/// <summary>
/// List name of all UCS of active document
/// </summary>
/// <param name="db">Database of active document</param>
/// <returns></returns>
public static List <string> GetUCSName(Database db)
{
List <string> ucsNames = null;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
// Open the UCS table for read
UcsTable acUCSTbl;
acUCSTbl = tr.GetObject(db.UcsTableId, OpenMode.ForRead) as UcsTable;
// Listing
foreach (ObjectId ucs in acUCSTbl)
{
ucsNames = new List <string>();
UcsTableRecord acUCSTblRec = (UcsTableRecord)tr.GetObject(
ucs, OpenMode.ForRead);
if (acUCSTblRec != null)
{
ucsNames.Add(acUCSTblRec.Name);
}
}
tr.Commit();
}
return(ucsNames);
}
addUcsTableRecord(string name)
{
ObjectId id = ObjectId.Null;
UcsTableRecord Ucstr = new UcsTableRecord();
try
{
using (Transaction tr = BaseObjs.startTransactionDb())
{
UcsTable UcsT = getUcsTable();
try
{
Ucstr.Name = name;
UcsT.Add(Ucstr);
tr.AddNewlyCreatedDBObject(Ucstr, true);
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " UCsys.cs: line: 177");
}
tr.Commit();
id = Ucstr.ObjectId;
}
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " UCsys.cs: line: 185");
}
return(id);
}
public static UcsTableRecord GetOrCreateUCS(Transaction trans, Database acCurDb, string ucsName)
{
UcsTable acUCSTbl;
acUCSTbl = acCurDb.UcsTableId.GetObject(OpenMode.ForRead) as UcsTable;
UcsTableRecord acUCSTblRec;
// 检查UCS表中是否有“New_UCS”这条记录
if (acUCSTbl.Has(ucsName) == false)
{
acUCSTblRec = new UcsTableRecord();
acUCSTblRec.Name = ucsName;
// 以写模式打开UCSTable
acUCSTbl.UpgradeOpen();
// 往UCSTable添加新记录
acUCSTbl.Add(acUCSTblRec);
trans.AddNewlyCreatedDBObject(acUCSTblRec, true);
acUCSTbl.DowngradeOpen();
}
else
{
acUCSTblRec = trans.GetObject(acUCSTbl[ucsName], OpenMode.ForRead) as UcsTableRecord;
}
return(acUCSTblRec);
}
/// <summary>
/// Transform point3D coordinate from WCS to named UCS
/// </summary>
/// <param name="pnts"></param>
/// <param name="ucsName"></param>
/// <returns></returns>
public static Point3dCollection Wcs2Ucs(Point3dCollection pnts, string ucsName)
{
Document doc = acApp.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Point3dCollection ucsPnts = new Point3dCollection();
using (Transaction tr = db.TransactionManager.StartTransaction())
{
UcsTable acUCSTbl;
acUCSTbl = tr.GetObject(db.UcsTableId, OpenMode.ForRead) as UcsTable;
UcsTableRecord ucs1 = tr.GetObject(acUCSTbl[ucsName], OpenMode.ForRead)
as UcsTableRecord;
Matrix3d mat = Matrix3d.AlignCoordinateSystem(
ucs1.Origin,
ucs1.XAxis,
ucs1.YAxis,
ucs1.XAxis.CrossProduct(ucs1.YAxis),
Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.XAxis.CrossProduct(ucs1.YAxis)
);
// Translate
foreach (Point3d p in pnts)
{
ucsPnts.Add(p.TransformBy(mat));
}
tr.Commit();
}
return(ucsPnts);
}
Stream(ArrayList data, UcsTableRecord rec)
{
data.Add(new Snoop.Data.ClassSeparator(typeof(UcsTableRecord)));
data.Add(new Snoop.Data.Point3d("Origin", rec.Origin));
data.Add(new Snoop.Data.Vector3d("X axis", rec.XAxis));
data.Add(new Snoop.Data.Vector3d("Y axis", rec.YAxis));
}
public static UcsTableRecord CreateTempUtc(Point3d origin, Vector3d xAxis, Vector3d yAxis)
