public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
try
{
WaitCursor waitCursor = new WaitCursor();
UIApplication app = commandData.Application;
Document doc = app.ActiveUIDocument.Document;
Autodesk.Revit.Creation.Application createApp = app.Application.Create;
Autodesk.Revit.Creation.Document createDoc = doc.Create;
using (Transaction t = new Transaction(doc))
{
t.Start("Create Little House");
// Determine the four corners of the rectangular house:
double width = 7 * LabConstants.MeterToFeet;
double depth = 4 * LabConstants.MeterToFeet;
List <XYZ> corners = new List <XYZ>(4);
corners.Add(XYZ.Zero);
corners.Add(new XYZ(width, 0, 0));
corners.Add(new XYZ(width, depth, 0));
corners.Add(new XYZ(0, depth, 0));
#region Test creating two levels
#if CREATE_TWO_LEVELS
Level levelBottom = null;
Level levelMiddle = null;
Level levelTop = null;
List <Element> levels = new List <Element>();
Filter filterType
= createApp.Filter.NewTypeFilter(
typeof(Level));
doc.get_Elements(filterType, levels);
foreach (Element e in levels)
{
if (null == levelBottom)
{
levelBottom = e as Level;
}
else if (null == levelMiddle)
{
levelMiddle = e as Level;
}
else if (null == levelTop)
{
levelTop = e as Level;
}
else
{
break;
}
}
BuiltInParameter topLevelParam
= BuiltInParameter.WALL_HEIGHT_TYPE;
Line line;
Wall wall;
Parameter param;
ElementId topId = levelMiddle.Id;
List <Wall> walls = new List <Wall>(8);
for (int i = 0; i < 4; ++i)
{
line = createApp.NewLineBound(
corners[i], corners[3 == i ? 0 : i + 1]);
wall = createDoc.NewWall(
line, levelBottom, false);
param = wall.get_Parameter(topLevelParam);
param.Set(ref topId);
walls.Add(wall);
}
topId = levelTop.Id;
for (int i = 0; i < 4; ++i)
{
line = createApp.NewLineBound(
corners[i], corners[3 == i ? 0 : i + 1]);
wall = createDoc.NewWall(
line, levelMiddle, false);
param = wall.get_Parameter(topLevelParam);
param.Set(ref topId);
walls.Add(wall);
}
List <Element> doorSymbols
= LabUtils.GetAllFamilySymbols(
app, BuiltInCategory.OST_Doors);
Debug.Assert(
0 < doorSymbols.Count,
"expected at least one door symbol"
+ " to be loaded into project");
FamilySymbol door
= doorSymbols[0] as FamilySymbol;
XYZ midpoint = LabUtils.Midpoint(
corners[0], corners[1]);
FamilyInstance inst0
= createDoc.NewFamilyInstance(
midpoint, door, walls[0], levelBottom,
StructuralType.NonStructural);
midpoint.Z = levelMiddle.Elevation;
FamilyInstance inst1
= createDoc.NewFamilyInstance(
midpoint, door, walls[4], levelMiddle,
StructuralType.NonStructural);
#endif // CREATE_TWO_LEVELS
#endregion // Test creating two levels
// Determine the levels where the walls will be located:
Level levelBottom = null;
Level levelTop = null;
if (!LabUtils.GetBottomAndTopLevels(doc, ref levelBottom, ref levelTop))
{
message = "Unable to determine wall bottom and top levels";
return(Result.Failed);
}
Debug.Print(string.Format("Drawing walls on '{0}' up to '{1}'",
levelBottom.Name, levelTop.Name));
// Create the walls:
BuiltInParameter topLevelParam = BuiltInParameter.WALL_HEIGHT_TYPE;
ElementId levelBottomId = levelBottom.Id;
ElementId topLevelId = levelTop.Id;
List <Wall> walls = new List <Wall>(4);
for (int i = 0; i < 4; ++i)
{
