start
[Transaction(TransactionMode.Manual)]
[Regeneration(RegenerationOption.Manual)]
public class cmdDuctWall : IExternalCommand
{
public Result Execute(ExternalCommandData cmdData, ref string msg, ElementSet elements)
{
UIApplication uiApp = cmdData.Application;
UIDocument uiDoc = cmdData.Application.ActiveUIDocument;
Document doc = uiDoc.Document;
Selection sel = uiDoc.Selection;
Transaction ts = new Transaction(uiDoc.Document, "delete");
ts.Start();
//加载链接文件
FilteredElementCollector collector = new FilteredElementCollector(doc);//
collector.OfClass(typeof(Instance)).OfCategory(BuiltInCategory.OST_RvtLinks);//RevitLinkType
List<string> listPath = GetLinkFilePaths(doc);
Duct duct = doc.GetElement(sel.PickObject(ObjectType.Element, "duct")) as Duct;
foreach (Element elDoc in collector)
{
Instance ins = elDoc as Instance;
if (ins != null)
{
Transform transForm = ins.GetTransform();
string strKey = elDoc.Name.Substring(, elDoc.Name.IndexOf(".rvt"));//找到链接文件名称
string strPath = GetLinkPath(listPath, strKey);
Document docLink = uiApp.Application.OpenDocumentFile(strPath);
List<Wall> listWall = FindDuctWall(doc, duct, docLink, ins.GetTransform().Origin);
TaskDialog.Show("count", listWall.Count.ToString());
List<Wall> listWall1 = FindDuctWall(doc, duct);
TaskDialog.Show("count", listWall1.Count.ToString());
}
}
ts.Commit();
return Result.Succeeded;
}
/// <summary>
/// 找到当前文档穿过的墙
/// </summary>
/// <param name="doc"></param>
/// <param name="duct"></param>
/// <returns></returns>
public List<Wall> FindDuctWall(Document doc, Duct duct)
{
List<Wall> listWall = new List<Wall>();
//找到outLine
BoundingBoxXYZ bb = duct.get_BoundingBox(doc.ActiveView);
Outline outline = new Outline(bb.Min, bb.Max);
//WinFormTools.MsgBox(bb.Min + "|" + bb.Max);
//
FilteredElementCollector collector = new FilteredElementCollector(doc);
BoundingBoxIntersectsFilter invertFilter = new BoundingBoxIntersectsFilter(outline, false);
IList<Element> noIntersectWalls = collector.OfClass(typeof(Wall)).WherePasses(invertFilter).ToElements();
foreach (Element el in noIntersectWalls)
{
Wall wall = el as Wall;
if (wall != null)
listWall.Add(wall);
}
return listWall;
}
/// <summary>
/// 找到穿过链接文件的墙
/// </summary>
/// <param name="doc"></param>
/// <param name="duct"></param>
/// <param name="docLink"></param>
/// <param name="xyz">依稀量</param>
/// <returns></returns>
public List<Wall> FindDuctWall(Document doc, Duct duct, Document docLink, XYZ xyz)
{
List<Wall> listWall = new List<Wall>();
//找到outLine
BoundingBoxXYZ bb = duct.get_BoundingBox(doc.ActiveView);
Outline outline = new Outline(bb.Min - xyz, bb.Max - xyz);
//
FilteredElementCollector collector = new FilteredElementCollector(docLink);
BoundingBoxIntersectsFilter invertFilter = new BoundingBoxIntersectsFilter(outline, false);
IList<Element> noIntersectWalls = collector.OfClass(typeof(Wall)).WherePasses(invertFilter).ToElements();
foreach (Element el in noIntersectWalls)
{
Wall wall = el as Wall;
if (wall != null)
listWall.Add(wall);
}
return listWall;
}
/// <summary>
/// 取得链接文件路径
/// </summary>
/// <param name="doc"></param>
/// <returns></returns>
public List<string> GetLinkFilePaths(Document doc)
{
List<string> listPath = new List<string>();
foreach (ElementId elId in ExternalFileUtils.GetAllExternalFileReferences(doc))
{
if (doc.get_Element(elId).IsExternalFileReference())
{
ExternalFileReference fileRef = doc.get_Element(elId).GetExternalFileReference();
if (ExternalFileReferenceType.RevitLink == fileRef.ExternalFileReferenceType)
listPath.Add(ModelPathUtils.ConvertModelPathToUserVisiblePath(fileRef.GetAbsolutePath()));
}
}
return listPath;
}
/// <summary>
/// 根据链接文件名称找到对应链接路径，模糊匹配，待改进
/// </summary>
/// <param name="listPath"></param>
/// <param name="strKey"></param>
/// <returns></returns>
public string GetLinkPath(List<string> listPath, string strKey)
{
foreach (string strPath in listPath)
{
if (strPath.Contains(strKey))
return strPath;
}
return "";
}
}