{
UcsTableRecord ucs = new UcsTableRecord();
ucs.Origin = origin;
ucs.XAxis = xAxis;
ucs.YAxis = yAxis;
return(ucs);
}
public void InsertUcsFromFileStart()
{
var pofo = new PromptOpenFileOptions("Select a file")
{
InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop)
};
var res = _ed.GetFileNameForOpen(pofo);
if (res.Status != PromptStatus.OK)
{
return;
}
using (var loc = _doc.LockDocument())
{
using (var destBaseTr = _db.TransactionManager.StartTransaction())
{
var destUcsTable = (UcsTable)destBaseTr.GetObject(_db.UcsTableId, OpenMode.ForWrite);
using (var sourceDb = new Database(false, true))
{
sourceDb.ReadDwgFile(res.StringResult, FileOpenMode.OpenForReadAndAllShare, true, "");
using (var tr = sourceDb.TransactionManager.StartTransaction())
{
var sourceUcsTable = (UcsTable)tr.GetObject(sourceDb.UcsTableId, OpenMode.ForRead);
foreach (ObjectId uscRecordId in sourceUcsTable)
{
var ucsTr = (UcsTableRecord)tr.GetObject(uscRecordId, OpenMode.ForRead);
var suffix = 1;
var name = ucsTr.Name;
while (destUcsTable.Has(name))
{
_editorHelper.WriteMessage(String.Format("UCS {0} exists!\n", ucsTr.Name));
name = String.Format("{0}{1}", ucsTr.Name, String.Format("({0})", suffix));
suffix++;
}
var x = new UcsTableRecord
{
Name = name,
Origin = ucsTr.Origin,
XAxis = ucsTr.XAxis,
YAxis = ucsTr.YAxis
};
destUcsTable.Add(x);
destBaseTr.AddNewlyCreatedDBObject(x, true);
}
}
}
destBaseTr.Commit();
}
}
}
setUCS2Object(Point3d pnt3dBase0, Point3d pnt3dBaseX, Point3d pnt3dBaseY)
{
Vector3d vec3dXaxis = new Vector3d(pnt3dBaseX.X - pnt3dBase0.X, pnt3dBaseX.Y - pnt3dBase0.Y, pnt3dBaseX.Z - pnt3dBase0.Z);
Vector3d vec3dYaxis = new Vector3d(pnt3dBaseY.X - pnt3dBase0.X, pnt3dBaseY.Y - pnt3dBase0.Y, pnt3dBaseY.Z - pnt3dBase0.Z);
try
{
using (Transaction tr = BaseObjs.startTransactionDb())
{
// Open the UCS table for read
UcsTable acUCSTbl = getUcsTable();
UcsTableRecord acUCSTblRec;
// Check to see if the "New_UCS" UCS table record exists
if (acUCSTbl.Has("Temp") == false)
{
acUCSTblRec = new UcsTableRecord();
acUCSTblRec.Name = "Temp";
// Open the UCSTable for write
acUCSTbl.UpgradeOpen();
// Add the new UCS table record
acUCSTbl.Add(acUCSTblRec);
tr.AddNewlyCreatedDBObject(acUCSTblRec, true);
}
else
{
acUCSTblRec = tr.GetObject(acUCSTbl["Temp"], OpenMode.ForWrite) as UcsTableRecord;
}
acUCSTblRec.Origin = pnt3dBase0;
acUCSTblRec.XAxis = vec3dXaxis;
acUCSTblRec.YAxis = vec3dYaxis;
// Open the active viewport
ViewportTableRecord acVportTblRec;
acVportTblRec = tr.GetObject(BaseObjs._editor.ActiveViewportId, OpenMode.ForWrite) as ViewportTableRecord;
// Set the UCS current
acVportTblRec.SetUcs(acUCSTblRec.ObjectId);
BaseObjs._editor.UpdateTiledViewportsFromDatabase();
tr.Commit();
}
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " UCsys.cs: line: 328");
}
}
/// <summary>
/// 设置UCS的原点
/// </summary>
/// <param name="ucsId">UCS的Id</param>
/// <param name="pt">要设置的UCS原点坐标</param>
public static void SetUCSOrigin(this ObjectId ucsId, Point3d pt)
{
Database db = ucsId.Database;
var trans = db.TransactionManager;
