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296
RebarMsAddins/ElementExtensions.cs
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296
RebarMsAddins/ElementExtensions.cs
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using System;
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using System.Collections.Generic;
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using Bentley.DgnPlatformNET;
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using Bentley.DgnPlatformNET.DgnEC;
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using Bentley.DgnPlatformNET.Elements;
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using Bentley.ECObjects.Instance;
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using Bentley.GeometryNET;
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using Bentley.MstnPlatformNET;
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namespace RebarMsAddins
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{
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/// <summary>
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/// 元素扩展类
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/// </summary>
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public static class ElementExtensions
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{
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/// <summary>
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/// 通过属性名获取钢筋的属性值
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/// </summary>
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/// <param name="elem">元素</param>
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/// <param name="propName">属性名</param>
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/// <returns>属性值，可根据情况进行转换数据类型</returns>
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public static object GetRebarPropertyValue(this Element elem, string propName)
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{
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var instances = new CustomItemHost(elem, false).CustomItems;
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object value = default;
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foreach (var instance in instances)
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{
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if ((instance.ClassDefinition.DisplayLabel == "钢筋" || instance.ClassDefinition.DisplayLabel == "纵向钢筋") && instance.ContainsValues)
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{
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foreach (var propValue in instance)
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{
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if (propValue.Property.DisplayLabel == propName && propValue.TryGetNativeValue(out value))
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{
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break;
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}
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}
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}
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}
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return value;
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}
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/// <summary>
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/// 元素之间传递ItemTypes及值
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/// </summary>
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/// <param name="source"></param>
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/// <param name="target"></param>
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public static void DeliverItemTypesTo(this Element source, Element target)
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{
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CustomItemHost host = new CustomItemHost(source, true);//声明元素的CustomItemHost
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var instances = host.CustomItems;
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//List<ItemType> list = new List<ItemType>();
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foreach (var instance in instances)
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{
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var ecClass = instance.ClassDefinition;//ItemTypes
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var lib = ecClass.Schema;//ItemTypesLibrary
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target.AttachItemType(lib.DisplayLabel, ecClass.DisplayLabel);
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if (instance.ContainsValues)
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{
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foreach (var propValue in instance)
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{
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if (propValue.TryGetNativeValue(out var value))
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{
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var prop = propValue.Property;
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target.SetECPropertyValues(prop.DisplayLabel, value);
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}
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}
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}
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}
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}
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/// <summary>
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/// 通过属性名设置属性值，多个同名属性会同时设置
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/// </summary>
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/// <param name="elem">元素</param>
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/// <param name="propName">属性名</param>
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/// <returns></returns>
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public static void SetECPropertyValues(this Element elem, string propName, object value)
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{
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var instances = new CustomItemHost(elem, false).CustomItems;
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try
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{
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foreach (var instance in instances)
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{
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instance.SetValue(propName, value);
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instance.WriteChanges();
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}
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}
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catch (Exception)
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{
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}
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}
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/// <summary>
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/// 获取ItemType，包含多个CustomProperty
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/// </summary>
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/// <param name="itemLibName"></param>
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/// <param name="itemTypeName"></param>
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/// <returns></returns>
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public static ItemType GetItemType(string itemLibName, string itemTypeName)
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{
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DgnFile dgnFile = Session.Instance.GetActiveDgnFile();
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//根据声明名称获取对应的ItemTypeLibrary
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ItemTypeLibrary itemTypeLibrary = ItemTypeLibrary.FindByName(itemLibName, dgnFile);
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return itemTypeLibrary?.GetItemTypeByName(itemTypeName);
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}
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/// <summary>
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/// 挂接ItemType到元素
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/// </summary>
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/// <param name="elem"></param>
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/// <param name="itemLibName"></param>
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/// <param name="itemTypeName"></param>
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public static void AttachItemType(this Element elem, string itemLibName, string itemTypeName)
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{
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DgnFile dgnFile = Session.Instance.GetActiveDgnFile();//获得当前激活的文件
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DgnModel dgnModel = Session.Instance.GetActiveDgnModel();
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//根据声明名称获取对应的ItemType
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ItemType itemType = GetItemType(itemLibName, itemTypeName);
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CustomItemHost host = new CustomItemHost(elem, true);//声明元素的CustomItemHost
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//实例化
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IDgnECInstance item = host.ApplyCustomItem(itemType, true);//对CustomItemHost添加ItemType得到EC实例
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EditParameterDefinitions defs = EditParameterDefinitions.GetForModel(dgnModel);//获得模型中的参数定义
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DgnECInstanceEnabler enabler = DgnECManager.Manager.ObtainInstanceEnabler(dgnFile, itemType.ECClass);//获得文件中使用指定EC类的EC实例
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if (null != enabler && enabler.SupportsCreateInstanceOnElement)//判断是否是否支持对元素挂接EC实例
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defs.SetDomainParameters(enabler.SharedWipInstance);//对参数定义设置域参数
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item.ScheduleChanges(elem);//对元素更新ItemType信息
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elem.ReplaceInModel(elem);
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}
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/// <summary>
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/// 设置元素图层
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/// </summary>
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/// <param name="element"></param>
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/// <param name="leveName"></param>
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/// <remarks>图层名不存在时，则创建</remarks>
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/// <returns></returns>
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public static Element SetLevel(this Element element, string leveName)
