protected override Result RunCommand(RhinoDoc doc, RunMode mode)
{
Rhino.DocObjects.ObjectType filter = Rhino.DocObjects.ObjectType.Mesh;
Rhino.DocObjects.ObjRef objref = null;
Rhino.Commands.Result rc = Rhino.Input.RhinoGet.GetOneObject("Select mesh to contour", false, filter, out objref);
if (rc != Rhino.Commands.Result.Success || objref == null)
{
return(rc);
}
Rhino.Geometry.Mesh mesh = objref.Geometry() as Rhino.Geometry.Mesh;
if (null == mesh)
{
return(Rhino.Commands.Result.Failure);
}
Rhino.Geometry.BoundingBox bbox = mesh.GetBoundingBox(false);
Rhino.Geometry.Point3d start_pt = bbox.Corner(true, true, true);
Rhino.Geometry.Point3d end_pt = bbox.Corner(false, true, true);
double interval = start_pt.DistanceTo(end_pt) / 10;
Rhino.Geometry.Curve[] curves = Rhino.Geometry.Mesh.CreateContourCurves(mesh, start_pt, end_pt, interval);
if (null != curves && curves.Length > 0)
{
for (int i = 0; i < curves.Length; i++)
{
doc.Objects.AddCurve(curves[i]);
}
doc.Views.Redraw();
}
return(Result.Success);
}