//打开UCS
UcsTableRecord utr = trans.GetObject(ucsId, OpenMode.ForRead) as UcsTableRecord;
if (utr == null)
{
return; //若UCS不存在，则返回
}
utr.UpgradeOpen(); //切换UCS为写的状态
utr.Origin = pt; //设置UCS的原点
utr.DowngradeOpen(); //为了安全，切换UCS为读的状态
}
public void TestAddUcs()
{
var newId = ObjectId.Null;
using (var db = AcadDatabase.Active())
{
var newUcs = new UcsTableRecord()
{
Name = "NewUcs"
};
db.Ucss.Add(newUcs);
newId = newUcs.ObjectId;
}
AcadAssert.That.UcsTable.Contains(newId);
}
public void Test()
{
Document document = Application.DocumentManager.MdiActiveDocument;
using (Transaction trans = document.TransactionManager.StartTransaction())
{
UcsTable ut = trans.GetObject(document.Database.UcsTableId, OpenMode.ForRead) as UcsTable;
UcsTableRecord utr = trans.GetObject(ut["TestUcs"], OpenMode.ForRead);
utr.Name = "TestUcs";
utr.Origin = basePt;
utr.XAxis = vecX;
utr.XAxis = vecY;
ut.Add(utr);
trans.AddNewlyCreatedDBObject(utr, true);
trans.Commit();
}
}
/// <summary>
/// 旋转UCS
/// </summary>
/// <param name="ucsId">UCS的Id</param>
/// <param name="rotateAngle">旋转角度</param>
/// <param name="rotateAxis">旋转轴</param>
public static void RotateUCS(this ObjectId ucsId, double rotateAngle, Vector3d rotateAxis)
{
Database db = ucsId.Database;
var trans = db.TransactionManager;
//打开UCS
UcsTableRecord utr = trans.GetObject(ucsId, OpenMode.ForRead) as UcsTableRecord;
if (utr == null)
{
return; //若UCS不存在，则返回
}
utr.UpgradeOpen(); //切换UCS为写的状态
Vector3d xAxis = utr.XAxis; //UCS的X轴方向
Vector3d yAxis = utr.YAxis; //UCS的Y轴方向
//旋转UCS
utr.XAxis = xAxis.RotateBy(rotateAngle * Math.PI / 180, rotateAxis);
utr.YAxis = yAxis.RotateBy(rotateAngle * Math.PI / 180, rotateAxis);
utr.DowngradeOpen();//为了安全，切换UCS为读的状态
}
/// <summary>
/// 创建一个新的UCS
/// </summary>
/// <param name="db">数据库对象</param>
/// <param name="UCSName">要创建的UCS名称</param>
/// <returns>返回创建的UCS的Id</returns>
public static ObjectId AddUCS(this Database db, string UCSName)
{
var trans = db.TransactionManager;
//打开UCS表
UcsTable ut = (UcsTable)trans.GetObject(db.UcsTableId, OpenMode.ForRead);
if (!ut.Has(UCSName))//如果不存在名为UCSName的UCS，则新建一个UCS
{
//定义一个新的UCS
UcsTableRecord utr = new UcsTableRecord();
utr.Name = UCSName; //设置UCS名
ut.UpgradeOpen(); //切换UCS表的状态为写以添加新的UCS
//将UCS的信息添加到UCS表中
ut.Add(utr);
//把UCS添加到事务处理中
trans.AddNewlyCreatedDBObject(utr, true);
ut.DowngradeOpen(); //为了安全，将UCS表的状态切换为读
}
return(ut[UCSName]); //返回新添加的UCS的ObjectId
}
/// <summary> 旋转视口，并保持视口内容相对于视口的位置不变 </summary>
/// <param name="vp">要进行旋转的视口</param>
/// <param name="layout">视口所在的那个布局空间</param>
/// <param name="basePt">旋转的基点在图纸空间中的坐标</param>
/// <param name="angle">要旋转的角度，单位为弧度，按右手准则进行旋转</param>
public static void RotateViewport(this Viewport vp, DocumentModifier docMdf, Layout layout, Point2d basePt,
double angle)
{
ViewportTableRecord vpr;
var ed = Application.DocumentManager.MdiActiveDocument.Editor;
// 对视口所绑定的几何曲线 layoutClipCurve 的Rotation 操作可以对视口进行旋转，但是奇怪的是，在变换过程中，视口中的显示内容相对于布局空间未发生旋转，却进行了平移与缩放。
// 平移的后的视图中心点依然与视口的几何中心点重合，缩放的比例可以暂且简单理解为"1/cos(angle)"。
// 而如果要实现视口中内容随视口进行整体旋转，必须对acVport对象进行旋转变换。
