public override void OnDraw(GeometryBuilder dc)
{
dc.Clear();
dc.Color = McDbEntity.ByObject;
dc.DrawCircle(_basePnt, _radius);
dc.DrawCircle(_basePnt, _radius / 2.0);
dc.TextHeight = 31;
dc.DrawMText(_basePnt, Vector3d.XAxis, _predText, HorizTextAlign.Center, VertTextAlign.Center, _radius / 2.05);
}
public override void OnDraw(GeometryBuilder dc)
{
dc.Clear();
dc.Color = McDbEntity.ByObject;//color will be taken from object properties and object will be redrawn after color change
if (V_true == 0)
{
double pos_thickness = Thickness < 0 ? Thickness * -1 : Thickness;
if (pos_thickness < 3)
{
V = 16;
}
else if (pos_thickness == 3)
{
V = 20;
}
else if (pos_thickness == 4)
{
V = 35;
}
else if (pos_thickness > 4)
{
V = 50;
}
}
else
{
V = V_true;
}
Polyline3d polyround = new Polyline3d(poly);
_length_sum = 0;
//HostMgd.EditorInput.Editor ed = HostMgd.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
for (int i = 2; i < polyround.Vertices.Count; i += 2)
{
//double angle1 = Math.Atan2(polyround.Vertices[i - 2].Point.X - polyround.Vertices[i - 1].Point.X, polyround.Vertices[i - 2].Point.Y - polyround.Vertices[i - 1].Point.Y);
//double angle2 = Math.Atan2(polyround.Vertices[i - 1].Point.X - polyround.Vertices[i].Point.X, polyround.Vertices[i - 1].Point.Y - polyround.Vertices[i].Point.Y);
double anglesum = (polyround.Vertices[i - 1].Point.X - polyround.Vertices[i].Point.X) * (polyround.Vertices[i - 2].Point.Y - polyround.Vertices[i].Point.Y) - (polyround.Vertices[i - 1].Point.Y - polyround.Vertices[i].Point.Y) * (polyround.Vertices[i - 2].Point.X - polyround.Vertices[i].Point.X);//Math.Atan((angle2 - angle1) / (1 + angle2 * angle1));//angle1 + angle2
double a = polyround.Vertices[i - 2].Point.DistanceTo(polyround.Vertices[i - 1].Point);
double b = polyround.Vertices[i - 1].Point.DistanceTo(polyround.Vertices[i].Point);
double c = polyround.Vertices[i - 2].Point.DistanceTo(polyround.Vertices[i].Point);
double angle = Math.Acos((Math.Pow(a, 2) + Math.Pow(b, 2) - Math.Pow(c, 2)) / (2 * a * b));
angle = angle * 180 / Math.PI;
double r = V * 0.16;
double pos_thickness = Thickness < 0 ? Thickness * -1 : Thickness;
double BA = Math.PI / 180 * (180 - angle) * (r + k_factor * pos_thickness);
_length_sum += BA;
double radius;
if (anglesum < 0)
{
radius = V * 0.16;
}
else
{
radius = V * 0.16 + Thickness;
}
if (Thickness < 0)
{
radius += Thickness * -1;
}
polyround.Vertices.MakeFilletAtVertex(i - 1, radius);
}
for (int i = 0; i < polyround.Vertices.Count; i += 2)
{
LineSeg3d line = polyround.Segments[i] as LineSeg3d;
_length_sum += line.Length;
}
_length_sum = Math.Round(_length_sum, 4);
Polyline3d offset = polyround.GetTrimmedOffset(-Thickness)[0];
dc.DrawPolyline(polyround);
dc.DrawPolyline(offset);
dc.DrawLine(polyround.Points.FirstPoint, offset.Points.FirstPoint);
dc.DrawLine(polyround.Points.LastPoint, offset.Points.LastPoint);
Polyline3d middlePoly = polyround.GetTrimmedOffset(-Thickness * (Thickness < 0 ? 1 - k_factor : k_factor))[0];
dc.TextHeight = 2.5 * DbEntity.Scale; //Use annotation scale
dc.DrawMText(_textPoint, Vector3d.XAxis, Math.Round(_length_sum, 1).ToString(), HorizTextAlign.Center, VertTextAlign.Center);
dc.StrLineType = "Center";
dc.Color = Color.Yellow;
dc.LinetypeScale = DbEntity.LinetypeScale * 0.3;
dc.DrawPolyline(middlePoly);
}