Line line = Line.CreateBound(corners[i], corners[3 == i ? 0 : i + 1]);
//Wall wall = createDoc.NewWall( line, levelBottom, false ); // 2012
Wall wall = Wall.Create(doc, line, levelBottomId, false); // 2013
Parameter param = wall.get_Parameter(topLevelParam);
param.Set(topLevelId);
walls.Add(wall);
}
// Determine wall thickness for tag offset and profile growth:
//double wallThickness = walls[0].WallType.CompoundStructure.Layers.get_Item( 0 ).Thickness; // 2011
//double wallThickness = walls[0].WallType.GetCompoundStructure().GetLayers()[0].Width; // 2012
double wallThickness = walls[0].WallType.Width; // simpler and more direct property available in 2012
// Add door and windows to the first wall;
// note that the NewFamilyInstance() api method does not automatically add door
// and window tags, like the ui command does. we add tags here by making additional calls
// to NewTag():
FamilySymbol door = LabUtils.GetFirstFamilySymbol(doc, BuiltInCategory.OST_Doors);
if (null == door)
{
LabUtils.InfoMsg("No door symbol found.");
return(Result.Failed);
}
FamilySymbol window = LabUtils.GetFirstFamilySymbol(
doc, BuiltInCategory.OST_Windows);
if (null == window)
{
LabUtils.InfoMsg("No window symbol found.");
return(Result.Failed);
}
XYZ midpoint = LabUtils.Midpoint(corners[0], corners[1]);
XYZ p = LabUtils.Midpoint(corners[0], midpoint);
XYZ q = LabUtils.Midpoint(midpoint, corners[1]);
double tagOffset = 3 * wallThickness;
//double windowHeight = 1 * LabConstants.MeterToFeet;
double windowHeight = levelBottom.Elevation + 0.3 * (
levelTop.Elevation - levelBottom.Elevation);
p = new XYZ(p.X, p.Y, windowHeight);
q = new XYZ(q.X, q.Y, windowHeight);
View view = doc.ActiveView;
door.Activate(); // 2016
FamilyInstance inst = createDoc.NewFamilyInstance(
midpoint, door, walls[0], levelBottom, StructuralType.NonStructural);
midpoint += tagOffset * XYZ.BasisY;
//IndependentTag tag = createDoc.NewTag(
// view, inst, false, TagMode.TM_ADDBY_CATEGORY,
// TagOrientation.Horizontal, midpoint ); // 2017
IndependentTag tag = IndependentTag.Create(
doc, view.Id, new Reference(inst),
false, TagMode.TM_ADDBY_CATEGORY,
TagOrientation.Horizontal, midpoint); // 2018
IList <FamilyPointPlacementReference> fpprefs = inst.GetFamilyPointPlacementReferences();
IList <Reference> refs = inst.GetReferences(FamilyInstanceReferenceType.CenterLeftRight);
//IndependentTag tag = IndependentTag.Create( doc,
// view.Id, refs[0], false, TagMode.TM_ADDBY_CATEGORY,
// TagOrientation.Horizontal, midpoint ); // 2018
window.Activate(); // 2016
inst = createDoc.NewFamilyInstance(p, window,
walls[0], levelBottom, StructuralType.NonStructural);
p += tagOffset * XYZ.BasisY;
//tag = createDoc.NewTag( view, inst,
// false, TagMode.TM_ADDBY_CATEGORY,
// TagOrientation.Horizontal, p ); // 2017
tag = IndependentTag.Create(
doc, view.Id, new Reference(inst),
false, TagMode.TM_ADDBY_CATEGORY,
TagOrientation.Horizontal, p); // 2018
inst = createDoc.NewFamilyInstance(q, window, walls[0],
levelBottom, StructuralType.NonStructural);
q += tagOffset * XYZ.BasisY;
//tag = createDoc.NewTag( view, inst,
// false, TagMode.TM_ADDBY_CATEGORY,
// TagOrientation.TAG_HORIZONTAL, q ); // 2011
//tag = createDoc.NewTag( view, inst,