vp.TransformBy(Matrix3d.Rotation(angle, axis: new Vector3d(0, 0, 1), center: new Point3d(0, 0, 0)));
vp.UcsIconVisible = true;
vp.UcsIconAtOrigin = true;
Curve curve = null;
if (vp.NonRectClipOn)
{
curve = vp.NonRectClipEntityId.GetObject(OpenMode.ForRead) as Curve;
if (curve != null)
{
curve.UpgradeOpen();
docMdf.WriteNow("找到视口对应的多段线");
//
// curve.TransformBy(Matrix3d.Rotation(angle, axis: new Vector3d(0, 0, 1), center: new Point3d(0, 0, 0)));
}
}
//
var ucsW = docMdf.acEditor.CurrentUserCoordinateSystem;
Point3d ucsO = new Point3d(100, 100, 0);
Vector3d ucsX = new Vector3d(1, 0, 0);
Vector3d ucsY = new Vector3d(0, 1, 0);
UcsTableRecord ucs = GetOrCreateUCS(docMdf.acTransaction, docMdf.acDataBase, "新ucs");
ucs.Origin = new Point3d(100, 100, 0);;
ucs.XAxis = new Vector3d(1, 0, 0);
ucs.YAxis = new Vector3d(0, 1, 0);
vp.SetUcs(ucs.Id);
// docMdf.acEditor.UpdateTiledViewportsFromDatabase();
vp.UcsFollowModeOn = true;
docMdf.WriteNow($"结束. {vp.UcsName}");
}
getUcsTableRecord(string name)
{
try
{
using (Transaction tr = BaseObjs.startTransactionDb())
{
UcsTable UcsT = getUcsTable();
if (UcsT.Has(name) == true)
{
UcsTableRecord Ucstr = (UcsTableRecord)tr.GetObject(UcsT[name], OpenMode.ForRead);
return(Ucstr);
}
tr.Commit();
}
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " UCsys.cs: line: 272");
}
return(null);
}
public static ObjectId OpenOrCreateUserCoordinateSystem(string ucsName, bool openIfExists = true)
{
using (Transaction trans = Tools.StartTransaction())
{
// Open the UCS table for read
UcsTable ucsTable = (UcsTable)trans.GetObject(Tools.GetAcadDatabase().UcsTableId, OpenMode.ForRead);
UcsTableRecord ucsTblRec;
// Check to see if the "New_UCS" UCS table record exists
if (ucsTable.Has(ucsName) == false)
{
ucsTblRec = new UcsTableRecord();
ucsTblRec.Name = ucsName;
// Open the UCSTable for write
ucsTable.UpgradeOpen();
// Add the new UCS table record
ucsTable.Add(ucsTblRec);
trans.AddNewlyCreatedDBObject(ucsTblRec, true);
ucsTblRec.Dispose();
}
else
{
if (openIfExists)
{
ucsTblRec = trans.GetObject(ucsTable[ucsName],
OpenMode.ForWrite) as UcsTableRecord;
}
else
{
throw new ArgumentException(string.Format("\nA UCS with this name \"{0}\" alredy exists", ucsName));
}
}
return(ucsTblRec.Id);
}
}
public void CreateUCS()
{
Database db = HostApplicationServices.WorkingDatabase;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
UcsTable ut = (UcsTable)trans.GetObject(db.UcsTableId, OpenMode.ForWrite);
String ucsName = "myUCS";
if (ut.Has(ucsName) == false)
{
UcsTableRecord utr = new UcsTableRecord();
utr.Name = ucsName;
utr.Origin = new Point3d(0, 0, 0);
utr.XAxis = new Vector3d(0, 1, 0);
utr.YAxis = new Vector3d(-1, 0, 0);
Matrix3d mt = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, utr.Origin, utr.XAxis, utr.YAxis, utr.XAxis.CrossProduct(utr.YAxis));
ed.CurrentUserCoordinateSystem = mt;
}
trans.Commit();
}
}
public void Test()
{
Document document = Application.DocumentManager.MdiActiveDocument;
Editor ed = document.Editor;
Matrix3d mt = ed.CurrentUserCoordinateSystem;
Point3d basePt = new Point3d(1000, 1000, 0);
Vector3d vecX = new Vector3d(100, 100, 0);
