/***************************************************/
/**** Private methods ****/
/***************************************************/
private static XYZ CeilingPatternAlignment(this Ceiling ceiling, Material material, RevitSettings settings, out double rotation)
{
rotation = 0;
if (ceiling == null || material == null)
{
return(null);
}
Document doc = ceiling.Document;
FillPatternElement fillPatternElement;
#if (REVIT2020 || REVIT2021)
fillPatternElement = doc.GetElement(material.SurfaceForegroundPatternId) as FillPatternElement;
#else
fillPatternElement = doc.GetElement(material.SurfacePatternId) as FillPatternElement;
#endif
FillPattern fp = fillPatternElement?.GetFillPattern();
if (fp == null || fp.GridCount != 2)
{
return(null);
}
XYZ result = null;
settings = settings.DefaultIfNull();
Options o = new Options();
o.ComputeReferences = true;
Document hostDoc = doc.IsLinked ? doc.HostDocument() : doc;
RevitLinkInstance linkInstance = doc.IsLinked ? doc.LinkInstance() : null;
Transform linkTransform = linkInstance == null ? Transform.Identity : linkInstance.GetTotalTransform();
foreach (GeometryObject go in ceiling.get_Geometry(o))
{
if (go is Solid)
{
foreach (Autodesk.Revit.DB.Face f in ((Solid)go).Faces)
{
PlanarFace pf = f as PlanarFace;
if (pf == null)
{
continue;
}
if (1 + pf.FaceNormal.DotProduct(XYZ.BasisZ) > settings.AngleTolerance)
{
continue;
}
Reference faceRef = f.Reference;
if (doc.IsLinked)
{
faceRef = faceRef.CreateLinkReference(linkInstance).PrepareForLinkDimensioning(hostDoc);
}
string stableRef = faceRef.ConvertToStableRepresentation(hostDoc);
ReferenceArray horR = new ReferenceArray();
horR.Append(Reference.ParseFromStableRepresentation(hostDoc, stableRef + "/2"));
horR.Append(Reference.ParseFromStableRepresentation(hostDoc, stableRef + "/" + (2 + fp.GridCount * 2).ToString()));
ReferenceArray verR = new ReferenceArray();
verR.Append(Reference.ParseFromStableRepresentation(hostDoc, stableRef + "/1"));
verR.Append(Reference.ParseFromStableRepresentation(hostDoc, stableRef + "/" + (1 + fp.GridCount * 2).ToString()));
using (Transaction t = new Transaction(hostDoc, "temp dim"))
{
t.Start();
Dimension horDim = hostDoc.Create.NewDimension(hostDoc.ActiveView, Autodesk.Revit.DB.Line.CreateBound(XYZ.Zero, pf.XVector), horR);
Dimension verDim = hostDoc.Create.NewDimension(hostDoc.ActiveView, Autodesk.Revit.DB.Line.CreateBound(XYZ.Zero, pf.YVector), verR);
ElementTransformUtils.MoveElement(hostDoc, horDim.Id, XYZ.BasisX);
ElementTransformUtils.MoveElement(hostDoc, verDim.Id, XYZ.BasisX);
rotation = -(horDim.Curve as Autodesk.Revit.DB.Line).Direction.AngleOnPlaneTo(XYZ.BasisX, XYZ.BasisZ);
rotation += linkTransform.BasisX.AngleOnPlaneTo(XYZ.BasisX, XYZ.BasisZ);
Transform tr = Transform.CreateRotation(XYZ.BasisZ, rotation);
double x = tr.Inverse.OfPoint(linkTransform.Inverse.OfPoint(horDim.Origin)).X;
double y = tr.Inverse.OfPoint(linkTransform.Inverse.OfPoint(verDim.Origin)).Y;
t.RollBack();
foreach (FillGrid fg in fp.GetFillGrids())
{
if (fg.Angle.ToSI(UnitType.UT_Angle) > settings.AngleTolerance)
{
y += fg.Offset * 0.5;
}
else
{
x += fg.Offset * 0.5;
}
}
result = tr.OfPoint(new XYZ(x, y, 0));
break;
}
}
}
}
return(result);
}
