/// <summary>
/// create brace of certain type in certain position between two adjacent columns
/// </summary>
/// <param name="point2D1">one point of the location line in 2D</param>
/// <param name="point2D2">another point of the location line in 2D</param>
/// <param name="baseLevel">the base level of the brace</param>
/// <param name="topLevel">the top level of the brace</param>
/// <param name="braceType">type of beam</param>
/// <param name="isXDirection">whether the location line is in x direction</param>
private void PlaceBrace(UV point2D1, UV point2D2, Level baseLevel, Level topLevel, FamilySymbol braceType, bool isXDirection)
{
//get the start points and end points of location lines of two braces
double topHeight = topLevel.Elevation;
double baseHeight = baseLevel.Elevation;
double middleElevation = (topHeight + baseHeight) / 2;
double middleHeight = (topHeight - baseHeight) / 2;
XYZ startPoint = m_doc.Document.Application.Create.NewXYZ(point2D1.U, point2D1.V, middleElevation);
XYZ endPoint = m_doc.Document.Application.Create.NewXYZ(point2D2.U, point2D2.V, middleElevation);
XYZ middlePoint;
if (isXDirection)
{
middlePoint = m_doc.Document.Application.Create.NewXYZ((point2D1.U + point2D2.U) / 2, point2D2.V, topHeight);
}
else
{
middlePoint = middlePoint = m_doc.Document.Application.Create.NewXYZ(point2D2.U, (point2D1.V + point2D2.V) / 2, topHeight);
}
//create two brace and set their location line
STRUCTURALTYPE structuralType = Autodesk.Revit.DB.Structure.StructuralType.Brace;
ElementId levelId = topLevel.Id;
ElementId startLevelId = baseLevel.Id;
ElementId endLevelId = topLevel.Id;
FamilyInstance firstBrace = m_doc.Document.Create.NewFamilyInstance(startPoint, braceType, structuralType);
LocationCurve braceCurve1 = firstBrace.Location as LocationCurve;
if (null != braceCurve1)
{
Line line = Line.CreateBound(startPoint, middlePoint);
braceCurve1.Curve = line;
}
Parameter referenceLevel1 = firstBrace.get_Parameter(BuiltInParameter.INSTANCE_REFERENCE_LEVEL_PARAM);
if (null != referenceLevel1)
{
referenceLevel1.Set(levelId);
}
FamilyInstance secondBrace = m_doc.Document.Create.NewFamilyInstance(endPoint, braceType, baseLevel, structuralType);
LocationCurve braceCurve2 = secondBrace.Location as LocationCurve;
if (null != braceCurve2)
{
Line line = Line.CreateBound(endPoint, middlePoint);
braceCurve2.Curve = line;
}
Parameter referenceLevel2 = secondBrace.get_Parameter(BuiltInParameter.INSTANCE_REFERENCE_LEVEL_PARAM);
if (null != referenceLevel2)
{
referenceLevel2.Set(levelId);
}
}
/// <summary>
/// create brace of certain type in certain position between two adjacent columns
/// </summary>
/// <param name="point2D1">one point of the location line in 2D</param>
/// <param name="point2D2">another point of the location line in 2D</param>
/// <param name="baseLevel">the base level of the brace</param>
/// <param name="topLevel">the top level of the brace</param>
/// <param name="braceType">type of beam</param>
/// <param name="isXDirection">whether the location line is in x direction</param>
private void PlaceBrace(Autodesk.Revit.DB.UV point2D1, Autodesk.Revit.DB.UV point2D2, Level baseLevel, Level topLevel, FamilySymbol braceType, bool isXDirection)
{
//get the start points and end points of location lines of two braces
double topHeight = topLevel.Elevation;
double baseHeight = baseLevel.Elevation;
double middleElevation = (topHeight + baseHeight) / 2;
double middleHeight = (topHeight - baseHeight) / 2;
Autodesk.Revit.DB.XYZ startPoint = new Autodesk.Revit.DB.XYZ(point2D1.U, point2D1.V, middleElevation);
Autodesk.Revit.DB.XYZ endPoint = new Autodesk.Revit.DB.XYZ(point2D2.U, point2D2.V, middleElevation);
Autodesk.Revit.DB.XYZ middlePoint;
if (isXDirection)
{
middlePoint = new Autodesk.Revit.DB.XYZ((point2D1.U + point2D2.U) / 2, point2D2.V, topHeight);
}
else
{
middlePoint = new Autodesk.Revit.DB.XYZ(point2D2.U, (point2D1.V + point2D2.V) / 2, topHeight);
}
