/// <summary>
/// Finds the cell a point is in relative to an edge
/// The cell is part of the list of cells the edge is connected to.
/// </summary>
/// <param name="position">new vertex position</param>
/// <returns>the cell the point is in</returns>
public PFCell PointInCell(Point3d position)
{
// get all faces containing the edge
// create dictionary with face normals pairs for each cell
// see if vector from vert to point has the same direction as all the normals of those faces
// if yes break
var cellDihedrals = new Dictionary <PFCell, HashSet <Vector3d> >();
//new Dictionary<PFCell, HashSet<Vector3d>>();
foreach (var face in Faces)
{
if (cellDihedrals.TryGetValue(face.Cell, out HashSet <Vector3d> dihedral))
{
dihedral.Add(face.Normal);
}
else
{
cellDihedrals[face.Cell] = new HashSet <Vector3d> {
face.Normal
};
}
}
PFCell result = new PFCell();
foreach (var keyValue in cellDihedrals)
{
if (Util.InsideHedra(Vertices[0].Point, position, keyValue.Value.ToList()))
{
result = keyValue.Key;
break;
}
}
return(result);
}
/// <summary>
/// Finds the cell some vertex moved into.
/// The cell is part of the list of cells the vertex is connected to.
/// </summary>
/// <param name="position">new vertex position</param>
/// <returns>the cell the vertex moves into</returns>
public PFCell PointInCell(Point3d position)
{
// get all cells containing the vert
// get all faces from cell containing the vert
// see if vector from vert to point has the same direction as all the normals of those faces
// if yes break
if (Cells.Count == 0)
{
PopulateVertexCells();
}
var cellTrihedrals = Cells.ToDictionary(cell => cell, cell => new HashSet <Vector3d>());
//new Dictionary<PFCell, HashSet<Vector3d>>();
foreach (var face in Faces)
{
cellTrihedrals[face.Cell].Add(face.Normal);
}
PFCell result = new PFCell();
foreach (var keyValue in cellTrihedrals)
{
if (!keyValue.Key.Exterior)
{
if (Util.InsideHedra(Point, position, keyValue.Value.ToList()))
{
result = keyValue.Key;
break;
}
}
}
return(result);
}
/// <summary>
/// This deserializes a whole foam object from a Json string.
/// Since it only looks at a singular object the dual cannot be deserialized here.
/// Instead placeholder object will be used in the properties for the dual.
///
/// </summary>
/// <param name="jsonFoam"></param>
/// <returns></returns>
public static PFoam DeserializeFoam(string jsonFoam)
{
if (jsonFoam == "")
{
return(new PFoam());
}
// get the foam dict
JavaScriptSerializer json = new JavaScriptSerializer();
json.MaxJsonLength = 2147483647;
var foamPropDict = json.Deserialize <Dictionary <string, object> >(jsonFoam);
// create the foam and add its ID
PFoam foam = new PFoam()
{
Id = (string)foamPropDict["Id"]
};
// extract the vertices dictionary and partially extract the vertices into the foam
// create dicts for all properties that cannot be deserialized directly into the object.
// also a new dict (Id, vertex)
var vertObjDict = foamPropDict["Vertices"] as Dictionary <string, object>;
var vertDict = new Dictionary <int, PFVertex>();
var vertEdgesId = new Dictionary <PFVertex, List <int> >();
var vertFacesId = new Dictionary <PFVertex, List <int> >();
var vertCellsId = new Dictionary <PFVertex, List <int> >();
// since there is no real object from another foam to deserialize as dual
// a place holder object is to be replaced as soon as the dual is available
// var vertDualId = new Dictionary<PFVertex, int>();
foreach (var vertKeyVal in vertObjDict)
{
var vertPropDict = vertKeyVal.Value as Dictionary <string, object>;
PFVertex vert = new PFVertex();
vert.Id = (int)vertPropDict["Id"];
//Dictionary<string, double> coordList = vertPropDict["Point"] as Dictionary<string, double>;
