save the new object to the database acTrans.Commit(); } }

这是画点

雪山飞狐_lzh

哦，你可以在图形画完后调Cad的zoom命令

guanxiancad2006

怎么设置图纸的比例尺