/// <summary>
/// Entry point for all revit family conversions. TODO: Check for Beams and Columns and any other "dedicated" speckle elements and convert them as such rather than to the generic "family instance" object.
/// </summary>
/// <param name="myElement"></param>
/// <returns></returns>
public static object ToSpeckle(this Autodesk.Revit.DB.FamilyInstance myFamily)
{
// TODO: check if this family is a column (BuiltInCategory.OST_StructuralColumns)
// or a beam (BuiltInCategory.OST_StructuralFraming or BuiltInCategory.OST_BeamAnalytical?)
if (myFamily.Category.Id.IntegerValue == (int)BuiltInCategory.OST_StructuralFraming)
{
if (myFamily.StructuralType == StructuralType.Beam)
{
return(BeamToSpeckle(myFamily));
}
else if (myFamily.StructuralType == StructuralType.Brace)
{
return(BraceToSpeckle(myFamily));
}
}
if (myFamily.Category.Id.IntegerValue == (int)BuiltInCategory.OST_StructuralColumns || myFamily.Category.Id.IntegerValue == (int)BuiltInCategory.OST_Columns)
{
return(ColumnToSpeckle(myFamily));
}
var speckleFamily = new SpeckleElementsClasses.FamilyInstance();
speckleFamily.parameters = GetElementParams(myFamily);
speckleFamily.typeParameters = GetElementTypeParams(myFamily);
var allSolids = GetElementSolids(myFamily, opt: new Options()
{
DetailLevel = ViewDetailLevel.Fine, ComputeReferences = true
});
var famSubElements = GetFamSubElements(myFamily);
foreach (var sb in famSubElements)
{
allSolids.AddRange(GetElementSolids(sb));
}
(speckleFamily.Faces, speckleFamily.Vertices) = GetFaceVertexArrFromSolids(allSolids);
speckleFamily.GenerateHash();
speckleFamily.ApplicationId = myFamily.UniqueId;
speckleFamily.elementId = myFamily.Id.ToString();
return(speckleFamily);
}
public static Autodesk.Revit.DB.FamilyInstance ToNative(this SpeckleElementsClasses.FamilyInstance myFamInst)
{
var(docObj, stateObj) = GetExistingElementByApplicationId(myFamInst.ApplicationId, myFamInst.Type);
// get family symbol; it's used throughout
FamilySymbol familySymbol = GetFamilySymbolByFamilyNameAndType(myFamInst.familyName, myFamInst.familyType);
// Freak out if we don't have a symbol.
if (familySymbol == null)
{
ConversionErrors.Add(new SpeckleConversionError {
Message = $"Missing family: {myFamInst.familyName} {myFamInst.familyType}"
});
throw new RevitFamilyNotFoundException($"No such family found in the project");
}
if (myFamInst.basePoint == null)
{
ConversionErrors.Add(new SpeckleConversionError {
Message = $"Could not create: {myFamInst.familyName} {myFamInst.familyType}"
});
throw new RevitFamilyNotFoundException($"Missing base point");
}
// Activate the symbol yo!
if (!familySymbol.IsActive)
{
familySymbol.Activate();
}
XYZ xyz = (XYZ)SpeckleCore.Converter.Deserialise(obj: myFamInst.basePoint, excludeAssebmlies: new string[] { "SpeckleCoreGeometryDynamo" });
if (docObj != null) // we have a document object already, so check if we can edit it.
{
var type = Doc.GetElement(docObj.GetTypeId()) as ElementType;
// if family changed, tough luck - delete and rewind
if (myFamInst.familyName != type.FamilyName)
{
//delete and continue crating it
Doc.Delete(docObj.Id);
}
// edit element
else
{
var existingFamilyInstance = (Autodesk.Revit.DB.FamilyInstance)docObj;
// check if type changed, and try and change it
if (myFamInst.familyType != null && (myFamInst.familyType != type.Name))
{
existingFamilyInstance.ChangeTypeId(familySymbol.Id);
}
//update location
var existingLocationPoint = existingFamilyInstance.Location as LocationPoint;
existingLocationPoint.Point = xyz;
var existingRotation = existingLocationPoint.Rotation * 180 / Math.PI;
if (existingRotation != myFamInst.rotation)
{
var r = (double)myFamInst.rotation;
XYZ point1 = new XYZ(xyz.X, xyz.Y, 0);
XYZ point2 = new XYZ(xyz.X, xyz.Y, 10);
if (existingRotation != 0)
{
r -= existingRotation;
}
Autodesk.Revit.DB.Line axis = Autodesk.Revit.DB.Line.CreateBound(point1, point2);
ElementTransformUtils.RotateElement(Doc, existingFamilyInstance.Id, axis, Math.PI * r / 180);
}
SetElementParams(existingFamilyInstance, myFamInst.parameters);
return(existingFamilyInstance);
}
}
else
{
var myTypeBasedFamInst = Doc.Create.NewFamilyInstance(xyz, familySymbol, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
SetElementParams(myTypeBasedFamInst, myFamInst.parameters);
if (myFamInst.rotation != null && myFamInst.rotation != 0)
{
var r = (double)myFamInst.rotation;
XYZ point1 = new XYZ(xyz.X, xyz.Y, 0);
XYZ point2 = new XYZ(xyz.X, xyz.Y, 10);
Autodesk.Revit.DB.Line axis = Autodesk.Revit.DB.Line.CreateBound(point1, point2);
ElementTransformUtils.RotateElement(Doc, myTypeBasedFamInst.Id, axis, Math.PI * r / 180);
}
return(myTypeBasedFamInst);
}
return(null);
}