vert.Point = PointFromDict(vertPropDict["Point"] as Dictionary <string, object>);
vert.External = (bool)vertPropDict["External"];
// this will make new versions compatible with older data json strings
if (vertPropDict.ContainsKey("SupportGuid"))
{
vert.SupportGuid = Guid.Parse(vertPropDict["SupportGuid"] as string); // this will throw an exception if there is no guid
vert.InfluenceCoef = Convert.ToDouble(vertPropDict["InfluenceCoef"]); // idem
vert.Fixed = (bool)vertPropDict["Fixed"]; // idem
vert.OnGeo = (bool)vertPropDict["OnGeo"];
if (vert.SupportGuid != Guid.Empty) // now try and find the object in the document
{
var restrGeo = Rhino.RhinoDoc.ActiveDoc.Objects.FindId(vert.SupportGuid);
if (restrGeo != null)
{
foam.SetVertexConstraints(new List <PFVertex> {
vert
}, restrGeo, vert.InfluenceCoef, vert.OnGeo);
}
}
if (vert.Fixed)
{
foam.SetVertexConstraints(new List <PFVertex> {
vert
}, new Point(vert.Point), 100, vert.OnGeo);
// this needs to be update after the offset part... based on the geometry
}
}
vertEdgesId[vert] = (vertPropDict["Edges"] as ArrayList).Cast <int>().ToList();
vertFacesId[vert] = (vertPropDict["Faces"] as ArrayList).Cast <int>().ToList();
vertCellsId[vert] = (vertPropDict["Cells"] as ArrayList).Cast <int>().ToList();
vert.Dual = new PFCell((int)vertPropDict["Dual"]); // dummy cell for dual
//vertDualId[vert] = (int)vertPropDict["Dual"];
foam.Vertices.Add(vert);
vertDict.Add(vert.Id, vert);
}
// extract the edges from the dictionary and put the vertices in the edges.
// after also put the pairs in the edges
// create dictionaries for all properties not immediately fillable
var edgeObjDict = foamPropDict["Edges"] as Dictionary <string, object>;
var edgeDict = new Dictionary <int, PFEdge>();
var edgePair = new Dictionary <PFEdge, int>();
var edgeFaces = new Dictionary <PFEdge, List <int> >();
var edgeFaceAngle = new Dictionary <PFEdge, List <double> >();
var edgeDual = new Dictionary <PFEdge, int>();
foreach (var edgeKeyVal in edgeObjDict)
{
var edgePropDict = edgeKeyVal.Value as Dictionary <string, object>;
PFEdge edge = new PFEdge(Int32.Parse(edgeKeyVal.Key));
var edgeVertsIds = (edgePropDict["Vertices"] as ArrayList).Cast <int>();
foreach (int vertId in edgeVertsIds)
{
edge.Vertices.Add(vertDict[vertId]); // add the vertex in the edge
}
//edgeDict[edge.Id] = edge;
edge.External = (bool)edgePropDict["External"];
edge.Deviation = Convert.ToDouble(edgePropDict["Deviation"]);
// this will make new versions compatible with older data json strings
if (edgePropDict.ContainsKey("TargetLength"))
{
edge.TargetLength = Convert.ToDouble(edgePropDict["TargetLength"]);
edge.MinLength = Convert.ToDouble(edgePropDict["MinLength"]);
edge.MaxLength = Convert.ToDouble(edgePropDict["MaxLength"]);
edge.InfluenceCoef = Convert.ToDouble(edgePropDict["InfluenceCoef"]);
}
// put all properties that can't be filled right now in their dictionaries
edgePair[edge] = (int)edgePropDict["Pair"]; // for keeping score of the pair easier
edgeFaces[edge] = (edgePropDict["Faces"] as ArrayList).Cast <int>().ToList();
edgeFaceAngle[edge] = (edgePropDict["FaceAngle"] as ArrayList).ToArray().Select(x => Convert.ToDouble(x)).ToList();
edge.Dual = new PFFace((int)edgePropDict["Dual"]); // dummy face for dual just placeholder
// add edge to foam and edgeDict;
foam.Edges.Add(edge);
edgeDict.Add(edge.Id, edge);
}
// now that all the edges have been extracted we can populate edge.Pair
foreach (var edge in foam.Edges)
{
edge.Pair = edgeDict[edgePair[edge]];
}
// extract the faces from the dictionary
var faceObjDict = foamPropDict["Faces"] as Dictionary <string, object>;
var faceDict = new Dictionary <int, PFFace>();
var faceCell = new Dictionary <PFFace, int>();
var facePair = new Dictionary <PFFace, int>();
