217 lines
9.3 KiB
C#
217 lines
9.3 KiB
C#
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using Autodesk.Revit.DB;
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using Autodesk.Revit.DB.Mechanical;
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using Autodesk.Revit.DB.Plumbing;
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using System;
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using System.Diagnostics;
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using System.Linq;
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namespace Szmedi.Toolkit.RvExtensions
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{
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public static class MEPExtensions
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{
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/// <summary>
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/// 用点打断管线
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/// </summary>
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/// <param name="mepCurve"></param>
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/// <param name="point"></param>
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/// <returns>新的管线(定位线前端部分)</returns>
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public static ElementId BreakByPoint(this MEPCurve mepCurve, XYZ point)
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{
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if (mepCurve is not InsulationLiningBase)
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{
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try
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{
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Document document = mepCurve.Document;
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return mepCurve switch
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{
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Duct duct => MechanicalUtils.BreakCurve(document, duct.Id, point),
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Pipe pipe => PlumbingUtils.BreakCurve(document, pipe.Id, point),
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_ => mepCurve.BreakCurve(point)
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};
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}
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catch (Exception e)
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{
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Debug.WriteLine(e.Message);
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return ElementId.InvalidElementId;
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}
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}
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throw new InvalidOperationException($"{nameof(mepCurve)}不是管线或不可打断");
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}
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/// <summary>
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/// 复制并修改定位线，并可用来连接该管线，朝上方向的一致性
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/// </summary>
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/// <param name="mepCurve">用来复制的管线</param>
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/// <param name="line">定位线</param>
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/// <param name="canNewElbow">可以创建弯头</param>
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/// <returns></returns>
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public static MEPCurve CopyAndSetLocationCurve(this MEPCurve mepCurve, Line line)
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{
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var doc = mepCurve.Document;
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var elemId = ElementTransformUtils.CopyElement(doc, mepCurve.Id, XYZ.Zero).FirstOrDefault();
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var newMepCurve = doc.GetElement(elemId) as MEPCurve;
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newMepCurve.SetLocationCurve(line);
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doc.Regenerate();
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//立管的断面可能错误，需要旋转截面
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if (line.Direction.CrossProduct(XYZ.BasisZ).IsZeroLength())
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{
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var conns = ConnectorExtensions.GetNearestConnectors(mepCurve, newMepCurve);
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var hand = conns[0].CoordinateSystem.BasisX;
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//取反向
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var newHand = conns[1].CoordinateSystem.BasisX;
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//点积
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var cos = hand.DotProduct(newHand);
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//夹角
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var radian = Math.Acos(cos);
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////旋转轴向
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//var d = hand.CrossProduct(newHand);
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//当两个BasisX相反时，则为可正确连接的，不需要旋转
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if (hand.IsAlmostEqualTo(-newHand))
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{
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return newMepCurve;
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}
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//连接件的BasisZ就是轴向
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var d = conns[1].CoordinateSystem.BasisZ;
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//以立管或倾斜管作为参考轴
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var ax = Line.CreateUnbound(conns[1].Origin, d);
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//保证夹角为180度，故旋转角用Π-夹角
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ElementTransformUtils.RotateElement(doc, elemId, ax, Math.PI - radian);
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//double radian = default;
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//Line axis = null;
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//foreach (Connector connector in mepCurve.ConnectorManager.Connectors)
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//{
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// foreach (Connector connector1 in newMepCurve.ConnectorManager.Connectors)
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// {
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// //侧面向量
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// var dotProduct = connector1.CoordinateSystem.BasisX.DotProduct(connector.CoordinateSystem.BasisX);
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// radian = Math.Acos(dotProduct);
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// //为0的时候即两个侧面向量重合或相反，表明要么正好合适，要么需要旋转180度，
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// var direction =
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// Math.Sin(radian) < 0.0001 ? XYZ.BasisZ : connector1.CoordinateSystem.BasisX.CrossProduct(connector.CoordinateSystem.BasisX);
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// if (!direction.IsZeroLength())
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// {
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// axis = Line.CreateUnbound(connector1.Origin, direction);
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// }
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// //radian = Math.PI - radian;
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// }
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//}
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//ElementTransformUtils.RotateElement(doc, elemId, axis, radian);
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}
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return newMepCurve;
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}