Vector3d vecY = vecX.GetPerpendicularVector();
using (Transaction trans = document.TransactionManager.StartTransaction())
{
UcsTable ut = trans.GetObject(document.Database.UcsTableId, OpenMode.ForRead) as UcsTable;
UcsTableRecord utr = new UcsTableRecord();
utr.Name = "TestUcs";
utr.Origin = basePt;
utr.XAxis = vecX;
utr.XAxis = vecY;
ut.UpgradeOpen();
ut.Add(utr);
ut.DowngradeOpen();
trans.AddNewlyCreatedDBObject(utr, true);
trans.Commit();
}
}
// 开始具体的调试操作
private void DoSomething(DocumentModifier docMdf, SelectionSet impliedSelection)
{
var acTrans = docMdf.acTransaction;
// 以读模式打开UCSTable
UcsTable acUCSTbl;
acUCSTbl = acTrans.GetObject(docMdf.acDataBase.UcsTableId, OpenMode.ForRead) as UcsTable;
UcsTableRecord acUCSTblRec;
// 检查UCS表中是否有“New_UCS”这条记录
if (acUCSTbl.Has("New_UCS") == false)
{
acUCSTblRec = new UcsTableRecord();
acUCSTblRec.Name = "New_UCS";
// 以写模式打开UCSTable
acUCSTbl.UpgradeOpen();
// 往UCSTable添加新记录
acUCSTbl.Add(acUCSTblRec);
acTrans.AddNewlyCreatedDBObject(acUCSTblRec, true);
}
else
{
acUCSTblRec = acTrans.GetObject(acUCSTbl["New_UCS"], OpenMode.ForWrite) as UcsTableRecord;
}
acUCSTblRec.Origin = new Point3d(4, 5, 3);
acUCSTblRec.XAxis = new Vector3d(1, 0, 0);
acUCSTblRec.YAxis = new Vector3d(0, 1, 0);
// 打开当前视口
ViewportTableRecord acVportTblRec = acTrans.GetObject(docMdf.acEditor.ActiveViewportId, OpenMode.ForWrite) as ViewportTableRecord;
// 在当前视口的原点显示UCS图标
acVportTblRec.IconAtOrigin = true;
acVportTblRec.IconEnabled = true;
// 设置UCS为当前坐标系
acVportTblRec.SetUcs(acUCSTblRec.ObjectId);
docMdf.acEditor.UpdateTiledViewportsFromDatabase();
// 显示当前UCS坐标系的名称
UcsTableRecord acUCSTblRecActive = acTrans.GetObject(acVportTblRec.UcsName, OpenMode.ForRead) as UcsTableRecord;
Application.ShowAlertDialog("The current UCS is: " + acUCSTblRecActive.Name);
// 另一种方式显示出当前用户坐标系的参数
Matrix3d curUCSMatrix = docMdf.acEditor.CurrentUserCoordinateSystem;
CoordinateSystem3d curUCS = curUCSMatrix.CoordinateSystem3d;
// 在用户坐标系下绘制一条线
var btrTable = acTrans.GetObject(docMdf.acDataBase.BlockTableId, OpenMode.ForRead) as BlockTable;
var btr = acTrans.GetObject(btrTable[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;
var line = new Line(new Point3d(0, 0, 0), new Point3d(1, 0, 0));
// Entity.TransformBy() 用来进行坐标变换，如果不进行变换，则上面的line的定位是相对于世界坐标系的。
line.TransformBy(curUCSMatrix);
btr.AppendEntity(line);
acTrans.AddNewlyCreatedDBObject(line, true);
// 提示选取一个点
var pPtOpts = new PromptPointOptions("");
pPtOpts.Message = "\nEnter a point: ";
var pPtRes = docMdf.acEditor.GetPoint(pPtOpts);
if (pPtRes.Status == PromptStatus.OK)
{
// 获得的点的坐标是在当前UCS下定义的
var pt3dUCS = pPtRes.Value;
// 将该点的当前UCS坐标转变为WCS坐标
var newMatrix = Matrix3d.AlignCoordinateSystem(Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis,
acVportTblRec.Ucs.Origin,
acVportTblRec.Ucs.Xaxis,
acVportTblRec.Ucs.Yaxis,
acVportTblRec.Ucs.Zaxis);
var pt3dWCS = pt3dUCS.TransformBy(newMatrix);
Application.ShowAlertDialog("The WCS coordinates are: \n" + pt3dWCS.ToString() + "\n" +
"The UCS coordinates are: \n" + pt3dUCS.ToString());
}
}
