public static int GetNumberOfPoyllineVertices(DBObject obj)
{
Polyline polyline = obj as Polyline;
if (polyline != null)
{
return(polyline.NumberOfVertices);
}
Polyline2d polyline2d = obj as Polyline2d;
if (polyline2d != null)
{
int num = 0;
foreach (ObjectId arg_40_0 in polyline2d)
{
num++;
}
return(num);
}
Polyline3d polyline3d = obj as Polyline3d;
if (polyline3d != null)
{
int num2 = 0;
//using (IEnumerator enumerator2 = polyline3d.GetEnumerator())
{
IEnumerator enumerator2 = polyline3d.GetEnumerator();
while (enumerator2.MoveNext())
{
ObjectId arg_91_0 = (ObjectId)enumerator2.Current;
num2++;
}
return(num2);
}
}
throw new ArgumentException("Invalid polyline object: " + obj.Handle.ToString() + "\nObject type: " + obj.GetType().ToString());
}
public static PointSet SubdividePolyline3d(Polyline3d p3d, Transaction trans, double d)
{
PointSet result;
try
{
PointSet pointSet = new PointSet();
if (d <= 0.0)
{
//using (IEnumerator enumerator = p3d.GetEnumerator())
{
IEnumerator enumerator = p3d.GetEnumerator();
while (enumerator.MoveNext())
{
ObjectId objectId = (ObjectId)enumerator.Current;
PolylineVertex3d polylineVertex3d = (PolylineVertex3d)trans.GetObject(objectId, (OpenMode)0);
Point point = new Point(polylineVertex3d.Position.X, polylineVertex3d.Position.Y, polylineVertex3d.Position.Z);
if (pointSet.Count > 1)
{
if (pointSet[pointSet.Count - 1] != point)
{
pointSet.Add(point);
}
}
else
{
pointSet.Add(point);
}
}
goto IL_233;
}
}
List <Point> list = new List <Point>();
foreach (ObjectId objectId2 in p3d)
{
PolylineVertex3d polylineVertex3d2 = (PolylineVertex3d)trans.GetObject(objectId2, (OpenMode)0);
list.Add(new Point(polylineVertex3d2.Position.X, polylineVertex3d2.Position.Y, polylineVertex3d2.Position.Z));
}
if (p3d.Closed)
{
list.Add(list[0]);
}
for (int i = 0; i < list.Count - 1; i++)
{
Point point2 = list[i];
Point point3 = list[i + 1];
ngeometry.VectorGeometry.Vector3d vector3d = new ngeometry.VectorGeometry.Vector3d(point3 - point2);
double num = point2.DistanceTo(point3);
double num2 = (double)((int)Math.Max(Math.Ceiling(num / d), 1.0));
double norm = num / num2;
vector3d.Norm = norm;
int num3 = 0;
while ((double)num3 < num2)
{
pointSet.Add(point2 + (double)num3 * vector3d.ToPoint());
num3++;
}
}
if (!p3d.Closed)
{
pointSet.Add(list[list.Count - 1]);
}
IL_233:
result = pointSet;
}
catch (System.Exception ex)
{
Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("Can not subdivide polyline3d (handle: " + p3d.Handle.ToString() + ")\n");
result = null;
}
return(result);
}