// false, TagMode.TM_ADDBY_CATEGORY,
// TagOrientation.Horizontal, q ); // 2012
tag = IndependentTag.Create(
doc, view.Id, new Reference(inst),
false, TagMode.TM_ADDBY_CATEGORY,
TagOrientation.Horizontal, p); // 2018
// Grow the profile out by half the wall thickness,
// so the floor and roof do not stop halfway through the wall:
double w = 0.5 * wallThickness;
corners[0] -= w * (XYZ.BasisX + XYZ.BasisY);
corners[1] += w * (XYZ.BasisX - XYZ.BasisY);
corners[2] += w * (XYZ.BasisX + XYZ.BasisY);
corners[3] -= w * (XYZ.BasisX - XYZ.BasisY);
CurveArray profile = new CurveArray();
for (int i = 0; i < 4; ++i)
{
//Line line = createApp.NewLineBound( // 2013
Line line = Line.CreateBound( // 2014
corners[i], corners[3 == i ? 0 : i + 1]);
profile.Append(line);
}
// Add a floor, a roof and the roof slope:
bool structural = false;
Floor floor = createDoc.NewFloor(
profile, structural);
List <Element> roofTypes
= new List <Element>(
LabUtils.GetElementsOfType(
doc, typeof(RoofType),
BuiltInCategory.OST_Roofs));
Debug.Assert(0 < roofTypes.Count,
"expected at least one roof type"
+ " to be loaded into project");
// Ensure that we get a valid roof type.
// In Revit 2013, the first one encountered
// is sloped glazing with zero entries in
// its compound layers; actually, the entire
// compound structure is null:
//RoofType roofType = null;
//foreach( RoofType rt in roofTypes )
//{
// CompoundStructure cs = rt.GetCompoundStructure();
// if( null != cs
// && 0 < cs.GetLayers().Count )
// {
// roofType = rt;
// break;
// }
//}
RoofType roofType = roofTypes
.Cast <RoofType>()
.FirstOrDefault <RoofType>(typ
=> null != typ.GetCompoundStructure());
ModelCurveArray modelCurves
= new ModelCurveArray();
FootPrintRoof roof
= createDoc.NewFootPrintRoof(profile,
levelTop, roofType, out modelCurves);
// Regenerate the model after roof creation,
// otherwise the calls to set_DefinesSlope and
// set_SlopeAngle throw the exception "Unable
// to access curves from the roof sketch."
doc.Regenerate();
// The argument to set_SlopeAngle is NOT an
// angle, it is really a slope, i.e. relation
// of height to distance, e.g. 0.5 = 6" / 12",
// 0.75 = 9" / 12", etc.
double slope = 0.3;
foreach (ModelCurve curve in modelCurves)
{
roof.set_DefinesSlope(curve, true);
roof.set_SlopeAngle(curve, slope);
}
// Add a room and a room tag:
Room room = createDoc.NewRoom(levelBottom,
new UV(0.5 * width, 0.5 * depth));
//RoomTag roomTag = createDoc.NewRoomTag(
// room, new UV( 0.5 * width, 0.7 * depth ),
// null ); // 2014
RoomTag roomTag = createDoc.NewRoomTag(
new LinkElementId(room.Id),
new UV(0.5 * width, 0.7 * depth),
null); // 2015
//doc.AutoJoinElements(); // todo: remove this, the transaction should perform this automatically
//LabUtils.InfoMsg( "Little house was created successfully." );
//#region Test setting BaseOffset and LimitOffset
//// 11334196 [Failed to set Room.BaseOffset and Room.LimitOffset properties]
//double h = 0.123;
//room.BaseOffset = -h;
//room.LimitOffset = h + h;
//#endregion // Test setting BaseOffset and LimitOffset
t.Commit();
return(Result.Succeeded);
}
}
catch (Exception ex)
{
message = ex.Message;
return(Result.Failed);
}
}