Revit中有些族是不基于面创建,有些族是基于面创建(如环形吸顶灯等),这时候需要查看该Family的属性【基于工作平面】这个参数进行判断,可以使用lookup查询到FamilyInstance的主体Family,然后在Parameters里查看。
【判断一个FamilyInstance基于面创建的参数,可以使用以下代码查看】
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Autodesk.Revit.DB.Structure;
using Autodesk.Revit.DB.Events;
using Autodesk.Revit.DB;
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.UI;
using Autodesk.Revit.DB.Plumbing;
using Autodesk.Revit.UI.Selection;
namespace Test_isFamilyInFace
{
[TransactionAttribute(TransactionMode.Manual)]
public class Class1 : IExternalCommand
{
Reference pickedRef = null;
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
Document doc = commandData.Application.ActiveUIDocument.Document;
UIApplication uiApp = commandData.Application;
Selection sel = uiApp.ActiveUIDocument.Selection;
pickedRef = sel.PickObject(ObjectType.Element, 'Please select 1');
Element elem1 = doc.GetElement(pickedRef);
FamilyInstance fi = elem1 as FamilyInstance;
FamilySymbol fs = fi.Symbol;
Family f1 = fs.Family;
int a = f1.get_Parameter(BuiltInParameter.FAMILY_HOSTING_BEHAVIOR).AsInteger();
string s = HostName(a);
TaskDialog.Show('结果:', '主体编号:' + a.ToString() + '\r' + s);
return Result.Succeeded;
}
public string HostName(int a)
{
string s = '找不到属性';
switch (a)
{
case 0:
return s = '族不基于面';
case 1:
return s = '基于墙的';
case 2:
return s = '基于Floor(楼板的)';
case 3:
return s = '基于吊顶';
case 5:
return s = '基于Face的';
default:
return s = '找不到属性';
}
}
}
}
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