internal Dyn.Mesh ToDynamoMesh(sMesh sm, out List <Color> vcols)
{
List <Dyn.Point> pts = new List <Autodesk.DesignScript.Geometry.Point>();
List <Dyn.IndexGroup> indice = new List <Autodesk.DesignScript.Geometry.IndexGroup>();
List <Color> cols = new List <Color>();
for (int i = 0; i < sm.vertices.Count; ++i)
{
pts.Add(ToDynamoPoint(sm.vertices[i].location));
if (sm.vertices[i].color != null)
{
cols.Add(sm.vertices[i].color.ToWinColor());
}
}
for (int i = 0; i < sm.faces.Count; ++i)
{
Dyn.IndexGroup faceIDs = Dyn.IndexGroup.ByIndices((uint)sm.faces[i].A, (uint)sm.faces[i].B, (uint)sm.faces[i].C);
indice.Add(faceIDs);
}
vcols = cols;
return(Dyn.Mesh.ByPointsFaceIndices(pts, indice));
}
public static Dictionary <string, object> Draw(hMember member)
{
Geo.Point OP1 = member._webAxis.StartPoint;
Geo.Point OP2 = member._webAxis.EndPoint;
Geo.Vector webAxis = Geo.Vector.ByTwoPoints(OP1, OP2);
Geo.Vector normal = member._webNormal;
Geo.Vector lateral = webAxis.Cross(normal);
lateral = lateral.Normalized();
lateral = lateral.Scale(1.75);
normal = normal.Normalized();
normal = normal.Scale(1.5);
Geo.Vector lateralR = Geo.Vector.ByCoordinates(lateral.X * -1, lateral.Y * -1, lateral.Z * -1);
Geo.Point p0 = OP1.Add(normal.Add(lateral));
Geo.Point p1 = OP2.Add(normal.Add(lateral));
Geo.Point p2 = OP1.Add(lateral);
Geo.Point p3 = OP2.Add(lateral);
Geo.Point p6 = OP1.Add(normal.Add(lateralR));
Geo.Point p7 = OP2.Add(normal.Add(lateralR));
Geo.Point p4 = OP1.Add(lateralR);
Geo.Point p5 = OP2.Add(lateralR);
Geo.Point[] pts = { p0, p1, p2, p1, p2, p3, p2, p3, p4, p3, p4, p5, p4, p5, p6, p5, p6, p7 };
Geo.IndexGroup g0 = Geo.IndexGroup.ByIndices(0, 1, 2);
Geo.IndexGroup g1 = Geo.IndexGroup.ByIndices(3, 4, 5);
Geo.IndexGroup g2 = Geo.IndexGroup.ByIndices(6, 7, 8);
Geo.IndexGroup g3 = Geo.IndexGroup.ByIndices(9, 10, 11);
Geo.IndexGroup g4 = Geo.IndexGroup.ByIndices(12, 13, 14);
Geo.IndexGroup g5 = Geo.IndexGroup.ByIndices(15, 16, 17);
Geo.IndexGroup[] ig = { g0, g1, g2, g3, g4, g5 };
Geo.Mesh mesh = Geo.Mesh.ByPointsFaceIndices(pts, ig);
var points = new List <Geo.Point>();
foreach (hOperation op in member.operations)
{
points.Add(member._webAxis.PointAtParameter(op._loc / member._webAxis.Length));
}
return(new Dictionary <string, object>
{
{ "member", mesh },
{ "operations", points }
});
}
/// <summary>
/// This is another private method, so Dynamo won't show it when it loads the library as a Zero Touch plugin.
/// This method takes an Autodesk.Revit.DB.Solid from the Revit element and tessellates it to get an
/// Autodesk.Revit.DB.Mesh from it. This mesh is then converted using the Revit.GeometryConversion referance
/// to go from the Autodesk.Revit.DB.Mesh to an Autodesk.DesignScript.Geometry.Mesh.
/// </summary>
/// <param name="solid">Autodesk.Revit.DB.Solid geometry object to mesh.</param>
/// <returns>An Autodesk.DesignScript.Geometry.Mesh from the solid.</returns>
private static dsGeo.Mesh SolidToMesh(Solid solid)
{
dsGeo.Mesh mesh = null;
// Each face of a solid is tessellated separately into a unique mesh, so we first
// Collect all of the meshes that represent a solid's face.
List <dsGeo.Mesh> unjoinedMeshes = new List <dsGeo.Mesh>();
foreach (Face f in solid.Faces)
{
// call the Triangulate method for the Autodesk.Revit.DB.Face
Mesh rMesh = f.Triangulate();
// Use Revit.GeometryConversion.RevitToProtoMesh.ToProtoType method to convert the
// Autodesk.Revit.DB.Mesh to an Autodesk.DesignScript.Geometry.Mesh
dsGeo.Mesh dMesh = RevitToProtoMesh.ToProtoType(rMesh, true);
unjoinedMeshes.Add(dMesh);
}
// Join meshes
if (unjoinedMeshes.Count == 1)
{
mesh = unjoinedMeshes[0];
}
else
{
// Join all of the meshes into a single mesh representing the input solid.
List <dsGeo.Point> vertices = new List <dsGeo.Point>();
List <dsGeo.IndexGroup> indexGroups = new List <dsGeo.IndexGroup>();
foreach (dsGeo.Mesh m in unjoinedMeshes)
{
if (m == null)
{
continue;
}
// A count of the verticies that exist at the start of adding the current mesh.
// This is the base index for specifying the vertex index for each mesh face.
int baseCount = vertices.Count;
// Then add the vertices of this current mesh to the list.
vertices.AddRange(m.VertexPositions);
// Build the Mesh Faces (Autodesk.DesignScript.Geometry.IndexGroup) for this mesh and add it to
// the list of Autodesk.DesignScript.Geometry.IndexGroups.
foreach (dsGeo.IndexGroup ig in m.FaceIndices)
{
// Three vertices for the face
if (ig.Count == 3)
{
// The current meshes vertex indices starts at 0, but the new one will start at baseCount.
dsGeo.IndexGroup iGroup = dsGeo.IndexGroup.ByIndices((uint)(ig.A + baseCount), (uint)(ig.B + baseCount), (uint)(ig.C + baseCount));
indexGroups.Add(iGroup);
}
// Four vertices for the face.
else
{
// The current meshes vertex indices starts at 0, but the new one will start at baseCount.
dsGeo.IndexGroup iGroup = dsGeo.IndexGroup.ByIndices((uint)(ig.A + baseCount), (uint)(ig.B + baseCount), (uint)(ig.C + baseCount), (uint)(ig.D + baseCount));
indexGroups.Add(iGroup);
}
}
}
// Create a new Autodesk.DesignScript.Geometry.Mesh based on the new list of Vertices and IndexGroups (mesh faces)
dsGeo.Mesh joinedMesh = dsGeo.Mesh.ByPointsFaceIndices(vertices, indexGroups);
if (joinedMesh != null)
{
mesh = joinedMesh;
}
}
return(mesh);
}
