/***************************************************/
private static FamilyInstance FamilyInstance_WorkPlaneBased(Document document, FamilySymbol familySymbol, Curve curve, Element host, RevitSettings settings)
{
Line line = curve as Line;
if (line == null)
{
familySymbol.LinearOnlyError();
return(null);
}
Line location;
Reference reference;
if (host != null)
{
location = host.ClosestLineOn(line, out reference);
}
else
{
location = line;
Level level = document.LevelBelow(line, settings);
if (level == null)
{
return(null);
}
reference = level.GetPlaneReference();
}
if (location == null || reference == null)
{
return(null);
}
FamilyInstance familyInstance = document.Create.NewFamilyInstance(reference, location, familySymbol);
if (familyInstance == null)
{
return(null);
}
if (host == null)
{
familyInstance.CurveBasedNonHostedWarning();
}
else
{
familyInstance.CurveBasedHostedWarning();
}
return(familyInstance);
}
/***************************************************/
private static FamilyInstance FamilyInstance_CurveBased(Document document, FamilySymbol familySymbol, Curve curve, Element host, RevitSettings settings)
{
Line line = curve as Line;
if (line == null)
{
familySymbol.LinearOnlyError();
return(null);
}
Level level = document.LevelBelow(line, settings);
if (level == null)
{
return(null);
}
FamilyInstance familyInstance = null;
if (host == null)
{
familyInstance = document.Create.NewFamilyInstance(line, familySymbol, level, StructuralType.NonStructural);
if (familyInstance == null)
{
return(null);
}
familyInstance.CurveBasedNonHostedWarning();
}
else
{
Reference reference;
Line location = host.ClosestLineOn(line, out reference);
if (location != null && reference != null)
{
familyInstance = document.Create.NewFamilyInstance(reference, location, familySymbol);
}
if (familyInstance != null && location.GetEndPoint(0).DistanceTo(line.GetEndPoint(0)) > settings.DistanceTolerance || location.GetEndPoint(1).DistanceTo(line.GetEndPoint(1)) > settings.DistanceTolerance)
{
BH.Engine.Reflection.Compute.RecordWarning($"The location line of the created family instance has been snapped to the closest face of the host element. ElementId: {familyInstance.Id.IntegerValue}");
}
}
return(familyInstance);
}