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/// <summary>
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/// 打断直线管线
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/// </summary>
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/// <param name="electricMepCurve"></param>
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/// <param name="point"></param>
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/// <remarks>新创建的管线距离起点近,返回Id=-1时，不能打断管线</remarks>
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/// <returns></returns>
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private static ElementId BreakCurve(this MEPCurve electricMepCurve, XYZ point)
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{
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var document = electricMepCurve.Document;
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var application = document.Application;
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var conns = electricMepCurve.ConnectorManager.Connectors.OfType<Connector>().Where(c => c.ConnectorType == ConnectorType.End);
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//原管线连接的接头
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var originConn1 = conns.ElementAt(0);
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var originConn2 = conns.ElementAt(1);
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//已连接的连接件
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var connectedConn1 = originConn1.GetConnectedConnector();
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var connectedConn2 = originConn2.GetConnectedConnector();
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Debug.WriteLine($"起点连接件{connectedConn1}");
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Debug.WriteLine($"终点连接件{connectedConn2}");
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connectedConn1?.DisconnectFrom(originConn1);
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connectedConn2?.DisconnectFrom(originConn2);
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document.Regenerate();
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//投影点
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if (
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electricMepCurve.GetLocCurve() is not Line line
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|| electricMepCurve is FlexDuct
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|| electricMepCurve is FlexPipe
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|| electricMepCurve is PipeInsulation
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|| electricMepCurve is DuctInsulation
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)
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{
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//throw new InvalidOperationException("不可打断的类型");
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return ElementId.InvalidElementId;
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}
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var projectPoint = line.Project(point).XYZPoint;
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if ((electricMepCurve.GetLocCurve() as Line).IsInsideEx(point, application.ShortCurveTolerance))
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{
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var startLine = Line.CreateBound(line.GetEndPoint(0), projectPoint);
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var endLine = Line.CreateBound(projectPoint, line.GetEndPoint(1));
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var electricMepCurveCopyId = ElementTransformUtils.CopyElement(document, electricMepCurve.Id, XYZ.Zero).FirstOrDefault();
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var electricMepCurveCopy = document.GetElement(electricMepCurveCopyId) as MEPCurve;
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//起点线
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electricMepCurveCopy.SetLocationCurve(startLine);
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electricMepCurve.SetLocationCurve(endLine);
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Debug.WriteLine($"设置定位线");
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document.Regenerate();
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Debug.WriteLine($"原有接头{connectedConn1?.Origin}");
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Debug.WriteLine($"原有接头{connectedConn2?.Origin}");
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foreach (Connector conn1 in electricMepCurveCopy!.ConnectorManager.Connectors)
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{
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Debug.WriteLine($"复制管连接件{conn1.Origin}");
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if (connectedConn1 != null)
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{
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if (conn1.Origin.DistanceTo(connectedConn1.Origin) < application.ShortCurveTolerance)
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{
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Debug.WriteLine("复制管连接连接件1");
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conn1.ConnectTo(connectedConn1);
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break;
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}
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}
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if (connectedConn2 != null)
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{
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if (conn1.Origin.DistanceTo(connectedConn2.Origin) < application.ShortCurveTolerance)
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{
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Debug.WriteLine("复制管连接连接件2");
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conn1.ConnectTo(connectedConn2);
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break;
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}
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}
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}
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foreach (Connector conn1 in electricMepCurve!.ConnectorManager.Connectors)
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{
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if (connectedConn1 != null)
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{
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if (conn1.Origin.DistanceTo(connectedConn1.Origin) < application.ShortCurveTolerance)
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{
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Debug.WriteLine("原有管连接连接件1");
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conn1.ConnectTo(connectedConn1);
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break;
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}
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}
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if (connectedConn2 != null)
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{
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if (conn1.Origin.DistanceTo(connectedConn2.Origin) < application.ShortCurveTolerance)
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{
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Debug.WriteLine("原有管连接连接件2");
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conn1.ConnectTo(connectedConn2);
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break;
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}
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}
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}
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return electricMepCurveCopyId;
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}
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return ElementId.InvalidElementId;
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}
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}
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} |