private void RedrawCables(ScreenRectangle localScreenView)
{
try
{
_lockCr.EnterReadLock();
if (_rCableTree.NodeCount == 0)
{
return;
}
var res = _rCableTree.Query(localScreenView);
foreach (var node in res)
{
var row = (MapDb.CablesRow)node.Row;
var cabRect = new CoordinateRectangle(row.Longitude1, row.Latitude1, row.Longitude2, row.Latitude2);
var rect = cabRect.GetScreenRect(localScreenView);
DrawLine(rect, 2, Color.Blue);
if (Level >= 14)
{
var caption = row.Caption;
if (!String.IsNullOrEmpty(caption))
{
var coordinate = cabRect.LineMiddlePoint;
var point = coordinate.GetScreenPoint(localScreenView);
DrawString(caption, HalfVertexSize.Height, Point.Add(point, HalfVertexSize));
}
}
}
}
catch (Exception ex)
{
//do nothing
System.Diagnostics.Trace.WriteLine(ex.Message);
}
finally
{
_lockCr.ExitReadLock();
}
}
