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);
}
public static void CenterTextOnLine(global::Revit.Elements.Dimension dimension)
{
Autodesk.Revit.DB.Document doc = DocumentManager.Instance.CurrentDBDocument;
Autodesk.Revit.DB.Dimension internalDimension = (Autodesk.Revit.DB.Dimension)dimension.InternalElement;
Autodesk.Revit.DB.View ownerView = (Autodesk.Revit.DB.View)doc.GetElement(internalDimension.OwnerViewId);
//calculate offset distance from the view scale and the text size.
int viewScaleFactor = ownerView.Scale;
double textHeight = (double)internalDimension.DimensionType.get_Parameter(BuiltInParameter.TEXT_SIZE).AsDouble();
double offsetAmount = ((textHeight + 0.002604) / 2) * viewScaleFactor;
List <Line> dimCurve = GetCurve(dimension);
if (internalDimension.NumberOfSegments > 1)
{
for (int i = 0; i < internalDimension.NumberOfSegments; i++)
{
Autodesk.Revit.DB.Line dimLine = dimCurve[i].ToRevitType() as Autodesk.Revit.DB.Line;
var currentSegment = internalDimension.Segments.get_Item(i);
XYZ point = dimLine.Evaluate(0.5, true);
XYZ normal = dimLine.Direction.Normalize();
XYZ dir = new XYZ(0, 0, 1);
XYZ cross = normal.CrossProduct(dir);
if (cross.Y > 0)
{
offsetAmount = -offsetAmount;
}
XYZ pointEnd = point + (offsetAmount) * cross;
TransactionManager.Instance.EnsureInTransaction(doc);
currentSegment.TextPosition = pointEnd;
TransactionManager.Instance.TransactionTaskDone();
}
}
else
{
Autodesk.Revit.DB.Line singleLine = dimCurve.First().ToRevitType() as Autodesk.Revit.DB.Line;
XYZ point = singleLine.Evaluate(0.5, true);
XYZ normal = singleLine.Direction.Normalize();
XYZ dir = new XYZ(0, 0, 1);
XYZ cross = normal.CrossProduct(dir);
if (cross.Y > 0)
{
offsetAmount = -offsetAmount;
}
XYZ pointEnd = point + (offsetAmount) * cross;
TransactionManager.Instance.EnsureInTransaction(doc);
internalDimension.TextPosition = pointEnd;
TransactionManager.Instance.TransactionTaskDone();
}
}
public static List <Autodesk.DesignScript.Geometry.Line> GetCurve(global::Revit.Elements.Dimension dimension)
{
//convert to internal dimension
Autodesk.Revit.DB.Dimension internalDimension = (Autodesk.Revit.DB.Dimension)dimension.InternalElement;
Document doc = internalDimension.Document;
List <Autodesk.DesignScript.Geometry.Line> dimensionLine = new List <Line>();
if (internalDimension.NumberOfSegments > 1)
{
Autodesk.Revit.DB.DimensionSegmentArray dimSegArray = internalDimension.Segments;
List <Autodesk.Revit.DB.DimensionSegment> dimSegments = new List <DimensionSegment>();
foreach (Autodesk.Revit.DB.DimensionSegment seg in internalDimension.Segments)
{
dimSegments.Add(seg);
}
foreach (Autodesk.Revit.DB.DimensionSegment s in dimSegments)
{
var originPoint = s.Origin.ToPoint();
Autodesk.Revit.DB.Line dimCurve = (Autodesk.Revit.DB.Line)internalDimension.Curve;
var vector = dimCurve.Direction.ToVector();
var dimValue = s.Value.Value;
if (doc.DisplayUnitSystem.ToString() != "IMPERIAL")
{
dimValue = s.Value.Value * 304.8;
}
var startPoint =
(Autodesk.DesignScript.Geometry.Point)originPoint.Translate(vector.Reverse(), dimValue / 2);
var endPoint = (Autodesk.DesignScript.Geometry.Point)originPoint.Translate(vector, dimValue / 2);
dimensionLine.Add(Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(startPoint, endPoint));
}
}
else
{
var originPoint = internalDimension.Origin.ToPoint();
Autodesk.Revit.DB.Line dimCurve = (Autodesk.Revit.DB.Line)internalDimension.Curve;
var vector = dimCurve.Direction.ToVector();
var dimValue = internalDimension.Value.Value;
if (doc.DisplayUnitSystem.ToString() != "IMPERIAL")
{
dimValue = internalDimension.Value.Value * 304.8;
}
var startPoint =
(Autodesk.DesignScript.Geometry.Point)originPoint.Translate(vector.Reverse(), dimValue / 2);
var endPoint = (Autodesk.DesignScript.Geometry.Point)originPoint.Translate(vector, dimValue / 2);
dimensionLine.Add(Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(startPoint, endPoint));
}
return(dimensionLine);
}
internal FamilyInstances(Autodesk.Revit.DB.FamilySymbol fs, Autodesk.Revit.DB.Line line, Autodesk.Revit.DB.Level level)
{
SafeInit(() => InitFamilyInstance(fs, line, level));
}
