public void CanCreateFromRhinoMesh()
{
// 1. get/create rhino mesh
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();
// 2. call BmMesh(Mesh) constructor
Mesh polymesh = new Mesh(mesh);
// 3. compare number of vertex/face elements
// 4. compare number of halfedges against no. required for no. faces
}
public override bool CastFrom(object source)
{
if (source == null)
{
return(false);
}
// Cast from Buckminster.Mesh
if (typeof(Mesh).IsAssignableFrom(source.GetType()))
{
Value = (Mesh)source;
return(true);
}
// Cast from Rhino.Geometry.Mesh
Rhino.Geometry.Mesh mesh = null;
if (GH_Convert.ToMesh(source, ref mesh, GH_Conversion.Primary))
{
Value = new Mesh(mesh);
return(true);
}
// Ah well, at least we tried...
return(false);
}
public override bool CastFrom(object source)
{
if (source == null)
{
return(false);
}
// Cast from Molecular
if (typeof(Molecular).IsAssignableFrom(source.GetType()))
{
Value = (Molecular)source;
return(true);
}
// Cast from Buckminster.Mesh
if (typeof(Mesh).IsAssignableFrom(source.GetType()))
{
Value = ((Mesh)source).ToMolecular();
return(true);
}
// Cast from GH_GeometricGoo<Buckminster.Mesh>
if (typeof(MeshGoo).IsAssignableFrom(source.GetType()))
{
var target = (MeshGoo)source;
Value = target.Value.ToMolecular();
return(true);
}
// Cast from Rhino.Geometry.Mesh
Rhino.Geometry.Mesh rmesh = null;
if (GH_Convert.ToMesh(source, ref rmesh, GH_Conversion.Primary))
{
var target = new Molecular(rmesh.Vertices.Count);
// add nodes
foreach (var pt in rmesh.TopologyVertices)
{
target.Add(pt.X, pt.Y, pt.Z);
}
// add bars (use edges from mesh)
for (int i = 0; i < rmesh.TopologyEdges.Count; i++)
{
var edge = rmesh.TopologyEdges.GetTopologyVertices(i);
target.Add(edge.I, edge.J);
}
Value = target;
return(true);
}
// Ah well, at least we tried...
return(false);
}