public static UcsTableRecord CreateUcs(Point3d aOrigin, Point3d aXAxis, Point3d aYAxis, string aName)
{
//bool UpdateViewport = false;
var doc = Application.DocumentManager.MdiActiveDocument;
var ed = doc.Editor;
var db = doc.Database;
var dblRotation = GetAngleFromXAxis(aOrigin, aXAxis); //*Math.PI / 180;
var xAxis = new Vector3d(1 * Math.Cos(dblRotation), 1 * Math.Sin(dblRotation), 0);
var yAxis = new Vector3d(1 * Math.Sin(-1 * dblRotation), 1 * Math.Cos(dblRotation), 0);
using (Application.DocumentManager.MdiActiveDocument.LockDocument())
{
try
{
UcsTableRecord ucstr;
using (var tr = db.TransactionManager.StartTransaction())
{
using (var ucst = (UcsTable)tr.GetObject(db.UcsTableId, OpenMode.ForWrite))
{
if (!ucst.Has(aName))
{
ucstr = new UcsTableRecord {
Name = aName
};
ucst.UpgradeOpen();
ucst.Add(ucstr);
tr.AddNewlyCreatedDBObject(ucstr, true);
}
else
{
ucstr = (UcsTableRecord)tr.GetObject(ucst[aName], OpenMode.ForWrite);
}
ucstr.Origin = aOrigin;
ucstr.XAxis = xAxis;
ucstr.YAxis = yAxis;
/*
* if (UpdateViewport)
* {
* //Debug.Print(Doc.Editor.CurrentViewportObjectId.ToString);
* ViewportTableRecord vport = (ViewportTableRecord)Tr.GetObject(Doc.Editor.CurrentViewportObjectId, OpenMode.ForWrite);
* vport.SetUcs(Ucstr.ObjectId);
* Doc.Editor.UpdateTiledViewportsFromDatabase();
* }
*/
tr.Commit();
}
}
return(ucstr);
}
catch (Exception ex)
{
ed.WriteMessage(ex.Message + "\n" + ex.StackTrace);
return(new UcsTableRecord());
}
}
}
addUCS(Point3d pnt3dOrigin, Point3d pnt3dXaxis, Point3d pnt3dYaxis, string nameUCS)
{
Matrix3d newMatrix = new Matrix3d();
try
{
using (Transaction tr = BaseObjs.startTransactionDb())
{
// Open the UCS table for read
UcsTable ucsT = tr.GetObject(BaseObjs._db.UcsTableId, OpenMode.ForRead) as UcsTable;
UcsTableRecord ucstr;
Vector3d vector3dXaxis = new Vector3d(pnt3dXaxis.X - pnt3dOrigin.X, pnt3dXaxis.Y - pnt3dOrigin.Y, pnt3dXaxis.Z - pnt3dOrigin.Z);
Vector3d vector3dYaxis = new Vector3d(pnt3dYaxis.X - pnt3dOrigin.X, pnt3dYaxis.Y - pnt3dOrigin.Y, pnt3dYaxis.Z - pnt3dOrigin.Z);
Vector3d vector3dZ = vector3dXaxis.CrossProduct(vector3dYaxis);
Vector3d vector3dY = vector3dZ.CrossProduct(vector3dXaxis);
Vector3d vector3dPerpY = new Vector3d(vector3dY.X + pnt3dOrigin.X, vector3dY.Y + pnt3dOrigin.Y, vector3dY.Z + pnt3dOrigin.Z);
// Check to see if the nameUCS UCS table record exists
if (ucsT.Has(nameUCS) == false)
{
ucstr = new UcsTableRecord();
ucstr.Name = nameUCS;
// Open the UCSTable for write
ucsT.UpgradeOpen();
// Add the new UCS table record
ucsT.Add(ucstr);
tr.AddNewlyCreatedDBObject(ucstr, true);
}
else
{
ucstr = (UcsTableRecord)tr.GetObject(ucsT[nameUCS], OpenMode.ForWrite);
}
ucstr.Origin = pnt3dOrigin;
ucstr.XAxis = vector3dXaxis;
ucstr.YAxis = vector3dPerpY;
// Open the active viewport
ViewportTableRecord vptr;
vptr = (ViewportTableRecord)tr.GetObject(BaseObjs._editor.ActiveViewportId, OpenMode.ForWrite);
// Display the UCS Icon at the origin of the current viewport
vptr.IconAtOrigin = true;
vptr.IconEnabled = true;
// Set the UCS current
vptr.SetUcs(ucstr.ObjectId);
BaseObjs._editor.UpdateTiledViewportsFromDatabase();
