/// <summary>
/// Scales the object.
/// </summary>
/// <param name="polyId">The poly identifier.</param>
public static void ScaleObject(Acaddb.ObjectId polyId)
{
try
{
MessengerManager.MessengerManager.AddLog("Start Scaling");
var offset = -0.01;
using (var acTrans = Application.DocumentManager.MdiActiveDocument
.TransactionManager.StartTransaction())
{
Acaddb.DBObject obj =
acTrans.GetObject(polyId, Acaddb.OpenMode.ForWrite);
Acaddb.Polyline polyline = obj as Acaddb.Polyline;
if (polyline != null)
{
if (polyline.Closed)
{
SendPolylineMessage("Length Info Before", polyline);
var centroid = GetCentroidOfOuterBoundary(GetPolylinePoints(polyId));
var centroid3d = new Point3d(centroid.X, centroid.Y, 0.0);
var closepnt = polyline.GetClosestPointTo(centroid3d, true);
var radius = polyline.GetDistAtPoint(closepnt);
var scaleFac = 1 + (offset / Math.Abs(radius));
polyline.TransformBy(Matrix3d.Scaling(scaleFac, new Point3d(centroid.X, centroid.Y, 0)));
SendPolylineMessage("Length Info After", polyline);
MessengerManager.MessengerManager.AddLog
(String.Format("Scale Info {0},{1},{2},{3},{4}",
centroid,
centroid3d,
closepnt,
radius,
scaleFac));
}
else
{
SendPolylineMessage("Polyline is not closed! ", polyline);
}
}
else
{
SendPolylineMessage("Polyline is NULL! ", polyline);
}
acTrans.Commit();
}
MessengerManager.MessengerManager.AddLog("End Scaling");
}
catch (Exception ex)
{
MessengerManager.MessengerManager.LogException(ex);
}
}
public static void ScaleWaterObject()
{
// Get the current document and database
try
{
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Acaddb.Database acCurDb = acDoc.Database;
var pids = GetAllPolylines();
var pidsToDelete = new Acaddb.ObjectIdCollection();
var offset = -0.001;
foreach (Acaddb.ObjectId oid in pids)
{
offset = -0.001;
using (acDoc.LockDocument())
{
using (var acTrans = Application.DocumentManager.MdiActiveDocument
.TransactionManager.StartTransaction())
{
Acaddb.DBObject obj =
acTrans.GetObject(oid, Acaddb.OpenMode.ForWrite);
Acaddb.Polyline polyline = obj as Acaddb.Polyline;
if (polyline != null)
{
if (polyline.Closed)
{
if (polyline.Layer != "OWA")
{
continue;
}
var centroid = GetCentroidOfOuterBoundary(GetPolylinePoints(oid));
var centroid3d = new Point3d(centroid.X, centroid.Y, 0.0);
var closepnt = polyline.GetClosestPointTo(centroid3d, true);
var radius = polyline.GetDistAtPoint(closepnt);
var scaleFac = 1 + offset / Math.Abs(radius);
polyline.TransformBy(Matrix3d.Scaling(scaleFac,
new Point3d(centroid.X, centroid.Y, 0)));
}
}
acTrans.Commit();
}
}
}
}
catch (Exception ex)
{
MessengerManager.MessengerManager.LogException(ex);
}
}
public static Acaddb.ObjectId ScaleNewPolylineObject(Point2dCollection points)
{
var offset = -0.001;
var newoid = Acaddb.ObjectId.Null;
var doc = Active.Document;
try
{
// Get the current document and database
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Acaddb.Database acCurDb = acDoc.Database;
using (acDoc.LockDocument())
{
// Start a transaction
using (Acaddb.Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
{
// Open the Block table for read
Acaddb.BlockTable acBlkTbl;
acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId,
Acaddb.OpenMode.ForRead) as Acaddb.BlockTable;
// Open the Block table record Model space for write
Acaddb.BlockTableRecord acBlkTblRec;
acBlkTblRec = acTrans.GetObject(acBlkTbl[Acaddb.BlockTableRecord.ModelSpace],
Acaddb.OpenMode.ForWrite) as Acaddb.BlockTableRecord;
// Create a lightweight polyline
using (Acaddb.Polyline acPoly = new Acaddb.Polyline())
{
int i = 0;
foreach (Point2d pnt in points)
{
acPoly.AddVertexAt(i++, pnt, 0, 0, 0);
}
// Close the polyline
acPoly.Closed = true;
SendPolylineMessage("Length Info Before", acPoly);
var centroid = GetCentroidOfOuterBoundary(points);
var centroid3d = new Point3d(centroid.X, centroid.Y, 0.0);
var closepnt = acPoly.GetClosestPointTo(centroid3d, true);
var radius = acPoly.GetDistAtPoint(closepnt);
var scaleFac = 1 + (offset / Math.Abs(radius));
acPoly.TransformBy(Matrix3d.Scaling(scaleFac, new Point3d(centroid.X, centroid.Y, 0)));
SendPolylineMessage("Length Info After", acPoly);
// Add the new object to the block table record and the transaction
newoid = acBlkTblRec.AppendEntity(acPoly);
acTrans.AddNewlyCreatedDBObject(acPoly, true);
// Save the new objects to the database
acTrans.Commit();
}
}
}
}
catch (Exception ex)
{
MessengerManager.MessengerManager.LogException(ex);
}
return(newoid);
}
