/***************************************************/
public static BH.oM.Geometry.Line LocationCurveColumn(this FamilyInstance familyInstance, RevitSettings settings = null)
{
settings = settings.DefaultIfNull();
BH.oM.Geometry.Line curve = null;
if (familyInstance.IsSlantedColumn)
{
curve = (familyInstance.Location as LocationCurve).Curve.IFromRevit() as BH.oM.Geometry.Line;
}
else
{
Parameter baseLevelParam = familyInstance.get_Parameter(BuiltInParameter.FAMILY_BASE_LEVEL_PARAM);
if (baseLevelParam != null)
{
Parameter topLevelParam = familyInstance.get_Parameter(BuiltInParameter.FAMILY_TOP_LEVEL_PARAM);
Parameter baseOffsetParam = familyInstance.get_Parameter(BuiltInParameter.FAMILY_BASE_LEVEL_OFFSET_PARAM);
Parameter topOffsetParam = familyInstance.get_Parameter(BuiltInParameter.FAMILY_TOP_LEVEL_OFFSET_PARAM);
double baseLevel = (familyInstance.Document.GetElement(baseLevelParam.AsElementId()) as Level).ProjectElevation;
double topLevel = (familyInstance.Document.GetElement(topLevelParam.AsElementId()) as Level).ProjectElevation;
double baseOffset = baseOffsetParam.AsDouble();
double topOffset = topOffsetParam.AsDouble();
XYZ loc = (familyInstance.Location as LocationPoint).Point;
XYZ baseNode = new XYZ(loc.X, loc.Y, baseLevel + baseOffset);
XYZ topNode = new XYZ(loc.X, loc.Y, topLevel + topOffset);
curve = new oM.Geometry.Line {
Start = baseNode.PointFromRevit(), End = topNode.PointFromRevit()
};
}
}
if (curve != null)
{
Output <double, double> extensions = familyInstance.ColumnExtensions(settings);
double startExtension = extensions.Item1;
double endExtension = extensions.Item2;
if (Math.Abs(startExtension) > settings.DistanceTolerance || Math.Abs(endExtension) > settings.DistanceTolerance)
{
Vector direction = curve.Direction();
curve = new oM.Geometry.Line {
Start = curve.Start - direction * startExtension, End = curve.End + direction * endExtension
};
}
}
if (curve == null)
{
familyInstance.FramingCurveNotFoundWarning();
}
return(curve);
}
/***************************************************/
public static ICurve LocationCurveFraming(this FamilyInstance familyInstance, RevitSettings settings = null)
{
settings = settings.DefaultIfNull();
ICurve curve = (familyInstance.Location as LocationCurve)?.Curve?.IFromRevit();
if (curve == null || (!(curve is NurbsCurve) && curve.ILength() <= settings.DistanceTolerance))
{
familyInstance.FramingCurveNotFoundWarning();
return(null);
}
BH.oM.Geometry.Line line = curve as BH.oM.Geometry.Line;
if (line == null)
{
familyInstance.NonLinearFramingOffsetWarning();
return(curve);
}
Transform transform = familyInstance.GetTotalTransform();
Vector dir = line.Direction();
BH.oM.Geometry.Plane startPlane = new oM.Geometry.Plane {
Origin = line.Start, Normal = dir
};
BH.oM.Geometry.Plane endPlane = new oM.Geometry.Plane {
Origin = line.End, Normal = dir
};
BH.oM.Geometry.Line transformedLine = BH.Engine.Geometry.Create.Line(transform.Origin.PointFromRevit(), transform.BasisX.VectorFromRevit());
line = new BH.oM.Geometry.Line {
Start = transformedLine.PlaneIntersection(startPlane, true), End = transformedLine.PlaneIntersection(endPlane, true)
};
double startExtension = familyInstance.LookupParameterDouble(BuiltInParameter.START_EXTENSION);
if (!double.IsNaN(startExtension))
{
line.Start = line.Start - dir * startExtension;
}
double endExtension = familyInstance.LookupParameterDouble(BuiltInParameter.END_EXTENSION);
if (!double.IsNaN(endExtension))
{
line.End = line.End + dir * endExtension;
}
return(line);
}