static void CreateFaceWalls(
Document doc)
{
Application app = doc.Application;
Document massDoc = app.NewFamilyDocument(
_conceptual_mass_template_path );
CreateMassExtrusion( massDoc );
//if( File.Exists( _family_path ) )
// File.Delete( _family_path );
SaveAsOptions opt = new SaveAsOptions();
opt.OverwriteExistingFile = true;
massDoc.SaveAs( _family_path, opt );
using( Transaction tx = new Transaction( doc ) )
{
tx.Start( "Create FaceWall" );
if( !doc.LoadFamily( _family_path ) )
throw new Exception( "DID NOT LOAD FAMILY" );
Family family = new FilteredElementCollector( doc )
.OfClass( typeof( Family ) )
.Where<Element>( x => x.Name.Equals( _family_name ) )
.Cast<Family>()
.FirstOrDefault();
FamilySymbol fs = doc.GetElement(
family.GetFamilySymbolIds().First<ElementId>() )
as FamilySymbol;
// Create a family instance
Level level = doc.ActiveView.GenLevel;
FamilyInstance fi = doc.Create.NewFamilyInstance(
XYZ.Zero, fs, level, StructuralType.NonStructural );
doc.Regenerate(); // required to generate the geometry!
// Determine wall type.
WallType wallType = new FilteredElementCollector( doc )
.OfClass( typeof( WallType ) )
.Cast<WallType>()
.Where<WallType>( x => FaceWall.IsWallTypeValidForFaceWall( doc, x.Id ) )
.FirstOrDefault();
// Retrieve mass element geometry.
Options options = app.Create.NewGeometryOptions();
options.ComputeReferences = true;
//options.View = doc.ActiveView; // conceptual mass is not visible in default view
GeometryElement geo = fi.get_Geometry( options );
// Create a sloped wall from the geometry.
foreach( GeometryObject obj in geo )
{
Solid solid = obj as Solid;
if( null != solid )
{
foreach( Face f in solid.Faces )
{
Debug.Assert( null != f.Reference,
"we asked for references, didn't we?" );
PlanarFace pf = f as PlanarFace;
if( null != pf )
{
XYZ v = pf.FaceNormal;
// Errors:
//
// Could not create a face wall.
//
// Caused by using ActiveView.Level
// instead of ActiveView.GenLevel.
//
// This reference cannot be applied to a face wall.
//
// Caused by using this on a horizontal face.
if( !Util.IsVertical( v ) )
{
FaceWall.Create(
doc, wallType.Id,
WallLocationLine.CoreCenterline,
f.Reference );
}
}
}
}
}
tx.Commit();
}
}
