/// <summary>
/// Attaches a mobile plane to a Rhino object
/// </summary>
private Result AttachOption(RhinoDoc doc, RhinoObject obj)
{
if (null == doc || null == obj)
{
return(Result.Failure);
}
var viewport_id = doc.Views.ActiveView.ActiveViewportID;
Plane plane;
var res = RhinoGet.GetPlane(out plane);
if (res != Result.Success)
{
return(res);
}
var rc = SampleCsMobilePlaneUserData.Attach(obj, plane, viewport_id);
return(rc ? Result.Success : Result.Failure);
}
// change planes radio bttns event chain
private void OnPlaneTypeChanged(object sender, EventArgs e)
{
if (radioButton5.Checked)
{
bp = Plane.WorldXY;
}
else if (radioButton6.Checked)
{
bp = Plane.WorldYZ;
}
else if (radioButton7.Checked)
{
bp = Plane.WorldZX;
}
else if (radioButton8.Checked)
{
if (RhinoGet.GetPlane(out bp) != Result.Success)
{
radioButton5.Checked = true;
MessageBox.Show("plane selection failed\ndefaulted to world XY");
}
}
}
protected override Result RunCommand(RhinoDoc doc, RunMode mode)
{
//First, collect all the breps to split
ObjRef[] obj_refs;
var rc = RhinoGet.GetMultipleObjects("Select breps to split", false, ObjectType.Brep, out obj_refs);
if (rc != Result.Success || obj_refs == null)
{
return(rc);
}
// Get the final plane
Plane plane;
rc = RhinoGet.GetPlane(out plane);
if (rc != Result.Success)
{
return(rc);
}
//Iterate over all object references
foreach (var obj_ref in obj_refs)
{
var brep = obj_ref.Brep();
var bbox = brep.GetBoundingBox(false);
//Grow the boundingbox in all directions
//If the boundingbox is flat (zero volume or even zero area)
//then the CreateThroughBox method will fail.
var min_point = bbox.Min;
min_point.X -= 1.0;
min_point.Y -= 1.0;
min_point.Z -= 1.0;
bbox.Min = min_point;
var max_point = bbox.Max;
max_point.X += 1.0;
max_point.Y += 1.0;
max_point.Z += 1.0;
bbox.Max = max_point;
var plane_surface = PlaneSurface.CreateThroughBox(plane, bbox);
if (plane_surface == null)
{
//This is rare, it will most likely not happen unless either the plane or the boundingbox are invalid
RhinoApp.WriteLine("Cutting plane could not be constructed.");
}
else
{
var breps = brep.Split(plane_surface.ToBrep(), doc.ModelAbsoluteTolerance);
if (breps == null || breps.Length == 0)
{
RhinoApp.Write("Plane does not intersect brep (id:{0})", obj_ref.ObjectId);
continue;
}
foreach (var brep_piece in breps)
{
doc.Objects.AddBrep(brep_piece);
}
doc.Objects.AddSurface(plane_surface);
doc.Objects.Delete(obj_ref, false);
}
}
doc.Views.Redraw();
return(Result.Success);
}