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{
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Element oldElem = Element.GetFromElementRef(element.GetNativeElementRef());
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if (string.IsNullOrEmpty(leveName))
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{
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return element;
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}
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//获取指定名层
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DgnFile dgnfile = Session.Instance.GetActiveDgnFile();
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FileLevelCache lvlCache = dgnfile.GetLevelCache();
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LevelHandle lvlHandle = lvlCache.GetLevelByName(leveName);
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if (!lvlHandle.IsValid)//当前文件中不存在时创建
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{
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lvlCache.CreateLevel(leveName);
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lvlCache.Write();
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lvlHandle = lvlCache.GetLevelByName(leveName);
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}
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//设置元素的层属性写入模型中
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ElementPropertiesSetter eleSet = new ElementPropertiesSetter();
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eleSet.SetLevel(lvlHandle.LevelId);
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eleSet.Apply(element);
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element.ReplaceInModel(oldElem);
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return element;
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}
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/// <summary>
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/// 获取元素的长度
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/// </summary>
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/// <param name="elem">元素</param>
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/// <returns>长度值，单位m，保留两位小数</returns>
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public static double GetLength(this Element elem)
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{
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var uorMeter = Session.Instance.GetActiveDgnModel().GetModelInfo().UorPerMeter;
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double length = default;
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if (elem is LineElement line)
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{
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length = line.GetCurveVector().SumOfLengths();
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}
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if (elem is ComplexStringElement complexString)
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{
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length = complexString.GetCurveVector().SumOfLengths();
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}
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if (elem is LineStringBaseElement lineStringBase)
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{
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length = lineStringBase.GetCurveVector().SumOfLengths();
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}
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if (elem is EllipseElement ellipseElement)
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{
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length = ellipseElement.GetCurveVector().SumOfLengths();
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}
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//if (elem is LineStringElement lineString)
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//{
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// curve = lineString.GetCurveVector().SumOfLengths();
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// //GetFilteredECPropValue(lineString, "ID-100-名称");
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//}
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//if (elem is ShapeElement shape)
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//{
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// curve = shape.GetCurveVector().SumOfLengths();
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//}
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if (elem is ComplexShapeElement complexShape)
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{
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length = complexShape.GetCurveVector().SumOfLengths();
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}
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if (elem is BSplineCurveElement bSplineCurve)
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{
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length = bSplineCurve.GetCurveVector().SumOfLengths();
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}
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return Math.Round(length / uorMeter, 3, MidpointRounding.AwayFromZero);
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}
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/// <summary>
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/// 获取元素的CurveVector
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/// </summary>
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/// <returns></returns>
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public static CurveVector GetCurveVector(this Element elem)
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{
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CurveVector curve = default;
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if (elem is LineElement line)
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{
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curve = line.GetCurveVector();
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}
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if (elem is ComplexStringElement complexString)
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{
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curve = complexString.GetCurveVector();
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}
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if (elem is LineStringBaseElement lineStringBase)
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{
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curve = lineStringBase.GetCurveVector();
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}
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if (elem is EllipseElement ellipseElement)
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{
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curve = ellipseElement.GetCurveVector();
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}
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//if (elem is LineStringElement lineString)
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//{
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// curve = lineString.GetCurveVector();
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// //GetFilteredECPropValue(lineString, "ID-100-名称");
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//}
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//if (elem is ShapeElement shape)
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//{
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// curve = shape.GetCurveVector();
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//}
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if (elem is ComplexShapeElement complexShape)
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{
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curve = complexShape.GetCurveVector();
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}
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if (elem is BSplineCurveElement bSplineCurve)
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{
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curve = bSplineCurve.GetCurveVector();
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}
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return curve;
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}
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/// <summary>
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/// 获取元素中的圆弧
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/// </summary>
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/// <param leveName="elem"></param>
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/// <returns>若没有，则返回空列表</returns>
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public static List<DEllipse3d> GetArcs(this Element elem)
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{
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var list = new List<DEllipse3d>();
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foreach (var child in elem.GetCurveVector())
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{
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if (child.GetCurvePrimitiveType() == CurvePrimitive.CurvePrimitiveType.Arc)
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{
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child.TryGetArc(out var arc);
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list.Add(arc);
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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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/// 获取元素中线
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/// </summary>
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/// <param leveName="elem"></param>
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/// <returns></returns>
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public static List<DSegment3d> GetLines(this Element elem)
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{
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var list = new List<DSegment3d>();
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foreach (var child in elem.GetCurveVector())
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{
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if (child.GetCurvePrimitiveType() == CurvePrimitive.CurvePrimitiveType.Arc)
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{
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child.TryGetLine(out var line);
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list.Add(line);
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}
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}
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return list;
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}
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}
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}
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