更新整理
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279
ShrlAlgoToolkit.Revit/Extensions/RoomExtensions.cs
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279
ShrlAlgoToolkit.Revit/Extensions/RoomExtensions.cs
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using Autodesk.Revit.DB;
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using Autodesk.Revit.DB.Architecture;
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namespace ShrlAlgoToolkit.Revit.Assists;
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/// <summary>
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/// 房间类的扩展
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/// </summary>
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/// <remarks>
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/// <para>房间的边界外圈是逆时针，所有内圈是顺时针，墙体相交会导致边界线被切分</para>
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///<para>底部偏移 item.Room.BaseOffset = baseOffset;</para>
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///<para>高度偏移 item.Room.LimitOffset = baseOffset;</para>
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///<para>全部高度 item.Room.UnboundedHeight，顶部-底部;</para>
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/// </remarks>
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public static class RoomExtensions
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{
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/// <summary>
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/// 墙饰面
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/// </summary>
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/// <param name="room"></param>
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/// <param name="height"></param>
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/// <param name="newWallType"></param>
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/// <returns>墙饰面与房间边界的字典</returns>
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public static Dictionary<ElementId, ElementId> CreateWalls(this Room room, double height, WallType newWallType)
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{
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var doc = newWallType.Document;
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var dictionary = new Dictionary<ElementId, ElementId>();
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var levelId = room.LevelId;
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var boundarySegments = room.GetBoundarySegments(
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new SpatialElementBoundaryOptions { SpatialElementBoundaryLocation = SpatialElementBoundaryLocation.Finish }
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);
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if (boundarySegments == null)
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{
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return dictionary;
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}
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foreach (var list in boundarySegments)
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{
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if (list.Count == 0)
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{
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continue;
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}
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foreach (var boundarySegment in list)
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{
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var element = doc.GetElement(boundarySegment.ElementId);
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if (element == null)
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{
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continue;
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}
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var category = doc.Settings.Categories.get_Item(BuiltInCategory.OST_RoomSeparationLines);
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if (element.Category.Id == category.Id)
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{
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continue;
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}
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var wall = Wall.Create(doc, boundarySegment.GetCurve(), newWallType.Id, levelId, height, 0.0, false, false);
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wall.get_Parameter(BuiltInParameter.WALL_KEY_REF_PARAM).Set(2);
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dictionary.Add(wall.Id, boundarySegment.ElementId);
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}
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}
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return dictionary;
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}
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/// <summary>
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/// 创建房间的内建模型
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/// </summary>
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/// <param name="room"></param>
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/// <returns></returns>
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public static DirectShape CreateSolid(this Room room)
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{
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return RoomSolid(room, room.GetBoundaryCurveLoops());
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}
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/// <summary>
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/// 得到房间边界的线串
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/// </summary>
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/// <param name="room"></param>
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/// <returns></returns>
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public static List<CurveLoop> GetBoundaryCurveLoops(this Room room)
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{
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var boundary = room.GetBoundarySegments(Options());
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var list = new List<CurveLoop>();
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if (boundary.Count != 0)
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{
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foreach (var list2 in boundary)
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{
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var curveLoop = new CurveLoop();
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foreach (var boundarySegment in list2)
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{
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curveLoop.Append(boundarySegment.GetCurve());
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}
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list.Add(curveLoop);
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}
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}
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return list;
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}
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/// <summary>
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/// 房间边界组成的元素集合
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/// </summary>
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/// <param name="room"></param>
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/// <returns></returns>
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public static List<Element> GetBoundaryElementList(this SpatialElement room)
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{
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if (room is null)
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{
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throw new ArgumentNullException(nameof(room));
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}
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var results = new List<Element>();
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var segments = room.GetBoundarySegments(Options()).SelectMany(s => s);
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foreach (var segment in segments)
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{
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if (segment.ElementId == ElementId.InvalidElementId)
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{
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continue;
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}
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if (results.FirstOrDefault(f => f.Id == segment.ElementId) != null)
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{
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continue;
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}
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var elm = room.Document.GetElement(segment.ElementId);
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results.Add(elm);
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}
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return results;
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}
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/// <summary>
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/// 房间边界的对应字典（元素-曲线）集合
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/// </summary>
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/// <param name="room"></param>
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/// <returns></returns>
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public static Dictionary<Element, Curve> GetElementCurveDict(this Room room)
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{
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if (room is null)
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{