newMatrix = Matrix3d.AlignCoordinateSystem(Point3d.Origin, Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis,
vptr.Ucs.Origin, vptr.Ucs.Xaxis, vptr.Ucs.Yaxis, vptr.Ucs.Zaxis);
tr.Commit();
}
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " UCsys.cs: line: 149");
}
return(newMatrix);
}
Stream(ArrayList data, AcDb.SymbolTableRecord tblRec)
{
data.Add(new Snoop.Data.ClassSeparator(typeof(AcDb.SymbolTableRecord)));
data.Add(new Snoop.Data.String("Name", tblRec.Name));
data.Add(new Snoop.Data.Bool("Is dependent", tblRec.IsDependent));
data.Add(new Snoop.Data.Bool("Is resolved", tblRec.IsResolved));
// branch to all known major sub-classes
AbstractViewTableRecord viewRec = tblRec as AbstractViewTableRecord;
if (viewRec != null)
{
Stream(data, viewRec);
return;
}
BlockTableRecord blkRec = tblRec as BlockTableRecord;
if (blkRec != null)
{
Stream(data, blkRec);
return;
}
DimStyleTableRecord dimRec = tblRec as DimStyleTableRecord;
if (dimRec != null)
{
Stream(data, dimRec);
return;
}
LayerTableRecord layRec = tblRec as LayerTableRecord;
if (layRec != null)
{
Stream(data, layRec);
return;
}
LinetypeTableRecord ltypeRec = tblRec as LinetypeTableRecord;
if (ltypeRec != null)
{
Stream(data, ltypeRec);
return;
}
TextStyleTableRecord textRec = tblRec as TextStyleTableRecord;
if (textRec != null)
{
Stream(data, textRec);
return;
}
UcsTableRecord ucsRec = tblRec as UcsTableRecord;
if (ucsRec != null)
{
Stream(data, ucsRec);
return;
}
}
public static void NewUCS()
{
Editor ed = Application.DocumentManager.CurrentDocument.Editor;
// Get the current document and database, and start a transaction
try
{
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
// Open the UCS table for read
UcsTable acUCSTbl;
acUCSTbl = acTrans.GetObject(acCurDb.UcsTableId,
OpenMode.ForRead) as UcsTable;
UcsTableRecord acUCSTblRec;
// Check to see if the "New_UCS" UCS table record exists
if (acUCSTbl.Has("New_UCS") == false)
{
acUCSTblRec = new UcsTableRecord();
acUCSTblRec.Name = "New_UCS";
// Open the UCSTable for write
acUCSTbl.UpgradeOpen();
// Add the new UCS table record
acUCSTbl.Add(acUCSTblRec);
acTrans.AddNewlyCreatedDBObject(acUCSTblRec, true);
//acUCSTblRec.Dispose();
}
else
{
acUCSTblRec = acTrans.GetObject(acUCSTbl["New_UCS"],
OpenMode.ForWrite) as UcsTableRecord;
}
acUCSTblRec.Origin = new Point3d(4, 5, 3);
acUCSTblRec.XAxis = new Vector3d(1, 0, 0);
acUCSTblRec.YAxis = new Vector3d(0, 1, 0);
// Open the active viewport
ViewportTableRecord acVportTblRec;
acVportTblRec = acTrans.GetObject(acDoc.Editor.ActiveViewportId,
OpenMode.ForWrite) as ViewportTableRecord;
// Display the UCS Icon at the origin of the current viewport
acVportTblRec.IconAtOrigin = true;
acVportTblRec.IconEnabled = true;
// Set the UCS current
acVportTblRec.SetUcs(acUCSTblRec.ObjectId);
acDoc.Editor.UpdateTiledViewportsFromDatabase();
// Display the name of the current UCS
UcsTableRecord acUCSTblRecActive;
acUCSTblRecActive = acTrans.GetObject(acVportTblRec.UcsName,
OpenMode.ForRead) as UcsTableRecord;
Application.ShowAlertDialog("The current UCS is: " +
acUCSTblRecActive.Name);
PromptPointResult pPtRes;
