/// <summary>
/// Test whether each room has a roof to bound it.
/// </summary>
/// <param name="message">Error message to be dumped.</param>
/// <param name="elements">Some elements to return.</param>
/// <returns></returns>
private bool FindRoomBoundingRoofs(ref string message, Autodesk.Revit.DB.ElementSet elements)
{
// Get all rooms
List <Element> rooms = GetRoomsElements();
if (rooms.Count == 0)
{
message = "Unable to identify any rooms, please create room first!";
return(false);
}
// Represents the criteria for boundary elements to be considered bounding roofs
LogicalOrFilter categoryFilter = new LogicalOrFilter(new ElementCategoryFilter(BuiltInCategory.OST_Roofs),
new ElementCategoryFilter(BuiltInCategory.OST_RoofSoffit));
// Calculator for room/space geometry.
SpatialElementGeometryCalculator calculator = new SpatialElementGeometryCalculator(m_document);
// Stores the resulting room->roof relationships
Dictionary <Element, List <ElementId> > roomsAndRoofs = new Dictionary <Element, List <ElementId> >();
foreach (Element room in rooms)
{
// Get room geometry & boundaries
SpatialElementGeometryResults results = calculator.CalculateSpatialElementGeometry((SpatialElement)room);
// Get solid geometry so we can examine each face
Solid geometry = results.GetGeometry();
foreach (Face face in geometry.Faces)
{
// Get list of roof boundary subfaces for a given face
IList <SpatialElementBoundarySubface> boundaryFaces = results.GetBoundaryFaceInfo(face);
foreach (SpatialElementBoundarySubface boundaryFace in boundaryFaces)
{
// Get boundary element
LinkElementId boundaryElementId = boundaryFace.SpatialBoundaryElement;
// Only considering local file room bounding elements
ElementId localElementId = boundaryElementId.HostElementId;
// Evaluate if element meets criteria using PassesFilter()
if (localElementId != ElementId.InvalidElementId && categoryFilter.PassesFilter(m_document, localElementId))
{
// Room already has roofs, add more
if (roomsAndRoofs.ContainsKey(room))
{
List <ElementId> roofs = roomsAndRoofs[room];
if (!roofs.Contains(localElementId))
{
roofs.Add(localElementId);
}
}
// Room found first roof
else
{
List <ElementId> roofs = new List <ElementId>();
roofs.Add(localElementId);
roomsAndRoofs.Add(room, roofs);
}
break;
}
}
}
}
// Format results
if (roomsAndRoofs.Count > 0)
{
String logs = String.Format("Rooms that have a bounding roof:");
message += logs + "\t\r\n";
Trace.WriteLine(logs);
foreach (KeyValuePair <Element, List <ElementId> > kvp in roomsAndRoofs)
{
// remove this room from all rooms list
rooms.Remove(kvp.Key);
List <ElementId> roofs = kvp.Value;
String roofsString;
// Single roof boundary
if (roofs.Count == 1)
{
Element roof = m_document.GetElement(roofs[0]);
roofsString = String.Format("Roof: Id = {0}, Name = {1}", roof.Id.IntegerValue, roof.Name);
}
// Multiple roofs
else
{
roofsString = "Roofs ids = " + string.Join(", ", Array.ConvertAll <ElementId, string>(roofs.ToArray(), i => i.ToString()));
}
// Save results
logs = String.Format(
" Room: Id = {0}, Name = {1} --> {2}",
kvp.Key.Id.IntegerValue, kvp.Key.Name, roofsString);
message += logs + "\t\r\n";
Trace.WriteLine(logs);
}
}
// Format the rooms that have no bounding roof
Trace.WriteLine("Geometry relationship checking finished...");
if (rooms.Count != 0)
{
String logs = String.Format("Below rooms don't have bounding roofs:");
message += logs + "\t\r\n";
Trace.WriteLine(logs);
foreach (Element room in rooms)
{
elements.Insert(room);
logs = String.Format(" Room Id: {0}, Room Name: {1}",
room.Id.IntegerValue, room.Name);
message += logs + "\t\r\n";
Trace.WriteLine(logs);
}
}
return(true);
}
/// <summary>
/// Allows an element to be selected
/// </summary>
/// <param name="element">A candidate element in the selection operation.</param>
/// <returns>Return true to allow the user to select this candidate element.</returns>
public bool AllowElement(Element element)
{
return(_filter.PassesFilter(element));
}
/// <summary>
/// Collect relationship information from Ceiling to Room to be used later to determine whether a Ceiling can be contained in a Room
/// </summary>
/// <param name="spatialElement">The revit spatial object to process</param>
/// <param name="results">The results of the CalculateSpatialElementGeometry call, for caching for later use.</param>
/// <returns>True if it found a ceiling, false otherwise.</returns>
static private bool GetCeilingSpaceBoundary(SpatialElement spatialElement, out SpatialElementGeometryResults results)
{
results = null;
// Areas don't have a 3D rep, so no ceiling space boundaries.
