public Wall GetHostWall(UIDocument uidoc, DoorInformation doorinfo)
{
Document doc = uidoc.Document;
View activeview = uidoc.ActiveView;
XYZ point = doorinfo.door_location;
FilteredElementCollector wallcollector = new FilteredElementCollector(doc, activeview.Id);
wallcollector.OfCategory(BuiltInCategory.OST_Walls).OfClass(typeof(Wall)).WhereElementIsNotElementType();
IEnumerable <Wall> selected = from ele in wallcollector
let wall = ele as Wall
let locationcurve = (ele as Wall).Location as LocationCurve
let curve = locationcurve.Curve
let line = curve as Line
let newline = Line.CreateBound(new XYZ(line.GetEndPoint(0).X, line.GetEndPoint(0).Y, point.Z), new XYZ(line.GetEndPoint(1).X, line.GetEndPoint(1).Y, point.Z))
let intersectionresulttmp = newline.Project(point)
let distance = intersectionresulttmp.Distance
where distance <= wall.Width
select wall;
if (selected.Count() == 0)
{
TaskDialog.Show("wrong", "未找到墙."); return(null);
}
if (selected.Count() > 1)
{
TaskDialog.Show("wrong", "找到多个墙."); return(null);
}
Wall hostwall = selected.First();
return(hostwall);
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = commandData.Application.ActiveUIDocument.Document;
View activeview = uidoc.ActiveView;
Level level = activeview.GenLevel;
if (activeview.UpDirection.X != 0 || activeview.UpDirection.Z != 0)
{
TaskDialog.Show("wrong", "请在平面视图内使用");
}
ExternalEventHandler handler = new ExternalEventHandler();
ExternalEvent exevent = ExternalEvent.Create(handler);
bool iscontinue = true;
do
{
DoorInformation doorinfo = GetDoorInfo(uidoc);
if (doorinfo == null)
{
iscontinue = false;
}
else
{
Wall hostwall = GetHostWall(uidoc, doorinfo);
if (hostwall == null)
{
TaskDialog.Show("wrong", "在找墙的时候遇到错误."); return(Result.Failed);
}
//creat door
FamilyInstance door = null;
using (Transaction transaction = new Transaction(doc))
{
transaction.Start("create the door");
door = doc.Create.NewFamilyInstance(doorinfo.door_location, doorinfo.door_symbol, hostwall, level, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
transaction.Commit();
}
}
} while (iscontinue);
return(Result.Succeeded);
}
public DoorInformation GetDoorInfo(UIDocument uidoc)
{
Document doc = uidoc.Document;
//selection
DetaiLineFilter detaillinefilter = new DetaiLineFilter();
TextFilter textfilter = new TextFilter();
Reference refdetailline1 = null;
Reference refdetailline2 = null;
Reference reftext = null;
try
{
refdetailline1 = uidoc.Selection.PickObject(ObjectType.Element, detaillinefilter, "选择第一根边线.");
refdetailline2 = uidoc.Selection.PickObject(ObjectType.Element, detaillinefilter, "选择第二根边线.");
reftext = uidoc.Selection.PickObject(ObjectType.Element, textfilter, "选择门标记.");
}
catch
{
return(null);
}
List <Line> lines = new List <Line>();
lines.Add((doc.GetElement(refdetailline1) as DetailLine).GeometryCurve as Line);
lines.Add((doc.GetElement(refdetailline2) as DetailLine).GeometryCurve as Line);
TextNote text = doc.GetElement(reftext) as TextNote;
//get family and symbol
string str = text.Text;
str = ProcessString(str);
Family doorfamily = GetDoorFamily(doc, str);
FamilySymbol doorsymbol = GetDoorSymbol(doc, doorfamily, str);
XYZ doorlocation = GetLoaction(lines);
DoorInformation doorinfo = new DoorInformation(doorsymbol, doorlocation);
return(doorinfo);
}
