private void InitFamilyInstance(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.Reference reference, Autodesk.Revit.DB.XYZ location,
Autodesk.Revit.DB.XYZ referenceDirection)
{
//Phase 1 - Check to see if the object exists and should be rebound
var oldFam =
ElementBinder.GetElementFromTrace <Autodesk.Revit.DB.FamilyInstance>(Document);
//There was an existing family instance, rebind to that, and adjust its position
if (oldFam != null && oldFam.HostFace.ElementId == reference.ElementId)
{
InternalSetFamilyInstance(oldFam);
InternalSetFamilySymbol(fs);
InternalSetPosition(location);
return;
}
//Phase 2- There was no existing point, create one
TransactionManager.Instance.EnsureInTransaction(Document);
//If the symbol is not active, then activate it
if (!fs.IsActive)
{
fs.Activate();
}
var fi = Document.IsFamilyDocument
? Document.FamilyCreate.NewFamilyInstance(reference, location, referenceDirection, fs)
: Document.Create.NewFamilyInstance(reference, location, referenceDirection, fs);
InternalSetFamilyInstance(fi);
TransactionManager.Instance.TransactionTaskDone();
ElementBinder.SetElementForTrace(InternalElement);
}
private void InitFamilyInstance(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.Line line, Autodesk.Revit.DB.Level level)
{
//Phase 1 - Check to see if the object exists and should be rebound
var oldFam = ElementBinder.GetElementFromTrace <Autodesk.Revit.DB.FamilyInstance>(DocumentManager.Instance.CurrentDBDocument);
//There was a point, rebind to that, and adjust its position
if (oldFam != null)
{
InternalSetFamilyInstance(oldFam);
InternalSetLevel(level);
InternalSetFamilySymbol(fs);
InternalSetPosition(line);
return;
}
//Phase 2- There was no existing point, create one
TransactionManager.Instance.EnsureInTransaction(DocumentManager.Instance.CurrentDBDocument);
//If the symbol is not active, then activate it
if (!fs.IsActive)
{
fs.Activate();
}
var fi = DocumentManager.Instance.CurrentDBDocument.Create.NewFamilyInstance(line, fs, level, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
((Autodesk.Revit.DB.LocationCurve)fi.Location).Curve = line;
InternalSetFamilyInstance(fi);
TransactionManager.Instance.TransactionTaskDone();
ElementBinder.SetElementForTrace(InternalElement);
}
private void InitFamilyInstance(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.XYZ point, Autodesk.Revit.DB.View view)
{
//Phase 1 - Check to see if the object exists and should be rebound
var oldFam = ElementBinder.GetElementFromTrace <Autodesk.Revit.DB.FamilyInstance>(DocumentManager.Instance.CurrentDBDocument);
//There was a point, rebind to that, and adjust its position
if (oldFam != null)
{
InternalSetFamilyInstance(oldFam);
InternalSetFamilySymbol(fs);
return;
}
//Phase 2- There was no existing point, create one
TransactionManager.Instance.EnsureInTransaction(DocumentManager.Instance.CurrentDBDocument);
//If the symbol is not active, then activate it
if (!fs.IsActive)
{
fs.Activate();
}
var fi = DocumentManager.Instance.CurrentDBDocument.Create.NewFamilyInstance(point, fs, view);
InternalSetFamilyInstance(fi);
TransactionManager.Instance.TransactionTaskDone();
ElementBinder.SetElementForTrace(InternalElement);
}
protected void InternalSetFamilySymbol(Autodesk.Revit.DB.FamilySymbol fs)
{
TransactionManager.Instance.EnsureInTransaction(Document);
// Don't attempt to set the symbol if it is the same.
// Doing so will raise a document modification event which
// will, in turn, be responded to by this node causing an infinite loop.
