Mesh.Normals Property

MeshNormals Property

Gets access to the vertex normal collection in this mesh.

Namespace:  Rhino.Geometry
Assembly:  RhinoCommon (in RhinoCommon.dll)
Since: 5.0
Syntax
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public MeshVertexNormalList Normals { get; }
Public ReadOnly Property Normals As MeshVertexNormalList
	Get

Property Value

Type: MeshVertexNormalList
Examples
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using System;

partial class Examples
{
  public static Rhino.Commands.Result AddMesh(Rhino.RhinoDoc doc)
  {
    Rhino.Geometry.Mesh mesh = new Rhino.Geometry.Mesh();
    mesh.Vertices.Add(0.0, 0.0, 1.0); //0
    mesh.Vertices.Add(1.0, 0.0, 1.0); //1
    mesh.Vertices.Add(2.0, 0.0, 1.0); //2
    mesh.Vertices.Add(3.0, 0.0, 0.0); //3
    mesh.Vertices.Add(0.0, 1.0, 1.0); //4
    mesh.Vertices.Add(1.0, 1.0, 2.0); //5
    mesh.Vertices.Add(2.0, 1.0, 1.0); //6
    mesh.Vertices.Add(3.0, 1.0, 0.0); //7
    mesh.Vertices.Add(0.0, 2.0, 1.0); //8
    mesh.Vertices.Add(1.0, 2.0, 1.0); //9
    mesh.Vertices.Add(2.0, 2.0, 1.0); //10
    mesh.Vertices.Add(3.0, 2.0, 1.0); //11

    mesh.Faces.AddFace(0, 1, 5, 4);
    mesh.Faces.AddFace(1, 2, 6, 5);
    mesh.Faces.AddFace(2, 3, 7, 6);
    mesh.Faces.AddFace(4, 5, 9, 8);
    mesh.Faces.AddFace(5, 6, 10, 9);
    mesh.Faces.AddFace(6, 7, 11, 10);
    mesh.Normals.ComputeNormals();
    mesh.Compact();
    if (doc.Objects.AddMesh(mesh) != Guid.Empty)
    {
      doc.Views.Redraw();
      return Rhino.Commands.Result.Success;
    }
    return Rhino.Commands.Result.Failure;
  }
}
Partial Class Examples
  Public Shared Function AddMesh(ByVal doc As Rhino.RhinoDoc) As Rhino.Commands.Result
    Dim mesh As New Rhino.Geometry.Mesh()
    mesh.Vertices.Add(0.0, 0.0, 1.0) '0
    mesh.Vertices.Add(1.0, 0.0, 1.0) '1
    mesh.Vertices.Add(2.0, 0.0, 1.0) '2
    mesh.Vertices.Add(3.0, 0.0, 0.0) '3
    mesh.Vertices.Add(0.0, 1.0, 1.0) '4
    mesh.Vertices.Add(1.0, 1.0, 2.0) '5
    mesh.Vertices.Add(2.0, 1.0, 1.0) '6
    mesh.Vertices.Add(3.0, 1.0, 0.0) '7
    mesh.Vertices.Add(0.0, 2.0, 1.0) '8
    mesh.Vertices.Add(1.0, 2.0, 1.0) '9
    mesh.Vertices.Add(2.0, 2.0, 1.0) '10
    mesh.Vertices.Add(3.0, 2.0, 1.0) '11
    mesh.Faces.AddFace(0, 1, 5, 4)
    mesh.Faces.AddFace(1, 2, 6, 5)
    mesh.Faces.AddFace(2, 3, 7, 6)
    mesh.Faces.AddFace(4, 5, 9, 8)
    mesh.Faces.AddFace(5, 6, 10, 9)
    mesh.Faces.AddFace(6, 7, 11, 10)
    mesh.Normals.ComputeNormals()
    mesh.Compact()
    If doc.Objects.AddMesh(mesh) <> Guid.Empty Then
      doc.Views.Redraw()
      Return Rhino.Commands.Result.Success
    End If
    Return Rhino.Commands.Result.Failure
  End Function
End Class
Python
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import Rhino
import scriptcontext
import System.Guid

def AddMesh():
    mesh = Rhino.Geometry.Mesh()
    mesh.Vertices.Add(0.0, 0.0, 1.0) #0
    mesh.Vertices.Add(1.0, 0.0, 1.0) #1
    mesh.Vertices.Add(2.0, 0.0, 1.0) #2
    mesh.Vertices.Add(3.0, 0.0, 0.0) #3
    mesh.Vertices.Add(0.0, 1.0, 1.0) #4
    mesh.Vertices.Add(1.0, 1.0, 2.0) #5
    mesh.Vertices.Add(2.0, 1.0, 1.0) #6
    mesh.Vertices.Add(3.0, 1.0, 0.0) #7
    mesh.Vertices.Add(0.0, 2.0, 1.0) #8
    mesh.Vertices.Add(1.0, 2.0, 1.0) #9
    mesh.Vertices.Add(2.0, 2.0, 1.0) #10
    mesh.Vertices.Add(3.0, 2.0, 1.0) #11

    mesh.Faces.AddFace(0, 1, 5, 4)
    mesh.Faces.AddFace(1, 2, 6, 5)
    mesh.Faces.AddFace(2, 3, 7, 6)
    mesh.Faces.AddFace(4, 5, 9, 8)
    mesh.Faces.AddFace(5, 6, 10, 9)
    mesh.Faces.AddFace(6, 7, 11, 10)
    mesh.Normals.ComputeNormals()
    mesh.Compact()
    if scriptcontext.doc.Objects.AddMesh(mesh)!=System.Guid.Empty:
        scriptcontext.doc.Views.Redraw()
        return Rhino.Commands.Result.Success
    return Rhino.Commands.Result.Failure


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

P:Rhino.Geometry.Mesh.Normals