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throw new ArgumentNullException(nameof(room));
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}
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var doc = room.Document;
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if (doc is null)
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{
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throw new ArgumentNullException(nameof(doc));
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}
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var segments = room.GetBoundarySegments(Options()).SelectMany(s => s);
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return segments.ToDictionary(k => doc.GetElement(k.ElementId), v => v.GetCurve());
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}
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/// <summary>
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/// 获取房间几何体相交的元素
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/// </summary>
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/// <param name="room"></param>
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/// <returns></returns>
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public static FilteredElementCollector GetIntersectElements(this Room room)
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{
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var doc = room.Document;
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var solid = new SpatialElementGeometryCalculator(doc).CalculateSpatialElementGeometry(room).GetGeometry();
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ElementIntersectsSolidFilter filter = new(solid);
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return new FilteredElementCollector(doc).WherePasses(filter);
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}
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/// <summary>
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/// 获取房间最外侧边界
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/// </summary>
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/// <param name="room"></param>
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/// <returns></returns>
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public static CurveArray GetOuterBoundary(this Room room)
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{
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var allCurves = new CurveArray();
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var boundarySegments = room.GetBoundarySegments(Options()).First();
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foreach (var bs in boundarySegments)
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{
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allCurves.Append(bs.GetCurve());
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}
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return allCurves;
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}
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private static SpatialElementBoundaryOptions Options()
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{
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return new SpatialElementBoundaryOptions { SpatialElementBoundaryLocation = SpatialElementBoundaryLocation.Finish };
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}
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/// <summary>
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/// 获取房间的几何体
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/// </summary>
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/// <param name="room"></param>
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/// <returns></returns>
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public static Solid GetSolid(this Room room)
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{
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var doc = room.Document;
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var segc = new SpatialElementGeometryCalculator(doc);
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var segr = segc.CalculateSpatialElementGeometry(room);
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return segr.GetGeometry();
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}
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/// <summary>
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/// 得到房间的三位实体
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/// </summary>
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/// <param name="room"></param>
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/// <param name="curveLoops"></param>
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/// <param name="material"></param>
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/// <returns></returns>
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private static DirectShape RoomSolid(Room room, List<CurveLoop> curveLoops, Material material = null)
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{
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var doc = room.Document;
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var height = room.get_Parameter(BuiltInParameter.ROOM_HEIGHT).AsDouble();
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var options =
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material == null
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? new SolidOptions(ElementId.InvalidElementId, ElementId.InvalidElementId)
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: new SolidOptions(material.Id, ElementId.InvalidElementId);
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options = new SolidOptions(material.Id, ElementId.InvalidElementId);
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var solid = GeometryCreationUtilities.CreateExtrusionGeometry(curveLoops, XYZ.BasisZ, height);
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var ds = DirectShape.CreateElement(doc, new ElementId(BuiltInCategory.OST_GenericModel));
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ds.SetName(room.Name);
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var option = ds.GetOptions();
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option.ReferencingOption = DirectShapeReferencingOption.NotReferenceable;
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ds.SetOptions(option);
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ds.AppendShape(new List<GeometryObject> { solid });
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room.Document.Regenerate();
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var elements = new FilteredElementCollector(doc);
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var solidFillPattern = elements.OfClass(typeof(FillPatternElement)).Cast<FillPatternElement>().First(a => a.GetFillPattern().IsSolidFill);
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var random = new Random(DateTime.Now.Millisecond);
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var r = Convert.ToByte(random.Next(0, 255));
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var g = Convert.ToByte(random.Next(0, 255));
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var b = Convert.ToByte(random.Next(0, 255));
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var color = new Color(r, g, b);
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var ogs = new OverrideGraphicSettings();
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ogs.SetProjectionLineColor(color);
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#if REVIT2018
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ogs.SetSurfaceTransparency(50);
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ogs.SetProjectionFillColor(color);
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ogs.SetProjectionFillPatternId(solidFillPattern.Id);
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ogs.SetCutFillColor(color);
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ogs.SetCutFillPatternId(solidFillPattern.Id);
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doc.ActiveView.SetElementOverrides(ds.Id, ogs);
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#else
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ogs.SetSurfaceBackgroundPatternColor(color);
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ogs.SetSurfaceForegroundPatternId(solidFillPattern.Id);
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ogs.SetSurfaceForegroundPatternColor(color);
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ogs.SetCutBackgroundPatternColor(color);
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ogs.SetCutForegroundPatternColor(color);
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ogs.SetCutForegroundPatternId(solidFillPattern.Id);
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ogs.SetSurfaceTransparency(50);
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doc.ActiveView.SetElementOverrides(ds.Id, ogs);
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#endif
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//foreach (Face face in solid.Faces)
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//{
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// room.Document.Paint(ds.Id,,);
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// //PlanarFace pf = face as PlanarFace;
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// //if (pf.FaceNormal.IsAlmostEqualTo(XYZ.BasisZ))
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// //{
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// // array.Append(face);
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// // break;
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// //}
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//}
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return ds;
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}
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}
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