if (InternalFamilyInstance.Symbol.UniqueId != fs.UniqueId)
{
InternalFamilyInstance.Symbol = fs;
}
TransactionManager.Instance.TransactionTaskDone();
}
internal FamilyInstances(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.Line line, Autodesk.Revit.DB.Level level)
{
SafeInit(() => InitFamilyInstance(fs, line, level));
}
internal FamilyInstances(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.XYZ point, Autodesk.Revit.DB.View view)
{
SafeInit(() => InitFamilyInstance(fs, point, view));
}
internal FamilyInstance(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.Reference reference, Autodesk.Revit.DB.XYZ location, Autodesk.Revit.DB.XYZ referenceDirection)
{
SafeInit(() => InitFamilyInstance(fs, reference, location, referenceDirection));
}
internal FamilyInstance(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.Reference reference, Autodesk.Revit.DB.Line pos)
{
SafeInit(() => InitFamilyInstance(fs, reference, pos));
}
/// <summary>
/// Internal constructor for a FamilyInstance
/// </summary>
internal FamilyInstance(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.XYZ pos)
{
SafeInit(() => InitFamilyInstance(fs, pos));
}
internal FamilyInstances(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.XYZ point, Autodesk.Revit.DB.Reference reference, Autodesk.Revit.DB.XYZ referenceDir)
{
SafeInit(() => InitFamilyInstance(fs, point, reference, referenceDir));
}
internal FamilyInstances(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.XYZ point, Autodesk.Revit.DB.Element host, Autodesk.Revit.DB.Level level)
{
SafeInit(() => InitFamilyInstance(fs, point, host, level));
}
/// <summary>
/// Initialize a StructuralFraming element
/// </summary>
private void InitStructuralFraming(Autodesk.Revit.DB.Curve curve, Autodesk.Revit.DB.XYZ upVector, Autodesk.Revit.DB.Level level, Autodesk.Revit.DB.Structure.StructuralType structuralType, Autodesk.Revit.DB.FamilySymbol symbol)
{
//Phase 1 - Check to see if the object exists and should be rebound
var oldFam =
ElementBinder.GetElementFromTrace <Autodesk.Revit.DB.FamilyInstance>(Document);
//There was a point, rebind to that, and adjust its position
if (oldFam != null)
{
InternalSetFamilyInstance(oldFam);
InternalSetFamilySymbol(symbol);
InternalSetCurve(curve);
return;
}
//Phase 2- There was no existing point, create one
TransactionManager.Instance.EnsureInTransaction(Document);
var creationData = GetCreationData(curve, upVector, level, structuralType, symbol);
Autodesk.Revit.DB.FamilyInstance fi;
if (Document.IsFamilyDocument)
{
var elementIds = Document.FamilyCreate.NewFamilyInstances2(new List <FamilyInstanceCreationData>()
{
creationData
});
if (elementIds.Count == 0)
{
throw new Exception(Properties.Resources.FamilyInstanceCreationFailure);
}
fi = (Autodesk.Revit.DB.FamilyInstance)Document.GetElement(elementIds.First());
}
else
{
var elementIds = Document.Create.NewFamilyInstances2(new List <FamilyInstanceCreationData>()
{
creationData
});
if (elementIds.Count == 0)
{
throw new Exception(Properties.Resources.FamilyInstanceCreationFailure);
}
fi = (Autodesk.Revit.DB.FamilyInstance)Document.GetElement(elementIds.First());
}
InternalSetFamilyInstance(fi);
TransactionManager.Instance.TransactionTaskDone();
ElementBinder.SetElementForTrace(this.InternalElement);
}
/// <summary>
/// Internal constructor - creates a single StructuralFraming instance
/// </summary>
internal StructuralFraming(Autodesk.Revit.DB.Curve curve, Autodesk.Revit.DB.Level level,
Autodesk.Revit.DB.Structure.StructuralType structuralType, Autodesk.Revit.DB.FamilySymbol symbol)
{
SafeInit(() => InitStructuralFraming(curve, level, structuralType, symbol));
}
private static FamilyInstanceCreationData GetCreationData(Autodesk.Revit.DB.Curve curve, Autodesk.Revit.DB.Level level, Autodesk.Revit.DB.Structure.StructuralType structuralType, Autodesk.Revit.DB.FamilySymbol symbol)
{
return(new FamilyInstanceCreationData(curve, symbol, level, structuralType));
}
private static FamilyInstanceCreationData GetCreationData(Autodesk.Revit.DB.Curve curve, Autodesk.Revit.DB.XYZ upVector, Autodesk.Revit.DB.Level level, Autodesk.Revit.DB.Structure.StructuralType structuralType, Autodesk.Revit.DB.FamilySymbol symbol)
{
//calculate the desired rotation
//we do this by finding the angle between the z axis
//and vector between the start of the beam and the target point
//both projected onto the start plane of the beam.
var zAxis = new Autodesk.Revit.DB.XYZ(0, 0, 1);
var yAxis = new Autodesk.Revit.DB.XYZ(0, 1, 0);
//flatten the beam line onto the XZ plane
//using the start's z coordinate
var start = curve.GetEndPoint(0);
var end = curve.GetEndPoint(1);
var newEnd = new Autodesk.Revit.DB.XYZ(end.X, end.Y, start.Z); //drop end point to plane
//catch the case where the end is directly above
//the start, creating a normal with zero length
//in that case, use the Z axis
var planeNormal = newEnd.IsAlmostEqualTo(start) ? zAxis : (newEnd - start).Normalize();
var gamma = upVector.AngleOnPlaneTo(zAxis.IsAlmostEqualTo(planeNormal) ? yAxis : zAxis, planeNormal);
return(new FamilyInstanceCreationData(curve, symbol, level, structuralType)
{
RotateAngle = gamma
});
}
