Override BakingGeometry()

Grasshopper
,
1

Hi, lately I been trying to create a custom Leader using the C# component in grasshopper. I I been trying to bake the geometry but Im not sure how to override the BakeGeometry Method. I was wondering if someone could guide me on how to do it…I have attached the example file I been using…Thanks!!! Leader_example.gh (5.2 KB)

1 Like
2

You can simply use ObjectTable.AddLeader method:
Leader01

private void RunScript(List<Point3d> points, string text, double height, bool bake)
{
  leader = Leader.CreateWithRichText(text, Plane.WorldXY, RhinoDocument.DimStyles[0], points.ToArray());
  leader.TextHeight = height;
  if (bake)
    RhinoDocument.Objects.AddLeader(leader);
}
// <Custom additional code> 
private Leader leader;
public override BoundingBox ClippingBox
{
  get
  {
    return leader.GetBoundingBox(true);
  }
}
public override void DrawViewportMeshes(IGH_PreviewArgs args)
{
  args.Display.DrawAnnotation(leader, Color.White);
}

Leader01.gh (6.8 KB)
Or you can create your own custom bakeable Goo:
Leader02

private void RunScript(List<Point3d> points, string text, double height, ref object A)
{
  leader = Leader.CreateWithRichText(text, Plane.WorldXY, RhinoDocument.DimStyles[0], points.ToArray());
  leader.TextHeight = height;
  A = new LeaderGoo(leader);
}
 // <Custom additional code> 
private Leader leader;
public override BoundingBox ClippingBox
{
  get
  {
    return leader.GetBoundingBox(true);
  }
}
public override void DrawViewportMeshes(IGH_PreviewArgs args)
{
  args.Display.DrawAnnotation(this.leader, Color.White);
}
public class LeaderGoo : GH_Goo<Leader>, IGH_BakeAwareData
{
  public LeaderGoo(Leader leader) : base(leader) { }
  public override IGH_Goo Duplicate()
  {
    return new LeaderGoo(Value);
  }
  public override bool IsValid
  {
    get { return Value.IsValid; }
  }
  public override string ToString()
  {
    return "Bakeable leader";
  }
  public override string TypeDescription
  {
    get { return "Leader for baking purposes."; }
  }
  public override string TypeName
  {
    get { return "LeaderGoo"; }
  }
  bool IGH_BakeAwareData.BakeGeometry(RhinoDoc doc, ObjectAttributes att, out Guid objGuid)
  {
    objGuid = Guid.Empty;
    var leader = Value;
    if (!leader.IsValid) return false;
    if (att == null)
      att = doc.CreateDefaultAttributes();
    doc.Objects.AddLeader(leader, att);
    return true;
  }
}

Leader02.gh (4.8 KB)

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