//create two brace and set their location line
STRUCTURALTYPE structuralType = Autodesk.Revit.DB.Structure.StructuralType.Brace;
Autodesk.Revit.DB.ElementId levelId = topLevel.Id;
Autodesk.Revit.DB.ElementId startLevelId = baseLevel.Id;
Autodesk.Revit.DB.ElementId endLevelId = topLevel.Id;
Line line1 = Line.CreateBound(startPoint, middlePoint);
if (!braceType.IsActive)
{
braceType.Activate();
}
FamilyInstance firstBrace = m_revit.ActiveUIDocument.Document.Create.NewFamilyInstance(line1, braceType, baseLevel, structuralType);
Parameter referenceLevel1 = firstBrace.get_Parameter(BuiltInParameter.INSTANCE_REFERENCE_LEVEL_PARAM);
if (null != referenceLevel1)
{
referenceLevel1.Set(levelId);
}
Line line2 = Line.CreateBound(endPoint, middlePoint);
FamilyInstance secondBrace = m_revit.ActiveUIDocument.Document.Create.NewFamilyInstance(line2, braceType, baseLevel, structuralType);
Parameter referenceLevel2 = secondBrace.get_Parameter(BuiltInParameter.INSTANCE_REFERENCE_LEVEL_PARAM);
if (null != referenceLevel2)
{
referenceLevel2.Set(levelId);
}
}
/// <summary>
/// create beam of certain type in certain position
/// </summary>
/// <param name="point2D1">one point of the location line in 2D</param>
/// <param name="point2D2">another point of the location line in 2D</param>
/// <param name="baseLevel">the base level of the beam</param>
/// <param name="topLevel">the top level of the beam</param>
/// <param name="beamType">type of beam</param>
/// <returns>nothing</returns>
private void PlaceBeam(Autodesk.Revit.DB.UV point2D1, Autodesk.Revit.DB.UV point2D2, Level baseLevel, Level topLevel, FamilySymbol beamType)
{
double height = topLevel.Elevation;
Autodesk.Revit.DB.XYZ startPoint = new Autodesk.Revit.DB.XYZ(point2D1.U, point2D1.V, height);
Autodesk.Revit.DB.XYZ endPoint = new Autodesk.Revit.DB.XYZ(point2D2.U, point2D2.V, height);
Autodesk.Revit.DB.ElementId topLevelId = topLevel.Id;
Line line = Line.CreateBound(startPoint, endPoint);
STRUCTURALTYPE structuralType = Autodesk.Revit.DB.Structure.StructuralType.Beam;
m_revit.ActiveUIDocument.Document.Create.NewFamilyInstance(line, beamType, topLevel, structuralType);
}
/// <summary>
/// create beam of certain type in certain position
/// </summary>
/// <param name="point2D1">one point of the location line in 2D</param>
/// <param name="point2D2">another point of the location line in 2D</param>
/// <param name="baseLevel">the base level of the beam</param>
/// <param name="topLevel">the top level of the beam</param>
/// <param name="beamType">type of beam</param>
/// <returns>nothing</returns>
private void PlaceBeam(UV point2D1, UV point2D2, Level baseLevel, Level topLevel, FamilySymbol beamType)
{
// create start and end points for beam
double height = topLevel.Elevation;
XYZ startPoint = m_doc.Document.Application.Create.NewXYZ(point2D1.U, point2D1.V, height);
XYZ endPoint = m_doc.Document.Application.Create.NewXYZ(point2D2.U, point2D2.V, height);
ElementId topLevelId = topLevel.Id;
STRUCTURALTYPE structuralType = Autodesk.Revit.DB.Structure.StructuralType.Beam;
FamilyInstance beam = m_doc.Document.Create.NewFamilyInstance(startPoint, beamType, topLevel, structuralType);
LocationCurve beamCurve = beam.Location as LocationCurve;
if (null != beamCurve)
{
Line line = Line.CreateBound(startPoint, endPoint);
beamCurve.Curve = line;
}
}
private 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
});
}
/// <summary>
/// Internal constructor - creates a single StructuralFraming instance
/// </summary>
internal StructuralFraming(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("Could not create the FamilyInstance");
}
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("Could not create the FamilyInstance");
}
fi = (Autodesk.Revit.DB.FamilyInstance)Document.GetElement(elementIds.First());
}
InternalSetFamilyInstance(fi);
TransactionManager.Instance.TransactionTaskDone();
ElementBinder.SetElementForTrace(this.InternalElement);
}