foreach (var faceKeyVal in faceObjDict)
{
var facePropDict = faceKeyVal.Value as Dictionary <string, object>;
PFFace face = new PFFace(Int32.Parse(faceKeyVal.Key));
var faceVertsIds = (facePropDict["Vertices"] as ArrayList).Cast <int>().ToList();
foreach (var vertId in faceVertsIds)
{
face.Vertices.Add(vertDict[vertId]);
}
var faceEdgesIds = (facePropDict["Edges"] as ArrayList).Cast <int>().ToList();
face.Edges = faceEdgesIds.Select(x => edgeDict[x]).ToList();
faceCell[face] = (int)facePropDict["Cell"];
facePair[face] = (int)facePropDict["Pair"];
face.Normal = VectorFromDict(facePropDict["Normal"] as Dictionary <string, object>);
face.Centroid = PointFromDict(facePropDict["Centroid"] as Dictionary <string, object>);
face.Dual = new PFEdge((int)facePropDict["Dual"]); // create a dummy edge as dual - replace later
face.External = (bool)facePropDict["External"];
face.Area = Convert.ToDouble(facePropDict["Area"]);
if (facePropDict.ContainsKey("TargetArea"))
{
face.TargetArea = Convert.ToDouble(facePropDict["TargetArea"]);
face.InfluenceCoef = Convert.ToDouble(facePropDict["InfluenceCoef"]);
}
// add face to foam.faces and faceDict
foam.Faces.Add(face);
faceDict.Add(face.Id, face);
}
foreach (var face in foam.Faces)
{
face.Pair = faceDict[facePair[face]];
}
// extract cells from the dictionary
var cellObjDict = foamPropDict["Cells"] as Dictionary <string, object>;
var cellDict = new Dictionary <int, PFCell>();
foreach (var cellKeyVal in cellObjDict)
{
var cellPropDict = cellKeyVal.Value as Dictionary <string, object>;
PFCell cell = new PFCell(Int32.Parse(cellKeyVal.Key));
var cellVertsIds = (cellPropDict["Vertices"] as ArrayList).Cast <int>();
cell.Vertices = cellVertsIds.Select(x => vertDict[x]).ToList();
var cellEdgesIds = (cellPropDict["Edges"] as ArrayList).Cast <int>();
cell.Edges = cellEdgesIds.Select(x => edgeDict[x]).ToList();
var cellFacesIds = (cellPropDict["Faces"] as ArrayList).Cast <int>();
cell.Faces = cellFacesIds.Select(x => faceDict[x]).ToList();
cell.Centroid = PointFromDict(cellPropDict["Centroid"] as Dictionary <string, object>);
cell.Dual = (cellPropDict["Dual"] as ArrayList).Cast <int>().Select(x => new PFVertex(x, Point3d.Unset)).ToList(); // list of dummy points to be changed later
cell.Exterior = (bool)cellPropDict["Exterior"];
// add cell to foam.cells and cellDict
foam.Cells.Add(cell);
cellDict.Add(cell.Id, cell);
}
//populate properties of vertices
foreach (var vert in foam.Vertices)
{
vert.Edges = vertEdgesId[vert].Select(x => edgeDict[x]).ToList();
vert.Faces = vertFacesId[vert].Select(x => faceDict[x]).ToList();
vert.Cells = vertCellsId[vert].Select(x => cellDict[x]).ToList();
}
//populate properties of edges
foreach (var edge in foam.Edges)
{
edge.Faces = edgeFaces[edge].Select(x => faceDict[x]).ToList();
edge.FaceAngle = edgeFaceAngle[edge];
}
// populate the properties of faces
foreach (var face in foam.Faces)
{
face.Cell = cellDict[faceCell[face]];
}
// now deserialize all other properties
foam.ExtVetices = (foamPropDict["ExtVertices"] as ArrayList).Cast <int>().Select(x => vertDict[x]).ToList();
foam.ExtEdges = (foamPropDict["ExtEdges"] as ArrayList).Cast <int>().Select(x => edgeDict[x]).ToList();
foam.ExtFaces = (foamPropDict["ExtFaces"] as ArrayList).Cast <int>().Select(x => faceDict[x]).ToList();
foam.Centroid = PointFromDict(foamPropDict["Centroid"] as Dictionary <string, object>);
foam.Dual = new PFoam() // this is a dummy dual just a placeholder with Id
{
Id = foamPropDict["Dual"] as string
};
foam.MaxDeviation = Convert.ToDouble(foamPropDict["MaxDeviation"]);
// put also the edges in the vertices - use the vertObjDict for that
// populate the edges and vertices in the faces
return(foam);
}