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SampleCsDuplicateBorder.cs
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SampleCsDuplicateBorder.cs
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using System.Collections.Generic;
using Rhino;
using Rhino.Commands;
using Rhino.DocObjects;
using Rhino.Input;
using Rhino.Geometry;
namespace SampleCsCommands
{
[System.Runtime.InteropServices.Guid("f34abe7d-050c-4067-8548-2f449670e0d6")]
public class SampleCsDuplicateBorder : Command
{
public override string EnglishName
{
get { return "SampleCsDuplicateBorder"; }
}
protected override Result RunCommand(RhinoDoc doc, RunMode mode)
{
var filter = ObjectType.Surface | ObjectType.PolysrfFilter;
ObjRef objref;
var rc = RhinoGet.GetOneObject("Select surface or polysurface", false, filter, out objref);
if (rc != Result.Success || objref == null)
return rc;
var rhobj = objref.Object();
var brep = objref.Brep();
if (rhobj == null || brep == null)
return Result.Failure;
rhobj.Select(false);
var curves = new List<Curve>();
foreach (var edge in brep.Edges)
{
// Find only the naked edges
if (edge.Valence == EdgeAdjacency.Naked)
{
var crv = edge.DuplicateCurve();
if (crv.IsLinear())
crv = new LineCurve(crv.PointAtStart, crv.PointAtEnd);
curves.Add(crv);
}
}
var tol = 2.1 * doc.ModelAbsoluteTolerance;
var output = Curve.JoinCurves(curves, tol);
for (var i = 0; i < output.Length; i++)
{
var id = doc.Objects.AddCurve(output[i]);
doc.Objects.Select(id);
}
doc.Views.Redraw();
return Result.Success;
}
}
}