PromptPointOptions pPtOpts = new PromptPointOptions("");
// Prompt for a point
pPtOpts.Message = "\nEnter a point: ";
pPtRes = acDoc.Editor.GetPoint(pPtOpts);
Point3d pPt3dWCS;
Point3d pPt3dUCS;
// If a point was entered, then translate it to the current UCS
if (pPtRes.Status == PromptStatus.OK)
{
pPt3dWCS = pPtRes.Value;
pPt3dUCS = pPtRes.Value;
// Translate the point from the current UCS to the WCS
Matrix3d newMatrix = new Matrix3d();
newMatrix = Matrix3d.AlignCoordinateSystem(Point3d.Origin,
Vector3d.XAxis,
Vector3d.YAxis,
Vector3d.ZAxis,
acVportTblRec.Ucs.Origin,
acVportTblRec.Ucs.Xaxis,
acVportTblRec.Ucs.Yaxis,
acVportTblRec.Ucs.Zaxis);
pPt3dWCS = pPt3dWCS.TransformBy(newMatrix);
Application.ShowAlertDialog("The WCS coordinates are: \n" +
pPt3dWCS.ToString() + "\n" +
"The UCS coordinates are: \n" +
pPt3dUCS.ToString());
}
// Save the new objects to the database
acTrans.Commit();
}
}
catch (System.Exception ex)
{
ed.WriteMessage("Error " + ex.Message);
}
}
private static bool SwitchUCS(Point3d cornerCoords, double textAngle)
{
// Get the current document and database
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurrDb = acDoc.Database;
Editor acEditor = acDoc.Editor;
using (Transaction acTrans = acCurrDb.TransactionManager.StartTransaction())
{
try
{
UcsTable acUCSTbl = acTrans.GetObject(acCurrDb.UcsTableId, OpenMode.ForRead) as UcsTable;
UcsTableRecord jppUCSTblRec;
// Check to see if JPP App UCS table record exists and create if not
if (acUCSTbl.Has("JPP_App_UCS") == false)
{
jppUCSTblRec = new UcsTableRecord();
jppUCSTblRec.Name = "JPP_App_UCS";
acUCSTbl.UpgradeOpen();
acUCSTbl.Add(jppUCSTblRec);
acTrans.AddNewlyCreatedDBObject(jppUCSTblRec, true);
}
else
{
jppUCSTblRec = acTrans.GetObject(acUCSTbl["JPP_App_UCS"], OpenMode.ForWrite) as UcsTableRecord;
}
jppUCSTblRec.Origin = cornerCoords;
jppUCSTblRec.XAxis = cornerCoords.GetVectorTo(new Point3d(cornerCoords.X + Math.Cos(textAngle),
cornerCoords.Y + Math.Sin(textAngle),
0.0));
jppUCSTblRec.YAxis = cornerCoords.GetVectorTo(new Point3d(cornerCoords.X - Math.Sin(textAngle),
cornerCoords.Y + Math.Cos(textAngle),
0.0));
// Open the active viewport
ViewportTableRecord acVportTblRec = acTrans.GetObject(acEditor.ActiveViewportId, OpenMode.ForWrite) as ViewportTableRecord;
// Display the UCS Icon as the origin of the current viewport
// acVportTblRec.IconAtOrigin = true;
// acVportTblRec.IconEnabled = true;
// Set the UCS current
acVportTblRec.SetUcs(jppUCSTblRec.ObjectId);
acEditor.UpdateTiledViewportsFromDatabase();
// Display the name of the current UCS
UcsTableRecord acUCSTblRecActive = acTrans.GetObject(acVportTblRec.UcsName, OpenMode.ForRead) as UcsTableRecord;
acEditor.WriteMessage("\nThe current UCS is: {0}", acUCSTblRecActive.Name);
// Save the new objects to the database
acTrans.Commit();
return(true);
}
catch (Autodesk.AutoCAD.Runtime.Exception acException)
{
Autodesk.AutoCAD.ApplicationServices.Application.ShowAlertDialog
("The following exception was caught: \n" + acException.Message
+ "\nError creating UCS!");
acTrans.Abort();
return(false);
}
}
}
