public static Elements.Column ColumnFromRevitColumn(ADSK.FamilyInstance column, Document doc)
{
if (column.Category.Id.IntegerValue != (int)BuiltInCategory.OST_Columns)
{
throw new InvalidCastException("The incoming family instance is not a column");
}
var geom = column.get_Geometry(new Options());
var downfaces = geom.Where(g => g.GetType() == typeof(Solid)).Cast <Solid>().Where(s => s != null).SelectMany(s => s.GetMostLikelyHorizontalFaces(30, true));
var profile = downfaces.First().GetProfiles(true).First();
if (profile.Area() < 0)
{
profile = profile.Reverse();
}
var baseCenter = (column.Location as LocationPoint).Point.ToVector3(true);
baseCenter.Z = baseCenter.Z + Elements.Units.FeetToMeters((doc.GetElement(column.LevelId) as Level).Elevation);
var transform = new Elements.Geometry.Transform(-baseCenter.X, -baseCenter.Y, -baseCenter.Z);
var zeroedProfile = transform.OfProfile(profile);
transform.Invert();
var col = new Elements.Column(transform.Origin, Elements.Units.FeetToMeters(GetHeightFromColumn(column)), zeroedProfile);
return(col);
}
/// <summary>
/// Return a new profile that is this profile scaled about the origin by the desired amount.
/// </summary>
public Elements.Geometry.Profile Scale(double amount)
{
var transform = new Elements.Geometry.Transform();
transform.Scale(amount);
return(transform.OfProfile(this));
}
