private void DrawGear(Point3d BasePoint, double gearModule, int gearTeethCount)
{
Point3d oldBase = BasePoint;
BasePoint = new Point3d(0, 0, 0);
Vector3d mov = new Vector3d(oldBase.X, oldBase.Y, oldBase.Z);
mov = mov.TransformBy(_editorHelper.CurrentUcs);
double rp = (gearModule * gearTeethCount) / 2; // Primitive radius = (gearModule * gearTeethCount) / 2
//double gamma = Math.PI * gearModule / (2 * rp);
double rrc = rp - 1.2 * gearModule; // Roor Radius
double rr = rrc; // Roor Radius
double rb = rp - gearModule; // Base Radius
double re = rp + gearModule; // External Radius
using (Transaction tr = _db.TransactionManager.StartTransaction())
{
BlockTable bt = (BlockTable)tr.GetObject(_db.BlockTableId, OpenMode.ForWrite);
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
BlockTableRecord Gear = new BlockTableRecord();
string nameSalt = DateTime.Now.GetHashCode().ToString();
Gear.Name = "Gear" + nameSalt;
Gear.Origin = BasePoint;
bt.Add(Gear);
tr.AddNewlyCreatedDBObject(Gear, true);
ObjectId Layer20 = _drawingHelper.LayerManipulator.CreateLayer("2-0", System.Drawing.Color.Yellow);
ObjectId Layer32 = _drawingHelper.LayerManipulator.CreateLayer("3-2", System.Drawing.Color.Lime);
Circle RbCircle = new Circle(BasePoint, Vector3d.ZAxis, rb);
Circle RrCircle = new Circle(BasePoint, Vector3d.ZAxis, rr);
Circle RpCircle = new Circle(BasePoint, Vector3d.ZAxis, rp);
Circle ReCircle = new Circle(BasePoint, Vector3d.ZAxis, re);
RbCircle.SetLayerId(Layer20, false);
RrCircle.SetLayerId(Layer20, false);
RpCircle.SetLayerId(Layer32, false);
ReCircle.SetLayerId(Layer20, false);
Gear.AppendEntity(RbCircle);
Gear.AppendEntity(RrCircle);
Gear.AppendEntity(RpCircle);
Gear.AppendEntity(ReCircle);
Polyline3d GearPolyLine = GetGearPolyline(BasePoint, gearModule, gearTeethCount);
GearPolyLine.SetLayerId(Layer20, false);
Gear.AppendEntity(GearPolyLine);
tr.AddNewlyCreatedDBObject(RbCircle, true);
tr.AddNewlyCreatedDBObject(RrCircle, true);
tr.AddNewlyCreatedDBObject(RpCircle, true);
tr.AddNewlyCreatedDBObject(ReCircle, true);
tr.AddNewlyCreatedDBObject(GearPolyLine, true);
BlockReference GearRef = new BlockReference(BasePoint, Gear.ObjectId);
GearRef.Position = BasePoint;
GearRef.TransformBy(_editorHelper.CurrentUcs);
GearRef.TransformBy(Matrix3d.Displacement(mov));
BlockTableRecord currSpace = (BlockTableRecord)tr.GetObject(_db.CurrentSpaceId, OpenMode.ForWrite);
currSpace.AppendEntity(GearRef);
tr.AddNewlyCreatedDBObject(GearRef, true);
tr.Commit();
}
}
private void DrawRack(Point3d BasePoint, double gearModule, int gearTeethCount)
{
Point3d oldBase = BasePoint;
BasePoint = new Point3d(0, 0, 0);
Vector3d mov = new Vector3d(oldBase.X, oldBase.Y, oldBase.Z);
mov = mov.TransformBy(_editorHelper.CurrentUcs);
double toothAngle = 70.0;
double angle1 = Math.Sin(20.0 * (Math.PI / 180.0));
double angle2 = Math.Cos(20.0 * (Math.PI / 180.0));
double toothHead = gearModule * (Math.PI / 2) - ((angle1 * 2) * (1 / angle2));
double toothValley = gearModule * (Math.PI / 2) - ((angle1 * 2.4) * (1 / angle2));
double toothLenght = gearModule * 2.2 / angle2;
double toothLenght2 = gearModule * gearTeethCount * Math.PI;
Polyline rackBasePoly = new Polyline();
rackBasePoly.AddVertexAt(0, new Point2d(BasePoint.X, BasePoint.Y + 1.2 * gearModule), 0.0, 0.0, 0.0);
rackBasePoly.AddVertexAt(1, new Point2d(BasePoint.X + toothLenght2, BasePoint.Y + 1.2 * gearModule), 0.0, 0.0, 0.0);
Polyline3d rackGearPoly = new Polyline3d();
rackGearPoly = GetRackGearPoly(BasePoint, toothLenght, toothHead, toothValley, toothAngle, gearTeethCount);
#region Transaction - set the layers and insert the created polylines in the DWG
Transaction tr = _db.TransactionManager.StartTransaction();
using (tr)
{
BlockTable bt = (BlockTable)tr.GetObject(_db.BlockTableId, OpenMode.ForWrite);
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
BlockTableRecord GearRack = new BlockTableRecord();
string nameSalt = DateTime.Now.GetHashCode().ToString();
GearRack.Name = "GearRack" + nameSalt;
GearRack.Origin = BasePoint;
bt.Add(GearRack);
tr.AddNewlyCreatedDBObject(GearRack, true);
ObjectId Layer20 = _drawingHelper.LayerManipulator.CreateLayer("2-0", System.Drawing.Color.Yellow);
ObjectId Layer32 = _drawingHelper.LayerManipulator.CreateLayer("3-2", System.Drawing.Color.Lime);
rackGearPoly.SetLayerId(Layer20, false);
rackBasePoly.SetLayerId(Layer32, false);
GearRack.AppendEntity(rackGearPoly);
GearRack.AppendEntity(rackBasePoly);
tr.AddNewlyCreatedDBObject(rackGearPoly, true);
tr.AddNewlyCreatedDBObject(rackBasePoly, true);
BlockReference GearRackRef = new BlockReference(BasePoint, GearRack.ObjectId);
GearRackRef.Position = BasePoint;
GearRackRef.TransformBy(_editorHelper.CurrentUcs);
GearRackRef.TransformBy(Matrix3d.Displacement(mov));
BlockTableRecord currSpace = (BlockTableRecord)tr.GetObject(_db.CurrentSpaceId, OpenMode.ForWrite);
currSpace.AppendEntity(GearRackRef);
tr.AddNewlyCreatedDBObject(GearRackRef, true);
tr.Commit();
}
#endregion
}
