using Autodesk.Revit.DB;
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using System;
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using System.Collections.Generic;
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namespace HStation.RevitDev.RevitDataExport.Common
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{
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public class MEPHelper
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{
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/// <summary>
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/// 获取MEP构件连接关系
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/// </summary>
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public static List<ConnectorInfo> GetConnecters(Element elem)
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{
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var MEPConnecter = new List<ConnectorInfo>();
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if (elem is MEPCurve mepCurve)
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{
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return GetMEPConnecters(mepCurve);
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}
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else if (elem is FamilyInstance fi)
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{
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return GetMEPConnecters(fi);
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}
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return MEPConnecter;
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}
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/// <summary>
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/// 获取MEP构件连接关系
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/// </summary>
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/// <param name="elem"></param>
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/// <returns></returns>
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private static List<ConnectorInfo> GetMEPConnecters(MEPCurve elem)
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{
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var MEPConnecter = new List<ConnectorInfo>();
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try
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{
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ConnectorSet connectors = elem.ConnectorManager?.Connectors;
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if (connectors == null) { return MEPConnecter; }
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int connectIndex = -1;
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foreach (Connector conn in connectors)
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{
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connectIndex++;
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if (conn.IsConnected == false || conn.MEPSystem == null)
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{
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continue;
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}
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ConnectorSet connectorSet = conn.AllRefs;
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var systemId = conn.MEPSystem.UniqueId;
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foreach (Connector currentConnector in connectorSet)
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{
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if (currentConnector == null)
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{
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continue;
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}
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if (currentConnector.Owner.UniqueId == elem.UniqueId || currentConnector.Owner.UniqueId == systemId)
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{
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continue;
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}
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ConnectorInfo data = new ConnectorInfo
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{
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Index = connectIndex,
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ElementId = currentConnector.Owner.Id.IntegerValue,
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Position = $"{currentConnector.Origin.X.InnerToMM():f6},{currentConnector.Origin.Y.InnerToMM():f6},{currentConnector.Origin.Z.InnerToMM():f6}"
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};
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MEPConnecter.Add(data);
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}
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}
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return MEPConnecter;
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}
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catch (Exception ex)
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{
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return MEPConnecter;
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}
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}
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/// <summary>
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/// 获取MEP构件连接关系
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/// </summary>
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/// <param name="elem"></param>
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/// <returns></returns>
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private static List<ConnectorInfo> GetMEPConnecters(FamilyInstance elem)
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{
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var MEPConnecter = new List<ConnectorInfo>();
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try
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{
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var mepModel = elem.MEPModel;
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ConnectorSet connectors = mepModel.ConnectorManager?.Connectors;
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if (connectors == null) { return MEPConnecter; }
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int connectIndex = -1;
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foreach (Connector conn in connectors)
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{
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connectIndex++;
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if (conn.IsConnected == false || conn.MEPSystem==null)
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{
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continue;
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}
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ConnectorSet connectorSet = conn.AllRefs;
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var systemId = conn.MEPSystem.UniqueId;
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foreach (Connector currentConnector in connectorSet)
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{
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if (currentConnector == null)
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{
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continue;
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}
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if (currentConnector.Owner.UniqueId == elem.UniqueId || currentConnector.Owner.UniqueId == systemId)
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{
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continue;
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}
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ConnectorInfo data = new ConnectorInfo
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{
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Index = connectIndex,
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ElementId = currentConnector.Owner.Id.IntegerValue,
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Position = $"{currentConnector.Origin.X.InnerToMM():f6},{currentConnector.Origin.Y.InnerToMM():f6},{currentConnector.Origin.Z.InnerToMM():f6}"
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};
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MEPConnecter.Add(data);
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}
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}
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return MEPConnecter;
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}
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catch (Exception ex)
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{
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return MEPConnecter;
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}
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}
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}
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public static class StaticUtils
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{
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/// <summary>
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/// 长度：Revit内置单位转毫米
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static double? InnerToMM(this object obj)
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{
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if (obj == null) return null;
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try
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{
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return UnitUtils.ConvertFromInternalUnits(Convert.ToDouble(obj), DisplayUnitType.DUT_MILLIMETERS /*UnitTypeId.Millimeters*/);
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}
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catch (Exception ex)
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{
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return null;
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}
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}
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/// <summary>
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/// 英尺转毫米
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static double FeetToMM(this object obj, int prec = -1)
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{
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try
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{
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return Convert.ToDouble(obj) * 304.8;
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}
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catch (Exception ex)
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{
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return double.MinValue;
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}
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}
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}
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public class ConnectorInfo
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{
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public int Index { get; set; }
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public int ElementId { get; set; }
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public string Position { get; set; }
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}
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}
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