[讨论][求助]用.netObject ARX 画完图在模型空间里显示问题
<p>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。</p><p>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?</p> <p>你的代码呢?</p> <p><font face="Verdana"> public void AddLine(System.Data.DataTable dt)<br/> {<br/> // Get the current document and database<br/> Document acDoc = Application.DocumentManager.MdiActiveDocument;<br/> Database acCurDb = acDoc.Database;</font></p>
<p><font face="Verdana"> // Start a transaction<br/> using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())<br/> {<br/> // Open the Block table for read<br/> BlockTable acBlkTbl;<br/> acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId,<br/> OpenMode.ForRead) as BlockTable;</font></p>
<p><font face="Verdana"> // Open the Block table record Model space for write<br/> BlockTableRecord acBlkTblRec;<br/> acBlkTblRec = acTrans.GetObject(acBlkTbl,<br/> OpenMode.ForWrite) as BlockTableRecord;<br/> for (int j = 0; j < (dt.Rows.Count); j++)<br/> {<br/> // int useXAxis = 5;</font></p>
<p><font face="Verdana"> if (!Convert.IsDBNull(dt.Rows["p2.X"]) && !Convert.IsDBNull(dt.Rows["p2.Y"]) && !Convert.IsDBNull(dt.Rows["p2.Hight"]) &&<br/> !Convert.IsDBNull(dt.Rows["t1.X"]) && !Convert.IsDBNull(dt.Rows["t1.Y"]) && !Convert.IsDBNull(dt.Rows["t1.Hight"]))<br/> {</font></p>
<p><font face="Verdana"> // Create a line <br/> Line acLine = new Line<br/> (<br/> new Point3d<br/> (<br/> Convert.ToDouble(dt.Rows["t1.X"]),<br/> Convert.ToDouble(dt.Rows["t1.Y"]),<br/> Convert.ToDouble(dt.Rows["t1.Hight"])<br/> ),<br/> new Point3d<br/> (<br/> Convert.ToDouble(dt.Rows["p2.X"]),<br/> Convert.ToDouble(dt.Rows["p2.Y"]),<br/> Convert.ToDouble(dt.Rows["p2.Hight"])<br/> )<br/> );</font></p>
<p><font face="Verdana"> acLine.SetDatabaseDefaults();</font></p>
<p><font face="Verdana"> // Add the new object to the block table record and the transaction<br/> acBlkTblRec.AppendEntity(acLine);<br/> acTrans.AddNewlyCreatedDBObject(acLine, true);<br/> }</font></p><font face="Verdana">
<p><br/> } </p>
<p> // Save the new object to the database<br/> acTrans.Commit();<br/> }<br/> }<br/> 这是我的代码</font></p> 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,
OpenMode.ForWrite) as BlockTableRecord;
for (int i = 0; i < dtblPoint.Rows.Count; i++)
{
if (!Convert.IsDBNull(dtblPoint.Rows["X"]) && !Convert.IsDBNull(dtblPoint.Rows["Y"]) && !Convert.IsDBNull(dtblPoint.Rows["Hight"]))
{
// Create a point at (4, 3, 0) in Model space
DBPoint acPoint = new DBPoint(new Point3d(
Convert.ToDouble(dtblPoint.Rows["X"]),
Convert.ToDouble(dtblPoint.Rows["Y"]),
Convert.ToDouble(dtblPoint.Rows["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
哦,你可以在图形画完后调Cad的zoom命令 <p>怎么设置图纸的比例尺</p>
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