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BrepCreateEdgeSurface Method
Constructs a coons patch from 2, 3, or 4 curves.

Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll) Version: 5.1.50000.0 (5.0.20693.0)
Syntax
public static Brep CreateEdgeSurface(
	IEnumerable<Curve> curves
)

Parameters

curves
Type: System.Collections.GenericIEnumerableCurve
A list, an array or any enumerable set of curves.

Return Value

Type: Brep
resulting brep or null on failure.
Examples
using System.Linq;
using Rhino;
using Rhino.Commands;
using Rhino.DocObjects;
using Rhino.Geometry;
using Rhino.Input.Custom;

namespace examples_cs
{
  public class EdgeSrfCommand : Command
  {
    public override string EnglishName { get { return "csEdgeSrf"; } }

    protected override Result RunCommand(RhinoDoc doc, RunMode mode)
    {
      var go = new GetObject();
      go.SetCommandPrompt("Select 2, 3, or 4 open curves");
      go.GeometryFilter = ObjectType.Curve;
      go.GeometryAttributeFilter = GeometryAttributeFilter.OpenCurve;
      go.GetMultiple(2, 4);
      if (go.CommandResult() != Result.Success)
        return go.CommandResult();

      var curves = go.Objects().Select(o => o.Curve());

      var brep = Brep.CreateEdgeSurface(curves);

      if (brep != null)
      {
        doc.Objects.AddBrep(brep);
        doc.Views.Redraw();
      }

      return Result.Success;
    }
  }
}
from Rhino import *
from Rhino.Commands import *
from Rhino.DocObjects import *
from Rhino.Geometry import *
from Rhino.Input.Custom import *
from scriptcontext import doc

def RunCommand():
  go = GetObject()
  go.SetCommandPrompt("Select 2, 3, or 4 open curves")
  go.GeometryFilter = ObjectType.Curve
  go.GeometryAttributeFilter = GeometryAttributeFilter.OpenCurve
  go.GetMultiple(2, 4)
  if go.CommandResult() <> Result.Success:
    return go.CommandResult()

  curves = [o.Curve() for o in go.Objects()]

  brep = Brep.CreateEdgeSurface(curves)

  if brep <> None:
    doc.Objects.AddBrep(brep)
    doc.Views.Redraw()

  return Result.Success

if __name__ == "__main__":
  RunCommand()
See Also