/// <summary>
/// Extracts the edges of a collection of cells
/// </summary>
/// <param name="cellularFloor">The CellularFloorBaseGeometry to which the cells belong</param>
/// <param name="collection">A collection of cells IDs to find its edges</param>
/// <returns>A collection of cell IDs on the edge</returns>
public static HashSet <int> GetEdgeOfField(CellularFloorBaseGeometry cellularFloor, HashSet <int> collection)
{
HashSet <int> edge = new HashSet <int>();
foreach (var item in collection)
{
if (CellUtility.onEdge(item, cellularFloor, collection))
{
edge.Add(item);
}
}
return(edge);
}
/// <summary>
/// Extracts the edges of a collection of cells
/// </summary>
/// <param name="cellularFloor">The CellularFloorBaseGeometry to which the cells belong</param>
/// <param name="collection">A collection of cells to find its edges</param>
/// <returns>A collection of cell indices on the edge</returns>
public static HashSet <Index> GetIndexEdgeOfField(CellularFloorBaseGeometry cellularFloor, HashSet <Cell> collection)
{
HashSet <Index> edge = new HashSet <Index>();
foreach (var item in collection)
{
Index index = cellularFloor.FindIndex(item);
if (CellUtility.onEdge(index, cellularFloor, collection))
{
edge.Add(index);
}
}
return(edge);
}
/// <summary>
/// Get a list of ordered cells on the edge of a cell collection
/// </summary>
/// <param name="cellularFloor">The CellularFloorBaseGeometry to which the cells belong</param>
/// <param name="collection">A collection of cells to find its edges</param>
/// <returns>An ordered list of cells</returns>
public static List <Cell> GetOrderedEdge(CellularFloorBaseGeometry cellularFloor, HashSet <Cell> collection)
{
HashSet <Index> edge = CellUtility.GetIndexEdgeOfField(cellularFloor, collection);
IndexGraph indexGraph = new IndexGraph(edge);
int zero = 0, one = 0, two = 0, three = 0, four = 0;
foreach (var item in indexGraph.IndexNodeMap.Values)
{
switch (item.Connections.Count)
{
case 0:
zero++;
break;
case 1:
one++;
break;
case 2:
two++;
break;
case 3:
three++;
break;
case 4:
four++;
break;
default:
break;
}
}
MessageBox.Show(string.Format("Zero: {0}\nOne: {1}\nTwo: {2}\nThree: {3}\nFour: {4}",
zero.ToString(), one.ToString(), two.ToString(), three.ToString(), four.ToString()));
return(null);
}
