/// <summary>
/// Gets the polyline points.
/// </summary>
/// <param name="poid">The poid.</param>
/// <returns>Point2dCollection.</returns>
private static Point2dCollection GetPolylinePoints(Acaddb.ObjectId poid)
{
Point2dCollection points;
using (Acaddb.Transaction tr = Active.StartTransaction())
{
points = new Point2dCollection();
Acaddb.DBObject obj =
tr.GetObject(poid, Acaddb.OpenMode.ForRead);
Acaddb.Polyline lwp = obj as Acaddb.Polyline;
if (lwp != null)
{
if (lwp.Closed)
{
int vn = lwp.NumberOfVertices;
for (int i = 0; i < vn; i++)
{
Point2d pt = lwp.GetPoint2dAt(i);
points.Add(pt);
}
}
}
}
return(points);
}
/// <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);
}
}
/// <summary>
/// Gets the polyline.
/// </summary>
/// <param name="poid">The poid.</param>
/// <returns>Acaddb.Polyline.</returns>
private static Acaddb.Polyline GetPolyline(Acaddb.ObjectId poid)
{
using (Acaddb.Transaction tr = Active.StartTransaction())
{
Acaddb.DBObject obj =
tr.GetObject(poid, Acaddb.OpenMode.ForRead);
Acaddb.Polyline lwp = obj as Acaddb.Polyline;
if (lwp != null)
{
if (lwp.Closed)
{
return(lwp);
}
}
}
return(null);
}