/// <summary>
/// Creates a piece of furniture.
/// </summary>
/// <param name="properties"> Properties of the object.</param>
private FamilyInstance CreateFurniture(FurnitureProperty properties)
{
if (properties is null)
{
throw new ArgumentNullException(nameof(properties));
}
// get the properties
double rotation = DeegreToRadians(properties.Rotation);
XYZ p0 = GetXYZFromProperties(properties.Coordinate.ElementAt(0));
XYZ p1 = GetXYZFromProperties(properties.Coordinate.ElementAt(1));
XYZ point = (p0 + p1) / 2;
string fsFamilyName = GetFamilySymbolName(properties.Type);
UV offset = GetFamilyOffset(properties.Type);
offset = new UV(UnitUtils.ConvertToInternalUnits(offset.U, UnitTypeId.Meters),
UnitUtils.ConvertToInternalUnits(offset.V, UnitTypeId.Meters));
offset = VectorManipulator.RotateVector(offset, rotation + baseRotation);
// Creates a point above the furniture to serve as a rotation axis
XYZ axisPoint = new XYZ(point.X, point.Y, baseLevel.Elevation + 1);
Line axis = Line.CreateBound(point, axisPoint);
FamilyInstance furniture;
try
{
FamilySymbol familySymbol = revitDB.GetFamilySymbol(fsFamilyName);
Autodesk.Revit.DB.Structure.StructuralType structuralType = Autodesk.Revit.DB.Structure.StructuralType.NonStructural;
furniture = doc.Create.NewFamilyInstance(point, familySymbol, structuralType);
ElementTransformUtils.RotateElement(doc, furniture.Id, axis, rotation + baseRotation);
ElementTransformUtils.MoveElement(doc, furniture.Id, VectorManipulator.TransformUVinXYZ(offset));
}
catch (Exception e)
{
throw new Exception("Erro ao inserir mobiliario \"" + fsFamilyName + "\".", e);
}
return(furniture);
}
/// <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 XYZ(0, 0, 1);
var yAxis = new 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 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
XYZ planeNormal = newEnd.IsAlmostEqualTo(start) ? zAxis : (newEnd - start).Normalize();
double gamma = upVector.AngleOnPlaneTo(zAxis.IsAlmostEqualTo(planeNormal) ? yAxis : zAxis, planeNormal);
return(new FamilyInstanceCreationData(curve, symbol, level, structuralType)
{
RotateAngle = gamma
});
}
