/// <summary>
/// Computes the barycentric dual area around a given mesh vertex.
/// </summary>
/// <returns>The dual area.</returns>
/// <param name="vertex">Vertex.</param>
public static double BarycentricDualArea(MeshVertex vertex)
{
var area = 0.0;
foreach (var f in vertex.AdjacentFaces())
{
area += Area(f);
}
return(area);
}
/// <summary>
/// Computes the equally weighted normal around the specified vertex.
/// </summary>
/// <returns>The normal vector at that vertex.</returns>
/// <param name="vertex">Vertex.</param>
public static Vector3d VertexNormalEquallyWeighted(MeshVertex vertex)
{
var n = new Vector3d();
foreach (var f in vertex.AdjacentFaces())
{
n += FaceNormal(f);
}
return(n.Unit());
}
/// <summary>
/// Computes the area weighted normal around the specified vertex.
/// </summary>
/// <returns>The normal vector at that vertex.</returns>
/// <param name="vertex">Vertex.</param>
public static Vector3d VertexNormalAreaWeighted(MeshVertex vertex)
{
var n = new Vector3d();
foreach (var f in vertex.AdjacentFaces())
{
var normal = FaceNormal(f);
var area = Area(f);
n += normal * area;
}
return(n.Unit());
}
