public override Point3F GetInitialCutPoint()
{
if (_toolpaths.Count == 0)
{
return(Point3F.Undefined);
}
Toolpath tp0 = _toolpaths[0];
if (tp0.Leadin != null)
{
return(new Point3F(tp0.Leadin.FirstPoint.X, tp0.Leadin.FirstPoint.Y, tp0.Leadin.FirstPoint.Z + tp0.Bottom));
}
if (tp0.Trajectory.Count == 0)
{
return(Point3F.Undefined);
}
Sliced_path_item ppi = tp0.Trajectory[0];
if (ppi.Points.Count == 0)
{
return(Point3F.Undefined);
}
Point3F pt = ppi.Points[0].Point;
return(new Point3F(pt.X, pt.Y, tp0.Bottom));
}
private Polyline gen_leadin(Toolpath path)
{
Sliced_path_item spiral = path.Trajectory[0];
if (spiral.Item_type != Sliced_path_item_type.SPIRAL)
{
throw new Exception("no spiral in sliced path");
}
Vector2F start_normal = Vector2F.Undefined;
if (path.Trajectory.Extension != null && path.Trajectory.Extension is Traj_metainfo)
{
Traj_metainfo meta = (Traj_metainfo)path.Trajectory.Extension;
start_normal = meta.Start_normal;
}
LeadMoveInfo move = _leadin.Cached;
Polyline p = move.GetLeadInToolPath(spiral,
spiral.Direction,
start_normal,
base.PlungeFeedrate.Cached,
base.CutFeedrate.Cached,
base.StockSurface.Cached,
_depth_increment.Cached,
path.Bottom,
move.ValidSpiralAngle, path.Top - path.Bottom);
return(p);
}
