private Value GetCurvesFromFamily(Autodesk.Revit.DB.FamilyInstance fi, int count,
Autodesk.Revit.DB.Options options)
{
FamilySymbol fs = fi.Symbol;
//Autodesk.Revit.DB.GeometryElement geomElem = fs.get_Geometry(options);
Autodesk.Revit.DB.GeometryElement geomElem = fi.get_Geometry(options);
// our particular case of a loaded mass family with no joins has no geom in the instance
//fi.GetOriginalGeometry(options);
//fi.GetTransform()
Autodesk.Revit.DB.CurveArray curves = new CurveArray();
Autodesk.Revit.DB.ReferenceArray curveRefs = new ReferenceArray();
//Find all curves and insert them into curve array
AddCurves(fi, geomElem, count, ref curves);
//curves.Append(GetCurve(fi, options)); //test
//extract references for downstream use
foreach (Curve c in curves)
{
curveRefs.Append(c.Reference);
}
//convert curvearray into list using Stephens MakeEnumerable
Value result = Value.NewList(Utils.SequenceToFSharpList(
dynUtils.MakeEnumerable(curves).Select(Value.NewContainer)
));
return(result);
}
/// <summary>
///
/// Determine if the Geometry extracted from a FamilyInstance requires transformation.
///
/// Bizarrely, some FamilyInstance's geom is transformed and some not when obtained
/// from GetGeometryObjectFromReference. This is because some need to be transformed
/// to interact with adjacent geometry in the document. This stop-gap, suggested by
/// SC in the Revit API team, checks if there are any non-empty GeometryInstances in
/// FamilyInstance's geometry. Apparently this is a good heuristic for checking if
/// the geometry requires a transform or not.
///
/// </summary>
/// <param name="familyInstance"></param>
/// <returns></returns>
private static bool RequiresTransform(Autodesk.Revit.DB.FamilyInstance familyInstance)
{
var geom = familyInstance.get_Geometry(new Options());
return(geom.OfType <Autodesk.Revit.DB.GeometryInstance>()
.Any(x => x.GetInstanceGeometry().Any()));
}
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>
///
/// Determine if the Geometry extracted from a FamilyInstance requires transformation.
///
/// Bizarrely, some FamilyInstance's geom is transformed and some not when obtained
/// from GetGeometryObjectFromReference. This is because some need to be transformed
/// to interact with adjacent geometry in the document. This stop-gap, suggested by
/// SC in the Revit API team, checks if there are any non-empty GeometryInstances in
/// FamilyInstance's geometry. Apparently this is a good heuristic for checking if
/// the geometry requires a transform or not.
///
/// </summary>
/// <param name="familyInstance"></param>
/// <returns></returns>
private static bool RequiresTransform(Autodesk.Revit.DB.FamilyInstance familyInstance)
{
if (familyInstance.Category.Id.IntegerValue == (int)BuiltInCategory.OST_Mass)
{
return(false);
}
var geom = familyInstance.get_Geometry(new Options());
return(geom.OfType <Autodesk.Revit.DB.GeometryInstance>()
.Any(x => x.GetInstanceGeometry().Any()));
}
public static Elements.Column ColumnFromRevitColumn(Revit.FamilyInstance column)
{
if (column.Category.Id.IntegerValue != (int)BuiltInCategory.OST_StructuralColumns)
{
throw new InvalidCastException("The incoming family instance is not a structural column");
}
var geom = column.get_Geometry(new Options());
return(new Elements.Column(Vector3.Origin, 10, Polygon.Rectangle(1, 2)));
}