if (spatialElement is Area)
return false;
// Represents the criteria for boundary elements to be considered bounding Ceiling
LogicalOrFilter categoryFilter = new LogicalOrFilter(new ElementCategoryFilter(BuiltInCategory.OST_Ceilings),
new ElementCategoryFilter(BuiltInCategory.OST_Ceilings));
try
{
results = s_SpatialElementGeometryCalculator.CalculateSpatialElementGeometry(spatialElement);
}
catch
{
return false;
}
Solid geometry = results.GetGeometry();
// Go through the boundary faces to identify whether it is bounded by a Ceiling. If it is Ceiling, add into the Cache
foreach (Face face in geometry.Faces)
{
IList<SpatialElementBoundarySubface> boundaryFaces = results.GetBoundaryFaceInfo(face);
foreach (SpatialElementBoundarySubface boundaryFace in boundaryFaces)
{
// Get boundary element
LinkElementId boundaryElementId = boundaryFace.SpatialBoundaryElement;
// Only considering local file room bounding elements
ElementId localElementId = boundaryElementId.HostElementId;
// Evaluate if element meets criteria using PassesFilter()
if (localElementId != ElementId.InvalidElementId && categoryFilter.PassesFilter(spatialElement.Document, localElementId))
{
if (ExporterCacheManager.CeilingSpaceRelCache.ContainsKey(localElementId))
{
// The ceiling already exists in the Dictionary, add the Space into list
IList<ElementId> roomlist = ExporterCacheManager.CeilingSpaceRelCache[localElementId];
roomlist.Add(spatialElement.Id);
}
else
{
// The first time this Ceiling Id appears
IList<ElementId> roomlist = new List<ElementId>();
roomlist.Add(spatialElement.Id);
ExporterCacheManager.CeilingSpaceRelCache.Add(localElementId, roomlist);
}
}
}
}
return true;
}
/// <summary>
/// Test whether each room has a roof to bound it.
/// </summary>
/// <param name="message">Error message to be dumped.</param>
/// <param name="elements">Some elements to return.</param>
/// <returns></returns>
private bool FindRoomBoundingRoofs(ref string message, Autodesk.Revit.DB.ElementSet elements)
{
// Get all rooms
List<Element> rooms = GetRoomsElements();
if (rooms.Count == 0)
{
message = "Unable to identify any rooms, please create room first!";
return false;
}
// Represents the criteria for boundary elements to be considered bounding roofs
LogicalOrFilter categoryFilter = new LogicalOrFilter(new ElementCategoryFilter(BuiltInCategory.OST_Roofs),
new ElementCategoryFilter(BuiltInCategory.OST_RoofSoffit));
// Calculator for room/space geometry.
SpatialElementGeometryCalculator calculator = new SpatialElementGeometryCalculator(m_document);
// Stores the resulting room->roof relationships
Dictionary<Element, List<ElementId>> roomsAndRoofs = new Dictionary<Element, List<ElementId>>();
foreach (Element room in rooms)
{
// Get room geometry & boundaries
SpatialElementGeometryResults results = calculator.CalculateSpatialElementGeometry((SpatialElement)room);
// Get solid geometry so we can examine each face
Solid geometry = results.GetGeometry();
foreach (Face face in geometry.Faces)
{
// Get list of roof boundary subfaces for a given face
IList<SpatialElementBoundarySubface> boundaryFaces = results.GetBoundaryFaceInfo(face);
foreach (SpatialElementBoundarySubface boundaryFace in boundaryFaces)
{
// Get boundary element
LinkElementId boundaryElementId = boundaryFace.SpatialBoundaryElement;
// Only considering local file room bounding elements
ElementId localElementId = boundaryElementId.HostElementId;
// Evaluate if element meets criteria using PassesFilter()
if (localElementId != ElementId.InvalidElementId && categoryFilter.PassesFilter(m_document, localElementId))
{
// Room already has roofs, add more
if (roomsAndRoofs.ContainsKey(room))
{
List<ElementId> roofs = roomsAndRoofs[room];
if (!roofs.Contains(localElementId))
roofs.Add(localElementId);
}
// Room found first roof
else
{
List<ElementId> roofs = new List<ElementId>();
roofs.Add(localElementId);
roomsAndRoofs.Add(room, roofs);
}
break;
}
}
}
}
// Format results
if (roomsAndRoofs.Count > 0)
{
String logs = String.Format("Rooms that have a bounding roof:");
message += logs + "\t\r\n";
Trace.WriteLine(logs);
foreach (KeyValuePair<Element, List<ElementId>> kvp in roomsAndRoofs)
{
// remove this room from all rooms list
rooms.Remove(kvp.Key);
List<ElementId> roofs = kvp.Value;
String roofsString;
// Single roof boundary
if (roofs.Count == 1)
{
Element roof = m_document.get_Element(roofs[0]);
roofsString = String.Format("Roof: Id = {0}, Name = {1}", roof.Id.IntegerValue, roof.Name);
}
// Multiple roofs
else
{
roofsString = "Roofs ids = " + string.Join(", ", Array.ConvertAll<ElementId, string>(roofs.ToArray(), i => i.ToString()));
}
// Save results
logs = String.Format(
" Room: Id = {0}, Name = {1} --> {2}",
kvp.Key.Id.IntegerValue, kvp.Key.Name, roofsString);
message += logs + "\t\r\n";
Trace.WriteLine(logs);
}
}
// Format the rooms that have no bounding roof
Trace.WriteLine("Geometry relationship checking finished...");
if (rooms.Count != 0)
{
String logs = String.Format("Below rooms don't have bounding roofs:");
message += logs + "\t\r\n";
Trace.WriteLine(logs);
foreach (Element room in rooms)
{
elements.Insert(room);
logs = String.Format(" Room Id: {0}, Room Name: {1}",
room.Id.IntegerValue, room.Name);
message += logs + "\t\r\n";
Trace.WriteLine(logs);
}
}
return true;
}
